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/coffcode.texi File deleted

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Using BFD -consists of making references though the BFD and to data in the BFD. - -Here is the structure that defines the type @code{bfd}. It -contains the major data about the file and pointers -to the rest of the data. - - -@example - -enum bfd_direction - @{ - no_direction = 0, - read_direction = 1, - write_direction = 2, - both_direction = 3 - @}; - -struct bfd -@{ - /* A unique identifier of the BFD */ - unsigned int id; - - /* The filename the application opened the BFD with. */ - const char *filename; - - /* A pointer to the target jump table. */ - const struct bfd_target *xvec; - - /* The IOSTREAM, and corresponding IO vector that provide access - to the file backing the BFD. */ - void *iostream; - const struct bfd_iovec *iovec; - - /* The caching routines use these to maintain a - least-recently-used list of BFDs. */ - struct bfd *lru_prev, *lru_next; - - /* When a file is closed by the caching routines, BFD retains - state information on the file here... */ - ufile_ptr where; - - /* File modified time, if mtime_set is TRUE. */ - long mtime; - - /* Reserved for an unimplemented file locking extension. */ - int ifd; - - /* The format which belongs to the BFD. (object, core, etc.) */ - bfd_format format; - - /* The direction with which the BFD was opened. */ - enum bfd_direction direction; - - /* Format_specific flags. */ - flagword flags; - - /* Values that may appear in the flags field of a BFD. These also - appear in the object_flags field of the bfd_target structure, where - they indicate the set of flags used by that backend (not all flags - are meaningful for all object file formats) (FIXME: at the moment, - the object_flags values have mostly just been copied from backend - to another, and are not necessarily correct). */ - -#define BFD_NO_FLAGS 0x00 - - /* BFD contains relocation entries. */ -#define HAS_RELOC 0x01 - - /* BFD is directly executable. */ -#define EXEC_P 0x02 - - /* BFD has line number information (basically used for F_LNNO in a - COFF header). */ -#define HAS_LINENO 0x04 - - /* BFD has debugging information. */ -#define HAS_DEBUG 0x08 - - /* BFD has symbols. */ -#define HAS_SYMS 0x10 - - /* BFD has local symbols (basically used for F_LSYMS in a COFF - header). */ -#define HAS_LOCALS 0x20 - - /* BFD is a dynamic object. */ -#define DYNAMIC 0x40 - - /* Text section is write protected (if D_PAGED is not set, this is - like an a.out NMAGIC file) (the linker sets this by default, but - clears it for -r or -N). */ -#define WP_TEXT 0x80 - - /* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the - linker sets this by default, but clears it for -r or -n or -N). */ -#define D_PAGED 0x100 - - /* BFD is relaxable (this means that bfd_relax_section may be able to - do something) (sometimes bfd_relax_section can do something even if - this is not set). */ -#define BFD_IS_RELAXABLE 0x200 - - /* This may be set before writing out a BFD to request using a - traditional format. For example, this is used to request that when - writing out an a.out object the symbols not be hashed to eliminate - duplicates. */ -#define BFD_TRADITIONAL_FORMAT 0x400 - - /* This flag indicates that the BFD contents are actually cached - in memory. If this is set, iostream points to a bfd_in_memory - struct. */ -#define BFD_IN_MEMORY 0x800 - - /* The sections in this BFD specify a memory page. */ -#define HAS_LOAD_PAGE 0x1000 - - /* This BFD has been created by the linker and doesn't correspond - to any input file. */ -#define BFD_LINKER_CREATED 0x2000 - - /* This may be set before writing out a BFD to request that it - be written using values for UIDs, GIDs, timestamps, etc. that - will be consistent from run to run. */ -#define BFD_DETERMINISTIC_OUTPUT 0x4000 - - /* Currently my_archive is tested before adding origin to - anything. I believe that this can become always an add of - origin, with origin set to 0 for non archive files. */ - ufile_ptr origin; - - /* The origin in the archive of the proxy entry. This will - normally be the same as origin, except for thin archives, - when it will contain the current offset of the proxy in the - thin archive rather than the offset of the bfd in its actual - container. */ - ufile_ptr proxy_origin; - - /* A hash table for section names. */ - struct bfd_hash_table section_htab; - - /* Pointer to linked list of sections. */ - struct bfd_section *sections; - - /* The last section on the section list. */ - struct bfd_section *section_last; - - /* The number of sections. */ - unsigned int section_count; - - /* Stuff only useful for object files: - The start address. */ - bfd_vma start_address; - - /* Used for input and output. */ - unsigned int symcount; - - /* Symbol table for output BFD (with symcount entries). - Also used by the linker to cache input BFD symbols. */ - struct bfd_symbol **outsymbols; - - /* Used for slurped dynamic symbol tables. */ - unsigned int dynsymcount; - - /* Pointer to structure which contains architecture information. */ - const struct bfd_arch_info *arch_info; - - /* Stuff only useful for archives. */ - void *arelt_data; - struct bfd *my_archive; /* The containing archive BFD. */ - struct bfd *archive_next; /* The next BFD in the archive. */ - struct bfd *archive_head; /* The first BFD in the archive. */ - struct bfd *nested_archives; /* List of nested archive in a flattened - thin archive. */ - - /* A chain of BFD structures involved in a link. */ - struct bfd *link_next; - - /* A field used by _bfd_generic_link_add_archive_symbols. This will - be used only for archive elements. */ - int archive_pass; - - /* Used by the back end to hold private data. */ - union - @{ - struct aout_data_struct *aout_data; - struct artdata *aout_ar_data; - struct _oasys_data *oasys_obj_data; - struct _oasys_ar_data *oasys_ar_data; - struct coff_tdata *coff_obj_data; - struct pe_tdata *pe_obj_data; - struct xcoff_tdata *xcoff_obj_data; - struct ecoff_tdata *ecoff_obj_data; - struct ieee_data_struct *ieee_data; - struct ieee_ar_data_struct *ieee_ar_data; - struct srec_data_struct *srec_data; - struct verilog_data_struct *verilog_data; - struct ihex_data_struct *ihex_data; - struct tekhex_data_struct *tekhex_data; - struct elf_obj_tdata *elf_obj_data; - struct nlm_obj_tdata *nlm_obj_data; - struct bout_data_struct *bout_data; - struct mmo_data_struct *mmo_data; - struct sun_core_struct *sun_core_data; - struct sco5_core_struct *sco5_core_data; - struct trad_core_struct *trad_core_data; - struct som_data_struct *som_data; - struct hpux_core_struct *hpux_core_data; - struct hppabsd_core_struct *hppabsd_core_data; - struct sgi_core_struct *sgi_core_data; - struct lynx_core_struct *lynx_core_data; - struct osf_core_struct *osf_core_data; - struct cisco_core_struct *cisco_core_data; - struct versados_data_struct *versados_data; - struct netbsd_core_struct *netbsd_core_data; - struct mach_o_data_struct *mach_o_data; - struct mach_o_fat_data_struct *mach_o_fat_data; - struct plugin_data_struct *plugin_data; - struct bfd_pef_data_struct *pef_data; - struct bfd_pef_xlib_data_struct *pef_xlib_data; - struct bfd_sym_data_struct *sym_data; - void *any; - @} - tdata; - - /* Used by the application to hold private data. */ - void *usrdata; - - /* Where all the allocated stuff under this BFD goes. This is a - struct objalloc *, but we use void * to avoid requiring the inclusion - of objalloc.h. */ - void *memory; - - /* Is the file descriptor being cached? That is, can it be closed as - needed, and re-opened when accessed later? */ - unsigned int cacheable : 1; - - /* Marks whether there was a default target specified when the - BFD was opened. This is used to select which matching algorithm - to use to choose the back end. */ - unsigned int target_defaulted : 1; - - /* ... and here: (``once'' means at least once). */ - unsigned int opened_once : 1; - - /* Set if we have a locally maintained mtime value, rather than - getting it from the file each time. */ - unsigned int mtime_set : 1; - - /* Flag set if symbols from this BFD should not be exported. */ - unsigned int no_export : 1; - - /* Remember when output has begun, to stop strange things - from happening. */ - unsigned int output_has_begun : 1; - - /* Have archive map. */ - unsigned int has_armap : 1; - - /* Set if this is a thin archive. */ - unsigned int is_thin_archive : 1; -@}; - -@end example -@section Error reporting -Most BFD functions return nonzero on success (check their -individual documentation for precise semantics). On an error, -they call @code{bfd_set_error} to set an error condition that callers -can check by calling @code{bfd_get_error}. -If that returns @code{bfd_error_system_call}, then check -@code{errno}. - -The easiest way to report a BFD error to the user is to -use @code{bfd_perror}. - -@subsection Type @code{bfd_error_type} -The values returned by @code{bfd_get_error} are defined by the -enumerated type @code{bfd_error_type}. - - -@example - -typedef enum bfd_error -@{ - bfd_error_no_error = 0, - bfd_error_system_call, - bfd_error_invalid_target, - bfd_error_wrong_format, - bfd_error_wrong_object_format, - bfd_error_invalid_operation, - bfd_error_no_memory, - bfd_error_no_symbols, - bfd_error_no_armap, - bfd_error_no_more_archived_files, - bfd_error_malformed_archive, - bfd_error_file_not_recognized, - bfd_error_file_ambiguously_recognized, - bfd_error_no_contents, - bfd_error_nonrepresentable_section, - bfd_error_no_debug_section, - bfd_error_bad_value, - bfd_error_file_truncated, - bfd_error_file_too_big, - bfd_error_on_input, - bfd_error_invalid_error_code -@} -bfd_error_type; - -@end example -@findex bfd_get_error -@subsubsection @code{bfd_get_error} -@strong{Synopsis} -@example -bfd_error_type bfd_get_error (void); -@end example -@strong{Description}@* -Return the current BFD error condition. - -@findex bfd_set_error -@subsubsection @code{bfd_set_error} -@strong{Synopsis} -@example -void bfd_set_error (bfd_error_type error_tag, ...); -@end example -@strong{Description}@* -Set the BFD error condition to be @var{error_tag}. -If @var{error_tag} is bfd_error_on_input, then this function -takes two more parameters, the input bfd where the error -occurred, and the bfd_error_type error. - -@findex bfd_errmsg -@subsubsection @code{bfd_errmsg} -@strong{Synopsis} -@example -const char *bfd_errmsg (bfd_error_type error_tag); -@end example -@strong{Description}@* -Return a string describing the error @var{error_tag}, or -the system error if @var{error_tag} is @code{bfd_error_system_call}. - -@findex bfd_perror -@subsubsection @code{bfd_perror} -@strong{Synopsis} -@example -void bfd_perror (const char *message); -@end example -@strong{Description}@* -Print to the standard error stream a string describing the -last BFD error that occurred, or the last system error if -the last BFD error was a system call failure. If @var{message} -is non-NULL and non-empty, the error string printed is preceded -by @var{message}, a colon, and a space. It is followed by a newline. - -@subsection BFD error handler -Some BFD functions want to print messages describing the -problem. They call a BFD error handler function. This -function may be overridden by the program. - -The BFD error handler acts like printf. - - -@example - -typedef void (*bfd_error_handler_type) (const char *, ...); - -@end example -@findex bfd_set_error_handler -@subsubsection @code{bfd_set_error_handler} -@strong{Synopsis} -@example -bfd_error_handler_type bfd_set_error_handler (bfd_error_handler_type); -@end example -@strong{Description}@* -Set the BFD error handler function. Returns the previous -function. - -@findex bfd_set_error_program_name -@subsubsection @code{bfd_set_error_program_name} -@strong{Synopsis} -@example -void bfd_set_error_program_name (const char *); -@end example -@strong{Description}@* -Set the program name to use when printing a BFD error. This -is printed before the error message followed by a colon and -space. The string must not be changed after it is passed to -this function. - -@findex bfd_get_error_handler -@subsubsection @code{bfd_get_error_handler} -@strong{Synopsis} -@example -bfd_error_handler_type bfd_get_error_handler (void); -@end example -@strong{Description}@* -Return the BFD error handler function. - -@section Miscellaneous - - -@subsection Miscellaneous functions - - -@findex bfd_get_reloc_upper_bound -@subsubsection @code{bfd_get_reloc_upper_bound} -@strong{Synopsis} -@example -long bfd_get_reloc_upper_bound (bfd *abfd, asection *sect); -@end example -@strong{Description}@* -Return the number of bytes required to store the -relocation information associated with section @var{sect} -attached to bfd @var{abfd}. If an error occurs, return -1. - -@findex bfd_canonicalize_reloc -@subsubsection @code{bfd_canonicalize_reloc} -@strong{Synopsis} -@example -long bfd_canonicalize_reloc - (bfd *abfd, asection *sec, arelent **loc, asymbol **syms); -@end example -@strong{Description}@* -Call the back end associated with the open BFD -@var{abfd} and translate the external form of the relocation -information attached to @var{sec} into the internal canonical -form. Place the table into memory at @var{loc}, which has -been preallocated, usually by a call to -@code{bfd_get_reloc_upper_bound}. Returns the number of relocs, or --1 on error. - -The @var{syms} table is also needed for horrible internal magic -reasons. - -@findex bfd_set_reloc -@subsubsection @code{bfd_set_reloc} -@strong{Synopsis} -@example -void bfd_set_reloc - (bfd *abfd, asection *sec, arelent **rel, unsigned int count); -@end example -@strong{Description}@* -Set the relocation pointer and count within -section @var{sec} to the values @var{rel} and @var{count}. -The argument @var{abfd} is ignored. - -@findex bfd_set_file_flags -@subsubsection @code{bfd_set_file_flags} -@strong{Synopsis} -@example -bfd_boolean bfd_set_file_flags (bfd *abfd, flagword flags); -@end example -@strong{Description}@* -Set the flag word in the BFD @var{abfd} to the value @var{flags}. - -Possible errors are: -@itemize @bullet - -@item -@code{bfd_error_wrong_format} - The target bfd was not of object format. -@item -@code{bfd_error_invalid_operation} - The target bfd was open for reading. -@item -@code{bfd_error_invalid_operation} - -The flag word contained a bit which was not applicable to the -type of file. E.g., an attempt was made to set the @code{D_PAGED} bit -on a BFD format which does not support demand paging. -@end itemize - -@findex bfd_get_arch_size -@subsubsection @code{bfd_get_arch_size} -@strong{Synopsis} -@example -int bfd_get_arch_size (bfd *abfd); -@end example -@strong{Description}@* -Returns the architecture address size, in bits, as determined -by the object file's format. For ELF, this information is -included in the header. - -@strong{Returns}@* -Returns the arch size in bits if known, @code{-1} otherwise. - -@findex bfd_get_sign_extend_vma -@subsubsection @code{bfd_get_sign_extend_vma} -@strong{Synopsis} -@example -int bfd_get_sign_extend_vma (bfd *abfd); -@end example -@strong{Description}@* -Indicates if the target architecture "naturally" sign extends -an address. Some architectures implicitly sign extend address -values when they are converted to types larger than the size -of an address. For instance, bfd_get_start_address() will -return an address sign extended to fill a bfd_vma when this is -the case. - -@strong{Returns}@* -Returns @code{1} if the target architecture is known to sign -extend addresses, @code{0} if the target architecture is known to -not sign extend addresses, and @code{-1} otherwise. - -@findex bfd_set_start_address -@subsubsection @code{bfd_set_start_address} -@strong{Synopsis} -@example -bfd_boolean bfd_set_start_address (bfd *abfd, bfd_vma vma); -@end example -@strong{Description}@* -Make @var{vma} the entry point of output BFD @var{abfd}. - -@strong{Returns}@* -Returns @code{TRUE} on success, @code{FALSE} otherwise. - -@findex bfd_get_gp_size -@subsubsection @code{bfd_get_gp_size} -@strong{Synopsis} -@example -unsigned int bfd_get_gp_size (bfd *abfd); -@end example -@strong{Description}@* -Return the maximum size of objects to be optimized using the GP -register under MIPS ECOFF. This is typically set by the @code{-G} -argument to the compiler, assembler or linker. - -@findex bfd_set_gp_size -@subsubsection @code{bfd_set_gp_size} -@strong{Synopsis} -@example -void bfd_set_gp_size (bfd *abfd, unsigned int i); -@end example -@strong{Description}@* -Set the maximum size of objects to be optimized using the GP -register under ECOFF or MIPS ELF. This is typically set by -the @code{-G} argument to the compiler, assembler or linker. - -@findex bfd_scan_vma -@subsubsection @code{bfd_scan_vma} -@strong{Synopsis} -@example -bfd_vma bfd_scan_vma (const char *string, const char **end, int base); -@end example -@strong{Description}@* -Convert, like @code{strtoul}, a numerical expression -@var{string} into a @code{bfd_vma} integer, and return that integer. -(Though without as many bells and whistles as @code{strtoul}.) -The expression is assumed to be unsigned (i.e., positive). -If given a @var{base}, it is used as the base for conversion. -A base of 0 causes the function to interpret the string -in hex if a leading "0x" or "0X" is found, otherwise -in octal if a leading zero is found, otherwise in decimal. - -If the value would overflow, the maximum @code{bfd_vma} value is -returned. - -@findex bfd_copy_private_header_data -@subsubsection @code{bfd_copy_private_header_data} -@strong{Synopsis} -@example -bfd_boolean bfd_copy_private_header_data (bfd *ibfd, bfd *obfd); -@end example -@strong{Description}@* -Copy private BFD header information from the BFD @var{ibfd} to the -the BFD @var{obfd}. This copies information that may require -sections to exist, but does not require symbol tables. Return -@code{true} on success, @code{false} on error. -Possible error returns are: - -@itemize @bullet - -@item -@code{bfd_error_no_memory} - -Not enough memory exists to create private data for @var{obfd}. -@end itemize -@example -#define bfd_copy_private_header_data(ibfd, obfd) \ - BFD_SEND (obfd, _bfd_copy_private_header_data, \ - (ibfd, obfd)) -@end example - -@findex bfd_copy_private_bfd_data -@subsubsection @code{bfd_copy_private_bfd_data} -@strong{Synopsis} -@example -bfd_boolean bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd); -@end example -@strong{Description}@* -Copy private BFD information from the BFD @var{ibfd} to the -the BFD @var{obfd}. Return @code{TRUE} on success, @code{FALSE} on error. -Possible error returns are: - -@itemize @bullet - -@item -@code{bfd_error_no_memory} - -Not enough memory exists to create private data for @var{obfd}. -@end itemize -@example -#define bfd_copy_private_bfd_data(ibfd, obfd) \ - BFD_SEND (obfd, _bfd_copy_private_bfd_data, \ - (ibfd, obfd)) -@end example - -@findex bfd_merge_private_bfd_data -@subsubsection @code{bfd_merge_private_bfd_data} -@strong{Synopsis} -@example -bfd_boolean bfd_merge_private_bfd_data (bfd *ibfd, bfd *obfd); -@end example -@strong{Description}@* -Merge private BFD information from the BFD @var{ibfd} to the -the output file BFD @var{obfd} when linking. Return @code{TRUE} -on success, @code{FALSE} on error. Possible error returns are: - -@itemize @bullet - -@item -@code{bfd_error_no_memory} - -Not enough memory exists to create private data for @var{obfd}. -@end itemize -@example -#define bfd_merge_private_bfd_data(ibfd, obfd) \ - BFD_SEND (obfd, _bfd_merge_private_bfd_data, \ - (ibfd, obfd)) -@end example - -@findex bfd_set_private_flags -@subsubsection @code{bfd_set_private_flags} -@strong{Synopsis} -@example -bfd_boolean bfd_set_private_flags (bfd *abfd, flagword flags); -@end example -@strong{Description}@* -Set private BFD flag information in the BFD @var{abfd}. -Return @code{TRUE} on success, @code{FALSE} on error. Possible error -returns are: - -@itemize @bullet - -@item -@code{bfd_error_no_memory} - -Not enough memory exists to create private data for @var{obfd}. -@end itemize -@example -#define bfd_set_private_flags(abfd, flags) \ - BFD_SEND (abfd, _bfd_set_private_flags, (abfd, flags)) -@end example - -@findex Other functions -@subsubsection @code{Other functions} -@strong{Description}@* -The following functions exist but have not yet been documented. -@example -#define bfd_sizeof_headers(abfd, info) \ - BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, info)) - -#define bfd_find_nearest_line(abfd, sec, syms, off, file, func, line) \ - BFD_SEND (abfd, _bfd_find_nearest_line, \ - (abfd, sec, syms, off, file, func, line)) - -#define bfd_find_line(abfd, syms, sym, file, line) \ - BFD_SEND (abfd, _bfd_find_line, \ - (abfd, syms, sym, file, line)) - -#define bfd_find_inliner_info(abfd, file, func, line) \ - BFD_SEND (abfd, _bfd_find_inliner_info, \ - (abfd, file, func, line)) - -#define bfd_debug_info_start(abfd) \ - BFD_SEND (abfd, _bfd_debug_info_start, (abfd)) - -#define bfd_debug_info_end(abfd) \ - BFD_SEND (abfd, _bfd_debug_info_end, (abfd)) - -#define bfd_debug_info_accumulate(abfd, section) \ - BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section)) - -#define bfd_stat_arch_elt(abfd, stat) \ - BFD_SEND (abfd, _bfd_stat_arch_elt,(abfd, stat)) - -#define bfd_update_armap_timestamp(abfd) \ - BFD_SEND (abfd, _bfd_update_armap_timestamp, (abfd)) - -#define bfd_set_arch_mach(abfd, arch, mach)\ - BFD_SEND ( abfd, _bfd_set_arch_mach, (abfd, arch, mach)) - -#define bfd_relax_section(abfd, section, link_info, again) \ - BFD_SEND (abfd, _bfd_relax_section, (abfd, section, link_info, again)) - -#define bfd_gc_sections(abfd, link_info) \ - BFD_SEND (abfd, _bfd_gc_sections, (abfd, link_info)) - -#define bfd_merge_sections(abfd, link_info) \ - BFD_SEND (abfd, _bfd_merge_sections, (abfd, link_info)) - -#define bfd_is_group_section(abfd, sec) \ - BFD_SEND (abfd, _bfd_is_group_section, (abfd, sec)) - -#define bfd_discard_group(abfd, sec) \ - BFD_SEND (abfd, _bfd_discard_group, (abfd, sec)) - -#define bfd_link_hash_table_create(abfd) \ - BFD_SEND (abfd, _bfd_link_hash_table_create, (abfd)) - -#define bfd_link_hash_table_free(abfd, hash) \ - BFD_SEND (abfd, _bfd_link_hash_table_free, (hash)) - -#define bfd_link_add_symbols(abfd, info) \ - BFD_SEND (abfd, _bfd_link_add_symbols, (abfd, info)) - -#define bfd_link_just_syms(abfd, sec, info) \ - BFD_SEND (abfd, _bfd_link_just_syms, (sec, info)) - -#define bfd_final_link(abfd, info) \ - BFD_SEND (abfd, _bfd_final_link, (abfd, info)) - -#define bfd_free_cached_info(abfd) \ - BFD_SEND (abfd, _bfd_free_cached_info, (abfd)) - -#define bfd_get_dynamic_symtab_upper_bound(abfd) \ - BFD_SEND (abfd, _bfd_get_dynamic_symtab_upper_bound, (abfd)) - -#define bfd_print_private_bfd_data(abfd, file)\ - BFD_SEND (abfd, _bfd_print_private_bfd_data, (abfd, file)) - -#define bfd_canonicalize_dynamic_symtab(abfd, asymbols) \ - BFD_SEND (abfd, _bfd_canonicalize_dynamic_symtab, (abfd, asymbols)) - -#define bfd_get_synthetic_symtab(abfd, count, syms, dyncount, dynsyms, ret) \ - BFD_SEND (abfd, _bfd_get_synthetic_symtab, (abfd, count, syms, \ - dyncount, dynsyms, ret)) - -#define bfd_get_dynamic_reloc_upper_bound(abfd) \ - BFD_SEND (abfd, _bfd_get_dynamic_reloc_upper_bound, (abfd)) - -#define bfd_canonicalize_dynamic_reloc(abfd, arels, asyms) \ - BFD_SEND (abfd, _bfd_canonicalize_dynamic_reloc, (abfd, arels, asyms)) - -extern bfd_byte *bfd_get_relocated_section_contents - (bfd *, struct bfd_link_info *, struct bfd_link_order *, bfd_byte *, - bfd_boolean, asymbol **); - -@end example - -@findex bfd_alt_mach_code -@subsubsection @code{bfd_alt_mach_code} -@strong{Synopsis} -@example -bfd_boolean bfd_alt_mach_code (bfd *abfd, int alternative); -@end example -@strong{Description}@* -When more than one machine code number is available for the -same machine type, this function can be used to switch between -the preferred one (alternative == 0) and any others. Currently, -only ELF supports this feature, with up to two alternate -machine codes. - - -@example -struct bfd_preserve -@{ - void *marker; - void *tdata; - flagword flags; - const struct bfd_arch_info *arch_info; - struct bfd_section *sections; - struct bfd_section *section_last; - unsigned int section_count; - struct bfd_hash_table section_htab; -@}; - -@end example -@findex bfd_preserve_save -@subsubsection @code{bfd_preserve_save} -@strong{Synopsis} -@example -bfd_boolean bfd_preserve_save (bfd *, struct bfd_preserve *); -@end example -@strong{Description}@* -When testing an object for compatibility with a particular -target back-end, the back-end object_p function needs to set -up certain fields in the bfd on successfully recognizing the -object. This typically happens in a piecemeal fashion, with -failures possible at many points. On failure, the bfd is -supposed to be restored to its initial state, which is -virtually impossible. However, restoring a subset of the bfd -state works in practice. This function stores the subset and -reinitializes the bfd. - -@findex bfd_preserve_restore -@subsubsection @code{bfd_preserve_restore} -@strong{Synopsis} -@example -void bfd_preserve_restore (bfd *, struct bfd_preserve *); -@end example -@strong{Description}@* -This function restores bfd state saved by bfd_preserve_save. -If MARKER is non-NULL in struct bfd_preserve then that block -and all subsequently bfd_alloc'd memory is freed. - -@findex bfd_preserve_finish -@subsubsection @code{bfd_preserve_finish} -@strong{Synopsis} -@example -void bfd_preserve_finish (bfd *, struct bfd_preserve *); -@end example -@strong{Description}@* -This function should be called when the bfd state saved by -bfd_preserve_save is no longer needed. ie. when the back-end -object_p function returns with success. - -@findex bfd_emul_get_maxpagesize -@subsubsection @code{bfd_emul_get_maxpagesize} -@strong{Synopsis} -@example -bfd_vma bfd_emul_get_maxpagesize (const char *); -@end example -@strong{Description}@* -Returns the maximum page size, in bytes, as determined by -emulation. - -@strong{Returns}@* -Returns the maximum page size in bytes for ELF, 0 otherwise. - -@findex bfd_emul_set_maxpagesize -@subsubsection @code{bfd_emul_set_maxpagesize} -@strong{Synopsis} -@example -void bfd_emul_set_maxpagesize (const char *, bfd_vma); -@end example -@strong{Description}@* -For ELF, set the maximum page size for the emulation. It is -a no-op for other formats. - -@findex bfd_emul_get_commonpagesize -@subsubsection @code{bfd_emul_get_commonpagesize} -@strong{Synopsis} -@example -bfd_vma bfd_emul_get_commonpagesize (const char *); -@end example -@strong{Description}@* -Returns the common page size, in bytes, as determined by -emulation. - -@strong{Returns}@* -Returns the common page size in bytes for ELF, 0 otherwise. - -@findex bfd_emul_set_commonpagesize -@subsubsection @code{bfd_emul_set_commonpagesize} -@strong{Synopsis} -@example -void bfd_emul_set_commonpagesize (const char *, bfd_vma); -@end example -@strong{Description}@* -For ELF, set the common page size for the emulation. It is -a no-op for other formats. - -@findex bfd_demangle -@subsubsection @code{bfd_demangle} -@strong{Synopsis} -@example -char *bfd_demangle (bfd *, const char *, int); -@end example -@strong{Description}@* -Wrapper around cplus_demangle. Strips leading underscores and -other such chars that would otherwise confuse the demangler. -If passed a g++ v3 ABI mangled name, returns a buffer allocated -with malloc holding the demangled name. Returns NULL otherwise -and on memory alloc failure. -

bfdt.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: bfdio.texi =================================================================== --- bfdio.texi (revision 816) +++ bfdio.texi (nonexistent) @@ -1,85 +0,0 @@ -@findex struct bfd_iovec -@subsubsection @code{struct bfd_iovec} -@strong{Description}@* -The @code{struct bfd_iovec} contains the internal file I/O class. -Each @code{BFD} has an instance of this class and all file I/O is -routed through it (it is assumed that the instance implements -all methods listed below). -@example -struct bfd_iovec -@{ - /* To avoid problems with macros, a "b" rather than "f" - prefix is prepended to each method name. */ - /* Attempt to read/write NBYTES on ABFD's IOSTREAM storing/fetching - bytes starting at PTR. Return the number of bytes actually - transfered (a read past end-of-file returns less than NBYTES), - or -1 (setting @code{bfd_error}) if an error occurs. */ - file_ptr (*bread) (struct bfd *abfd, void *ptr, file_ptr nbytes); - file_ptr (*bwrite) (struct bfd *abfd, const void *ptr, - file_ptr nbytes); - /* Return the current IOSTREAM file offset, or -1 (setting @code{bfd_error} - if an error occurs. */ - file_ptr (*btell) (struct bfd *abfd); - /* For the following, on successful completion a value of 0 is returned. - Otherwise, a value of -1 is returned (and @code{bfd_error} is set). */ - int (*bseek) (struct bfd *abfd, file_ptr offset, int whence); - int (*bclose) (struct bfd *abfd); - int (*bflush) (struct bfd *abfd); - int (*bstat) (struct bfd *abfd, struct stat *sb); - /* Just like mmap: (void*)-1 on failure, mmapped address on success. */ - void *(*bmmap) (struct bfd *abfd, void *addr, bfd_size_type len, - int prot, int flags, file_ptr offset); -@}; -@end example - -@findex bfd_get_mtime -@subsubsection @code{bfd_get_mtime} -@strong{Synopsis} -@example -long bfd_get_mtime (bfd *abfd); -@end example -@strong{Description}@* -Return the file modification time (as read from the file system, or -from the archive header for archive members). - -@findex bfd_get_size -@subsubsection @code{bfd_get_size} -@strong{Synopsis} -@example -file_ptr bfd_get_size (bfd *abfd); -@end example -@strong{Description}@* -Return the file size (as read from file system) for the file -associated with BFD @var{abfd}. - -The initial motivation for, and use of, this routine is not -so we can get the exact size of the object the BFD applies to, since -that might not be generally possible (archive members for example). -It would be ideal if someone could eventually modify -it so that such results were guaranteed. - -Instead, we want to ask questions like "is this NNN byte sized -object I'm about to try read from file offset YYY reasonable?" -As as example of where we might do this, some object formats -use string tables for which the first @code{sizeof (long)} bytes of the -table contain the size of the table itself, including the size bytes. -If an application tries to read what it thinks is one of these -string tables, without some way to validate the size, and for -some reason the size is wrong (byte swapping error, wrong location -for the string table, etc.), the only clue is likely to be a read -error when it tries to read the table, or a "virtual memory -exhausted" error when it tries to allocate 15 bazillon bytes -of space for the 15 bazillon byte table it is about to read. -This function at least allows us to answer the question, "is the -size reasonable?". - -@findex bfd_mmap -@subsubsection @code{bfd_mmap} -@strong{Synopsis} -@example -void *bfd_mmap (bfd *abfd, void *addr, bfd_size_type len, - int prot, int flags, file_ptr offset); -@end example -@strong{Description}@* -Return mmap()ed region of the file, if possible and implemented. -

bfdio.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: bfd.texinfo =================================================================== --- bfd.texinfo (revision 816) +++ bfd.texinfo (nonexistent) @@ -1,340 +0,0 @@ -\input texinfo.tex -@setfilename bfd.info -@c Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1997, 2000, -@c 2001, 2002, 2003, 2006, 2007, 2008, 2009 -@c Free Software Foundation, Inc. -@c -@synindex fn cp - -@ifinfo -@format -START-INFO-DIR-ENTRY -* Bfd: (bfd). The Binary File Descriptor library. -END-INFO-DIR-ENTRY -@end format -@end ifinfo - -@copying -This file documents the BFD library. - -Copyright @copyright{} 1991, 2000, 2001, 2003, 2006, 2007, 2008 Free Software Foundation, Inc. - -Permission is granted to copy, distribute and/or modify this document -under the terms of the GNU Free Documentation License, Version 1.3 or -any later version published by the Free Software Foundation; with the -Invariant Sections being ``GNU General Public License'' and ``Funding -Free Software'', the Front-Cover texts being (a) (see below), and with -the Back-Cover Texts being (b) (see below). A copy of the license is -included in the section entitled ``GNU Free Documentation License''. - -(a) The FSF's Front-Cover Text is: - - A GNU Manual - -(b) The FSF's Back-Cover Text is: - - You have freedom to copy and modify this GNU Manual, like GNU - software. Copies published by the Free Software Foundation raise - funds for GNU development. -@end copying -@iftex -@c@finalout -@setchapternewpage on -@c@setchapternewpage odd -@settitle LIB BFD, the Binary File Descriptor Library -@titlepage -@title{libbfd} -@subtitle{The Binary File Descriptor Library} -@sp 1 -@subtitle First Edition---BFD version < 3.0 % Since no product is stable before version 3.0 :-) -@subtitle Original Document Created: April 1991 -@author {Steve Chamberlain} -@author {Cygnus Support} -@page - -@tex -\def\$#1${{#1}} % Kluge: collect RCS revision info without $...$ -\xdef\manvers{1.5} % For use in headers, footers too -{\parskip=0pt -\hfill Free Software Foundation\par -\hfill sac\@www.gnu.org\par -\hfill {\it BFD}, \manvers\par -\hfill \TeX{}info \texinfoversion\par -} -\global\parindent=0pt % Steve likes it this way -@end tex - -@vskip 0pt plus 1filll -Copyright @copyright{} 1991, 2001, 2003, 2006, 2008 Free Software Foundation, Inc. - - Permission is granted to copy, distribute and/or modify this document - under the terms of the GNU Free Documentation License, Version 1.3 - or any later version published by the Free Software Foundation; - with no Invariant Sections, with no Front-Cover Texts, and with no - Back-Cover Texts. A copy of the license is included in the - section entitled ``GNU Free Documentation License''. - -@end titlepage -@end iftex -@contents - -@node Top, Overview, (dir), (dir) -@ifinfo -This file documents the binary file descriptor library libbfd. -@end ifinfo - -@menu -* Overview:: Overview of BFD -* BFD front end:: BFD front end -* BFD back ends:: BFD back ends -* GNU Free Documentation License:: GNU Free Documentation License -* BFD Index:: BFD Index -@end menu - -@node Overview, BFD front end, Top, Top -@chapter Introduction -@cindex BFD -@cindex what is it? -BFD is a package which allows applications to use the -same routines to operate on object files whatever the object file -format. A new object file format can be supported simply by -creating a new BFD back end and adding it to the library. - -BFD is split into two parts: the front end, and the back ends (one for -each object file format). -@itemize @bullet -@item The front end of BFD provides the interface to the user. It manages -memory and various canonical data structures. The front end also -decides which back end to use and when to call back end routines. -@item The back ends provide BFD its view of the real world. Each back -end provides a set of calls which the BFD front end can use to maintain -its canonical form. The back ends also may keep around information for -their own use, for greater efficiency. -@end itemize -@menu -* History:: History -* How It Works:: How It Works -* What BFD Version 2 Can Do:: What BFD Version 2 Can Do -@end menu - -@node History, How It Works, Overview, Overview -@section History - -One spur behind BFD was the desire, on the part of the GNU 960 team at -Intel Oregon, for interoperability of applications on their COFF and -b.out file formats. Cygnus was providing GNU support for the team, and -was contracted to provide the required functionality. - -The name came from a conversation David Wallace was having with Richard -Stallman about the library: RMS said that it would be quite hard---David -said ``BFD''. Stallman was right, but the name stuck. - -At the same time, Ready Systems wanted much the same thing, but for -different object file formats: IEEE-695, Oasys, Srecords, a.out and 68k -coff. - -BFD was first implemented by members of Cygnus Support; Steve -Chamberlain (@code{sac@@cygnus.com}), John Gilmore -(@code{gnu@@cygnus.com}), K. Richard Pixley (@code{rich@@cygnus.com}) -and David Henkel-Wallace (@code{gumby@@cygnus.com}). - - - -@node How It Works, What BFD Version 2 Can Do, History, Overview -@section How To Use BFD - -To use the library, include @file{bfd.h} and link with @file{libbfd.a}. - -BFD provides a common interface to the parts of an object file -for a calling application. - -When an application successfully opens a target file (object, archive, or -whatever), a pointer to an internal structure is returned. This pointer -points to a structure called @code{bfd}, described in -@file{bfd.h}. Our convention is to call this pointer a BFD, and -instances of it within code @code{abfd}. All operations on -the target object file are applied as methods to the BFD. The mapping is -defined within @code{bfd.h} in a set of macros, all beginning -with @samp{bfd_} to reduce namespace pollution. - -For example, this sequence does what you would probably expect: -return the number of sections in an object file attached to a BFD -@code{abfd}. - -@example -@c @cartouche -#include "bfd.h" - -unsigned int number_of_sections (abfd) -bfd *abfd; -@{ - return bfd_count_sections (abfd); -@} -@c @end cartouche -@end example - -The abstraction used within BFD is that an object file has: - -@itemize @bullet -@item -a header, -@item -a number of sections containing raw data (@pxref{Sections}), -@item -a set of relocations (@pxref{Relocations}), and -@item -some symbol information (@pxref{Symbols}). -@end itemize -@noindent -Also, BFDs opened for archives have the additional attribute of an index -and contain subordinate BFDs. This approach is fine for a.out and coff, -but loses efficiency when applied to formats such as S-records and -IEEE-695. - -@node What BFD Version 2 Can Do, , How It Works, Overview -@section What BFD Version 2 Can Do -@include bfdsumm.texi - -@node BFD front end, BFD back ends, Overview, Top -@chapter BFD Front End -@include bfdt.texi -@include bfdio.texi - -@menu -* Memory Usage:: -* Initialization:: -* Sections:: -* Symbols:: -* Archives:: -* Formats:: -* Relocations:: -* Core Files:: -* Targets:: -* Architectures:: -* Opening and Closing:: -* Internal:: -* File Caching:: -* Linker Functions:: -* Hash Tables:: -@end menu - -@node Memory Usage, Initialization, BFD front end, BFD front end -@section Memory Usage -BFD keeps all of its internal structures in obstacks. There is one obstack -per open BFD file, into which the current state is stored. When a BFD is -closed, the obstack is deleted, and so everything which has been -allocated by BFD for the closing file is thrown away. - -BFD does not free anything created by an application, but pointers into -@code{bfd} structures become invalid on a @code{bfd_close}; for example, -after a @code{bfd_close} the vector passed to -@code{bfd_canonicalize_symtab} is still around, since it has been -allocated by the application, but the data that it pointed to are -lost. - -The general rule is to not close a BFD until all operations dependent -upon data from the BFD have been completed, or all the data from within -the file has been copied. To help with the management of memory, there -is a function (@code{bfd_alloc_size}) which returns the number of bytes -in obstacks associated with the supplied BFD. This could be used to -select the greediest open BFD, close it to reclaim the memory, perform -some operation and reopen the BFD again, to get a fresh copy of the data -structures. - -@node Initialization, Sections, Memory Usage, BFD front end -@include init.texi - -@node Sections, Symbols, Initialization, BFD front end -@include section.texi - -@node Symbols, Archives, Sections, BFD front end -@include syms.texi - -@node Archives, Formats, Symbols, BFD front end -@include archive.texi - -@node Formats, Relocations, Archives, BFD front end -@include format.texi - -@node Relocations, Core Files, Formats, BFD front end -@include reloc.texi - -@node Core Files, Targets, Relocations, BFD front end -@include core.texi - -@node Targets, Architectures, Core Files, BFD front end -@include targets.texi - -@node Architectures, Opening and Closing, Targets, BFD front end -@include archures.texi - -@node Opening and Closing, Internal, Architectures, BFD front end -@include opncls.texi - -@node Internal, File Caching, Opening and Closing, BFD front end -@include libbfd.texi - -@node File Caching, Linker Functions, Internal, BFD front end -@include cache.texi - -@node Linker Functions, Hash Tables, File Caching, BFD front end -@include linker.texi - -@node Hash Tables, , Linker Functions, BFD front end -@include hash.texi - -@node BFD back ends, GNU Free Documentation License, BFD front end, Top -@chapter BFD back ends -@menu -* What to Put Where:: -* aout :: a.out backends -* coff :: coff backends -* elf :: elf backends -* mmo :: mmo backend -@ignore -* oasys :: oasys backends -* ieee :: ieee backend -* srecord :: s-record backend -@end ignore -@end menu -@node What to Put Where, aout, BFD back ends, BFD back ends -@section What to Put Where -All of BFD lives in one directory. - -@node aout, coff, What to Put Where, BFD back ends -@include aoutx.texi - -@node coff, elf, aout, BFD back ends -@include coffcode.texi - -@node elf, mmo, coff, BFD back ends -@include elf.texi -@c Leave this out until the file has some actual contents... -@c @include elfcode.texi - -@node mmo, , elf, BFD back ends -@include mmo.texi - -@node GNU Free Documentation License, BFD Index, BFD back ends, Top -@include fdl.texi - -@node BFD Index, , GNU Free Documentation License, Top -@unnumbered BFD Index -@printindex cp - -@tex -% I think something like @colophon should be in texinfo. In the -% meantime: -\long\def\colophon{\hbox to0pt{}\vfill -\centerline{The body of this manual is set in} -\centerline{\fontname\tenrm,} -\centerline{with headings in {\bf\fontname\tenbf}} -\centerline{and examples in {\tt\fontname\tentt}.} -\centerline{{\it\fontname\tenit\/} and} -\centerline{{\sl\fontname\tensl\/}} -\centerline{are used for emphasis.}\vfill} -\page\colophon -% Blame: doc@cygnus.com, 28mar91. -@end tex - -@bye Index: reloc.texi =================================================================== --- reloc.texi (revision 816) +++ reloc.texi (nonexistent) @@ -1,2813 +0,0 @@ -@section Relocations -BFD maintains relocations in much the same way it maintains -symbols: they are left alone until required, then read in -en-masse and translated into an internal form. A common -routine @code{bfd_perform_relocation} acts upon the -canonical form to do the fixup. - -Relocations are maintained on a per section basis, -while symbols are maintained on a per BFD basis. - -All that a back end has to do to fit the BFD interface is to create -a @code{struct reloc_cache_entry} for each relocation -in a particular section, and fill in the right bits of the structures. - -@menu -* typedef arelent:: -* howto manager:: -@end menu - - -@node typedef arelent, howto manager, Relocations, Relocations -@subsection typedef arelent -This is the structure of a relocation entry: - - -@example - -typedef enum bfd_reloc_status -@{ - /* No errors detected. */ - bfd_reloc_ok, - - /* The relocation was performed, but there was an overflow. */ - bfd_reloc_overflow, - - /* The address to relocate was not within the section supplied. */ - bfd_reloc_outofrange, - - /* Used by special functions. */ - bfd_reloc_continue, - - /* Unsupported relocation size requested. */ - bfd_reloc_notsupported, - - /* Unused. */ - bfd_reloc_other, - - /* The symbol to relocate against was undefined. */ - bfd_reloc_undefined, - - /* The relocation was performed, but may not be ok - presently - generated only when linking i960 coff files with i960 b.out - symbols. If this type is returned, the error_message argument - to bfd_perform_relocation will be set. */ - bfd_reloc_dangerous - @} - bfd_reloc_status_type; - - -typedef struct reloc_cache_entry -@{ - /* A pointer into the canonical table of pointers. */ - struct bfd_symbol **sym_ptr_ptr; - - /* offset in section. */ - bfd_size_type address; - - /* addend for relocation value. */ - bfd_vma addend; - - /* Pointer to how to perform the required relocation. */ - reloc_howto_type *howto; - -@} -arelent; - -@end example -@strong{Description}@* -Here is a description of each of the fields within an @code{arelent}: - -@itemize @bullet - -@item -@code{sym_ptr_ptr} -@end itemize -The symbol table pointer points to a pointer to the symbol -associated with the relocation request. It is the pointer -into the table returned by the back end's -@code{canonicalize_symtab} action. @xref{Symbols}. The symbol is -referenced through a pointer to a pointer so that tools like -the linker can fix up all the symbols of the same name by -modifying only one pointer. The relocation routine looks in -the symbol and uses the base of the section the symbol is -attached to and the value of the symbol as the initial -relocation offset. If the symbol pointer is zero, then the -section provided is looked up. - -@itemize @bullet - -@item -@code{address} -@end itemize -The @code{address} field gives the offset in bytes from the base of -the section data which owns the relocation record to the first -byte of relocatable information. The actual data relocated -will be relative to this point; for example, a relocation -type which modifies the bottom two bytes of a four byte word -would not touch the first byte pointed to in a big endian -world. - -@itemize @bullet - -@item -@code{addend} -@end itemize -The @code{addend} is a value provided by the back end to be added (!) -to the relocation offset. Its interpretation is dependent upon -the howto. For example, on the 68k the code: - -@example - char foo[]; - main() - @{ - return foo[0x12345678]; - @} -@end example - -Could be compiled into: - -@example - linkw fp,#-4 - moveb @@#12345678,d0 - extbl d0 - unlk fp - rts -@end example - -This could create a reloc pointing to @code{foo}, but leave the -offset in the data, something like: - -@example -RELOCATION RECORDS FOR [.text]: -offset type value -00000006 32 _foo - -00000000 4e56 fffc ; linkw fp,#-4 -00000004 1039 1234 5678 ; moveb @@#12345678,d0 -0000000a 49c0 ; extbl d0 -0000000c 4e5e ; unlk fp -0000000e 4e75 ; rts -@end example - -Using coff and an 88k, some instructions don't have enough -space in them to represent the full address range, and -pointers have to be loaded in two parts. So you'd get something like: - -@example - or.u r13,r0,hi16(_foo+0x12345678) - ld.b r2,r13,lo16(_foo+0x12345678) - jmp r1 -@end example - -This should create two relocs, both pointing to @code{_foo}, and with -0x12340000 in their addend field. The data would consist of: - -@example -RELOCATION RECORDS FOR [.text]: -offset type value -00000002 HVRT16 _foo+0x12340000 -00000006 LVRT16 _foo+0x12340000 - -00000000 5da05678 ; or.u r13,r0,0x5678 -00000004 1c4d5678 ; ld.b r2,r13,0x5678 -00000008 f400c001 ; jmp r1 -@end example - -The relocation routine digs out the value from the data, adds -it to the addend to get the original offset, and then adds the -value of @code{_foo}. Note that all 32 bits have to be kept around -somewhere, to cope with carry from bit 15 to bit 16. - -One further example is the sparc and the a.out format. The -sparc has a similar problem to the 88k, in that some -instructions don't have room for an entire offset, but on the -sparc the parts are created in odd sized lumps. The designers of -the a.out format chose to not use the data within the section -for storing part of the offset; all the offset is kept within -the reloc. Anything in the data should be ignored. - -@example - save %sp,-112,%sp - sethi %hi(_foo+0x12345678),%g2 - ldsb [%g2+%lo(_foo+0x12345678)],%i0 - ret - restore -@end example - -Both relocs contain a pointer to @code{foo}, and the offsets -contain junk. - -@example -RELOCATION RECORDS FOR [.text]: -offset type value -00000004 HI22 _foo+0x12345678 -00000008 LO10 _foo+0x12345678 - -00000000 9de3bf90 ; save %sp,-112,%sp -00000004 05000000 ; sethi %hi(_foo+0),%g2 -00000008 f048a000 ; ldsb [%g2+%lo(_foo+0)],%i0 -0000000c 81c7e008 ; ret -00000010 81e80000 ; restore -@end example - -@itemize @bullet - -@item -@code{howto} -@end itemize -The @code{howto} field can be imagined as a -relocation instruction. It is a pointer to a structure which -contains information on what to do with all of the other -information in the reloc record and data section. A back end -would normally have a relocation instruction set and turn -relocations into pointers to the correct structure on input - -but it would be possible to create each howto field on demand. - -@subsubsection @code{enum complain_overflow} -Indicates what sort of overflow checking should be done when -performing a relocation. - - -@example - -enum complain_overflow -@{ - /* Do not complain on overflow. */ - complain_overflow_dont, - - /* Complain if the value overflows when considered as a signed - number one bit larger than the field. ie. A bitfield of N bits - is allowed to represent -2**n to 2**n-1. */ - complain_overflow_bitfield, - - /* Complain if the value overflows when considered as a signed - number. */ - complain_overflow_signed, - - /* Complain if the value overflows when considered as an - unsigned number. */ - complain_overflow_unsigned -@}; -@end example -@subsubsection @code{reloc_howto_type} -The @code{reloc_howto_type} is a structure which contains all the -information that libbfd needs to know to tie up a back end's data. - - -@example -struct bfd_symbol; /* Forward declaration. */ - -struct reloc_howto_struct -@{ - /* The type field has mainly a documentary use - the back end can - do what it wants with it, though normally the back end's - external idea of what a reloc number is stored - in this field. For example, a PC relative word relocation - in a coff environment has the type 023 - because that's - what the outside world calls a R_PCRWORD reloc. */ - unsigned int type; - - /* The value the final relocation is shifted right by. This drops - unwanted data from the relocation. */ - unsigned int rightshift; - - /* The size of the item to be relocated. This is *not* a - power-of-two measure. To get the number of bytes operated - on by a type of relocation, use bfd_get_reloc_size. */ - int size; - - /* The number of bits in the item to be relocated. This is used - when doing overflow checking. */ - unsigned int bitsize; - - /* Notes that the relocation is relative to the location in the - data section of the addend. The relocation function will - subtract from the relocation value the address of the location - being relocated. */ - bfd_boolean pc_relative; - - /* The bit position of the reloc value in the destination. - The relocated value is left shifted by this amount. */ - unsigned int bitpos; - - /* What type of overflow error should be checked for when - relocating. */ - enum complain_overflow complain_on_overflow; - - /* If this field is non null, then the supplied function is - called rather than the normal function. This allows really - strange relocation methods to be accommodated (e.g., i960 callj - instructions). */ - bfd_reloc_status_type (*special_function) - (bfd *, arelent *, struct bfd_symbol *, void *, asection *, - bfd *, char **); - - /* The textual name of the relocation type. */ - char *name; - - /* Some formats record a relocation addend in the section contents - rather than with the relocation. For ELF formats this is the - distinction between USE_REL and USE_RELA (though the code checks - for USE_REL == 1/0). The value of this field is TRUE if the - addend is recorded with the section contents; when performing a - partial link (ld -r) the section contents (the data) will be - modified. The value of this field is FALSE if addends are - recorded with the relocation (in arelent.addend); when performing - a partial link the relocation will be modified. - All relocations for all ELF USE_RELA targets should set this field - to FALSE (values of TRUE should be looked on with suspicion). - However, the converse is not true: not all relocations of all ELF - USE_REL targets set this field to TRUE. Why this is so is peculiar - to each particular target. For relocs that aren't used in partial - links (e.g. GOT stuff) it doesn't matter what this is set to. */ - bfd_boolean partial_inplace; - - /* src_mask selects the part of the instruction (or data) to be used - in the relocation sum. If the target relocations don't have an - addend in the reloc, eg. ELF USE_REL, src_mask will normally equal - dst_mask to extract the addend from the section contents. If - relocations do have an addend in the reloc, eg. ELF USE_RELA, this - field should be zero. Non-zero values for ELF USE_RELA targets are - bogus as in those cases the value in the dst_mask part of the - section contents should be treated as garbage. */ - bfd_vma src_mask; - - /* dst_mask selects which parts of the instruction (or data) are - replaced with a relocated value. */ - bfd_vma dst_mask; - - /* When some formats create PC relative instructions, they leave - the value of the pc of the place being relocated in the offset - slot of the instruction, so that a PC relative relocation can - be made just by adding in an ordinary offset (e.g., sun3 a.out). - Some formats leave the displacement part of an instruction - empty (e.g., m88k bcs); this flag signals the fact. */ - bfd_boolean pcrel_offset; -@}; - -@end example -@findex The HOWTO Macro -@subsubsection @code{The HOWTO Macro} -@strong{Description}@* -The HOWTO define is horrible and will go away. -@example -#define HOWTO(C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \ - @{ (unsigned) C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC @} -@end example - -@strong{Description}@* -And will be replaced with the totally magic way. But for the -moment, we are compatible, so do it this way. -@example -#define NEWHOWTO(FUNCTION, NAME, SIZE, REL, IN) \ - HOWTO (0, 0, SIZE, 0, REL, 0, complain_overflow_dont, FUNCTION, \ - NAME, FALSE, 0, 0, IN) - -@end example - -@strong{Description}@* -This is used to fill in an empty howto entry in an array. -@example -#define EMPTY_HOWTO(C) \ - HOWTO ((C), 0, 0, 0, FALSE, 0, complain_overflow_dont, NULL, \ - NULL, FALSE, 0, 0, FALSE) - -@end example - -@strong{Description}@* -Helper routine to turn a symbol into a relocation value. -@example -#define HOWTO_PREPARE(relocation, symbol) \ - @{ \ - if (symbol != NULL) \ - @{ \ - if (bfd_is_com_section (symbol->section)) \ - @{ \ - relocation = 0; \ - @} \ - else \ - @{ \ - relocation = symbol->value; \ - @} \ - @} \ - @} - -@end example - -@findex bfd_get_reloc_size -@subsubsection @code{bfd_get_reloc_size} -@strong{Synopsis} -@example -unsigned int bfd_get_reloc_size (reloc_howto_type *); -@end example -@strong{Description}@* -For a reloc_howto_type that operates on a fixed number of bytes, -this returns the number of bytes operated on. - -@findex arelent_chain -@subsubsection @code{arelent_chain} -@strong{Description}@* -How relocs are tied together in an @code{asection}: -@example -typedef struct relent_chain -@{ - arelent relent; - struct relent_chain *next; -@} -arelent_chain; - -@end example - -@findex bfd_check_overflow -@subsubsection @code{bfd_check_overflow} -@strong{Synopsis} -@example -bfd_reloc_status_type bfd_check_overflow - (enum complain_overflow how, - unsigned int bitsize, - unsigned int rightshift, - unsigned int addrsize, - bfd_vma relocation); -@end example -@strong{Description}@* -Perform overflow checking on @var{relocation} which has -@var{bitsize} significant bits and will be shifted right by -@var{rightshift} bits, on a machine with addresses containing -@var{addrsize} significant bits. The result is either of -@code{bfd_reloc_ok} or @code{bfd_reloc_overflow}. - -@findex bfd_perform_relocation -@subsubsection @code{bfd_perform_relocation} -@strong{Synopsis} -@example -bfd_reloc_status_type bfd_perform_relocation - (bfd *abfd, - arelent *reloc_entry, - void *data, - asection *input_section, - bfd *output_bfd, - char **error_message); -@end example -@strong{Description}@* -If @var{output_bfd} is supplied to this function, the -generated image will be relocatable; the relocations are -copied to the output file after they have been changed to -reflect the new state of the world. There are two ways of -reflecting the results of partial linkage in an output file: -by modifying the output data in place, and by modifying the -relocation record. Some native formats (e.g., basic a.out and -basic coff) have no way of specifying an addend in the -relocation type, so the addend has to go in the output data. -This is no big deal since in these formats the output data -slot will always be big enough for the addend. Complex reloc -types with addends were invented to solve just this problem. -The @var{error_message} argument is set to an error message if -this return @code{bfd_reloc_dangerous}. - -@findex bfd_install_relocation -@subsubsection @code{bfd_install_relocation} -@strong{Synopsis} -@example -bfd_reloc_status_type bfd_install_relocation - (bfd *abfd, - arelent *reloc_entry, - void *data, bfd_vma data_start, - asection *input_section, - char **error_message); -@end example -@strong{Description}@* -This looks remarkably like @code{bfd_perform_relocation}, except it -does not expect that the section contents have been filled in. -I.e., it's suitable for use when creating, rather than applying -a relocation. - -For now, this function should be considered reserved for the -assembler. - - -@node howto manager, , typedef arelent, Relocations -@subsection The howto manager -When an application wants to create a relocation, but doesn't -know what the target machine might call it, it can find out by -using this bit of code. - -@findex bfd_reloc_code_type -@subsubsection @code{bfd_reloc_code_type} -@strong{Description}@* -The insides of a reloc code. The idea is that, eventually, there -will be one enumerator for every type of relocation we ever do. -Pass one of these values to @code{bfd_reloc_type_lookup}, and it'll -return a howto pointer. - -This does mean that the application must determine the correct -enumerator value; you can't get a howto pointer from a random set -of attributes. - -Here are the possible values for @code{enum bfd_reloc_code_real}: - -@deffn {} BFD_RELOC_64 -@deffnx {} BFD_RELOC_32 -@deffnx {} BFD_RELOC_26 -@deffnx {} BFD_RELOC_24 -@deffnx {} BFD_RELOC_16 -@deffnx {} BFD_RELOC_14 -@deffnx {} BFD_RELOC_8 -Basic absolute relocations of N bits. -@end deffn -@deffn {} BFD_RELOC_64_PCREL -@deffnx {} BFD_RELOC_32_PCREL -@deffnx {} BFD_RELOC_24_PCREL -@deffnx {} BFD_RELOC_16_PCREL -@deffnx {} BFD_RELOC_12_PCREL -@deffnx {} BFD_RELOC_8_PCREL -PC-relative relocations. Sometimes these are relative to the address -of the relocation itself; sometimes they are relative to the start of -the section containing the relocation. It depends on the specific target. - -The 24-bit relocation is used in some Intel 960 configurations. -@end deffn -@deffn {} BFD_RELOC_32_SECREL -Section relative relocations. Some targets need this for DWARF2. -@end deffn -@deffn {} BFD_RELOC_32_GOT_PCREL -@deffnx {} BFD_RELOC_16_GOT_PCREL -@deffnx {} BFD_RELOC_8_GOT_PCREL -@deffnx {} BFD_RELOC_32_GOTOFF -@deffnx {} BFD_RELOC_16_GOTOFF -@deffnx {} BFD_RELOC_LO16_GOTOFF -@deffnx {} BFD_RELOC_HI16_GOTOFF -@deffnx {} BFD_RELOC_HI16_S_GOTOFF -@deffnx {} BFD_RELOC_8_GOTOFF -@deffnx {} BFD_RELOC_64_PLT_PCREL -@deffnx {} BFD_RELOC_32_PLT_PCREL -@deffnx {} BFD_RELOC_24_PLT_PCREL -@deffnx {} BFD_RELOC_16_PLT_PCREL -@deffnx {} BFD_RELOC_8_PLT_PCREL -@deffnx {} BFD_RELOC_64_PLTOFF -@deffnx {} BFD_RELOC_32_PLTOFF -@deffnx {} BFD_RELOC_16_PLTOFF -@deffnx {} BFD_RELOC_LO16_PLTOFF -@deffnx {} BFD_RELOC_HI16_PLTOFF -@deffnx {} BFD_RELOC_HI16_S_PLTOFF -@deffnx {} BFD_RELOC_8_PLTOFF -For ELF. -@end deffn -@deffn {} BFD_RELOC_68K_GLOB_DAT -@deffnx {} BFD_RELOC_68K_JMP_SLOT -@deffnx {} BFD_RELOC_68K_RELATIVE -@deffnx {} BFD_RELOC_68K_TLS_GD32 -@deffnx {} BFD_RELOC_68K_TLS_GD16 -@deffnx {} BFD_RELOC_68K_TLS_GD8 -@deffnx {} BFD_RELOC_68K_TLS_LDM32 -@deffnx {} BFD_RELOC_68K_TLS_LDM16 -@deffnx {} BFD_RELOC_68K_TLS_LDM8 -@deffnx {} BFD_RELOC_68K_TLS_LDO32 -@deffnx {} BFD_RELOC_68K_TLS_LDO16 -@deffnx {} BFD_RELOC_68K_TLS_LDO8 -@deffnx {} BFD_RELOC_68K_TLS_IE32 -@deffnx {} BFD_RELOC_68K_TLS_IE16 -@deffnx {} BFD_RELOC_68K_TLS_IE8 -@deffnx {} BFD_RELOC_68K_TLS_LE32 -@deffnx {} BFD_RELOC_68K_TLS_LE16 -@deffnx {} BFD_RELOC_68K_TLS_LE8 -Relocations used by 68K ELF. -@end deffn -@deffn {} BFD_RELOC_32_BASEREL -@deffnx {} BFD_RELOC_16_BASEREL -@deffnx {} BFD_RELOC_LO16_BASEREL -@deffnx {} BFD_RELOC_HI16_BASEREL -@deffnx {} BFD_RELOC_HI16_S_BASEREL -@deffnx {} BFD_RELOC_8_BASEREL -@deffnx {} BFD_RELOC_RVA -Linkage-table relative. -@end deffn -@deffn {} BFD_RELOC_8_FFnn -Absolute 8-bit relocation, but used to form an address like 0xFFnn. -@end deffn -@deffn {} BFD_RELOC_32_PCREL_S2 -@deffnx {} BFD_RELOC_16_PCREL_S2 -@deffnx {} BFD_RELOC_23_PCREL_S2 -These PC-relative relocations are stored as word displacements -- -i.e., byte displacements shifted right two bits. The 30-bit word -displacement (<<32_PCREL_S2>> -- 32 bits, shifted 2) is used on the -SPARC. (SPARC tools generally refer to this as <>.) The -signed 16-bit displacement is used on the MIPS, and the 23-bit -displacement is used on the Alpha. -@end deffn -@deffn {} BFD_RELOC_HI22 -@deffnx {} BFD_RELOC_LO10 -High 22 bits and low 10 bits of 32-bit value, placed into lower bits of -the target word. These are used on the SPARC. -@end deffn -@deffn {} BFD_RELOC_GPREL16 -@deffnx {} BFD_RELOC_GPREL32 -For systems that allocate a Global Pointer register, these are -displacements off that register. These relocation types are -handled specially, because the value the register will have is -decided relatively late. -@end deffn -@deffn {} BFD_RELOC_I960_CALLJ -Reloc types used for i960/b.out. -@end deffn -@deffn {} BFD_RELOC_NONE -@deffnx {} BFD_RELOC_SPARC_WDISP22 -@deffnx {} BFD_RELOC_SPARC22 -@deffnx {} BFD_RELOC_SPARC13 -@deffnx {} BFD_RELOC_SPARC_GOT10 -@deffnx {} BFD_RELOC_SPARC_GOT13 -@deffnx {} BFD_RELOC_SPARC_GOT22 -@deffnx {} BFD_RELOC_SPARC_PC10 -@deffnx {} BFD_RELOC_SPARC_PC22 -@deffnx {} BFD_RELOC_SPARC_WPLT30 -@deffnx {} BFD_RELOC_SPARC_COPY -@deffnx {} BFD_RELOC_SPARC_GLOB_DAT -@deffnx {} BFD_RELOC_SPARC_JMP_SLOT -@deffnx {} BFD_RELOC_SPARC_RELATIVE -@deffnx {} BFD_RELOC_SPARC_UA16 -@deffnx {} BFD_RELOC_SPARC_UA32 -@deffnx {} BFD_RELOC_SPARC_UA64 -@deffnx {} BFD_RELOC_SPARC_GOTDATA_HIX22 -@deffnx {} BFD_RELOC_SPARC_GOTDATA_LOX10 -@deffnx {} BFD_RELOC_SPARC_GOTDATA_OP_HIX22 -@deffnx {} BFD_RELOC_SPARC_GOTDATA_OP_LOX10 -@deffnx {} BFD_RELOC_SPARC_GOTDATA_OP -SPARC ELF relocations. There is probably some overlap with other -relocation types already defined. -@end deffn -@deffn {} BFD_RELOC_SPARC_BASE13 -@deffnx {} BFD_RELOC_SPARC_BASE22 -I think these are specific to SPARC a.out (e.g., Sun 4). -@end deffn -@deffn {} BFD_RELOC_SPARC_64 -@deffnx {} BFD_RELOC_SPARC_10 -@deffnx {} BFD_RELOC_SPARC_11 -@deffnx {} BFD_RELOC_SPARC_OLO10 -@deffnx {} BFD_RELOC_SPARC_HH22 -@deffnx {} BFD_RELOC_SPARC_HM10 -@deffnx {} BFD_RELOC_SPARC_LM22 -@deffnx {} BFD_RELOC_SPARC_PC_HH22 -@deffnx {} BFD_RELOC_SPARC_PC_HM10 -@deffnx {} BFD_RELOC_SPARC_PC_LM22 -@deffnx {} BFD_RELOC_SPARC_WDISP16 -@deffnx {} BFD_RELOC_SPARC_WDISP19 -@deffnx {} BFD_RELOC_SPARC_7 -@deffnx {} BFD_RELOC_SPARC_6 -@deffnx {} BFD_RELOC_SPARC_5 -@deffnx {} BFD_RELOC_SPARC_DISP64 -@deffnx {} BFD_RELOC_SPARC_PLT32 -@deffnx {} BFD_RELOC_SPARC_PLT64 -@deffnx {} BFD_RELOC_SPARC_HIX22 -@deffnx {} BFD_RELOC_SPARC_LOX10 -@deffnx {} BFD_RELOC_SPARC_H44 -@deffnx {} BFD_RELOC_SPARC_M44 -@deffnx {} BFD_RELOC_SPARC_L44 -@deffnx {} BFD_RELOC_SPARC_REGISTER -SPARC64 relocations -@end deffn -@deffn {} BFD_RELOC_SPARC_REV32 -SPARC little endian relocation -@end deffn -@deffn {} BFD_RELOC_SPARC_TLS_GD_HI22 -@deffnx {} BFD_RELOC_SPARC_TLS_GD_LO10 -@deffnx {} BFD_RELOC_SPARC_TLS_GD_ADD -@deffnx {} BFD_RELOC_SPARC_TLS_GD_CALL -@deffnx {} BFD_RELOC_SPARC_TLS_LDM_HI22 -@deffnx {} BFD_RELOC_SPARC_TLS_LDM_LO10 -@deffnx {} BFD_RELOC_SPARC_TLS_LDM_ADD -@deffnx {} BFD_RELOC_SPARC_TLS_LDM_CALL -@deffnx {} BFD_RELOC_SPARC_TLS_LDO_HIX22 -@deffnx {} BFD_RELOC_SPARC_TLS_LDO_LOX10 -@deffnx {} BFD_RELOC_SPARC_TLS_LDO_ADD -@deffnx {} BFD_RELOC_SPARC_TLS_IE_HI22 -@deffnx {} BFD_RELOC_SPARC_TLS_IE_LO10 -@deffnx {} BFD_RELOC_SPARC_TLS_IE_LD -@deffnx {} BFD_RELOC_SPARC_TLS_IE_LDX -@deffnx {} BFD_RELOC_SPARC_TLS_IE_ADD -@deffnx {} BFD_RELOC_SPARC_TLS_LE_HIX22 -@deffnx {} BFD_RELOC_SPARC_TLS_LE_LOX10 -@deffnx {} BFD_RELOC_SPARC_TLS_DTPMOD32 -@deffnx {} BFD_RELOC_SPARC_TLS_DTPMOD64 -@deffnx {} BFD_RELOC_SPARC_TLS_DTPOFF32 -@deffnx {} BFD_RELOC_SPARC_TLS_DTPOFF64 -@deffnx {} BFD_RELOC_SPARC_TLS_TPOFF32 -@deffnx {} BFD_RELOC_SPARC_TLS_TPOFF64 -SPARC TLS relocations -@end deffn -@deffn {} BFD_RELOC_SPU_IMM7 -@deffnx {} BFD_RELOC_SPU_IMM8 -@deffnx {} BFD_RELOC_SPU_IMM10 -@deffnx {} BFD_RELOC_SPU_IMM10W -@deffnx {} BFD_RELOC_SPU_IMM16 -@deffnx {} BFD_RELOC_SPU_IMM16W -@deffnx {} BFD_RELOC_SPU_IMM18 -@deffnx {} BFD_RELOC_SPU_PCREL9a -@deffnx {} BFD_RELOC_SPU_PCREL9b -@deffnx {} BFD_RELOC_SPU_PCREL16 -@deffnx {} BFD_RELOC_SPU_LO16 -@deffnx {} BFD_RELOC_SPU_HI16 -@deffnx {} BFD_RELOC_SPU_PPU32 -@deffnx {} BFD_RELOC_SPU_PPU64 -@deffnx {} BFD_RELOC_SPU_ADD_PIC -SPU Relocations. -@end deffn -@deffn {} BFD_RELOC_ALPHA_GPDISP_HI16 -Alpha ECOFF and ELF relocations. Some of these treat the symbol or -"addend" in some special way. -For GPDISP_HI16 ("gpdisp") relocations, the symbol is ignored when -writing; when reading, it will be the absolute section symbol. The -addend is the displacement in bytes of the "lda" instruction from -the "ldah" instruction (which is at the address of this reloc). -@end deffn -@deffn {} BFD_RELOC_ALPHA_GPDISP_LO16 -For GPDISP_LO16 ("ignore") relocations, the symbol is handled as -with GPDISP_HI16 relocs. The addend is ignored when writing the -relocations out, and is filled in with the file's GP value on -reading, for convenience. -@end deffn -@deffn {} BFD_RELOC_ALPHA_GPDISP -The ELF GPDISP relocation is exactly the same as the GPDISP_HI16 -relocation except that there is no accompanying GPDISP_LO16 -relocation. -@end deffn -@deffn {} BFD_RELOC_ALPHA_LITERAL -@deffnx {} BFD_RELOC_ALPHA_ELF_LITERAL -@deffnx {} BFD_RELOC_ALPHA_LITUSE -The Alpha LITERAL/LITUSE relocs are produced by a symbol reference; -the assembler turns it into a LDQ instruction to load the address of -the symbol, and then fills in a register in the real instruction. - -The LITERAL reloc, at the LDQ instruction, refers to the .lita -section symbol. The addend is ignored when writing, but is filled -in with the file's GP value on reading, for convenience, as with the -GPDISP_LO16 reloc. - -The ELF_LITERAL reloc is somewhere between 16_GOTOFF and GPDISP_LO16. -It should refer to the symbol to be referenced, as with 16_GOTOFF, -but it generates output not based on the position within the .got -section, but relative to the GP value chosen for the file during the -final link stage. - -The LITUSE reloc, on the instruction using the loaded address, gives -information to the linker that it might be able to use to optimize -away some literal section references. The symbol is ignored (read -as the absolute section symbol), and the "addend" indicates the type -of instruction using the register: -1 - "memory" fmt insn -2 - byte-manipulation (byte offset reg) -3 - jsr (target of branch) -@end deffn -@deffn {} BFD_RELOC_ALPHA_HINT -The HINT relocation indicates a value that should be filled into the -"hint" field of a jmp/jsr/ret instruction, for possible branch- -prediction logic which may be provided on some processors. -@end deffn -@deffn {} BFD_RELOC_ALPHA_LINKAGE -The LINKAGE relocation outputs a linkage pair in the object file, -which is filled by the linker. -@end deffn -@deffn {} BFD_RELOC_ALPHA_CODEADDR -The CODEADDR relocation outputs a STO_CA in the object file, -which is filled by the linker. -@end deffn -@deffn {} BFD_RELOC_ALPHA_GPREL_HI16 -@deffnx {} BFD_RELOC_ALPHA_GPREL_LO16 -The GPREL_HI/LO relocations together form a 32-bit offset from the -GP register. -@end deffn -@deffn {} BFD_RELOC_ALPHA_BRSGP -Like BFD_RELOC_23_PCREL_S2, except that the source and target must -share a common GP, and the target address is adjusted for -STO_ALPHA_STD_GPLOAD. -@end deffn -@deffn {} BFD_RELOC_ALPHA_NOP -The NOP relocation outputs a NOP if the longword displacement -between two procedure entry points is < 2^21. -@end deffn -@deffn {} BFD_RELOC_ALPHA_BSR -The BSR relocation outputs a BSR if the longword displacement -between two procedure entry points is < 2^21. -@end deffn -@deffn {} BFD_RELOC_ALPHA_LDA -The LDA relocation outputs a LDA if the longword displacement -between two procedure entry points is < 2^16. -@end deffn -@deffn {} BFD_RELOC_ALPHA_BOH -The BOH relocation outputs a BSR if the longword displacement -between two procedure entry points is < 2^21, or else a hint. -@end deffn -@deffn {} BFD_RELOC_ALPHA_TLSGD -@deffnx {} BFD_RELOC_ALPHA_TLSLDM -@deffnx {} BFD_RELOC_ALPHA_DTPMOD64 -@deffnx {} BFD_RELOC_ALPHA_GOTDTPREL16 -@deffnx {} BFD_RELOC_ALPHA_DTPREL64 -@deffnx {} BFD_RELOC_ALPHA_DTPREL_HI16 -@deffnx {} BFD_RELOC_ALPHA_DTPREL_LO16 -@deffnx {} BFD_RELOC_ALPHA_DTPREL16 -@deffnx {} BFD_RELOC_ALPHA_GOTTPREL16 -@deffnx {} BFD_RELOC_ALPHA_TPREL64 -@deffnx {} BFD_RELOC_ALPHA_TPREL_HI16 -@deffnx {} BFD_RELOC_ALPHA_TPREL_LO16 -@deffnx {} BFD_RELOC_ALPHA_TPREL16 -Alpha thread-local storage relocations. -@end deffn -@deffn {} BFD_RELOC_MIPS_JMP -Bits 27..2 of the relocation address shifted right 2 bits; -simple reloc otherwise. -@end deffn -@deffn {} BFD_RELOC_MIPS16_JMP -The MIPS16 jump instruction. -@end deffn -@deffn {} BFD_RELOC_MIPS16_GPREL -MIPS16 GP relative reloc. -@end deffn -@deffn {} BFD_RELOC_HI16 -High 16 bits of 32-bit value; simple reloc. -@end deffn -@deffn {} BFD_RELOC_HI16_S -High 16 bits of 32-bit value but the low 16 bits will be sign -extended and added to form the final result. If the low 16 -bits form a negative number, we need to add one to the high value -to compensate for the borrow when the low bits are added. -@end deffn -@deffn {} BFD_RELOC_LO16 -Low 16 bits. -@end deffn -@deffn {} BFD_RELOC_HI16_PCREL -High 16 bits of 32-bit pc-relative value -@end deffn -@deffn {} BFD_RELOC_HI16_S_PCREL -High 16 bits of 32-bit pc-relative value, adjusted -@end deffn -@deffn {} BFD_RELOC_LO16_PCREL -Low 16 bits of pc-relative value -@end deffn -@deffn {} BFD_RELOC_MIPS16_GOT16 -@deffnx {} BFD_RELOC_MIPS16_CALL16 -Equivalent of BFD_RELOC_MIPS_*, but with the MIPS16 layout of -16-bit immediate fields -@end deffn -@deffn {} BFD_RELOC_MIPS16_HI16 -MIPS16 high 16 bits of 32-bit value. -@end deffn -@deffn {} BFD_RELOC_MIPS16_HI16_S -MIPS16 high 16 bits of 32-bit value but the low 16 bits will be sign -extended and added to form the final result. If the low 16 -bits form a negative number, we need to add one to the high value -to compensate for the borrow when the low bits are added. -@end deffn -@deffn {} BFD_RELOC_MIPS16_LO16 -MIPS16 low 16 bits. -@end deffn -@deffn {} BFD_RELOC_MIPS_LITERAL -Relocation against a MIPS literal section. -@end deffn -@deffn {} BFD_RELOC_MIPS_GOT16 -@deffnx {} BFD_RELOC_MIPS_CALL16 -@deffnx {} BFD_RELOC_MIPS_GOT_HI16 -@deffnx {} BFD_RELOC_MIPS_GOT_LO16 -@deffnx {} BFD_RELOC_MIPS_CALL_HI16 -@deffnx {} BFD_RELOC_MIPS_CALL_LO16 -@deffnx {} BFD_RELOC_MIPS_SUB -@deffnx {} BFD_RELOC_MIPS_GOT_PAGE -@deffnx {} BFD_RELOC_MIPS_GOT_OFST -@deffnx {} BFD_RELOC_MIPS_GOT_DISP -@deffnx {} BFD_RELOC_MIPS_SHIFT5 -@deffnx {} BFD_RELOC_MIPS_SHIFT6 -@deffnx {} BFD_RELOC_MIPS_INSERT_A -@deffnx {} BFD_RELOC_MIPS_INSERT_B -@deffnx {} BFD_RELOC_MIPS_DELETE -@deffnx {} BFD_RELOC_MIPS_HIGHEST -@deffnx {} BFD_RELOC_MIPS_HIGHER -@deffnx {} BFD_RELOC_MIPS_SCN_DISP -@deffnx {} BFD_RELOC_MIPS_REL16 -@deffnx {} BFD_RELOC_MIPS_RELGOT -@deffnx {} BFD_RELOC_MIPS_JALR -@deffnx {} BFD_RELOC_MIPS_TLS_DTPMOD32 -@deffnx {} BFD_RELOC_MIPS_TLS_DTPREL32 -@deffnx {} BFD_RELOC_MIPS_TLS_DTPMOD64 -@deffnx {} BFD_RELOC_MIPS_TLS_DTPREL64 -@deffnx {} BFD_RELOC_MIPS_TLS_GD -@deffnx {} BFD_RELOC_MIPS_TLS_LDM -@deffnx {} BFD_RELOC_MIPS_TLS_DTPREL_HI16 -@deffnx {} BFD_RELOC_MIPS_TLS_DTPREL_LO16 -@deffnx {} BFD_RELOC_MIPS_TLS_GOTTPREL -@deffnx {} BFD_RELOC_MIPS_TLS_TPREL32 -@deffnx {} BFD_RELOC_MIPS_TLS_TPREL64 -@deffnx {} BFD_RELOC_MIPS_TLS_TPREL_HI16 -@deffnx {} BFD_RELOC_MIPS_TLS_TPREL_LO16 -MIPS ELF relocations. -@end deffn -@deffn {} BFD_RELOC_MIPS_COPY -@deffnx {} BFD_RELOC_MIPS_JUMP_SLOT -MIPS ELF relocations (VxWorks and PLT extensions). -@end deffn -@deffn {} BFD_RELOC_MOXIE_10_PCREL -Moxie ELF relocations. -@end deffn -@deffn {} BFD_RELOC_FRV_LABEL16 -@deffnx {} BFD_RELOC_FRV_LABEL24 -@deffnx {} BFD_RELOC_FRV_LO16 -@deffnx {} BFD_RELOC_FRV_HI16 -@deffnx {} BFD_RELOC_FRV_GPREL12 -@deffnx {} BFD_RELOC_FRV_GPRELU12 -@deffnx {} BFD_RELOC_FRV_GPREL32 -@deffnx {} BFD_RELOC_FRV_GPRELHI -@deffnx {} BFD_RELOC_FRV_GPRELLO -@deffnx {} BFD_RELOC_FRV_GOT12 -@deffnx {} BFD_RELOC_FRV_GOTHI -@deffnx {} BFD_RELOC_FRV_GOTLO -@deffnx {} BFD_RELOC_FRV_FUNCDESC -@deffnx {} BFD_RELOC_FRV_FUNCDESC_GOT12 -@deffnx {} BFD_RELOC_FRV_FUNCDESC_GOTHI -@deffnx {} BFD_RELOC_FRV_FUNCDESC_GOTLO -@deffnx {} BFD_RELOC_FRV_FUNCDESC_VALUE -@deffnx {} BFD_RELOC_FRV_FUNCDESC_GOTOFF12 -@deffnx {} BFD_RELOC_FRV_FUNCDESC_GOTOFFHI -@deffnx {} BFD_RELOC_FRV_FUNCDESC_GOTOFFLO -@deffnx {} BFD_RELOC_FRV_GOTOFF12 -@deffnx {} BFD_RELOC_FRV_GOTOFFHI -@deffnx {} BFD_RELOC_FRV_GOTOFFLO -@deffnx {} BFD_RELOC_FRV_GETTLSOFF -@deffnx {} BFD_RELOC_FRV_TLSDESC_VALUE -@deffnx {} BFD_RELOC_FRV_GOTTLSDESC12 -@deffnx {} BFD_RELOC_FRV_GOTTLSDESCHI -@deffnx {} BFD_RELOC_FRV_GOTTLSDESCLO -@deffnx {} BFD_RELOC_FRV_TLSMOFF12 -@deffnx {} BFD_RELOC_FRV_TLSMOFFHI -@deffnx {} BFD_RELOC_FRV_TLSMOFFLO -@deffnx {} BFD_RELOC_FRV_GOTTLSOFF12 -@deffnx {} BFD_RELOC_FRV_GOTTLSOFFHI -@deffnx {} BFD_RELOC_FRV_GOTTLSOFFLO -@deffnx {} BFD_RELOC_FRV_TLSOFF -@deffnx {} BFD_RELOC_FRV_TLSDESC_RELAX -@deffnx {} BFD_RELOC_FRV_GETTLSOFF_RELAX -@deffnx {} BFD_RELOC_FRV_TLSOFF_RELAX -@deffnx {} BFD_RELOC_FRV_TLSMOFF -Fujitsu Frv Relocations. -@end deffn -@deffn {} BFD_RELOC_MN10300_GOTOFF24 -This is a 24bit GOT-relative reloc for the mn10300. -@end deffn -@deffn {} BFD_RELOC_MN10300_GOT32 -This is a 32bit GOT-relative reloc for the mn10300, offset by two bytes -in the instruction. -@end deffn -@deffn {} BFD_RELOC_MN10300_GOT24 -This is a 24bit GOT-relative reloc for the mn10300, offset by two bytes -in the instruction. -@end deffn -@deffn {} BFD_RELOC_MN10300_GOT16 -This is a 16bit GOT-relative reloc for the mn10300, offset by two bytes -in the instruction. -@end deffn -@deffn {} BFD_RELOC_MN10300_COPY -Copy symbol at runtime. -@end deffn -@deffn {} BFD_RELOC_MN10300_GLOB_DAT -Create GOT entry. -@end deffn -@deffn {} BFD_RELOC_MN10300_JMP_SLOT -Create PLT entry. -@end deffn -@deffn {} BFD_RELOC_MN10300_RELATIVE -Adjust by program base. -@end deffn -@deffn {} BFD_RELOC_MN10300_SYM_DIFF -Together with another reloc targeted at the same location, -allows for a value that is the difference of two symbols -in the same section. -@end deffn -@deffn {} BFD_RELOC_MN10300_ALIGN -The addend of this reloc is an alignment power that must -be honoured at the offset's location, regardless of linker -relaxation. -@end deffn -@deffn {} BFD_RELOC_386_GOT32 -@deffnx {} BFD_RELOC_386_PLT32 -@deffnx {} BFD_RELOC_386_COPY -@deffnx {} BFD_RELOC_386_GLOB_DAT -@deffnx {} BFD_RELOC_386_JUMP_SLOT -@deffnx {} BFD_RELOC_386_RELATIVE -@deffnx {} BFD_RELOC_386_GOTOFF -@deffnx {} BFD_RELOC_386_GOTPC -@deffnx {} BFD_RELOC_386_TLS_TPOFF -@deffnx {} BFD_RELOC_386_TLS_IE -@deffnx {} BFD_RELOC_386_TLS_GOTIE -@deffnx {} BFD_RELOC_386_TLS_LE -@deffnx {} BFD_RELOC_386_TLS_GD -@deffnx {} BFD_RELOC_386_TLS_LDM -@deffnx {} BFD_RELOC_386_TLS_LDO_32 -@deffnx {} BFD_RELOC_386_TLS_IE_32 -@deffnx {} BFD_RELOC_386_TLS_LE_32 -@deffnx {} BFD_RELOC_386_TLS_DTPMOD32 -@deffnx {} BFD_RELOC_386_TLS_DTPOFF32 -@deffnx {} BFD_RELOC_386_TLS_TPOFF32 -@deffnx {} BFD_RELOC_386_TLS_GOTDESC -@deffnx {} BFD_RELOC_386_TLS_DESC_CALL -@deffnx {} BFD_RELOC_386_TLS_DESC -@deffnx {} BFD_RELOC_386_IRELATIVE -i386/elf relocations -@end deffn -@deffn {} BFD_RELOC_X86_64_GOT32 -@deffnx {} BFD_RELOC_X86_64_PLT32 -@deffnx {} BFD_RELOC_X86_64_COPY -@deffnx {} BFD_RELOC_X86_64_GLOB_DAT -@deffnx {} BFD_RELOC_X86_64_JUMP_SLOT -@deffnx {} BFD_RELOC_X86_64_RELATIVE -@deffnx {} BFD_RELOC_X86_64_GOTPCREL -@deffnx {} BFD_RELOC_X86_64_32S -@deffnx {} BFD_RELOC_X86_64_DTPMOD64 -@deffnx {} BFD_RELOC_X86_64_DTPOFF64 -@deffnx {} BFD_RELOC_X86_64_TPOFF64 -@deffnx {} BFD_RELOC_X86_64_TLSGD -@deffnx {} BFD_RELOC_X86_64_TLSLD -@deffnx {} BFD_RELOC_X86_64_DTPOFF32 -@deffnx {} BFD_RELOC_X86_64_GOTTPOFF -@deffnx {} BFD_RELOC_X86_64_TPOFF32 -@deffnx {} BFD_RELOC_X86_64_GOTOFF64 -@deffnx {} BFD_RELOC_X86_64_GOTPC32 -@deffnx {} BFD_RELOC_X86_64_GOT64 -@deffnx {} BFD_RELOC_X86_64_GOTPCREL64 -@deffnx {} BFD_RELOC_X86_64_GOTPC64 -@deffnx {} BFD_RELOC_X86_64_GOTPLT64 -@deffnx {} BFD_RELOC_X86_64_PLTOFF64 -@deffnx {} BFD_RELOC_X86_64_GOTPC32_TLSDESC -@deffnx {} BFD_RELOC_X86_64_TLSDESC_CALL -@deffnx {} BFD_RELOC_X86_64_TLSDESC -@deffnx {} BFD_RELOC_X86_64_IRELATIVE -x86-64/elf relocations -@end deffn -@deffn {} BFD_RELOC_NS32K_IMM_8 -@deffnx {} BFD_RELOC_NS32K_IMM_16 -@deffnx {} BFD_RELOC_NS32K_IMM_32 -@deffnx {} BFD_RELOC_NS32K_IMM_8_PCREL -@deffnx {} BFD_RELOC_NS32K_IMM_16_PCREL -@deffnx {} BFD_RELOC_NS32K_IMM_32_PCREL -@deffnx {} BFD_RELOC_NS32K_DISP_8 -@deffnx {} BFD_RELOC_NS32K_DISP_16 -@deffnx {} BFD_RELOC_NS32K_DISP_32 -@deffnx {} BFD_RELOC_NS32K_DISP_8_PCREL -@deffnx {} BFD_RELOC_NS32K_DISP_16_PCREL -@deffnx {} BFD_RELOC_NS32K_DISP_32_PCREL -ns32k relocations -@end deffn -@deffn {} BFD_RELOC_PDP11_DISP_8_PCREL -@deffnx {} BFD_RELOC_PDP11_DISP_6_PCREL -PDP11 relocations -@end deffn -@deffn {} BFD_RELOC_PJ_CODE_HI16 -@deffnx {} BFD_RELOC_PJ_CODE_LO16 -@deffnx {} BFD_RELOC_PJ_CODE_DIR16 -@deffnx {} BFD_RELOC_PJ_CODE_DIR32 -@deffnx {} BFD_RELOC_PJ_CODE_REL16 -@deffnx {} BFD_RELOC_PJ_CODE_REL32 -Picojava relocs. Not all of these appear in object files. -@end deffn -@deffn {} BFD_RELOC_PPC_B26 -@deffnx {} BFD_RELOC_PPC_BA26 -@deffnx {} BFD_RELOC_PPC_TOC16 -@deffnx {} BFD_RELOC_PPC_B16 -@deffnx {} BFD_RELOC_PPC_B16_BRTAKEN -@deffnx {} BFD_RELOC_PPC_B16_BRNTAKEN -@deffnx {} BFD_RELOC_PPC_BA16 -@deffnx {} BFD_RELOC_PPC_BA16_BRTAKEN -@deffnx {} BFD_RELOC_PPC_BA16_BRNTAKEN -@deffnx {} BFD_RELOC_PPC_COPY -@deffnx {} BFD_RELOC_PPC_GLOB_DAT -@deffnx {} BFD_RELOC_PPC_JMP_SLOT -@deffnx {} BFD_RELOC_PPC_RELATIVE -@deffnx {} BFD_RELOC_PPC_LOCAL24PC -@deffnx {} BFD_RELOC_PPC_EMB_NADDR32 -@deffnx {} BFD_RELOC_PPC_EMB_NADDR16 -@deffnx {} BFD_RELOC_PPC_EMB_NADDR16_LO -@deffnx {} BFD_RELOC_PPC_EMB_NADDR16_HI -@deffnx {} BFD_RELOC_PPC_EMB_NADDR16_HA -@deffnx {} BFD_RELOC_PPC_EMB_SDAI16 -@deffnx {} BFD_RELOC_PPC_EMB_SDA2I16 -@deffnx {} BFD_RELOC_PPC_EMB_SDA2REL -@deffnx {} BFD_RELOC_PPC_EMB_SDA21 -@deffnx {} BFD_RELOC_PPC_EMB_MRKREF -@deffnx {} BFD_RELOC_PPC_EMB_RELSEC16 -@deffnx {} BFD_RELOC_PPC_EMB_RELST_LO -@deffnx {} BFD_RELOC_PPC_EMB_RELST_HI -@deffnx {} BFD_RELOC_PPC_EMB_RELST_HA -@deffnx {} BFD_RELOC_PPC_EMB_BIT_FLD -@deffnx {} BFD_RELOC_PPC_EMB_RELSDA -@deffnx {} BFD_RELOC_PPC64_HIGHER -@deffnx {} BFD_RELOC_PPC64_HIGHER_S -@deffnx {} BFD_RELOC_PPC64_HIGHEST -@deffnx {} BFD_RELOC_PPC64_HIGHEST_S -@deffnx {} BFD_RELOC_PPC64_TOC16_LO -@deffnx {} BFD_RELOC_PPC64_TOC16_HI -@deffnx {} BFD_RELOC_PPC64_TOC16_HA -@deffnx {} BFD_RELOC_PPC64_TOC -@deffnx {} BFD_RELOC_PPC64_PLTGOT16 -@deffnx {} BFD_RELOC_PPC64_PLTGOT16_LO -@deffnx {} BFD_RELOC_PPC64_PLTGOT16_HI -@deffnx {} BFD_RELOC_PPC64_PLTGOT16_HA -@deffnx {} BFD_RELOC_PPC64_ADDR16_DS -@deffnx {} BFD_RELOC_PPC64_ADDR16_LO_DS -@deffnx {} BFD_RELOC_PPC64_GOT16_DS -@deffnx {} BFD_RELOC_PPC64_GOT16_LO_DS -@deffnx {} BFD_RELOC_PPC64_PLT16_LO_DS -@deffnx {} BFD_RELOC_PPC64_SECTOFF_DS -@deffnx {} BFD_RELOC_PPC64_SECTOFF_LO_DS -@deffnx {} BFD_RELOC_PPC64_TOC16_DS -@deffnx {} BFD_RELOC_PPC64_TOC16_LO_DS -@deffnx {} BFD_RELOC_PPC64_PLTGOT16_DS -@deffnx {} BFD_RELOC_PPC64_PLTGOT16_LO_DS -Power(rs6000) and PowerPC relocations. -@end deffn -@deffn {} BFD_RELOC_PPC_TLS -@deffnx {} BFD_RELOC_PPC_TLSGD -@deffnx {} BFD_RELOC_PPC_TLSLD -@deffnx {} BFD_RELOC_PPC_DTPMOD -@deffnx {} BFD_RELOC_PPC_TPREL16 -@deffnx {} BFD_RELOC_PPC_TPREL16_LO -@deffnx {} BFD_RELOC_PPC_TPREL16_HI -@deffnx {} BFD_RELOC_PPC_TPREL16_HA -@deffnx {} BFD_RELOC_PPC_TPREL -@deffnx {} BFD_RELOC_PPC_DTPREL16 -@deffnx {} BFD_RELOC_PPC_DTPREL16_LO -@deffnx {} BFD_RELOC_PPC_DTPREL16_HI -@deffnx {} BFD_RELOC_PPC_DTPREL16_HA -@deffnx {} BFD_RELOC_PPC_DTPREL -@deffnx {} BFD_RELOC_PPC_GOT_TLSGD16 -@deffnx {} BFD_RELOC_PPC_GOT_TLSGD16_LO -@deffnx {} BFD_RELOC_PPC_GOT_TLSGD16_HI -@deffnx {} BFD_RELOC_PPC_GOT_TLSGD16_HA -@deffnx {} BFD_RELOC_PPC_GOT_TLSLD16 -@deffnx {} BFD_RELOC_PPC_GOT_TLSLD16_LO -@deffnx {} BFD_RELOC_PPC_GOT_TLSLD16_HI -@deffnx {} BFD_RELOC_PPC_GOT_TLSLD16_HA -@deffnx {} BFD_RELOC_PPC_GOT_TPREL16 -@deffnx {} BFD_RELOC_PPC_GOT_TPREL16_LO -@deffnx {} BFD_RELOC_PPC_GOT_TPREL16_HI -@deffnx {} BFD_RELOC_PPC_GOT_TPREL16_HA -@deffnx {} BFD_RELOC_PPC_GOT_DTPREL16 -@deffnx {} BFD_RELOC_PPC_GOT_DTPREL16_LO -@deffnx {} BFD_RELOC_PPC_GOT_DTPREL16_HI -@deffnx {} BFD_RELOC_PPC_GOT_DTPREL16_HA -@deffnx {} BFD_RELOC_PPC64_TPREL16_DS -@deffnx {} BFD_RELOC_PPC64_TPREL16_LO_DS -@deffnx {} BFD_RELOC_PPC64_TPREL16_HIGHER -@deffnx {} BFD_RELOC_PPC64_TPREL16_HIGHERA -@deffnx {} BFD_RELOC_PPC64_TPREL16_HIGHEST -@deffnx {} BFD_RELOC_PPC64_TPREL16_HIGHESTA -@deffnx {} BFD_RELOC_PPC64_DTPREL16_DS -@deffnx {} BFD_RELOC_PPC64_DTPREL16_LO_DS -@deffnx {} BFD_RELOC_PPC64_DTPREL16_HIGHER -@deffnx {} BFD_RELOC_PPC64_DTPREL16_HIGHERA -@deffnx {} BFD_RELOC_PPC64_DTPREL16_HIGHEST -@deffnx {} BFD_RELOC_PPC64_DTPREL16_HIGHESTA -PowerPC and PowerPC64 thread-local storage relocations. -@end deffn -@deffn {} BFD_RELOC_I370_D12 -IBM 370/390 relocations -@end deffn -@deffn {} BFD_RELOC_CTOR -The type of reloc used to build a constructor table - at the moment -probably a 32 bit wide absolute relocation, but the target can choose. -It generally does map to one of the other relocation types. -@end deffn -@deffn {} BFD_RELOC_ARM_PCREL_BRANCH -ARM 26 bit pc-relative branch. The lowest two bits must be zero and are -not stored in the instruction. -@end deffn -@deffn {} BFD_RELOC_ARM_PCREL_BLX -ARM 26 bit pc-relative branch. The lowest bit must be zero and is -not stored in the instruction. The 2nd lowest bit comes from a 1 bit -field in the instruction. -@end deffn -@deffn {} BFD_RELOC_THUMB_PCREL_BLX -Thumb 22 bit pc-relative branch. The lowest bit must be zero and is -not stored in the instruction. The 2nd lowest bit comes from a 1 bit -field in the instruction. -@end deffn -@deffn {} BFD_RELOC_ARM_PCREL_CALL -ARM 26-bit pc-relative branch for an unconditional BL or BLX instruction. -@end deffn -@deffn {} BFD_RELOC_ARM_PCREL_JUMP -ARM 26-bit pc-relative branch for B or conditional BL instruction. -@end deffn -@deffn {} BFD_RELOC_THUMB_PCREL_BRANCH7 -@deffnx {} BFD_RELOC_THUMB_PCREL_BRANCH9 -@deffnx {} BFD_RELOC_THUMB_PCREL_BRANCH12 -@deffnx {} BFD_RELOC_THUMB_PCREL_BRANCH20 -@deffnx {} BFD_RELOC_THUMB_PCREL_BRANCH23 -@deffnx {} BFD_RELOC_THUMB_PCREL_BRANCH25 -Thumb 7-, 9-, 12-, 20-, 23-, and 25-bit pc-relative branches. -The lowest bit must be zero and is not stored in the instruction. -Note that the corresponding ELF R_ARM_THM_JUMPnn constant has an -"nn" one smaller in all cases. Note further that BRANCH23 -corresponds to R_ARM_THM_CALL. -@end deffn -@deffn {} BFD_RELOC_ARM_OFFSET_IMM -12-bit immediate offset, used in ARM-format ldr and str instructions. -@end deffn -@deffn {} BFD_RELOC_ARM_THUMB_OFFSET -5-bit immediate offset, used in Thumb-format ldr and str instructions. -@end deffn -@deffn {} BFD_RELOC_ARM_TARGET1 -Pc-relative or absolute relocation depending on target. Used for -entries in .init_array sections. -@end deffn -@deffn {} BFD_RELOC_ARM_ROSEGREL32 -Read-only segment base relative address. -@end deffn -@deffn {} BFD_RELOC_ARM_SBREL32 -Data segment base relative address. -@end deffn -@deffn {} BFD_RELOC_ARM_TARGET2 -This reloc is used for references to RTTI data from exception handling -tables. The actual definition depends on the target. It may be a -pc-relative or some form of GOT-indirect relocation. -@end deffn -@deffn {} BFD_RELOC_ARM_PREL31 -31-bit PC relative address. -@end deffn -@deffn {} BFD_RELOC_ARM_MOVW -@deffnx {} BFD_RELOC_ARM_MOVT -@deffnx {} BFD_RELOC_ARM_MOVW_PCREL -@deffnx {} BFD_RELOC_ARM_MOVT_PCREL -@deffnx {} BFD_RELOC_ARM_THUMB_MOVW -@deffnx {} BFD_RELOC_ARM_THUMB_MOVT -@deffnx {} BFD_RELOC_ARM_THUMB_MOVW_PCREL -@deffnx {} BFD_RELOC_ARM_THUMB_MOVT_PCREL -Low and High halfword relocations for MOVW and MOVT instructions. -@end deffn -@deffn {} BFD_RELOC_ARM_JUMP_SLOT -@deffnx {} BFD_RELOC_ARM_GLOB_DAT -@deffnx {} BFD_RELOC_ARM_GOT32 -@deffnx {} BFD_RELOC_ARM_PLT32 -@deffnx {} BFD_RELOC_ARM_RELATIVE -@deffnx {} BFD_RELOC_ARM_GOTOFF -@deffnx {} BFD_RELOC_ARM_GOTPC -Relocations for setting up GOTs and PLTs for shared libraries. -@end deffn -@deffn {} BFD_RELOC_ARM_TLS_GD32 -@deffnx {} BFD_RELOC_ARM_TLS_LDO32 -@deffnx {} BFD_RELOC_ARM_TLS_LDM32 -@deffnx {} BFD_RELOC_ARM_TLS_DTPOFF32 -@deffnx {} BFD_RELOC_ARM_TLS_DTPMOD32 -@deffnx {} BFD_RELOC_ARM_TLS_TPOFF32 -@deffnx {} BFD_RELOC_ARM_TLS_IE32 -@deffnx {} BFD_RELOC_ARM_TLS_LE32 -ARM thread-local storage relocations. -@end deffn -@deffn {} BFD_RELOC_ARM_ALU_PC_G0_NC -@deffnx {} BFD_RELOC_ARM_ALU_PC_G0 -@deffnx {} BFD_RELOC_ARM_ALU_PC_G1_NC -@deffnx {} BFD_RELOC_ARM_ALU_PC_G1 -@deffnx {} BFD_RELOC_ARM_ALU_PC_G2 -@deffnx {} BFD_RELOC_ARM_LDR_PC_G0 -@deffnx {} BFD_RELOC_ARM_LDR_PC_G1 -@deffnx {} BFD_RELOC_ARM_LDR_PC_G2 -@deffnx {} BFD_RELOC_ARM_LDRS_PC_G0 -@deffnx {} BFD_RELOC_ARM_LDRS_PC_G1 -@deffnx {} BFD_RELOC_ARM_LDRS_PC_G2 -@deffnx {} BFD_RELOC_ARM_LDC_PC_G0 -@deffnx {} BFD_RELOC_ARM_LDC_PC_G1 -@deffnx {} BFD_RELOC_ARM_LDC_PC_G2 -@deffnx {} BFD_RELOC_ARM_ALU_SB_G0_NC -@deffnx {} BFD_RELOC_ARM_ALU_SB_G0 -@deffnx {} BFD_RELOC_ARM_ALU_SB_G1_NC -@deffnx {} BFD_RELOC_ARM_ALU_SB_G1 -@deffnx {} BFD_RELOC_ARM_ALU_SB_G2 -@deffnx {} BFD_RELOC_ARM_LDR_SB_G0 -@deffnx {} BFD_RELOC_ARM_LDR_SB_G1 -@deffnx {} BFD_RELOC_ARM_LDR_SB_G2 -@deffnx {} BFD_RELOC_ARM_LDRS_SB_G0 -@deffnx {} BFD_RELOC_ARM_LDRS_SB_G1 -@deffnx {} BFD_RELOC_ARM_LDRS_SB_G2 -@deffnx {} BFD_RELOC_ARM_LDC_SB_G0 -@deffnx {} BFD_RELOC_ARM_LDC_SB_G1 -@deffnx {} BFD_RELOC_ARM_LDC_SB_G2 -ARM group relocations. -@end deffn -@deffn {} BFD_RELOC_ARM_V4BX -Annotation of BX instructions. -@end deffn -@deffn {} BFD_RELOC_ARM_IMMEDIATE -@deffnx {} BFD_RELOC_ARM_ADRL_IMMEDIATE -@deffnx {} BFD_RELOC_ARM_T32_IMMEDIATE -@deffnx {} BFD_RELOC_ARM_T32_ADD_IMM -@deffnx {} BFD_RELOC_ARM_T32_IMM12 -@deffnx {} BFD_RELOC_ARM_T32_ADD_PC12 -@deffnx {} BFD_RELOC_ARM_SHIFT_IMM -@deffnx {} BFD_RELOC_ARM_SMC -@deffnx {} BFD_RELOC_ARM_SWI -@deffnx {} BFD_RELOC_ARM_MULTI -@deffnx {} BFD_RELOC_ARM_CP_OFF_IMM -@deffnx {} BFD_RELOC_ARM_CP_OFF_IMM_S2 -@deffnx {} BFD_RELOC_ARM_T32_CP_OFF_IMM -@deffnx {} BFD_RELOC_ARM_T32_CP_OFF_IMM_S2 -@deffnx {} BFD_RELOC_ARM_ADR_IMM -@deffnx {} BFD_RELOC_ARM_LDR_IMM -@deffnx {} BFD_RELOC_ARM_LITERAL -@deffnx {} BFD_RELOC_ARM_IN_POOL -@deffnx {} BFD_RELOC_ARM_OFFSET_IMM8 -@deffnx {} BFD_RELOC_ARM_T32_OFFSET_U8 -@deffnx {} BFD_RELOC_ARM_T32_OFFSET_IMM -@deffnx {} BFD_RELOC_ARM_HWLITERAL -@deffnx {} BFD_RELOC_ARM_THUMB_ADD -@deffnx {} BFD_RELOC_ARM_THUMB_IMM -@deffnx {} BFD_RELOC_ARM_THUMB_SHIFT -These relocs are only used within the ARM assembler. They are not -(at present) written to any object files. -@end deffn -@deffn {} BFD_RELOC_SH_PCDISP8BY2 -@deffnx {} BFD_RELOC_SH_PCDISP12BY2 -@deffnx {} BFD_RELOC_SH_IMM3 -@deffnx {} BFD_RELOC_SH_IMM3U -@deffnx {} BFD_RELOC_SH_DISP12 -@deffnx {} BFD_RELOC_SH_DISP12BY2 -@deffnx {} BFD_RELOC_SH_DISP12BY4 -@deffnx {} BFD_RELOC_SH_DISP12BY8 -@deffnx {} BFD_RELOC_SH_DISP20 -@deffnx {} BFD_RELOC_SH_DISP20BY8 -@deffnx {} BFD_RELOC_SH_IMM4 -@deffnx {} BFD_RELOC_SH_IMM4BY2 -@deffnx {} BFD_RELOC_SH_IMM4BY4 -@deffnx {} BFD_RELOC_SH_IMM8 -@deffnx {} BFD_RELOC_SH_IMM8BY2 -@deffnx {} BFD_RELOC_SH_IMM8BY4 -@deffnx {} BFD_RELOC_SH_PCRELIMM8BY2 -@deffnx {} BFD_RELOC_SH_PCRELIMM8BY4 -@deffnx {} BFD_RELOC_SH_SWITCH16 -@deffnx {} BFD_RELOC_SH_SWITCH32 -@deffnx {} BFD_RELOC_SH_USES -@deffnx {} BFD_RELOC_SH_COUNT -@deffnx {} BFD_RELOC_SH_ALIGN -@deffnx {} BFD_RELOC_SH_CODE -@deffnx {} BFD_RELOC_SH_DATA -@deffnx {} BFD_RELOC_SH_LABEL -@deffnx {} BFD_RELOC_SH_LOOP_START -@deffnx {} BFD_RELOC_SH_LOOP_END -@deffnx {} BFD_RELOC_SH_COPY -@deffnx {} BFD_RELOC_SH_GLOB_DAT -@deffnx {} BFD_RELOC_SH_JMP_SLOT -@deffnx {} BFD_RELOC_SH_RELATIVE -@deffnx {} BFD_RELOC_SH_GOTPC -@deffnx {} BFD_RELOC_SH_GOT_LOW16 -@deffnx {} BFD_RELOC_SH_GOT_MEDLOW16 -@deffnx {} BFD_RELOC_SH_GOT_MEDHI16 -@deffnx {} BFD_RELOC_SH_GOT_HI16 -@deffnx {} BFD_RELOC_SH_GOTPLT_LOW16 -@deffnx {} BFD_RELOC_SH_GOTPLT_MEDLOW16 -@deffnx {} BFD_RELOC_SH_GOTPLT_MEDHI16 -@deffnx {} BFD_RELOC_SH_GOTPLT_HI16 -@deffnx {} BFD_RELOC_SH_PLT_LOW16 -@deffnx {} BFD_RELOC_SH_PLT_MEDLOW16 -@deffnx {} BFD_RELOC_SH_PLT_MEDHI16 -@deffnx {} BFD_RELOC_SH_PLT_HI16 -@deffnx {} BFD_RELOC_SH_GOTOFF_LOW16 -@deffnx {} BFD_RELOC_SH_GOTOFF_MEDLOW16 -@deffnx {} BFD_RELOC_SH_GOTOFF_MEDHI16 -@deffnx {} BFD_RELOC_SH_GOTOFF_HI16 -@deffnx {} BFD_RELOC_SH_GOTPC_LOW16 -@deffnx {} BFD_RELOC_SH_GOTPC_MEDLOW16 -@deffnx {} BFD_RELOC_SH_GOTPC_MEDHI16 -@deffnx {} BFD_RELOC_SH_GOTPC_HI16 -@deffnx {} BFD_RELOC_SH_COPY64 -@deffnx {} BFD_RELOC_SH_GLOB_DAT64 -@deffnx {} BFD_RELOC_SH_JMP_SLOT64 -@deffnx {} BFD_RELOC_SH_RELATIVE64 -@deffnx {} BFD_RELOC_SH_GOT10BY4 -@deffnx {} BFD_RELOC_SH_GOT10BY8 -@deffnx {} BFD_RELOC_SH_GOTPLT10BY4 -@deffnx {} BFD_RELOC_SH_GOTPLT10BY8 -@deffnx {} BFD_RELOC_SH_GOTPLT32 -@deffnx {} BFD_RELOC_SH_SHMEDIA_CODE -@deffnx {} BFD_RELOC_SH_IMMU5 -@deffnx {} BFD_RELOC_SH_IMMS6 -@deffnx {} BFD_RELOC_SH_IMMS6BY32 -@deffnx {} BFD_RELOC_SH_IMMU6 -@deffnx {} BFD_RELOC_SH_IMMS10 -@deffnx {} BFD_RELOC_SH_IMMS10BY2 -@deffnx {} BFD_RELOC_SH_IMMS10BY4 -@deffnx {} BFD_RELOC_SH_IMMS10BY8 -@deffnx {} BFD_RELOC_SH_IMMS16 -@deffnx {} BFD_RELOC_SH_IMMU16 -@deffnx {} BFD_RELOC_SH_IMM_LOW16 -@deffnx {} BFD_RELOC_SH_IMM_LOW16_PCREL -@deffnx {} BFD_RELOC_SH_IMM_MEDLOW16 -@deffnx {} BFD_RELOC_SH_IMM_MEDLOW16_PCREL -@deffnx {} BFD_RELOC_SH_IMM_MEDHI16 -@deffnx {} BFD_RELOC_SH_IMM_MEDHI16_PCREL -@deffnx {} BFD_RELOC_SH_IMM_HI16 -@deffnx {} BFD_RELOC_SH_IMM_HI16_PCREL -@deffnx {} BFD_RELOC_SH_PT_16 -@deffnx {} BFD_RELOC_SH_TLS_GD_32 -@deffnx {} BFD_RELOC_SH_TLS_LD_32 -@deffnx {} BFD_RELOC_SH_TLS_LDO_32 -@deffnx {} BFD_RELOC_SH_TLS_IE_32 -@deffnx {} BFD_RELOC_SH_TLS_LE_32 -@deffnx {} BFD_RELOC_SH_TLS_DTPMOD32 -@deffnx {} BFD_RELOC_SH_TLS_DTPOFF32 -@deffnx {} BFD_RELOC_SH_TLS_TPOFF32 -Renesas / SuperH SH relocs. Not all of these appear in object files. -@end deffn -@deffn {} BFD_RELOC_ARC_B22_PCREL -ARC Cores relocs. -ARC 22 bit pc-relative branch. The lowest two bits must be zero and are -not stored in the instruction. The high 20 bits are installed in bits 26 -through 7 of the instruction. -@end deffn -@deffn {} BFD_RELOC_ARC_B26 -ARC 26 bit absolute branch. The lowest two bits must be zero and are not -stored in the instruction. The high 24 bits are installed in bits 23 -through 0. -@end deffn -@deffn {} BFD_RELOC_BFIN_16_IMM -ADI Blackfin 16 bit immediate absolute reloc. -@end deffn -@deffn {} BFD_RELOC_BFIN_16_HIGH -ADI Blackfin 16 bit immediate absolute reloc higher 16 bits. -@end deffn -@deffn {} BFD_RELOC_BFIN_4_PCREL -ADI Blackfin 'a' part of LSETUP. -@end deffn -@deffn {} BFD_RELOC_BFIN_5_PCREL -ADI Blackfin. -@end deffn -@deffn {} BFD_RELOC_BFIN_16_LOW -ADI Blackfin 16 bit immediate absolute reloc lower 16 bits. -@end deffn -@deffn {} BFD_RELOC_BFIN_10_PCREL -ADI Blackfin. -@end deffn -@deffn {} BFD_RELOC_BFIN_11_PCREL -ADI Blackfin 'b' part of LSETUP. -@end deffn -@deffn {} BFD_RELOC_BFIN_12_PCREL_JUMP -ADI Blackfin. -@end deffn -@deffn {} BFD_RELOC_BFIN_12_PCREL_JUMP_S -ADI Blackfin Short jump, pcrel. -@end deffn -@deffn {} BFD_RELOC_BFIN_24_PCREL_CALL_X -ADI Blackfin Call.x not implemented. -@end deffn -@deffn {} BFD_RELOC_BFIN_24_PCREL_JUMP_L -ADI Blackfin Long Jump pcrel. -@end deffn -@deffn {} BFD_RELOC_BFIN_GOT17M4 -@deffnx {} BFD_RELOC_BFIN_GOTHI -@deffnx {} BFD_RELOC_BFIN_GOTLO -@deffnx {} BFD_RELOC_BFIN_FUNCDESC -@deffnx {} BFD_RELOC_BFIN_FUNCDESC_GOT17M4 -@deffnx {} BFD_RELOC_BFIN_FUNCDESC_GOTHI -@deffnx {} BFD_RELOC_BFIN_FUNCDESC_GOTLO -@deffnx {} BFD_RELOC_BFIN_FUNCDESC_VALUE -@deffnx {} BFD_RELOC_BFIN_FUNCDESC_GOTOFF17M4 -@deffnx {} BFD_RELOC_BFIN_FUNCDESC_GOTOFFHI -@deffnx {} BFD_RELOC_BFIN_FUNCDESC_GOTOFFLO -@deffnx {} BFD_RELOC_BFIN_GOTOFF17M4 -@deffnx {} BFD_RELOC_BFIN_GOTOFFHI -@deffnx {} BFD_RELOC_BFIN_GOTOFFLO -ADI Blackfin FD-PIC relocations. -@end deffn -@deffn {} BFD_RELOC_BFIN_GOT -ADI Blackfin GOT relocation. -@end deffn -@deffn {} BFD_RELOC_BFIN_PLTPC -ADI Blackfin PLTPC relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_PUSH -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_CONST -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_ADD -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_SUB -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_MULT -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_DIV -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_MOD -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_LSHIFT -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_RSHIFT -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_AND -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_OR -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_XOR -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_LAND -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_LOR -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_LEN -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_NEG -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_COMP -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_PAGE -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_HWPAGE -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_ARELOC_BFIN_ADDR -ADI Blackfin arithmetic relocation. -@end deffn -@deffn {} BFD_RELOC_D10V_10_PCREL_R -Mitsubishi D10V relocs. -This is a 10-bit reloc with the right 2 bits -assumed to be 0. -@end deffn -@deffn {} BFD_RELOC_D10V_10_PCREL_L -Mitsubishi D10V relocs. -This is a 10-bit reloc with the right 2 bits -assumed to be 0. This is the same as the previous reloc -except it is in the left container, i.e., -shifted left 15 bits. -@end deffn -@deffn {} BFD_RELOC_D10V_18 -This is an 18-bit reloc with the right 2 bits -assumed to be 0. -@end deffn -@deffn {} BFD_RELOC_D10V_18_PCREL -This is an 18-bit reloc with the right 2 bits -assumed to be 0. -@end deffn -@deffn {} BFD_RELOC_D30V_6 -Mitsubishi D30V relocs. -This is a 6-bit absolute reloc. -@end deffn -@deffn {} BFD_RELOC_D30V_9_PCREL -This is a 6-bit pc-relative reloc with -the right 3 bits assumed to be 0. -@end deffn -@deffn {} BFD_RELOC_D30V_9_PCREL_R -This is a 6-bit pc-relative reloc with -the right 3 bits assumed to be 0. Same -as the previous reloc but on the right side -of the container. -@end deffn -@deffn {} BFD_RELOC_D30V_15 -This is a 12-bit absolute reloc with the -right 3 bitsassumed to be 0. -@end deffn -@deffn {} BFD_RELOC_D30V_15_PCREL -This is a 12-bit pc-relative reloc with -the right 3 bits assumed to be 0. -@end deffn -@deffn {} BFD_RELOC_D30V_15_PCREL_R -This is a 12-bit pc-relative reloc with -the right 3 bits assumed to be 0. Same -as the previous reloc but on the right side -of the container. -@end deffn -@deffn {} BFD_RELOC_D30V_21 -This is an 18-bit absolute reloc with -the right 3 bits assumed to be 0. -@end deffn -@deffn {} BFD_RELOC_D30V_21_PCREL -This is an 18-bit pc-relative reloc with -the right 3 bits assumed to be 0. -@end deffn -@deffn {} BFD_RELOC_D30V_21_PCREL_R -This is an 18-bit pc-relative reloc with -the right 3 bits assumed to be 0. Same -as the previous reloc but on the right side -of the container. -@end deffn -@deffn {} BFD_RELOC_D30V_32 -This is a 32-bit absolute reloc. -@end deffn -@deffn {} BFD_RELOC_D30V_32_PCREL -This is a 32-bit pc-relative reloc. -@end deffn -@deffn {} BFD_RELOC_DLX_HI16_S -DLX relocs -@end deffn -@deffn {} BFD_RELOC_DLX_LO16 -DLX relocs -@end deffn -@deffn {} BFD_RELOC_DLX_JMP26 -DLX relocs -@end deffn -@deffn {} BFD_RELOC_M32C_HI8 -@deffnx {} BFD_RELOC_M32C_RL_JUMP -@deffnx {} BFD_RELOC_M32C_RL_1ADDR -@deffnx {} BFD_RELOC_M32C_RL_2ADDR -Renesas M16C/M32C Relocations. -@end deffn -@deffn {} BFD_RELOC_M32R_24 -Renesas M32R (formerly Mitsubishi M32R) relocs. -This is a 24 bit absolute address. -@end deffn -@deffn {} BFD_RELOC_M32R_10_PCREL -This is a 10-bit pc-relative reloc with the right 2 bits assumed to be 0. -@end deffn -@deffn {} BFD_RELOC_M32R_18_PCREL -This is an 18-bit reloc with the right 2 bits assumed to be 0. -@end deffn -@deffn {} BFD_RELOC_M32R_26_PCREL -This is a 26-bit reloc with the right 2 bits assumed to be 0. -@end deffn -@deffn {} BFD_RELOC_M32R_HI16_ULO -This is a 16-bit reloc containing the high 16 bits of an address -used when the lower 16 bits are treated as unsigned. -@end deffn -@deffn {} BFD_RELOC_M32R_HI16_SLO -This is a 16-bit reloc containing the high 16 bits of an address -used when the lower 16 bits are treated as signed. -@end deffn -@deffn {} BFD_RELOC_M32R_LO16 -This is a 16-bit reloc containing the lower 16 bits of an address. -@end deffn -@deffn {} BFD_RELOC_M32R_SDA16 -This is a 16-bit reloc containing the small data area offset for use in -add3, load, and store instructions. -@end deffn -@deffn {} BFD_RELOC_M32R_GOT24 -@deffnx {} BFD_RELOC_M32R_26_PLTREL -@deffnx {} BFD_RELOC_M32R_COPY -@deffnx {} BFD_RELOC_M32R_GLOB_DAT -@deffnx {} BFD_RELOC_M32R_JMP_SLOT -@deffnx {} BFD_RELOC_M32R_RELATIVE -@deffnx {} BFD_RELOC_M32R_GOTOFF -@deffnx {} BFD_RELOC_M32R_GOTOFF_HI_ULO -@deffnx {} BFD_RELOC_M32R_GOTOFF_HI_SLO -@deffnx {} BFD_RELOC_M32R_GOTOFF_LO -@deffnx {} BFD_RELOC_M32R_GOTPC24 -@deffnx {} BFD_RELOC_M32R_GOT16_HI_ULO -@deffnx {} BFD_RELOC_M32R_GOT16_HI_SLO -@deffnx {} BFD_RELOC_M32R_GOT16_LO -@deffnx {} BFD_RELOC_M32R_GOTPC_HI_ULO -@deffnx {} BFD_RELOC_M32R_GOTPC_HI_SLO -@deffnx {} BFD_RELOC_M32R_GOTPC_LO -For PIC. -@end deffn -@deffn {} BFD_RELOC_V850_9_PCREL -This is a 9-bit reloc -@end deffn -@deffn {} BFD_RELOC_V850_22_PCREL -This is a 22-bit reloc -@end deffn -@deffn {} BFD_RELOC_V850_SDA_16_16_OFFSET -This is a 16 bit offset from the short data area pointer. -@end deffn -@deffn {} BFD_RELOC_V850_SDA_15_16_OFFSET -This is a 16 bit offset (of which only 15 bits are used) from the -short data area pointer. -@end deffn -@deffn {} BFD_RELOC_V850_ZDA_16_16_OFFSET -This is a 16 bit offset from the zero data area pointer. -@end deffn -@deffn {} BFD_RELOC_V850_ZDA_15_16_OFFSET -This is a 16 bit offset (of which only 15 bits are used) from the -zero data area pointer. -@end deffn -@deffn {} BFD_RELOC_V850_TDA_6_8_OFFSET -This is an 8 bit offset (of which only 6 bits are used) from the -tiny data area pointer. -@end deffn -@deffn {} BFD_RELOC_V850_TDA_7_8_OFFSET -This is an 8bit offset (of which only 7 bits are used) from the tiny -data area pointer. -@end deffn -@deffn {} BFD_RELOC_V850_TDA_7_7_OFFSET -This is a 7 bit offset from the tiny data area pointer. -@end deffn -@deffn {} BFD_RELOC_V850_TDA_16_16_OFFSET -This is a 16 bit offset from the tiny data area pointer. -@end deffn -@deffn {} BFD_RELOC_V850_TDA_4_5_OFFSET -This is a 5 bit offset (of which only 4 bits are used) from the tiny -data area pointer. -@end deffn -@deffn {} BFD_RELOC_V850_TDA_4_4_OFFSET -This is a 4 bit offset from the tiny data area pointer. -@end deffn -@deffn {} BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET -This is a 16 bit offset from the short data area pointer, with the -bits placed non-contiguously in the instruction. -@end deffn -@deffn {} BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET -This is a 16 bit offset from the zero data area pointer, with the -bits placed non-contiguously in the instruction. -@end deffn -@deffn {} BFD_RELOC_V850_CALLT_6_7_OFFSET -This is a 6 bit offset from the call table base pointer. -@end deffn -@deffn {} BFD_RELOC_V850_CALLT_16_16_OFFSET -This is a 16 bit offset from the call table base pointer. -@end deffn -@deffn {} BFD_RELOC_V850_LONGCALL -Used for relaxing indirect function calls. -@end deffn -@deffn {} BFD_RELOC_V850_LONGJUMP -Used for relaxing indirect jumps. -@end deffn -@deffn {} BFD_RELOC_V850_ALIGN -Used to maintain alignment whilst relaxing. -@end deffn -@deffn {} BFD_RELOC_V850_LO16_SPLIT_OFFSET -This is a variation of BFD_RELOC_LO16 that can be used in v850e ld.bu -instructions. -@end deffn -@deffn {} BFD_RELOC_MN10300_32_PCREL -This is a 32bit pcrel reloc for the mn10300, offset by two bytes in the -instruction. -@end deffn -@deffn {} BFD_RELOC_MN10300_16_PCREL -This is a 16bit pcrel reloc for the mn10300, offset by two bytes in the -instruction. -@end deffn -@deffn {} BFD_RELOC_TIC30_LDP -This is a 8bit DP reloc for the tms320c30, where the most -significant 8 bits of a 24 bit word are placed into the least -significant 8 bits of the opcode. -@end deffn -@deffn {} BFD_RELOC_TIC54X_PARTLS7 -This is a 7bit reloc for the tms320c54x, where the least -significant 7 bits of a 16 bit word are placed into the least -significant 7 bits of the opcode. -@end deffn -@deffn {} BFD_RELOC_TIC54X_PARTMS9 -This is a 9bit DP reloc for the tms320c54x, where the most -significant 9 bits of a 16 bit word are placed into the least -significant 9 bits of the opcode. -@end deffn -@deffn {} BFD_RELOC_TIC54X_23 -This is an extended address 23-bit reloc for the tms320c54x. -@end deffn -@deffn {} BFD_RELOC_TIC54X_16_OF_23 -This is a 16-bit reloc for the tms320c54x, where the least -significant 16 bits of a 23-bit extended address are placed into -the opcode. -@end deffn -@deffn {} BFD_RELOC_TIC54X_MS7_OF_23 -This is a reloc for the tms320c54x, where the most -significant 7 bits of a 23-bit extended address are placed into -the opcode. -@end deffn -@deffn {} BFD_RELOC_FR30_48 -This is a 48 bit reloc for the FR30 that stores 32 bits. -@end deffn -@deffn {} BFD_RELOC_FR30_20 -This is a 32 bit reloc for the FR30 that stores 20 bits split up into -two sections. -@end deffn -@deffn {} BFD_RELOC_FR30_6_IN_4 -This is a 16 bit reloc for the FR30 that stores a 6 bit word offset in -4 bits. -@end deffn -@deffn {} BFD_RELOC_FR30_8_IN_8 -This is a 16 bit reloc for the FR30 that stores an 8 bit byte offset -into 8 bits. -@end deffn -@deffn {} BFD_RELOC_FR30_9_IN_8 -This is a 16 bit reloc for the FR30 that stores a 9 bit short offset -into 8 bits. -@end deffn -@deffn {} BFD_RELOC_FR30_10_IN_8 -This is a 16 bit reloc for the FR30 that stores a 10 bit word offset -into 8 bits. -@end deffn -@deffn {} BFD_RELOC_FR30_9_PCREL -This is a 16 bit reloc for the FR30 that stores a 9 bit pc relative -short offset into 8 bits. -@end deffn -@deffn {} BFD_RELOC_FR30_12_PCREL -This is a 16 bit reloc for the FR30 that stores a 12 bit pc relative -short offset into 11 bits. -@end deffn -@deffn {} BFD_RELOC_MCORE_PCREL_IMM8BY4 -@deffnx {} BFD_RELOC_MCORE_PCREL_IMM11BY2 -@deffnx {} BFD_RELOC_MCORE_PCREL_IMM4BY2 -@deffnx {} BFD_RELOC_MCORE_PCREL_32 -@deffnx {} BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2 -@deffnx {} BFD_RELOC_MCORE_RVA -Motorola Mcore relocations. -@end deffn -@deffn {} BFD_RELOC_MEP_8 -@deffnx {} BFD_RELOC_MEP_16 -@deffnx {} BFD_RELOC_MEP_32 -@deffnx {} BFD_RELOC_MEP_PCREL8A2 -@deffnx {} BFD_RELOC_MEP_PCREL12A2 -@deffnx {} BFD_RELOC_MEP_PCREL17A2 -@deffnx {} BFD_RELOC_MEP_PCREL24A2 -@deffnx {} BFD_RELOC_MEP_PCABS24A2 -@deffnx {} BFD_RELOC_MEP_LOW16 -@deffnx {} BFD_RELOC_MEP_HI16U -@deffnx {} BFD_RELOC_MEP_HI16S -@deffnx {} BFD_RELOC_MEP_GPREL -@deffnx {} BFD_RELOC_MEP_TPREL -@deffnx {} BFD_RELOC_MEP_TPREL7 -@deffnx {} BFD_RELOC_MEP_TPREL7A2 -@deffnx {} BFD_RELOC_MEP_TPREL7A4 -@deffnx {} BFD_RELOC_MEP_UIMM24 -@deffnx {} BFD_RELOC_MEP_ADDR24A4 -@deffnx {} BFD_RELOC_MEP_GNU_VTINHERIT -@deffnx {} BFD_RELOC_MEP_GNU_VTENTRY -Toshiba Media Processor Relocations. -@end deffn -@deffn {} BFD_RELOC_MMIX_GETA -@deffnx {} BFD_RELOC_MMIX_GETA_1 -@deffnx {} BFD_RELOC_MMIX_GETA_2 -@deffnx {} BFD_RELOC_MMIX_GETA_3 -These are relocations for the GETA instruction. -@end deffn -@deffn {} BFD_RELOC_MMIX_CBRANCH -@deffnx {} BFD_RELOC_MMIX_CBRANCH_J -@deffnx {} BFD_RELOC_MMIX_CBRANCH_1 -@deffnx {} BFD_RELOC_MMIX_CBRANCH_2 -@deffnx {} BFD_RELOC_MMIX_CBRANCH_3 -These are relocations for a conditional branch instruction. -@end deffn -@deffn {} BFD_RELOC_MMIX_PUSHJ -@deffnx {} BFD_RELOC_MMIX_PUSHJ_1 -@deffnx {} BFD_RELOC_MMIX_PUSHJ_2 -@deffnx {} BFD_RELOC_MMIX_PUSHJ_3 -@deffnx {} BFD_RELOC_MMIX_PUSHJ_STUBBABLE -These are relocations for the PUSHJ instruction. -@end deffn -@deffn {} BFD_RELOC_MMIX_JMP -@deffnx {} BFD_RELOC_MMIX_JMP_1 -@deffnx {} BFD_RELOC_MMIX_JMP_2 -@deffnx {} BFD_RELOC_MMIX_JMP_3 -These are relocations for the JMP instruction. -@end deffn -@deffn {} BFD_RELOC_MMIX_ADDR19 -This is a relocation for a relative address as in a GETA instruction or -a branch. -@end deffn -@deffn {} BFD_RELOC_MMIX_ADDR27 -This is a relocation for a relative address as in a JMP instruction. -@end deffn -@deffn {} BFD_RELOC_MMIX_REG_OR_BYTE -This is a relocation for an instruction field that may be a general -register or a value 0..255. -@end deffn -@deffn {} BFD_RELOC_MMIX_REG -This is a relocation for an instruction field that may be a general -register. -@end deffn -@deffn {} BFD_RELOC_MMIX_BASE_PLUS_OFFSET -This is a relocation for two instruction fields holding a register and -an offset, the equivalent of the relocation. -@end deffn -@deffn {} BFD_RELOC_MMIX_LOCAL -This relocation is an assertion that the expression is not allocated as -a global register. It does not modify contents. -@end deffn -@deffn {} BFD_RELOC_AVR_7_PCREL -This is a 16 bit reloc for the AVR that stores 8 bit pc relative -short offset into 7 bits. -@end deffn -@deffn {} BFD_RELOC_AVR_13_PCREL -This is a 16 bit reloc for the AVR that stores 13 bit pc relative -short offset into 12 bits. -@end deffn -@deffn {} BFD_RELOC_AVR_16_PM -This is a 16 bit reloc for the AVR that stores 17 bit value (usually -program memory address) into 16 bits. -@end deffn -@deffn {} BFD_RELOC_AVR_LO8_LDI -This is a 16 bit reloc for the AVR that stores 8 bit value (usually -data memory address) into 8 bit immediate value of LDI insn. -@end deffn -@deffn {} BFD_RELOC_AVR_HI8_LDI -This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit -of data memory address) into 8 bit immediate value of LDI insn. -@end deffn -@deffn {} BFD_RELOC_AVR_HH8_LDI -This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit -of program memory address) into 8 bit immediate value of LDI insn. -@end deffn -@deffn {} BFD_RELOC_AVR_MS8_LDI -This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit -of 32 bit value) into 8 bit immediate value of LDI insn. -@end deffn -@deffn {} BFD_RELOC_AVR_LO8_LDI_NEG -This is a 16 bit reloc for the AVR that stores negated 8 bit value -(usually data memory address) into 8 bit immediate value of SUBI insn. -@end deffn -@deffn {} BFD_RELOC_AVR_HI8_LDI_NEG -This is a 16 bit reloc for the AVR that stores negated 8 bit value -(high 8 bit of data memory address) into 8 bit immediate value of -SUBI insn. -@end deffn -@deffn {} BFD_RELOC_AVR_HH8_LDI_NEG -This is a 16 bit reloc for the AVR that stores negated 8 bit value -(most high 8 bit of program memory address) into 8 bit immediate value -of LDI or SUBI insn. -@end deffn -@deffn {} BFD_RELOC_AVR_MS8_LDI_NEG -This is a 16 bit reloc for the AVR that stores negated 8 bit value (msb -of 32 bit value) into 8 bit immediate value of LDI insn. -@end deffn -@deffn {} BFD_RELOC_AVR_LO8_LDI_PM -This is a 16 bit reloc for the AVR that stores 8 bit value (usually -command address) into 8 bit immediate value of LDI insn. -@end deffn -@deffn {} BFD_RELOC_AVR_LO8_LDI_GS -This is a 16 bit reloc for the AVR that stores 8 bit value -(command address) into 8 bit immediate value of LDI insn. If the address -is beyond the 128k boundary, the linker inserts a jump stub for this reloc -in the lower 128k. -@end deffn -@deffn {} BFD_RELOC_AVR_HI8_LDI_PM -This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit -of command address) into 8 bit immediate value of LDI insn. -@end deffn -@deffn {} BFD_RELOC_AVR_HI8_LDI_GS -This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 bit -of command address) into 8 bit immediate value of LDI insn. If the address -is beyond the 128k boundary, the linker inserts a jump stub for this reloc -below 128k. -@end deffn -@deffn {} BFD_RELOC_AVR_HH8_LDI_PM -This is a 16 bit reloc for the AVR that stores 8 bit value (most high 8 bit -of command address) into 8 bit immediate value of LDI insn. -@end deffn -@deffn {} BFD_RELOC_AVR_LO8_LDI_PM_NEG -This is a 16 bit reloc for the AVR that stores negated 8 bit value -(usually command address) into 8 bit immediate value of SUBI insn. -@end deffn -@deffn {} BFD_RELOC_AVR_HI8_LDI_PM_NEG -This is a 16 bit reloc for the AVR that stores negated 8 bit value -(high 8 bit of 16 bit command address) into 8 bit immediate value -of SUBI insn. -@end deffn -@deffn {} BFD_RELOC_AVR_HH8_LDI_PM_NEG -This is a 16 bit reloc for the AVR that stores negated 8 bit value -(high 6 bit of 22 bit command address) into 8 bit immediate -value of SUBI insn. -@end deffn -@deffn {} BFD_RELOC_AVR_CALL -This is a 32 bit reloc for the AVR that stores 23 bit value -into 22 bits. -@end deffn -@deffn {} BFD_RELOC_AVR_LDI -This is a 16 bit reloc for the AVR that stores all needed bits -for absolute addressing with ldi with overflow check to linktime -@end deffn -@deffn {} BFD_RELOC_AVR_6 -This is a 6 bit reloc for the AVR that stores offset for ldd/std -instructions -@end deffn -@deffn {} BFD_RELOC_AVR_6_ADIW -This is a 6 bit reloc for the AVR that stores offset for adiw/sbiw -instructions -@end deffn -@deffn {} BFD_RELOC_390_12 -Direct 12 bit. -@end deffn -@deffn {} BFD_RELOC_390_GOT12 -12 bit GOT offset. -@end deffn -@deffn {} BFD_RELOC_390_PLT32 -32 bit PC relative PLT address. -@end deffn -@deffn {} BFD_RELOC_390_COPY -Copy symbol at runtime. -@end deffn -@deffn {} BFD_RELOC_390_GLOB_DAT -Create GOT entry. -@end deffn -@deffn {} BFD_RELOC_390_JMP_SLOT -Create PLT entry. -@end deffn -@deffn {} BFD_RELOC_390_RELATIVE -Adjust by program base. -@end deffn -@deffn {} BFD_RELOC_390_GOTPC -32 bit PC relative offset to GOT. -@end deffn -@deffn {} BFD_RELOC_390_GOT16 -16 bit GOT offset. -@end deffn -@deffn {} BFD_RELOC_390_PC16DBL -PC relative 16 bit shifted by 1. -@end deffn -@deffn {} BFD_RELOC_390_PLT16DBL -16 bit PC rel. PLT shifted by 1. -@end deffn -@deffn {} BFD_RELOC_390_PC32DBL -PC relative 32 bit shifted by 1. -@end deffn -@deffn {} BFD_RELOC_390_PLT32DBL -32 bit PC rel. PLT shifted by 1. -@end deffn -@deffn {} BFD_RELOC_390_GOTPCDBL -32 bit PC rel. GOT shifted by 1. -@end deffn -@deffn {} BFD_RELOC_390_GOT64 -64 bit GOT offset. -@end deffn -@deffn {} BFD_RELOC_390_PLT64 -64 bit PC relative PLT address. -@end deffn -@deffn {} BFD_RELOC_390_GOTENT -32 bit rel. offset to GOT entry. -@end deffn -@deffn {} BFD_RELOC_390_GOTOFF64 -64 bit offset to GOT. -@end deffn -@deffn {} BFD_RELOC_390_GOTPLT12 -12-bit offset to symbol-entry within GOT, with PLT handling. -@end deffn -@deffn {} BFD_RELOC_390_GOTPLT16 -16-bit offset to symbol-entry within GOT, with PLT handling. -@end deffn -@deffn {} BFD_RELOC_390_GOTPLT32 -32-bit offset to symbol-entry within GOT, with PLT handling. -@end deffn -@deffn {} BFD_RELOC_390_GOTPLT64 -64-bit offset to symbol-entry within GOT, with PLT handling. -@end deffn -@deffn {} BFD_RELOC_390_GOTPLTENT -32-bit rel. offset to symbol-entry within GOT, with PLT handling. -@end deffn -@deffn {} BFD_RELOC_390_PLTOFF16 -16-bit rel. offset from the GOT to a PLT entry. -@end deffn -@deffn {} BFD_RELOC_390_PLTOFF32 -32-bit rel. offset from the GOT to a PLT entry. -@end deffn -@deffn {} BFD_RELOC_390_PLTOFF64 -64-bit rel. offset from the GOT to a PLT entry. -@end deffn -@deffn {} BFD_RELOC_390_TLS_LOAD -@deffnx {} BFD_RELOC_390_TLS_GDCALL -@deffnx {} BFD_RELOC_390_TLS_LDCALL -@deffnx {} BFD_RELOC_390_TLS_GD32 -@deffnx {} BFD_RELOC_390_TLS_GD64 -@deffnx {} BFD_RELOC_390_TLS_GOTIE12 -@deffnx {} BFD_RELOC_390_TLS_GOTIE32 -@deffnx {} BFD_RELOC_390_TLS_GOTIE64 -@deffnx {} BFD_RELOC_390_TLS_LDM32 -@deffnx {} BFD_RELOC_390_TLS_LDM64 -@deffnx {} BFD_RELOC_390_TLS_IE32 -@deffnx {} BFD_RELOC_390_TLS_IE64 -@deffnx {} BFD_RELOC_390_TLS_IEENT -@deffnx {} BFD_RELOC_390_TLS_LE32 -@deffnx {} BFD_RELOC_390_TLS_LE64 -@deffnx {} BFD_RELOC_390_TLS_LDO32 -@deffnx {} BFD_RELOC_390_TLS_LDO64 -@deffnx {} BFD_RELOC_390_TLS_DTPMOD -@deffnx {} BFD_RELOC_390_TLS_DTPOFF -@deffnx {} BFD_RELOC_390_TLS_TPOFF -s390 tls relocations. -@end deffn -@deffn {} BFD_RELOC_390_20 -@deffnx {} BFD_RELOC_390_GOT20 -@deffnx {} BFD_RELOC_390_GOTPLT20 -@deffnx {} BFD_RELOC_390_TLS_GOTIE20 -Long displacement extension. -@end deffn -@deffn {} BFD_RELOC_SCORE_GPREL15 -Score relocations -Low 16 bit for load/store -@end deffn -@deffn {} BFD_RELOC_SCORE_DUMMY2 -@deffnx {} BFD_RELOC_SCORE_JMP -This is a 24-bit reloc with the right 1 bit assumed to be 0 -@end deffn -@deffn {} BFD_RELOC_SCORE_BRANCH -This is a 19-bit reloc with the right 1 bit assumed to be 0 -@end deffn -@deffn {} BFD_RELOC_SCORE_IMM30 -This is a 32-bit reloc for 48-bit instructions. -@end deffn -@deffn {} BFD_RELOC_SCORE_IMM32 -This is a 32-bit reloc for 48-bit instructions. -@end deffn -@deffn {} BFD_RELOC_SCORE16_JMP -This is a 11-bit reloc with the right 1 bit assumed to be 0 -@end deffn -@deffn {} BFD_RELOC_SCORE16_BRANCH -This is a 8-bit reloc with the right 1 bit assumed to be 0 -@end deffn -@deffn {} BFD_RELOC_SCORE_BCMP -This is a 9-bit reloc with the right 1 bit assumed to be 0 -@end deffn -@deffn {} BFD_RELOC_SCORE_GOT15 -@deffnx {} BFD_RELOC_SCORE_GOT_LO16 -@deffnx {} BFD_RELOC_SCORE_CALL15 -@deffnx {} BFD_RELOC_SCORE_DUMMY_HI16 -Undocumented Score relocs -@end deffn -@deffn {} BFD_RELOC_IP2K_FR9 -Scenix IP2K - 9-bit register number / data address -@end deffn -@deffn {} BFD_RELOC_IP2K_BANK -Scenix IP2K - 4-bit register/data bank number -@end deffn -@deffn {} BFD_RELOC_IP2K_ADDR16CJP -Scenix IP2K - low 13 bits of instruction word address -@end deffn -@deffn {} BFD_RELOC_IP2K_PAGE3 -Scenix IP2K - high 3 bits of instruction word address -@end deffn -@deffn {} BFD_RELOC_IP2K_LO8DATA -@deffnx {} BFD_RELOC_IP2K_HI8DATA -@deffnx {} BFD_RELOC_IP2K_EX8DATA -Scenix IP2K - ext/low/high 8 bits of data address -@end deffn -@deffn {} BFD_RELOC_IP2K_LO8INSN -@deffnx {} BFD_RELOC_IP2K_HI8INSN -Scenix IP2K - low/high 8 bits of instruction word address -@end deffn -@deffn {} BFD_RELOC_IP2K_PC_SKIP -Scenix IP2K - even/odd PC modifier to modify snb pcl.0 -@end deffn -@deffn {} BFD_RELOC_IP2K_TEXT -Scenix IP2K - 16 bit word address in text section. -@end deffn -@deffn {} BFD_RELOC_IP2K_FR_OFFSET -Scenix IP2K - 7-bit sp or dp offset -@end deffn -@deffn {} BFD_RELOC_VPE4KMATH_DATA -@deffnx {} BFD_RELOC_VPE4KMATH_INSN -Scenix VPE4K coprocessor - data/insn-space addressing -@end deffn -@deffn {} BFD_RELOC_VTABLE_INHERIT -@deffnx {} BFD_RELOC_VTABLE_ENTRY -These two relocations are used by the linker to determine which of -the entries in a C++ virtual function table are actually used. When -the --gc-sections option is given, the linker will zero out the entries -that are not used, so that the code for those functions need not be -included in the output. - -VTABLE_INHERIT is a zero-space relocation used to describe to the -linker the inheritance tree of a C++ virtual function table. The -relocation's symbol should be the parent class' vtable, and the -relocation should be located at the child vtable. - -VTABLE_ENTRY is a zero-space relocation that describes the use of a -virtual function table entry. The reloc's symbol should refer to the -table of the class mentioned in the code. Off of that base, an offset -describes the entry that is being used. For Rela hosts, this offset -is stored in the reloc's addend. For Rel hosts, we are forced to put -this offset in the reloc's section offset. -@end deffn -@deffn {} BFD_RELOC_IA64_IMM14 -@deffnx {} BFD_RELOC_IA64_IMM22 -@deffnx {} BFD_RELOC_IA64_IMM64 -@deffnx {} BFD_RELOC_IA64_DIR32MSB -@deffnx {} BFD_RELOC_IA64_DIR32LSB -@deffnx {} BFD_RELOC_IA64_DIR64MSB -@deffnx {} BFD_RELOC_IA64_DIR64LSB -@deffnx {} BFD_RELOC_IA64_GPREL22 -@deffnx {} BFD_RELOC_IA64_GPREL64I -@deffnx {} BFD_RELOC_IA64_GPREL32MSB -@deffnx {} BFD_RELOC_IA64_GPREL32LSB -@deffnx {} BFD_RELOC_IA64_GPREL64MSB -@deffnx {} BFD_RELOC_IA64_GPREL64LSB -@deffnx {} BFD_RELOC_IA64_LTOFF22 -@deffnx {} BFD_RELOC_IA64_LTOFF64I -@deffnx {} BFD_RELOC_IA64_PLTOFF22 -@deffnx {} BFD_RELOC_IA64_PLTOFF64I -@deffnx {} BFD_RELOC_IA64_PLTOFF64MSB -@deffnx {} BFD_RELOC_IA64_PLTOFF64LSB -@deffnx {} BFD_RELOC_IA64_FPTR64I -@deffnx {} BFD_RELOC_IA64_FPTR32MSB -@deffnx {} BFD_RELOC_IA64_FPTR32LSB -@deffnx {} BFD_RELOC_IA64_FPTR64MSB -@deffnx {} BFD_RELOC_IA64_FPTR64LSB -@deffnx {} BFD_RELOC_IA64_PCREL21B -@deffnx {} BFD_RELOC_IA64_PCREL21BI -@deffnx {} BFD_RELOC_IA64_PCREL21M -@deffnx {} BFD_RELOC_IA64_PCREL21F -@deffnx {} BFD_RELOC_IA64_PCREL22 -@deffnx {} BFD_RELOC_IA64_PCREL60B -@deffnx {} BFD_RELOC_IA64_PCREL64I -@deffnx {} BFD_RELOC_IA64_PCREL32MSB -@deffnx {} BFD_RELOC_IA64_PCREL32LSB -@deffnx {} BFD_RELOC_IA64_PCREL64MSB -@deffnx {} BFD_RELOC_IA64_PCREL64LSB -@deffnx {} BFD_RELOC_IA64_LTOFF_FPTR22 -@deffnx {} BFD_RELOC_IA64_LTOFF_FPTR64I -@deffnx {} BFD_RELOC_IA64_LTOFF_FPTR32MSB -@deffnx {} BFD_RELOC_IA64_LTOFF_FPTR32LSB -@deffnx {} BFD_RELOC_IA64_LTOFF_FPTR64MSB -@deffnx {} BFD_RELOC_IA64_LTOFF_FPTR64LSB -@deffnx {} BFD_RELOC_IA64_SEGREL32MSB -@deffnx {} BFD_RELOC_IA64_SEGREL32LSB -@deffnx {} BFD_RELOC_IA64_SEGREL64MSB -@deffnx {} BFD_RELOC_IA64_SEGREL64LSB -@deffnx {} BFD_RELOC_IA64_SECREL32MSB -@deffnx {} BFD_RELOC_IA64_SECREL32LSB -@deffnx {} BFD_RELOC_IA64_SECREL64MSB -@deffnx {} BFD_RELOC_IA64_SECREL64LSB -@deffnx {} BFD_RELOC_IA64_REL32MSB -@deffnx {} BFD_RELOC_IA64_REL32LSB -@deffnx {} BFD_RELOC_IA64_REL64MSB -@deffnx {} BFD_RELOC_IA64_REL64LSB -@deffnx {} BFD_RELOC_IA64_LTV32MSB -@deffnx {} BFD_RELOC_IA64_LTV32LSB -@deffnx {} BFD_RELOC_IA64_LTV64MSB -@deffnx {} BFD_RELOC_IA64_LTV64LSB -@deffnx {} BFD_RELOC_IA64_IPLTMSB -@deffnx {} BFD_RELOC_IA64_IPLTLSB -@deffnx {} BFD_RELOC_IA64_COPY -@deffnx {} BFD_RELOC_IA64_LTOFF22X -@deffnx {} BFD_RELOC_IA64_LDXMOV -@deffnx {} BFD_RELOC_IA64_TPREL14 -@deffnx {} BFD_RELOC_IA64_TPREL22 -@deffnx {} BFD_RELOC_IA64_TPREL64I -@deffnx {} BFD_RELOC_IA64_TPREL64MSB -@deffnx {} BFD_RELOC_IA64_TPREL64LSB -@deffnx {} BFD_RELOC_IA64_LTOFF_TPREL22 -@deffnx {} BFD_RELOC_IA64_DTPMOD64MSB -@deffnx {} BFD_RELOC_IA64_DTPMOD64LSB -@deffnx {} BFD_RELOC_IA64_LTOFF_DTPMOD22 -@deffnx {} BFD_RELOC_IA64_DTPREL14 -@deffnx {} BFD_RELOC_IA64_DTPREL22 -@deffnx {} BFD_RELOC_IA64_DTPREL64I -@deffnx {} BFD_RELOC_IA64_DTPREL32MSB -@deffnx {} BFD_RELOC_IA64_DTPREL32LSB -@deffnx {} BFD_RELOC_IA64_DTPREL64MSB -@deffnx {} BFD_RELOC_IA64_DTPREL64LSB -@deffnx {} BFD_RELOC_IA64_LTOFF_DTPREL22 -Intel IA64 Relocations. -@end deffn -@deffn {} BFD_RELOC_M68HC11_HI8 -Motorola 68HC11 reloc. -This is the 8 bit high part of an absolute address. -@end deffn -@deffn {} BFD_RELOC_M68HC11_LO8 -Motorola 68HC11 reloc. -This is the 8 bit low part of an absolute address. -@end deffn -@deffn {} BFD_RELOC_M68HC11_3B -Motorola 68HC11 reloc. -This is the 3 bit of a value. -@end deffn -@deffn {} BFD_RELOC_M68HC11_RL_JUMP -Motorola 68HC11 reloc. -This reloc marks the beginning of a jump/call instruction. -It is used for linker relaxation to correctly identify beginning -of instruction and change some branches to use PC-relative -addressing mode. -@end deffn -@deffn {} BFD_RELOC_M68HC11_RL_GROUP -Motorola 68HC11 reloc. -This reloc marks a group of several instructions that gcc generates -and for which the linker relaxation pass can modify and/or remove -some of them. -@end deffn -@deffn {} BFD_RELOC_M68HC11_LO16 -Motorola 68HC11 reloc. -This is the 16-bit lower part of an address. It is used for 'call' -instruction to specify the symbol address without any special -transformation (due to memory bank window). -@end deffn -@deffn {} BFD_RELOC_M68HC11_PAGE -Motorola 68HC11 reloc. -This is a 8-bit reloc that specifies the page number of an address. -It is used by 'call' instruction to specify the page number of -the symbol. -@end deffn -@deffn {} BFD_RELOC_M68HC11_24 -Motorola 68HC11 reloc. -This is a 24-bit reloc that represents the address with a 16-bit -value and a 8-bit page number. The symbol address is transformed -to follow the 16K memory bank of 68HC12 (seen as mapped in the window). -@end deffn -@deffn {} BFD_RELOC_M68HC12_5B -Motorola 68HC12 reloc. -This is the 5 bits of a value. -@end deffn -@deffn {} BFD_RELOC_16C_NUM08 -@deffnx {} BFD_RELOC_16C_NUM08_C -@deffnx {} BFD_RELOC_16C_NUM16 -@deffnx {} BFD_RELOC_16C_NUM16_C -@deffnx {} BFD_RELOC_16C_NUM32 -@deffnx {} BFD_RELOC_16C_NUM32_C -@deffnx {} BFD_RELOC_16C_DISP04 -@deffnx {} BFD_RELOC_16C_DISP04_C -@deffnx {} BFD_RELOC_16C_DISP08 -@deffnx {} BFD_RELOC_16C_DISP08_C -@deffnx {} BFD_RELOC_16C_DISP16 -@deffnx {} BFD_RELOC_16C_DISP16_C -@deffnx {} BFD_RELOC_16C_DISP24 -@deffnx {} BFD_RELOC_16C_DISP24_C -@deffnx {} BFD_RELOC_16C_DISP24a -@deffnx {} BFD_RELOC_16C_DISP24a_C -@deffnx {} BFD_RELOC_16C_REG04 -@deffnx {} BFD_RELOC_16C_REG04_C -@deffnx {} BFD_RELOC_16C_REG04a -@deffnx {} BFD_RELOC_16C_REG04a_C -@deffnx {} BFD_RELOC_16C_REG14 -@deffnx {} BFD_RELOC_16C_REG14_C -@deffnx {} BFD_RELOC_16C_REG16 -@deffnx {} BFD_RELOC_16C_REG16_C -@deffnx {} BFD_RELOC_16C_REG20 -@deffnx {} BFD_RELOC_16C_REG20_C -@deffnx {} BFD_RELOC_16C_ABS20 -@deffnx {} BFD_RELOC_16C_ABS20_C -@deffnx {} BFD_RELOC_16C_ABS24 -@deffnx {} BFD_RELOC_16C_ABS24_C -@deffnx {} BFD_RELOC_16C_IMM04 -@deffnx {} BFD_RELOC_16C_IMM04_C -@deffnx {} BFD_RELOC_16C_IMM16 -@deffnx {} BFD_RELOC_16C_IMM16_C -@deffnx {} BFD_RELOC_16C_IMM20 -@deffnx {} BFD_RELOC_16C_IMM20_C -@deffnx {} BFD_RELOC_16C_IMM24 -@deffnx {} BFD_RELOC_16C_IMM24_C -@deffnx {} BFD_RELOC_16C_IMM32 -@deffnx {} BFD_RELOC_16C_IMM32_C -NS CR16C Relocations. -@end deffn -@deffn {} BFD_RELOC_CR16_NUM8 -@deffnx {} BFD_RELOC_CR16_NUM16 -@deffnx {} BFD_RELOC_CR16_NUM32 -@deffnx {} BFD_RELOC_CR16_NUM32a -@deffnx {} BFD_RELOC_CR16_REGREL0 -@deffnx {} BFD_RELOC_CR16_REGREL4 -@deffnx {} BFD_RELOC_CR16_REGREL4a -@deffnx {} BFD_RELOC_CR16_REGREL14 -@deffnx {} BFD_RELOC_CR16_REGREL14a -@deffnx {} BFD_RELOC_CR16_REGREL16 -@deffnx {} BFD_RELOC_CR16_REGREL20 -@deffnx {} BFD_RELOC_CR16_REGREL20a -@deffnx {} BFD_RELOC_CR16_ABS20 -@deffnx {} BFD_RELOC_CR16_ABS24 -@deffnx {} BFD_RELOC_CR16_IMM4 -@deffnx {} BFD_RELOC_CR16_IMM8 -@deffnx {} BFD_RELOC_CR16_IMM16 -@deffnx {} BFD_RELOC_CR16_IMM20 -@deffnx {} BFD_RELOC_CR16_IMM24 -@deffnx {} BFD_RELOC_CR16_IMM32 -@deffnx {} BFD_RELOC_CR16_IMM32a -@deffnx {} BFD_RELOC_CR16_DISP4 -@deffnx {} BFD_RELOC_CR16_DISP8 -@deffnx {} BFD_RELOC_CR16_DISP16 -@deffnx {} BFD_RELOC_CR16_DISP20 -@deffnx {} BFD_RELOC_CR16_DISP24 -@deffnx {} BFD_RELOC_CR16_DISP24a -@deffnx {} BFD_RELOC_CR16_SWITCH8 -@deffnx {} BFD_RELOC_CR16_SWITCH16 -@deffnx {} BFD_RELOC_CR16_SWITCH32 -@deffnx {} BFD_RELOC_CR16_GOT_REGREL20 -@deffnx {} BFD_RELOC_CR16_GOTC_REGREL20 -@deffnx {} BFD_RELOC_CR16_GLOB_DAT -NS CR16 Relocations. -@end deffn -@deffn {} BFD_RELOC_CRX_REL4 -@deffnx {} BFD_RELOC_CRX_REL8 -@deffnx {} BFD_RELOC_CRX_REL8_CMP -@deffnx {} BFD_RELOC_CRX_REL16 -@deffnx {} BFD_RELOC_CRX_REL24 -@deffnx {} BFD_RELOC_CRX_REL32 -@deffnx {} BFD_RELOC_CRX_REGREL12 -@deffnx {} BFD_RELOC_CRX_REGREL22 -@deffnx {} BFD_RELOC_CRX_REGREL28 -@deffnx {} BFD_RELOC_CRX_REGREL32 -@deffnx {} BFD_RELOC_CRX_ABS16 -@deffnx {} BFD_RELOC_CRX_ABS32 -@deffnx {} BFD_RELOC_CRX_NUM8 -@deffnx {} BFD_RELOC_CRX_NUM16 -@deffnx {} BFD_RELOC_CRX_NUM32 -@deffnx {} BFD_RELOC_CRX_IMM16 -@deffnx {} BFD_RELOC_CRX_IMM32 -@deffnx {} BFD_RELOC_CRX_SWITCH8 -@deffnx {} BFD_RELOC_CRX_SWITCH16 -@deffnx {} BFD_RELOC_CRX_SWITCH32 -NS CRX Relocations. -@end deffn -@deffn {} BFD_RELOC_CRIS_BDISP8 -@deffnx {} BFD_RELOC_CRIS_UNSIGNED_5 -@deffnx {} BFD_RELOC_CRIS_SIGNED_6 -@deffnx {} BFD_RELOC_CRIS_UNSIGNED_6 -@deffnx {} BFD_RELOC_CRIS_SIGNED_8 -@deffnx {} BFD_RELOC_CRIS_UNSIGNED_8 -@deffnx {} BFD_RELOC_CRIS_SIGNED_16 -@deffnx {} BFD_RELOC_CRIS_UNSIGNED_16 -@deffnx {} BFD_RELOC_CRIS_LAPCQ_OFFSET -@deffnx {} BFD_RELOC_CRIS_UNSIGNED_4 -These relocs are only used within the CRIS assembler. They are not -(at present) written to any object files. -@end deffn -@deffn {} BFD_RELOC_CRIS_COPY -@deffnx {} BFD_RELOC_CRIS_GLOB_DAT -@deffnx {} BFD_RELOC_CRIS_JUMP_SLOT -@deffnx {} BFD_RELOC_CRIS_RELATIVE -Relocs used in ELF shared libraries for CRIS. -@end deffn -@deffn {} BFD_RELOC_CRIS_32_GOT -32-bit offset to symbol-entry within GOT. -@end deffn -@deffn {} BFD_RELOC_CRIS_16_GOT -16-bit offset to symbol-entry within GOT. -@end deffn -@deffn {} BFD_RELOC_CRIS_32_GOTPLT -32-bit offset to symbol-entry within GOT, with PLT handling. -@end deffn -@deffn {} BFD_RELOC_CRIS_16_GOTPLT -16-bit offset to symbol-entry within GOT, with PLT handling. -@end deffn -@deffn {} BFD_RELOC_CRIS_32_GOTREL -32-bit offset to symbol, relative to GOT. -@end deffn -@deffn {} BFD_RELOC_CRIS_32_PLT_GOTREL -32-bit offset to symbol with PLT entry, relative to GOT. -@end deffn -@deffn {} BFD_RELOC_CRIS_32_PLT_PCREL -32-bit offset to symbol with PLT entry, relative to this relocation. -@end deffn -@deffn {} BFD_RELOC_CRIS_32_GOT_GD -@deffnx {} BFD_RELOC_CRIS_16_GOT_GD -@deffnx {} BFD_RELOC_CRIS_32_GD -@deffnx {} BFD_RELOC_CRIS_DTP -@deffnx {} BFD_RELOC_CRIS_32_DTPREL -@deffnx {} BFD_RELOC_CRIS_16_DTPREL -@deffnx {} BFD_RELOC_CRIS_32_GOT_TPREL -@deffnx {} BFD_RELOC_CRIS_16_GOT_TPREL -@deffnx {} BFD_RELOC_CRIS_32_TPREL -@deffnx {} BFD_RELOC_CRIS_16_TPREL -@deffnx {} BFD_RELOC_CRIS_DTPMOD -@deffnx {} BFD_RELOC_CRIS_32_IE -Relocs used in TLS code for CRIS. -@end deffn -@deffn {} BFD_RELOC_860_COPY -@deffnx {} BFD_RELOC_860_GLOB_DAT -@deffnx {} BFD_RELOC_860_JUMP_SLOT -@deffnx {} BFD_RELOC_860_RELATIVE -@deffnx {} BFD_RELOC_860_PC26 -@deffnx {} BFD_RELOC_860_PLT26 -@deffnx {} BFD_RELOC_860_PC16 -@deffnx {} BFD_RELOC_860_LOW0 -@deffnx {} BFD_RELOC_860_SPLIT0 -@deffnx {} BFD_RELOC_860_LOW1 -@deffnx {} BFD_RELOC_860_SPLIT1 -@deffnx {} BFD_RELOC_860_LOW2 -@deffnx {} BFD_RELOC_860_SPLIT2 -@deffnx {} BFD_RELOC_860_LOW3 -@deffnx {} BFD_RELOC_860_LOGOT0 -@deffnx {} BFD_RELOC_860_SPGOT0 -@deffnx {} BFD_RELOC_860_LOGOT1 -@deffnx {} BFD_RELOC_860_SPGOT1 -@deffnx {} BFD_RELOC_860_LOGOTOFF0 -@deffnx {} BFD_RELOC_860_SPGOTOFF0 -@deffnx {} BFD_RELOC_860_LOGOTOFF1 -@deffnx {} BFD_RELOC_860_SPGOTOFF1 -@deffnx {} BFD_RELOC_860_LOGOTOFF2 -@deffnx {} BFD_RELOC_860_LOGOTOFF3 -@deffnx {} BFD_RELOC_860_LOPC -@deffnx {} BFD_RELOC_860_HIGHADJ -@deffnx {} BFD_RELOC_860_HAGOT -@deffnx {} BFD_RELOC_860_HAGOTOFF -@deffnx {} BFD_RELOC_860_HAPC -@deffnx {} BFD_RELOC_860_HIGH -@deffnx {} BFD_RELOC_860_HIGOT -@deffnx {} BFD_RELOC_860_HIGOTOFF -Intel i860 Relocations. -@end deffn -@deffn {} BFD_RELOC_OPENRISC_ABS_26 -@deffnx {} BFD_RELOC_OPENRISC_REL_26 -OpenRISC Relocations. -@end deffn -@deffn {} BFD_RELOC_H8_DIR16A8 -@deffnx {} BFD_RELOC_H8_DIR16R8 -@deffnx {} BFD_RELOC_H8_DIR24A8 -@deffnx {} BFD_RELOC_H8_DIR24R8 -@deffnx {} BFD_RELOC_H8_DIR32A16 -H8 elf Relocations. -@end deffn -@deffn {} BFD_RELOC_XSTORMY16_REL_12 -@deffnx {} BFD_RELOC_XSTORMY16_12 -@deffnx {} BFD_RELOC_XSTORMY16_24 -@deffnx {} BFD_RELOC_XSTORMY16_FPTR16 -Sony Xstormy16 Relocations. -@end deffn -@deffn {} BFD_RELOC_RELC -Self-describing complex relocations. -@end deffn -@deffn {} BFD_RELOC_XC16X_PAG -@deffnx {} BFD_RELOC_XC16X_POF -@deffnx {} BFD_RELOC_XC16X_SEG -@deffnx {} BFD_RELOC_XC16X_SOF -Infineon Relocations. -@end deffn -@deffn {} BFD_RELOC_VAX_GLOB_DAT -@deffnx {} BFD_RELOC_VAX_JMP_SLOT -@deffnx {} BFD_RELOC_VAX_RELATIVE -Relocations used by VAX ELF. -@end deffn -@deffn {} BFD_RELOC_MT_PC16 -Morpho MT - 16 bit immediate relocation. -@end deffn -@deffn {} BFD_RELOC_MT_HI16 -Morpho MT - Hi 16 bits of an address. -@end deffn -@deffn {} BFD_RELOC_MT_LO16 -Morpho MT - Low 16 bits of an address. -@end deffn -@deffn {} BFD_RELOC_MT_GNU_VTINHERIT -Morpho MT - Used to tell the linker which vtable entries are used. -@end deffn -@deffn {} BFD_RELOC_MT_GNU_VTENTRY -Morpho MT - Used to tell the linker which vtable entries are used. -@end deffn -@deffn {} BFD_RELOC_MT_PCINSN8 -Morpho MT - 8 bit immediate relocation. -@end deffn -@deffn {} BFD_RELOC_MSP430_10_PCREL -@deffnx {} BFD_RELOC_MSP430_16_PCREL -@deffnx {} BFD_RELOC_MSP430_16 -@deffnx {} BFD_RELOC_MSP430_16_PCREL_BYTE -@deffnx {} BFD_RELOC_MSP430_16_BYTE -@deffnx {} BFD_RELOC_MSP430_2X_PCREL -@deffnx {} BFD_RELOC_MSP430_RL_PCREL -msp430 specific relocation codes -@end deffn -@deffn {} BFD_RELOC_IQ2000_OFFSET_16 -@deffnx {} BFD_RELOC_IQ2000_OFFSET_21 -@deffnx {} BFD_RELOC_IQ2000_UHI16 -IQ2000 Relocations. -@end deffn -@deffn {} BFD_RELOC_XTENSA_RTLD -Special Xtensa relocation used only by PLT entries in ELF shared -objects to indicate that the runtime linker should set the value -to one of its own internal functions or data structures. -@end deffn -@deffn {} BFD_RELOC_XTENSA_GLOB_DAT -@deffnx {} BFD_RELOC_XTENSA_JMP_SLOT -@deffnx {} BFD_RELOC_XTENSA_RELATIVE -Xtensa relocations for ELF shared objects. -@end deffn -@deffn {} BFD_RELOC_XTENSA_PLT -Xtensa relocation used in ELF object files for symbols that may require -PLT entries. Otherwise, this is just a generic 32-bit relocation. -@end deffn -@deffn {} BFD_RELOC_XTENSA_DIFF8 -@deffnx {} BFD_RELOC_XTENSA_DIFF16 -@deffnx {} BFD_RELOC_XTENSA_DIFF32 -Xtensa relocations to mark the difference of two local symbols. -These are only needed to support linker relaxation and can be ignored -when not relaxing. The field is set to the value of the difference -assuming no relaxation. The relocation encodes the position of the -first symbol so the linker can determine whether to adjust the field -value. -@end deffn -@deffn {} BFD_RELOC_XTENSA_SLOT0_OP -@deffnx {} BFD_RELOC_XTENSA_SLOT1_OP -@deffnx {} BFD_RELOC_XTENSA_SLOT2_OP -@deffnx {} BFD_RELOC_XTENSA_SLOT3_OP -@deffnx {} BFD_RELOC_XTENSA_SLOT4_OP -@deffnx {} BFD_RELOC_XTENSA_SLOT5_OP -@deffnx {} BFD_RELOC_XTENSA_SLOT6_OP -@deffnx {} BFD_RELOC_XTENSA_SLOT7_OP -@deffnx {} BFD_RELOC_XTENSA_SLOT8_OP -@deffnx {} BFD_RELOC_XTENSA_SLOT9_OP -@deffnx {} BFD_RELOC_XTENSA_SLOT10_OP -@deffnx {} BFD_RELOC_XTENSA_SLOT11_OP -@deffnx {} BFD_RELOC_XTENSA_SLOT12_OP -@deffnx {} BFD_RELOC_XTENSA_SLOT13_OP -@deffnx {} BFD_RELOC_XTENSA_SLOT14_OP -Generic Xtensa relocations for instruction operands. Only the slot -number is encoded in the relocation. The relocation applies to the -last PC-relative immediate operand, or if there are no PC-relative -immediates, to the last immediate operand. -@end deffn -@deffn {} BFD_RELOC_XTENSA_SLOT0_ALT -@deffnx {} BFD_RELOC_XTENSA_SLOT1_ALT -@deffnx {} BFD_RELOC_XTENSA_SLOT2_ALT -@deffnx {} BFD_RELOC_XTENSA_SLOT3_ALT -@deffnx {} BFD_RELOC_XTENSA_SLOT4_ALT -@deffnx {} BFD_RELOC_XTENSA_SLOT5_ALT -@deffnx {} BFD_RELOC_XTENSA_SLOT6_ALT -@deffnx {} BFD_RELOC_XTENSA_SLOT7_ALT -@deffnx {} BFD_RELOC_XTENSA_SLOT8_ALT -@deffnx {} BFD_RELOC_XTENSA_SLOT9_ALT -@deffnx {} BFD_RELOC_XTENSA_SLOT10_ALT -@deffnx {} BFD_RELOC_XTENSA_SLOT11_ALT -@deffnx {} BFD_RELOC_XTENSA_SLOT12_ALT -@deffnx {} BFD_RELOC_XTENSA_SLOT13_ALT -@deffnx {} BFD_RELOC_XTENSA_SLOT14_ALT -Alternate Xtensa relocations. Only the slot is encoded in the -relocation. The meaning of these relocations is opcode-specific. -@end deffn -@deffn {} BFD_RELOC_XTENSA_OP0 -@deffnx {} BFD_RELOC_XTENSA_OP1 -@deffnx {} BFD_RELOC_XTENSA_OP2 -Xtensa relocations for backward compatibility. These have all been -replaced by BFD_RELOC_XTENSA_SLOT0_OP. -@end deffn -@deffn {} BFD_RELOC_XTENSA_ASM_EXPAND -Xtensa relocation to mark that the assembler expanded the -instructions from an original target. The expansion size is -encoded in the reloc size. -@end deffn -@deffn {} BFD_RELOC_XTENSA_ASM_SIMPLIFY -Xtensa relocation to mark that the linker should simplify -assembler-expanded instructions. This is commonly used -internally by the linker after analysis of a -BFD_RELOC_XTENSA_ASM_EXPAND. -@end deffn -@deffn {} BFD_RELOC_XTENSA_TLSDESC_FN -@deffnx {} BFD_RELOC_XTENSA_TLSDESC_ARG -@deffnx {} BFD_RELOC_XTENSA_TLS_DTPOFF -@deffnx {} BFD_RELOC_XTENSA_TLS_TPOFF -@deffnx {} BFD_RELOC_XTENSA_TLS_FUNC -@deffnx {} BFD_RELOC_XTENSA_TLS_ARG -@deffnx {} BFD_RELOC_XTENSA_TLS_CALL -Xtensa TLS relocations. -@end deffn -@deffn {} BFD_RELOC_Z80_DISP8 -8 bit signed offset in (ix+d) or (iy+d). -@end deffn -@deffn {} BFD_RELOC_Z8K_DISP7 -DJNZ offset. -@end deffn -@deffn {} BFD_RELOC_Z8K_CALLR -CALR offset. -@end deffn -@deffn {} BFD_RELOC_Z8K_IMM4L -4 bit value. -@end deffn -@deffn {} BFD_RELOC_LM32_CALL -@deffnx {} BFD_RELOC_LM32_BRANCH -@deffnx {} BFD_RELOC_LM32_16_GOT -@deffnx {} BFD_RELOC_LM32_GOTOFF_HI16 -@deffnx {} BFD_RELOC_LM32_GOTOFF_LO16 -@deffnx {} BFD_RELOC_LM32_COPY -@deffnx {} BFD_RELOC_LM32_GLOB_DAT -@deffnx {} BFD_RELOC_LM32_JMP_SLOT -@deffnx {} BFD_RELOC_LM32_RELATIVE -Lattice Mico32 relocations. -@end deffn -@deffn {} BFD_RELOC_MACH_O_SECTDIFF -Difference between two section addreses. Must be followed by a -BFD_RELOC_MACH_O_PAIR. -@end deffn -@deffn {} BFD_RELOC_MACH_O_PAIR -Mach-O generic relocations. -@end deffn -@deffn {} BFD_RELOC_MICROBLAZE_32_LO -This is a 32 bit reloc for the microblaze that stores the -low 16 bits of a value -@end deffn -@deffn {} BFD_RELOC_MICROBLAZE_32_LO_PCREL -This is a 32 bit pc-relative reloc for the microblaze that -stores the low 16 bits of a value -@end deffn -@deffn {} BFD_RELOC_MICROBLAZE_32_ROSDA -This is a 32 bit reloc for the microblaze that stores a -value relative to the read-only small data area anchor -@end deffn -@deffn {} BFD_RELOC_MICROBLAZE_32_RWSDA -This is a 32 bit reloc for the microblaze that stores a -value relative to the read-write small data area anchor -@end deffn -@deffn {} BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM -This is a 32 bit reloc for the microblaze to handle -expressions of the form "Symbol Op Symbol" -@end deffn -@deffn {} BFD_RELOC_MICROBLAZE_64_NONE -This is a 64 bit reloc that stores the 32 bit pc relative -value in two words (with an imm instruction). No relocation is -done here - only used for relaxing -@end deffn -@deffn {} BFD_RELOC_MICROBLAZE_64_GOTPC -This is a 64 bit reloc that stores the 32 bit pc relative -value in two words (with an imm instruction). The relocation is -PC-relative GOT offset -@end deffn -@deffn {} BFD_RELOC_MICROBLAZE_64_GOT -This is a 64 bit reloc that stores the 32 bit pc relative -value in two words (with an imm instruction). The relocation is -GOT offset -@end deffn -@deffn {} BFD_RELOC_MICROBLAZE_64_PLT -This is a 64 bit reloc that stores the 32 bit pc relative -value in two words (with an imm instruction). The relocation is -PC-relative offset into PLT -@end deffn -@deffn {} BFD_RELOC_MICROBLAZE_64_GOTOFF -This is a 64 bit reloc that stores the 32 bit GOT relative -value in two words (with an imm instruction). The relocation is -relative offset from _GLOBAL_OFFSET_TABLE_ -@end deffn -@deffn {} BFD_RELOC_MICROBLAZE_32_GOTOFF -This is a 32 bit reloc that stores the 32 bit GOT relative -value in a word. The relocation is relative offset from -@end deffn -@deffn {} BFD_RELOC_MICROBLAZE_COPY -This is used to tell the dynamic linker to copy the value out of -the dynamic object into the runtime process image. -@end deffn - -@example - -typedef enum bfd_reloc_code_real bfd_reloc_code_real_type; -@end example -@findex bfd_reloc_type_lookup -@subsubsection @code{bfd_reloc_type_lookup} -@strong{Synopsis} -@example -reloc_howto_type *bfd_reloc_type_lookup - (bfd *abfd, bfd_reloc_code_real_type code); -reloc_howto_type *bfd_reloc_name_lookup - (bfd *abfd, const char *reloc_name); -@end example -@strong{Description}@* -Return a pointer to a howto structure which, when -invoked, will perform the relocation @var{code} on data from the -architecture noted. - -@findex bfd_default_reloc_type_lookup -@subsubsection @code{bfd_default_reloc_type_lookup} -@strong{Synopsis} -@example -reloc_howto_type *bfd_default_reloc_type_lookup - (bfd *abfd, bfd_reloc_code_real_type code); -@end example -@strong{Description}@* -Provides a default relocation lookup routine for any architecture. - -@findex bfd_get_reloc_code_name -@subsubsection @code{bfd_get_reloc_code_name} -@strong{Synopsis} -@example -const char *bfd_get_reloc_code_name (bfd_reloc_code_real_type code); -@end example -@strong{Description}@* -Provides a printable name for the supplied relocation code. -Useful mainly for printing error messages. - -@findex bfd_generic_relax_section -@subsubsection @code{bfd_generic_relax_section} -@strong{Synopsis} -@example -bfd_boolean bfd_generic_relax_section - (bfd *abfd, - asection *section, - struct bfd_link_info *, - bfd_boolean *); -@end example -@strong{Description}@* -Provides default handling for relaxing for back ends which -don't do relaxing. - -@findex bfd_generic_gc_sections -@subsubsection @code{bfd_generic_gc_sections} -@strong{Synopsis} -@example -bfd_boolean bfd_generic_gc_sections - (bfd *, struct bfd_link_info *); -@end example -@strong{Description}@* -Provides default handling for relaxing for back ends which -don't do section gc -- i.e., does nothing. - -@findex bfd_generic_merge_sections -@subsubsection @code{bfd_generic_merge_sections} -@strong{Synopsis} -@example -bfd_boolean bfd_generic_merge_sections - (bfd *, struct bfd_link_info *); -@end example -@strong{Description}@* -Provides default handling for SEC_MERGE section merging for back ends -which don't have SEC_MERGE support -- i.e., does nothing. - -@findex bfd_generic_get_relocated_section_contents -@subsubsection @code{bfd_generic_get_relocated_section_contents} -@strong{Synopsis} -@example -bfd_byte *bfd_generic_get_relocated_section_contents - (bfd *abfd, - struct bfd_link_info *link_info, - struct bfd_link_order *link_order, - bfd_byte *data, - bfd_boolean relocatable, - asymbol **symbols); -@end example -@strong{Description}@* -Provides default handling of relocation effort for back ends -which can't be bothered to do it efficiently. -

reloc.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: fdl.texi =================================================================== --- fdl.texi (revision 816) +++ fdl.texi (nonexistent) @@ -1,506 +0,0 @@ -@c The GNU Free Documentation License. -@center Version 1.3, 3 November 2008 - -@c This file is intended to be included within another document, -@c hence no sectioning command or @node. - -@display -Copyright @copyright{} 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc. -@uref{http://fsf.org/} - -Everyone is permitted to copy and distribute verbatim copies -of this license document, but changing it is not allowed. -@end display - -@enumerate 0 -@item -PREAMBLE - -The purpose of this License is to make a manual, textbook, or other -functional and useful document @dfn{free} in the sense of freedom: to -assure everyone the effective freedom to copy and redistribute it, -with or without modifying it, either commercially or noncommercially. -Secondarily, this License preserves for the author and publisher a way -to get credit for their work, while not being considered responsible -for modifications made by others. - -This License is a kind of ``copyleft'', which means that derivative -works of the document must themselves be free in the same sense. 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fdl.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: bfdver.texi =================================================================== --- bfdver.texi (revision 816) +++ bfdver.texi (nonexistent) @@ -1,4 +0,0 @@ -@set VERSION 2.20.1 -@set VERSION_PACKAGE (GNU Binutils) -@set UPDATED March 2010 -@set BUGURL @uref{http://www.sourceware.org/bugzilla/}

bfdver.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: targets.texi =================================================================== --- targets.texi (revision 816) +++ targets.texi (nonexistent) @@ -1,563 +0,0 @@ -@section Targets - - -@strong{Description}@* -Each port of BFD to a different machine requires the creation -of a target back end. All the back end provides to the root -part of BFD is a structure containing pointers to functions -which perform certain low level operations on files. BFD -translates the applications's requests through a pointer into -calls to the back end routines. - -When a file is opened with @code{bfd_openr}, its format and -target are unknown. BFD uses various mechanisms to determine -how to interpret the file. The operations performed are: - -@itemize @bullet - -@item -Create a BFD by calling the internal routine -@code{_bfd_new_bfd}, then call @code{bfd_find_target} with the -target string supplied to @code{bfd_openr} and the new BFD pointer. - -@item -If a null target string was provided to @code{bfd_find_target}, -look up the environment variable @code{GNUTARGET} and use -that as the target string. - -@item -If the target string is still @code{NULL}, or the target string is -@code{default}, then use the first item in the target vector -as the target type, and set @code{target_defaulted} in the BFD to -cause @code{bfd_check_format} to loop through all the targets. -@xref{bfd_target}. @xref{Formats}. - -@item -Otherwise, inspect the elements in the target vector -one by one, until a match on target name is found. When found, -use it. - -@item -Otherwise return the error @code{bfd_error_invalid_target} to -@code{bfd_openr}. - -@item -@code{bfd_openr} attempts to open the file using -@code{bfd_open_file}, and returns the BFD. -@end itemize -Once the BFD has been opened and the target selected, the file -format may be determined. This is done by calling -@code{bfd_check_format} on the BFD with a suggested format. -If @code{target_defaulted} has been set, each possible target -type is tried to see if it recognizes the specified format. -@code{bfd_check_format} returns @code{TRUE} when the caller guesses right. -@menu -* bfd_target:: -@end menu - -@node bfd_target, , Targets, Targets - -@subsection bfd_target - - -@strong{Description}@* -This structure contains everything that BFD knows about a -target. It includes things like its byte order, name, and which -routines to call to do various operations. - -Every BFD points to a target structure with its @code{xvec} -member. - -The macros below are used to dispatch to functions through the -@code{bfd_target} vector. They are used in a number of macros further -down in @file{bfd.h}, and are also used when calling various -routines by hand inside the BFD implementation. The @var{arglist} -argument must be parenthesized; it contains all the arguments -to the called function. - -They make the documentation (more) unpleasant to read, so if -someone wants to fix this and not break the above, please do. -@example -#define BFD_SEND(bfd, message, arglist) \ - ((*((bfd)->xvec->message)) arglist) - -#ifdef DEBUG_BFD_SEND -#undef BFD_SEND -#define BFD_SEND(bfd, message, arglist) \ - (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \ - ((*((bfd)->xvec->message)) arglist) : \ - (bfd_assert (__FILE__,__LINE__), NULL)) -#endif -@end example -For operations which index on the BFD format: -@example -#define BFD_SEND_FMT(bfd, message, arglist) \ - (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) - -#ifdef DEBUG_BFD_SEND -#undef BFD_SEND_FMT -#define BFD_SEND_FMT(bfd, message, arglist) \ - (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \ - (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) : \ - (bfd_assert (__FILE__,__LINE__), NULL)) -#endif - -@end example -This is the structure which defines the type of BFD this is. The -@code{xvec} member of the struct @code{bfd} itself points here. Each -module that implements access to a different target under BFD, -defines one of these. - -FIXME, these names should be rationalised with the names of -the entry points which call them. Too bad we can't have one -macro to define them both! -@example -enum bfd_flavour -@{ - bfd_target_unknown_flavour, - bfd_target_aout_flavour, - bfd_target_coff_flavour, - bfd_target_ecoff_flavour, - bfd_target_xcoff_flavour, - bfd_target_elf_flavour, - bfd_target_ieee_flavour, - bfd_target_nlm_flavour, - bfd_target_oasys_flavour, - bfd_target_tekhex_flavour, - bfd_target_srec_flavour, - bfd_target_verilog_flavour, - bfd_target_ihex_flavour, - bfd_target_som_flavour, - bfd_target_os9k_flavour, - bfd_target_versados_flavour, - bfd_target_msdos_flavour, - bfd_target_ovax_flavour, - bfd_target_evax_flavour, - bfd_target_mmo_flavour, - bfd_target_mach_o_flavour, - bfd_target_pef_flavour, - bfd_target_pef_xlib_flavour, - bfd_target_sym_flavour -@}; - -enum bfd_endian @{ BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN @}; - -/* Forward declaration. */ -typedef struct bfd_link_info _bfd_link_info; - -typedef struct bfd_target -@{ - /* Identifies the kind of target, e.g., SunOS4, Ultrix, etc. */ - char *name; - - /* The "flavour" of a back end is a general indication about - the contents of a file. */ - enum bfd_flavour flavour; - - /* The order of bytes within the data area of a file. */ - enum bfd_endian byteorder; - - /* The order of bytes within the header parts of a file. */ - enum bfd_endian header_byteorder; - - /* A mask of all the flags which an executable may have set - - from the set @code{BFD_NO_FLAGS}, @code{HAS_RELOC}, ...@code{D_PAGED}. */ - flagword object_flags; - - /* A mask of all the flags which a section may have set - from - the set @code{SEC_NO_FLAGS}, @code{SEC_ALLOC}, ...@code{SET_NEVER_LOAD}. */ - flagword section_flags; - - /* The character normally found at the front of a symbol. - (if any), perhaps `_'. */ - char symbol_leading_char; - - /* The pad character for file names within an archive header. */ - char ar_pad_char; - - /* The maximum number of characters in an archive header. */ - unsigned short ar_max_namelen; - - /* Entries for byte swapping for data. These are different from the - other entry points, since they don't take a BFD as the first argument. - Certain other handlers could do the same. */ - bfd_uint64_t (*bfd_getx64) (const void *); - bfd_int64_t (*bfd_getx_signed_64) (const void *); - void (*bfd_putx64) (bfd_uint64_t, void *); - bfd_vma (*bfd_getx32) (const void *); - bfd_signed_vma (*bfd_getx_signed_32) (const void *); - void (*bfd_putx32) (bfd_vma, void *); - bfd_vma (*bfd_getx16) (const void *); - bfd_signed_vma (*bfd_getx_signed_16) (const void *); - void (*bfd_putx16) (bfd_vma, void *); - - /* Byte swapping for the headers. */ - bfd_uint64_t (*bfd_h_getx64) (const void *); - bfd_int64_t (*bfd_h_getx_signed_64) (const void *); - void (*bfd_h_putx64) (bfd_uint64_t, void *); - bfd_vma (*bfd_h_getx32) (const void *); - bfd_signed_vma (*bfd_h_getx_signed_32) (const void *); - void (*bfd_h_putx32) (bfd_vma, void *); - bfd_vma (*bfd_h_getx16) (const void *); - bfd_signed_vma (*bfd_h_getx_signed_16) (const void *); - void (*bfd_h_putx16) (bfd_vma, void *); - - /* Format dependent routines: these are vectors of entry points - within the target vector structure, one for each format to check. */ - - /* Check the format of a file being read. Return a @code{bfd_target *} or zero. */ - const struct bfd_target *(*_bfd_check_format[bfd_type_end]) (bfd *); - - /* Set the format of a file being written. */ - bfd_boolean (*_bfd_set_format[bfd_type_end]) (bfd *); - - /* Write cached information into a file being written, at @code{bfd_close}. */ - bfd_boolean (*_bfd_write_contents[bfd_type_end]) (bfd *); - -@end example -The general target vector. These vectors are initialized using the -BFD_JUMP_TABLE macros. -@example - - /* Generic entry points. */ -#define BFD_JUMP_TABLE_GENERIC(NAME) \ - NAME##_close_and_cleanup, \ - NAME##_bfd_free_cached_info, \ - NAME##_new_section_hook, \ - NAME##_get_section_contents, \ - NAME##_get_section_contents_in_window - - /* Called when the BFD is being closed to do any necessary cleanup. */ - bfd_boolean (*_close_and_cleanup) (bfd *); - /* Ask the BFD to free all cached information. */ - bfd_boolean (*_bfd_free_cached_info) (bfd *); - /* Called when a new section is created. */ - bfd_boolean (*_new_section_hook) (bfd *, sec_ptr); - /* Read the contents of a section. */ - bfd_boolean (*_bfd_get_section_contents) - (bfd *, sec_ptr, void *, file_ptr, bfd_size_type); - bfd_boolean (*_bfd_get_section_contents_in_window) - (bfd *, sec_ptr, bfd_window *, file_ptr, bfd_size_type); - - /* Entry points to copy private data. */ -#define BFD_JUMP_TABLE_COPY(NAME) \ - NAME##_bfd_copy_private_bfd_data, \ - NAME##_bfd_merge_private_bfd_data, \ - _bfd_generic_init_private_section_data, \ - NAME##_bfd_copy_private_section_data, \ - NAME##_bfd_copy_private_symbol_data, \ - NAME##_bfd_copy_private_header_data, \ - NAME##_bfd_set_private_flags, \ - NAME##_bfd_print_private_bfd_data - - /* Called to copy BFD general private data from one object file - to another. */ - bfd_boolean (*_bfd_copy_private_bfd_data) (bfd *, bfd *); - /* Called to merge BFD general private data from one object file - to a common output file when linking. */ - bfd_boolean (*_bfd_merge_private_bfd_data) (bfd *, bfd *); - /* Called to initialize BFD private section data from one object file - to another. */ -#define bfd_init_private_section_data(ibfd, isec, obfd, osec, link_info) \ - BFD_SEND (obfd, _bfd_init_private_section_data, (ibfd, isec, obfd, osec, link_info)) - bfd_boolean (*_bfd_init_private_section_data) - (bfd *, sec_ptr, bfd *, sec_ptr, struct bfd_link_info *); - /* Called to copy BFD private section data from one object file - to another. */ - bfd_boolean (*_bfd_copy_private_section_data) - (bfd *, sec_ptr, bfd *, sec_ptr); - /* Called to copy BFD private symbol data from one symbol - to another. */ - bfd_boolean (*_bfd_copy_private_symbol_data) - (bfd *, asymbol *, bfd *, asymbol *); - /* Called to copy BFD private header data from one object file - to another. */ - bfd_boolean (*_bfd_copy_private_header_data) - (bfd *, bfd *); - /* Called to set private backend flags. */ - bfd_boolean (*_bfd_set_private_flags) (bfd *, flagword); - - /* Called to print private BFD data. */ - bfd_boolean (*_bfd_print_private_bfd_data) (bfd *, void *); - - /* Core file entry points. */ -#define BFD_JUMP_TABLE_CORE(NAME) \ - NAME##_core_file_failing_command, \ - NAME##_core_file_failing_signal, \ - NAME##_core_file_matches_executable_p - - char * (*_core_file_failing_command) (bfd *); - int (*_core_file_failing_signal) (bfd *); - bfd_boolean (*_core_file_matches_executable_p) (bfd *, bfd *); - - /* Archive entry points. */ -#define BFD_JUMP_TABLE_ARCHIVE(NAME) \ - NAME##_slurp_armap, \ - NAME##_slurp_extended_name_table, \ - NAME##_construct_extended_name_table, \ - NAME##_truncate_arname, \ - NAME##_write_armap, \ - NAME##_read_ar_hdr, \ - NAME##_openr_next_archived_file, \ - NAME##_get_elt_at_index, \ - NAME##_generic_stat_arch_elt, \ - NAME##_update_armap_timestamp - - bfd_boolean (*_bfd_slurp_armap) (bfd *); - bfd_boolean (*_bfd_slurp_extended_name_table) (bfd *); - bfd_boolean (*_bfd_construct_extended_name_table) - (bfd *, char **, bfd_size_type *, const char **); - void (*_bfd_truncate_arname) (bfd *, const char *, char *); - bfd_boolean (*write_armap) - (bfd *, unsigned int, struct orl *, unsigned int, int); - void * (*_bfd_read_ar_hdr_fn) (bfd *); - bfd * (*openr_next_archived_file) (bfd *, bfd *); -#define bfd_get_elt_at_index(b,i) BFD_SEND (b, _bfd_get_elt_at_index, (b,i)) - bfd * (*_bfd_get_elt_at_index) (bfd *, symindex); - int (*_bfd_stat_arch_elt) (bfd *, struct stat *); - bfd_boolean (*_bfd_update_armap_timestamp) (bfd *); - - /* Entry points used for symbols. */ -#define BFD_JUMP_TABLE_SYMBOLS(NAME) \ - NAME##_get_symtab_upper_bound, \ - NAME##_canonicalize_symtab, \ - NAME##_make_empty_symbol, \ - NAME##_print_symbol, \ - NAME##_get_symbol_info, \ - NAME##_bfd_is_local_label_name, \ - NAME##_bfd_is_target_special_symbol, \ - NAME##_get_lineno, \ - NAME##_find_nearest_line, \ - _bfd_generic_find_line, \ - NAME##_find_inliner_info, \ - NAME##_bfd_make_debug_symbol, \ - NAME##_read_minisymbols, \ - NAME##_minisymbol_to_symbol - - long (*_bfd_get_symtab_upper_bound) (bfd *); - long (*_bfd_canonicalize_symtab) - (bfd *, struct bfd_symbol **); - struct bfd_symbol * - (*_bfd_make_empty_symbol) (bfd *); - void (*_bfd_print_symbol) - (bfd *, void *, struct bfd_symbol *, bfd_print_symbol_type); -#define bfd_print_symbol(b,p,s,e) BFD_SEND (b, _bfd_print_symbol, (b,p,s,e)) - void (*_bfd_get_symbol_info) - (bfd *, struct bfd_symbol *, symbol_info *); -#define bfd_get_symbol_info(b,p,e) BFD_SEND (b, _bfd_get_symbol_info, (b,p,e)) - bfd_boolean (*_bfd_is_local_label_name) (bfd *, const char *); - bfd_boolean (*_bfd_is_target_special_symbol) (bfd *, asymbol *); - alent * (*_get_lineno) (bfd *, struct bfd_symbol *); - bfd_boolean (*_bfd_find_nearest_line) - (bfd *, struct bfd_section *, struct bfd_symbol **, bfd_vma, - const char **, const char **, unsigned int *); - bfd_boolean (*_bfd_find_line) - (bfd *, struct bfd_symbol **, struct bfd_symbol *, - const char **, unsigned int *); - bfd_boolean (*_bfd_find_inliner_info) - (bfd *, const char **, const char **, unsigned int *); - /* Back-door to allow format-aware applications to create debug symbols - while using BFD for everything else. Currently used by the assembler - when creating COFF files. */ - asymbol * (*_bfd_make_debug_symbol) - (bfd *, void *, unsigned long size); -#define bfd_read_minisymbols(b, d, m, s) \ - BFD_SEND (b, _read_minisymbols, (b, d, m, s)) - long (*_read_minisymbols) - (bfd *, bfd_boolean, void **, unsigned int *); -#define bfd_minisymbol_to_symbol(b, d, m, f) \ - BFD_SEND (b, _minisymbol_to_symbol, (b, d, m, f)) - asymbol * (*_minisymbol_to_symbol) - (bfd *, bfd_boolean, const void *, asymbol *); - - /* Routines for relocs. */ -#define BFD_JUMP_TABLE_RELOCS(NAME) \ - NAME##_get_reloc_upper_bound, \ - NAME##_canonicalize_reloc, \ - NAME##_bfd_reloc_type_lookup, \ - NAME##_bfd_reloc_name_lookup - - long (*_get_reloc_upper_bound) (bfd *, sec_ptr); - long (*_bfd_canonicalize_reloc) - (bfd *, sec_ptr, arelent **, struct bfd_symbol **); - /* See documentation on reloc types. */ - reloc_howto_type * - (*reloc_type_lookup) (bfd *, bfd_reloc_code_real_type); - reloc_howto_type * - (*reloc_name_lookup) (bfd *, const char *); - - - /* Routines used when writing an object file. */ -#define BFD_JUMP_TABLE_WRITE(NAME) \ - NAME##_set_arch_mach, \ - NAME##_set_section_contents - - bfd_boolean (*_bfd_set_arch_mach) - (bfd *, enum bfd_architecture, unsigned long); - bfd_boolean (*_bfd_set_section_contents) - (bfd *, sec_ptr, const void *, file_ptr, bfd_size_type); - - /* Routines used by the linker. */ -#define BFD_JUMP_TABLE_LINK(NAME) \ - NAME##_sizeof_headers, \ - NAME##_bfd_get_relocated_section_contents, \ - NAME##_bfd_relax_section, \ - NAME##_bfd_link_hash_table_create, \ - NAME##_bfd_link_hash_table_free, \ - NAME##_bfd_link_add_symbols, \ - NAME##_bfd_link_just_syms, \ - NAME##_bfd_final_link, \ - NAME##_bfd_link_split_section, \ - NAME##_bfd_gc_sections, \ - NAME##_bfd_merge_sections, \ - NAME##_bfd_is_group_section, \ - NAME##_bfd_discard_group, \ - NAME##_section_already_linked, \ - NAME##_bfd_define_common_symbol - - int (*_bfd_sizeof_headers) (bfd *, struct bfd_link_info *); - bfd_byte * (*_bfd_get_relocated_section_contents) - (bfd *, struct bfd_link_info *, struct bfd_link_order *, - bfd_byte *, bfd_boolean, struct bfd_symbol **); - - bfd_boolean (*_bfd_relax_section) - (bfd *, struct bfd_section *, struct bfd_link_info *, bfd_boolean *); - - /* Create a hash table for the linker. Different backends store - different information in this table. */ - struct bfd_link_hash_table * - (*_bfd_link_hash_table_create) (bfd *); - - /* Release the memory associated with the linker hash table. */ - void (*_bfd_link_hash_table_free) (struct bfd_link_hash_table *); - - /* Add symbols from this object file into the hash table. */ - bfd_boolean (*_bfd_link_add_symbols) (bfd *, struct bfd_link_info *); - - /* Indicate that we are only retrieving symbol values from this section. */ - void (*_bfd_link_just_syms) (asection *, struct bfd_link_info *); - - /* Do a link based on the link_order structures attached to each - section of the BFD. */ - bfd_boolean (*_bfd_final_link) (bfd *, struct bfd_link_info *); - - /* Should this section be split up into smaller pieces during linking. */ - bfd_boolean (*_bfd_link_split_section) (bfd *, struct bfd_section *); - - /* Remove sections that are not referenced from the output. */ - bfd_boolean (*_bfd_gc_sections) (bfd *, struct bfd_link_info *); - - /* Attempt to merge SEC_MERGE sections. */ - bfd_boolean (*_bfd_merge_sections) (bfd *, struct bfd_link_info *); - - /* Is this section a member of a group? */ - bfd_boolean (*_bfd_is_group_section) (bfd *, const struct bfd_section *); - - /* Discard members of a group. */ - bfd_boolean (*_bfd_discard_group) (bfd *, struct bfd_section *); - - /* Check if SEC has been already linked during a reloceatable or - final link. */ - void (*_section_already_linked) (bfd *, struct bfd_section *, - struct bfd_link_info *); - - /* Define a common symbol. */ - bfd_boolean (*_bfd_define_common_symbol) (bfd *, struct bfd_link_info *, - struct bfd_link_hash_entry *); - - /* Routines to handle dynamic symbols and relocs. */ -#define BFD_JUMP_TABLE_DYNAMIC(NAME) \ - NAME##_get_dynamic_symtab_upper_bound, \ - NAME##_canonicalize_dynamic_symtab, \ - NAME##_get_synthetic_symtab, \ - NAME##_get_dynamic_reloc_upper_bound, \ - NAME##_canonicalize_dynamic_reloc - - /* Get the amount of memory required to hold the dynamic symbols. */ - long (*_bfd_get_dynamic_symtab_upper_bound) (bfd *); - /* Read in the dynamic symbols. */ - long (*_bfd_canonicalize_dynamic_symtab) - (bfd *, struct bfd_symbol **); - /* Create synthetized symbols. */ - long (*_bfd_get_synthetic_symtab) - (bfd *, long, struct bfd_symbol **, long, struct bfd_symbol **, - struct bfd_symbol **); - /* Get the amount of memory required to hold the dynamic relocs. */ - long (*_bfd_get_dynamic_reloc_upper_bound) (bfd *); - /* Read in the dynamic relocs. */ - long (*_bfd_canonicalize_dynamic_reloc) - (bfd *, arelent **, struct bfd_symbol **); - -@end example -A pointer to an alternative bfd_target in case the current one is not -satisfactory. This can happen when the target cpu supports both big -and little endian code, and target chosen by the linker has the wrong -endianness. The function open_output() in ld/ldlang.c uses this field -to find an alternative output format that is suitable. -@example - /* Opposite endian version of this target. */ - const struct bfd_target * alternative_target; - - /* Data for use by back-end routines, which isn't - generic enough to belong in this structure. */ - const void *backend_data; - -@} bfd_target; - -@end example - -@findex bfd_set_default_target -@subsubsection @code{bfd_set_default_target} -@strong{Synopsis} -@example -bfd_boolean bfd_set_default_target (const char *name); -@end example -@strong{Description}@* -Set the default target vector to use when recognizing a BFD. -This takes the name of the target, which may be a BFD target -name or a configuration triplet. - -@findex bfd_find_target -@subsubsection @code{bfd_find_target} -@strong{Synopsis} -@example -const bfd_target *bfd_find_target (const char *target_name, bfd *abfd); -@end example -@strong{Description}@* -Return a pointer to the transfer vector for the object target -named @var{target_name}. If @var{target_name} is @code{NULL}, -choose the one in the environment variable @code{GNUTARGET}; if -that is null or not defined, then choose the first entry in the -target list. Passing in the string "default" or setting the -environment variable to "default" will cause the first entry in -the target list to be returned, and "target_defaulted" will be -set in the BFD if @var{abfd} isn't @code{NULL}. This causes -@code{bfd_check_format} to loop over all the targets to find the -one that matches the file being read. - -@findex bfd_target_list -@subsubsection @code{bfd_target_list} -@strong{Synopsis} -@example -const char ** bfd_target_list (void); -@end example -@strong{Description}@* -Return a freshly malloced NULL-terminated -vector of the names of all the valid BFD targets. Do not -modify the names. - -@findex bfd_seach_for_target -@subsubsection @code{bfd_seach_for_target} -@strong{Synopsis} -@example -const bfd_target *bfd_search_for_target - (int (*search_func) (const bfd_target *, void *), - void *); -@end example -@strong{Description}@* -Return a pointer to the first transfer vector in the list of -transfer vectors maintained by BFD that produces a non-zero -result when passed to the function @var{search_func}. The -parameter @var{data} is passed, unexamined, to the search -function. -

targets.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: archures.texi =================================================================== --- archures.texi (revision 816) +++ archures.texi (nonexistent) @@ -1,626 +0,0 @@ -@section Architectures -BFD keeps one atom in a BFD describing the -architecture of the data attached to the BFD: a pointer to a -@code{bfd_arch_info_type}. - -Pointers to structures can be requested independently of a BFD -so that an architecture's information can be interrogated -without access to an open BFD. - -The architecture information is provided by each architecture package. -The set of default architectures is selected by the macro -@code{SELECT_ARCHITECTURES}. This is normally set up in the -@file{config/@var{target}.mt} file of your choice. If the name is not -defined, then all the architectures supported are included. - -When BFD starts up, all the architectures are called with an -initialize method. It is up to the architecture back end to -insert as many items into the list of architectures as it wants to; -generally this would be one for each machine and one for the -default case (an item with a machine field of 0). - -BFD's idea of an architecture is implemented in @file{archures.c}. - -@subsection bfd_architecture - - -@strong{Description}@* -This enum gives the object file's CPU architecture, in a -global sense---i.e., what processor family does it belong to? -Another field indicates which processor within -the family is in use. The machine gives a number which -distinguishes different versions of the architecture, -containing, for example, 2 and 3 for Intel i960 KA and i960 KB, -and 68020 and 68030 for Motorola 68020 and 68030. -@example -enum bfd_architecture -@{ - bfd_arch_unknown, /* File arch not known. */ - bfd_arch_obscure, /* Arch known, not one of these. */ - bfd_arch_m68k, /* Motorola 68xxx */ -#define bfd_mach_m68000 1 -#define bfd_mach_m68008 2 -#define bfd_mach_m68010 3 -#define bfd_mach_m68020 4 -#define bfd_mach_m68030 5 -#define bfd_mach_m68040 6 -#define bfd_mach_m68060 7 -#define bfd_mach_cpu32 8 -#define bfd_mach_fido 9 -#define bfd_mach_mcf_isa_a_nodiv 10 -#define bfd_mach_mcf_isa_a 11 -#define bfd_mach_mcf_isa_a_mac 12 -#define bfd_mach_mcf_isa_a_emac 13 -#define bfd_mach_mcf_isa_aplus 14 -#define bfd_mach_mcf_isa_aplus_mac 15 -#define bfd_mach_mcf_isa_aplus_emac 16 -#define bfd_mach_mcf_isa_b_nousp 17 -#define bfd_mach_mcf_isa_b_nousp_mac 18 -#define bfd_mach_mcf_isa_b_nousp_emac 19 -#define bfd_mach_mcf_isa_b 20 -#define bfd_mach_mcf_isa_b_mac 21 -#define bfd_mach_mcf_isa_b_emac 22 -#define bfd_mach_mcf_isa_b_float 23 -#define bfd_mach_mcf_isa_b_float_mac 24 -#define bfd_mach_mcf_isa_b_float_emac 25 -#define bfd_mach_mcf_isa_c 26 -#define bfd_mach_mcf_isa_c_mac 27 -#define bfd_mach_mcf_isa_c_emac 28 -#define bfd_mach_mcf_isa_c_nodiv 29 -#define bfd_mach_mcf_isa_c_nodiv_mac 30 -#define bfd_mach_mcf_isa_c_nodiv_emac 31 - bfd_arch_vax, /* DEC Vax */ - bfd_arch_i960, /* Intel 960 */ - /* The order of the following is important. - lower number indicates a machine type that - only accepts a subset of the instructions - available to machines with higher numbers. - The exception is the "ca", which is - incompatible with all other machines except - "core". */ - -#define bfd_mach_i960_core 1 -#define bfd_mach_i960_ka_sa 2 -#define bfd_mach_i960_kb_sb 3 -#define bfd_mach_i960_mc 4 -#define bfd_mach_i960_xa 5 -#define bfd_mach_i960_ca 6 -#define bfd_mach_i960_jx 7 -#define bfd_mach_i960_hx 8 - - bfd_arch_or32, /* OpenRISC 32 */ - - bfd_arch_sparc, /* SPARC */ -#define bfd_mach_sparc 1 -/* The difference between v8plus and v9 is that v9 is a true 64 bit env. */ -#define bfd_mach_sparc_sparclet 2 -#define bfd_mach_sparc_sparclite 3 -#define bfd_mach_sparc_v8plus 4 -#define bfd_mach_sparc_v8plusa 5 /* with ultrasparc add'ns. */ -#define bfd_mach_sparc_sparclite_le 6 -#define bfd_mach_sparc_v9 7 -#define bfd_mach_sparc_v9a 8 /* with ultrasparc add'ns. */ -#define bfd_mach_sparc_v8plusb 9 /* with cheetah add'ns. */ -#define bfd_mach_sparc_v9b 10 /* with cheetah add'ns. */ -/* Nonzero if MACH has the v9 instruction set. */ -#define bfd_mach_sparc_v9_p(mach) \ - ((mach) >= bfd_mach_sparc_v8plus && (mach) <= bfd_mach_sparc_v9b \ - && (mach) != bfd_mach_sparc_sparclite_le) -/* Nonzero if MACH is a 64 bit sparc architecture. */ -#define bfd_mach_sparc_64bit_p(mach) \ - ((mach) >= bfd_mach_sparc_v9 && (mach) != bfd_mach_sparc_v8plusb) - bfd_arch_spu, /* PowerPC SPU */ -#define bfd_mach_spu 256 - bfd_arch_mips, /* MIPS Rxxxx */ -#define bfd_mach_mips3000 3000 -#define bfd_mach_mips3900 3900 -#define bfd_mach_mips4000 4000 -#define bfd_mach_mips4010 4010 -#define bfd_mach_mips4100 4100 -#define bfd_mach_mips4111 4111 -#define bfd_mach_mips4120 4120 -#define bfd_mach_mips4300 4300 -#define bfd_mach_mips4400 4400 -#define bfd_mach_mips4600 4600 -#define bfd_mach_mips4650 4650 -#define bfd_mach_mips5000 5000 -#define bfd_mach_mips5400 5400 -#define bfd_mach_mips5500 5500 -#define bfd_mach_mips6000 6000 -#define bfd_mach_mips7000 7000 -#define bfd_mach_mips8000 8000 -#define bfd_mach_mips9000 9000 -#define bfd_mach_mips10000 10000 -#define bfd_mach_mips12000 12000 -#define bfd_mach_mips14000 14000 -#define bfd_mach_mips16000 16000 -#define bfd_mach_mips16 16 -#define bfd_mach_mips5 5 -#define bfd_mach_mips_loongson_2e 3001 -#define bfd_mach_mips_loongson_2f 3002 -#define bfd_mach_mips_sb1 12310201 /* octal 'SB', 01 */ -#define bfd_mach_mips_octeon 6501 -#define bfd_mach_mips_xlr 887682 /* decimal 'XLR' */ -#define bfd_mach_mipsisa32 32 -#define bfd_mach_mipsisa32r2 33 -#define bfd_mach_mipsisa64 64 -#define bfd_mach_mipsisa64r2 65 - bfd_arch_i386, /* Intel 386 */ -#define bfd_mach_i386_i386 1 -#define bfd_mach_i386_i8086 2 -#define bfd_mach_i386_i386_intel_syntax 3 -#define bfd_mach_x86_64 64 -#define bfd_mach_x86_64_intel_syntax 65 - bfd_arch_l1om, /* Intel L1OM */ -#define bfd_mach_l1om 66 -#define bfd_mach_l1om_intel_syntax 67 - bfd_arch_we32k, /* AT&T WE32xxx */ - bfd_arch_tahoe, /* CCI/Harris Tahoe */ - bfd_arch_i860, /* Intel 860 */ - bfd_arch_i370, /* IBM 360/370 Mainframes */ - bfd_arch_romp, /* IBM ROMP PC/RT */ - bfd_arch_convex, /* Convex */ - bfd_arch_m88k, /* Motorola 88xxx */ - bfd_arch_m98k, /* Motorola 98xxx */ - bfd_arch_pyramid, /* Pyramid Technology */ - bfd_arch_h8300, /* Renesas H8/300 (formerly Hitachi H8/300) */ -#define bfd_mach_h8300 1 -#define bfd_mach_h8300h 2 -#define bfd_mach_h8300s 3 -#define bfd_mach_h8300hn 4 -#define bfd_mach_h8300sn 5 -#define bfd_mach_h8300sx 6 -#define bfd_mach_h8300sxn 7 - bfd_arch_pdp11, /* DEC PDP-11 */ - bfd_arch_plugin, - bfd_arch_powerpc, /* PowerPC */ -#define bfd_mach_ppc 32 -#define bfd_mach_ppc64 64 -#define bfd_mach_ppc_403 403 -#define bfd_mach_ppc_403gc 4030 -#define bfd_mach_ppc_405 405 -#define bfd_mach_ppc_505 505 -#define bfd_mach_ppc_601 601 -#define bfd_mach_ppc_602 602 -#define bfd_mach_ppc_603 603 -#define bfd_mach_ppc_ec603e 6031 -#define bfd_mach_ppc_604 604 -#define bfd_mach_ppc_620 620 -#define bfd_mach_ppc_630 630 -#define bfd_mach_ppc_750 750 -#define bfd_mach_ppc_860 860 -#define bfd_mach_ppc_a35 35 -#define bfd_mach_ppc_rs64ii 642 -#define bfd_mach_ppc_rs64iii 643 -#define bfd_mach_ppc_7400 7400 -#define bfd_mach_ppc_e500 500 -#define bfd_mach_ppc_e500mc 5001 - bfd_arch_rs6000, /* IBM RS/6000 */ -#define bfd_mach_rs6k 6000 -#define bfd_mach_rs6k_rs1 6001 -#define bfd_mach_rs6k_rsc 6003 -#define bfd_mach_rs6k_rs2 6002 - bfd_arch_hppa, /* HP PA RISC */ -#define bfd_mach_hppa10 10 -#define bfd_mach_hppa11 11 -#define bfd_mach_hppa20 20 -#define bfd_mach_hppa20w 25 - bfd_arch_d10v, /* Mitsubishi D10V */ -#define bfd_mach_d10v 1 -#define bfd_mach_d10v_ts2 2 -#define bfd_mach_d10v_ts3 3 - bfd_arch_d30v, /* Mitsubishi D30V */ - bfd_arch_dlx, /* DLX */ - bfd_arch_m68hc11, /* Motorola 68HC11 */ - bfd_arch_m68hc12, /* Motorola 68HC12 */ -#define bfd_mach_m6812_default 0 -#define bfd_mach_m6812 1 -#define bfd_mach_m6812s 2 - bfd_arch_z8k, /* Zilog Z8000 */ -#define bfd_mach_z8001 1 -#define bfd_mach_z8002 2 - bfd_arch_h8500, /* Renesas H8/500 (formerly Hitachi H8/500) */ - bfd_arch_sh, /* Renesas / SuperH SH (formerly Hitachi SH) */ -#define bfd_mach_sh 1 -#define bfd_mach_sh2 0x20 -#define bfd_mach_sh_dsp 0x2d -#define bfd_mach_sh2a 0x2a -#define bfd_mach_sh2a_nofpu 0x2b -#define bfd_mach_sh2a_nofpu_or_sh4_nommu_nofpu 0x2a1 -#define bfd_mach_sh2a_nofpu_or_sh3_nommu 0x2a2 -#define bfd_mach_sh2a_or_sh4 0x2a3 -#define bfd_mach_sh2a_or_sh3e 0x2a4 -#define bfd_mach_sh2e 0x2e -#define bfd_mach_sh3 0x30 -#define bfd_mach_sh3_nommu 0x31 -#define bfd_mach_sh3_dsp 0x3d -#define bfd_mach_sh3e 0x3e -#define bfd_mach_sh4 0x40 -#define bfd_mach_sh4_nofpu 0x41 -#define bfd_mach_sh4_nommu_nofpu 0x42 -#define bfd_mach_sh4a 0x4a -#define bfd_mach_sh4a_nofpu 0x4b -#define bfd_mach_sh4al_dsp 0x4d -#define bfd_mach_sh5 0x50 - bfd_arch_alpha, /* Dec Alpha */ -#define bfd_mach_alpha_ev4 0x10 -#define bfd_mach_alpha_ev5 0x20 -#define bfd_mach_alpha_ev6 0x30 - bfd_arch_arm, /* Advanced Risc Machines ARM. */ -#define bfd_mach_arm_unknown 0 -#define bfd_mach_arm_2 1 -#define bfd_mach_arm_2a 2 -#define bfd_mach_arm_3 3 -#define bfd_mach_arm_3M 4 -#define bfd_mach_arm_4 5 -#define bfd_mach_arm_4T 6 -#define bfd_mach_arm_5 7 -#define bfd_mach_arm_5T 8 -#define bfd_mach_arm_5TE 9 -#define bfd_mach_arm_XScale 10 -#define bfd_mach_arm_ep9312 11 -#define bfd_mach_arm_iWMMXt 12 -#define bfd_mach_arm_iWMMXt2 13 - bfd_arch_ns32k, /* National Semiconductors ns32000 */ - bfd_arch_w65, /* WDC 65816 */ - bfd_arch_tic30, /* Texas Instruments TMS320C30 */ - bfd_arch_tic4x, /* Texas Instruments TMS320C3X/4X */ -#define bfd_mach_tic3x 30 -#define bfd_mach_tic4x 40 - bfd_arch_tic54x, /* Texas Instruments TMS320C54X */ - bfd_arch_tic80, /* TI TMS320c80 (MVP) */ - bfd_arch_v850, /* NEC V850 */ -#define bfd_mach_v850 1 -#define bfd_mach_v850e 'E' -#define bfd_mach_v850e1 '1' - bfd_arch_arc, /* ARC Cores */ -#define bfd_mach_arc_5 5 -#define bfd_mach_arc_6 6 -#define bfd_mach_arc_7 7 -#define bfd_mach_arc_8 8 - bfd_arch_m32c, /* Renesas M16C/M32C. */ -#define bfd_mach_m16c 0x75 -#define bfd_mach_m32c 0x78 - bfd_arch_m32r, /* Renesas M32R (formerly Mitsubishi M32R/D) */ -#define bfd_mach_m32r 1 /* For backwards compatibility. */ -#define bfd_mach_m32rx 'x' -#define bfd_mach_m32r2 '2' - bfd_arch_mn10200, /* Matsushita MN10200 */ - bfd_arch_mn10300, /* Matsushita MN10300 */ -#define bfd_mach_mn10300 300 -#define bfd_mach_am33 330 -#define bfd_mach_am33_2 332 - bfd_arch_fr30, -#define bfd_mach_fr30 0x46523330 - bfd_arch_frv, -#define bfd_mach_frv 1 -#define bfd_mach_frvsimple 2 -#define bfd_mach_fr300 300 -#define bfd_mach_fr400 400 -#define bfd_mach_fr450 450 -#define bfd_mach_frvtomcat 499 /* fr500 prototype */ -#define bfd_mach_fr500 500 -#define bfd_mach_fr550 550 - bfd_arch_moxie, /* The moxie processor */ -#define bfd_mach_moxie 1 - bfd_arch_mcore, - bfd_arch_mep, -#define bfd_mach_mep 1 -#define bfd_mach_mep_h1 0x6831 -#define bfd_mach_mep_c5 0x6335 - bfd_arch_ia64, /* HP/Intel ia64 */ -#define bfd_mach_ia64_elf64 64 -#define bfd_mach_ia64_elf32 32 - bfd_arch_ip2k, /* Ubicom IP2K microcontrollers. */ -#define bfd_mach_ip2022 1 -#define bfd_mach_ip2022ext 2 - bfd_arch_iq2000, /* Vitesse IQ2000. */ -#define bfd_mach_iq2000 1 -#define bfd_mach_iq10 2 - bfd_arch_mt, -#define bfd_mach_ms1 1 -#define bfd_mach_mrisc2 2 -#define bfd_mach_ms2 3 - bfd_arch_pj, - bfd_arch_avr, /* Atmel AVR microcontrollers. */ -#define bfd_mach_avr1 1 -#define bfd_mach_avr2 2 -#define bfd_mach_avr25 25 -#define bfd_mach_avr3 3 -#define bfd_mach_avr31 31 -#define bfd_mach_avr35 35 -#define bfd_mach_avr4 4 -#define bfd_mach_avr5 5 -#define bfd_mach_avr51 51 -#define bfd_mach_avr6 6 - bfd_arch_bfin, /* ADI Blackfin */ -#define bfd_mach_bfin 1 - bfd_arch_cr16, /* National Semiconductor CompactRISC (ie CR16). */ -#define bfd_mach_cr16 1 - bfd_arch_cr16c, /* National Semiconductor CompactRISC. */ -#define bfd_mach_cr16c 1 - bfd_arch_crx, /* National Semiconductor CRX. */ -#define bfd_mach_crx 1 - bfd_arch_cris, /* Axis CRIS */ -#define bfd_mach_cris_v0_v10 255 -#define bfd_mach_cris_v32 32 -#define bfd_mach_cris_v10_v32 1032 - bfd_arch_s390, /* IBM s390 */ -#define bfd_mach_s390_31 31 -#define bfd_mach_s390_64 64 - bfd_arch_score, /* Sunplus score */ -#define bfd_mach_score3 3 -#define bfd_mach_score7 7 - bfd_arch_openrisc, /* OpenRISC */ - bfd_arch_mmix, /* Donald Knuth's educational processor. */ - bfd_arch_xstormy16, -#define bfd_mach_xstormy16 1 - bfd_arch_msp430, /* Texas Instruments MSP430 architecture. */ -#define bfd_mach_msp11 11 -#define bfd_mach_msp110 110 -#define bfd_mach_msp12 12 -#define bfd_mach_msp13 13 -#define bfd_mach_msp14 14 -#define bfd_mach_msp15 15 -#define bfd_mach_msp16 16 -#define bfd_mach_msp21 21 -#define bfd_mach_msp31 31 -#define bfd_mach_msp32 32 -#define bfd_mach_msp33 33 -#define bfd_mach_msp41 41 -#define bfd_mach_msp42 42 -#define bfd_mach_msp43 43 -#define bfd_mach_msp44 44 - bfd_arch_xc16x, /* Infineon's XC16X Series. */ -#define bfd_mach_xc16x 1 -#define bfd_mach_xc16xl 2 -#define bfd_mach_xc16xs 3 - bfd_arch_xtensa, /* Tensilica's Xtensa cores. */ -#define bfd_mach_xtensa 1 - bfd_arch_maxq, /* Dallas MAXQ 10/20 */ -#define bfd_mach_maxq10 10 -#define bfd_mach_maxq20 20 - bfd_arch_z80, -#define bfd_mach_z80strict 1 /* No undocumented opcodes. */ -#define bfd_mach_z80 3 /* With ixl, ixh, iyl, and iyh. */ -#define bfd_mach_z80full 7 /* All undocumented instructions. */ -#define bfd_mach_r800 11 /* R800: successor with multiplication. */ - bfd_arch_lm32, /* Lattice Mico32 */ -#define bfd_mach_lm32 1 - bfd_arch_microblaze,/* Xilinx MicroBlaze. */ - bfd_arch_last - @}; -@end example - -@subsection bfd_arch_info - - -@strong{Description}@* -This structure contains information on architectures for use -within BFD. -@example - -typedef struct bfd_arch_info -@{ - int bits_per_word; - int bits_per_address; - int bits_per_byte; - enum bfd_architecture arch; - unsigned long mach; - const char *arch_name; - const char *printable_name; - unsigned int section_align_power; - /* TRUE if this is the default machine for the architecture. - The default arch should be the first entry for an arch so that - all the entries for that arch can be accessed via @code{next}. */ - bfd_boolean the_default; - const struct bfd_arch_info * (*compatible) - (const struct bfd_arch_info *a, const struct bfd_arch_info *b); - - bfd_boolean (*scan) (const struct bfd_arch_info *, const char *); - - const struct bfd_arch_info *next; -@} -bfd_arch_info_type; - -@end example - -@findex bfd_printable_name -@subsubsection @code{bfd_printable_name} -@strong{Synopsis} -@example -const char *bfd_printable_name (bfd *abfd); -@end example -@strong{Description}@* -Return a printable string representing the architecture and machine -from the pointer to the architecture info structure. - -@findex bfd_scan_arch -@subsubsection @code{bfd_scan_arch} -@strong{Synopsis} -@example -const bfd_arch_info_type *bfd_scan_arch (const char *string); -@end example -@strong{Description}@* -Figure out if BFD supports any cpu which could be described with -the name @var{string}. Return a pointer to an @code{arch_info} -structure if a machine is found, otherwise NULL. - -@findex bfd_arch_list -@subsubsection @code{bfd_arch_list} -@strong{Synopsis} -@example -const char **bfd_arch_list (void); -@end example -@strong{Description}@* -Return a freshly malloced NULL-terminated vector of the names -of all the valid BFD architectures. Do not modify the names. - -@findex bfd_arch_get_compatible -@subsubsection @code{bfd_arch_get_compatible} -@strong{Synopsis} -@example -const bfd_arch_info_type *bfd_arch_get_compatible - (const bfd *abfd, const bfd *bbfd, bfd_boolean accept_unknowns); -@end example -@strong{Description}@* -Determine whether two BFDs' architectures and machine types -are compatible. Calculates the lowest common denominator -between the two architectures and machine types implied by -the BFDs and returns a pointer to an @code{arch_info} structure -describing the compatible machine. - -@findex bfd_default_arch_struct -@subsubsection @code{bfd_default_arch_struct} -@strong{Description}@* -The @code{bfd_default_arch_struct} is an item of -@code{bfd_arch_info_type} which has been initialized to a fairly -generic state. A BFD starts life by pointing to this -structure, until the correct back end has determined the real -architecture of the file. -@example -extern const bfd_arch_info_type bfd_default_arch_struct; -@end example - -@findex bfd_set_arch_info -@subsubsection @code{bfd_set_arch_info} -@strong{Synopsis} -@example -void bfd_set_arch_info (bfd *abfd, const bfd_arch_info_type *arg); -@end example -@strong{Description}@* -Set the architecture info of @var{abfd} to @var{arg}. - -@findex bfd_default_set_arch_mach -@subsubsection @code{bfd_default_set_arch_mach} -@strong{Synopsis} -@example -bfd_boolean bfd_default_set_arch_mach - (bfd *abfd, enum bfd_architecture arch, unsigned long mach); -@end example -@strong{Description}@* -Set the architecture and machine type in BFD @var{abfd} -to @var{arch} and @var{mach}. Find the correct -pointer to a structure and insert it into the @code{arch_info} -pointer. - -@findex bfd_get_arch -@subsubsection @code{bfd_get_arch} -@strong{Synopsis} -@example -enum bfd_architecture bfd_get_arch (bfd *abfd); -@end example -@strong{Description}@* -Return the enumerated type which describes the BFD @var{abfd}'s -architecture. - -@findex bfd_get_mach -@subsubsection @code{bfd_get_mach} -@strong{Synopsis} -@example -unsigned long bfd_get_mach (bfd *abfd); -@end example -@strong{Description}@* -Return the long type which describes the BFD @var{abfd}'s -machine. - -@findex bfd_arch_bits_per_byte -@subsubsection @code{bfd_arch_bits_per_byte} -@strong{Synopsis} -@example -unsigned int bfd_arch_bits_per_byte (bfd *abfd); -@end example -@strong{Description}@* -Return the number of bits in one of the BFD @var{abfd}'s -architecture's bytes. - -@findex bfd_arch_bits_per_address -@subsubsection @code{bfd_arch_bits_per_address} -@strong{Synopsis} -@example -unsigned int bfd_arch_bits_per_address (bfd *abfd); -@end example -@strong{Description}@* -Return the number of bits in one of the BFD @var{abfd}'s -architecture's addresses. - -@findex bfd_default_compatible -@subsubsection @code{bfd_default_compatible} -@strong{Synopsis} -@example -const bfd_arch_info_type *bfd_default_compatible - (const bfd_arch_info_type *a, const bfd_arch_info_type *b); -@end example -@strong{Description}@* -The default function for testing for compatibility. - -@findex bfd_default_scan -@subsubsection @code{bfd_default_scan} -@strong{Synopsis} -@example -bfd_boolean bfd_default_scan - (const struct bfd_arch_info *info, const char *string); -@end example -@strong{Description}@* -The default function for working out whether this is an -architecture hit and a machine hit. - -@findex bfd_get_arch_info -@subsubsection @code{bfd_get_arch_info} -@strong{Synopsis} -@example -const bfd_arch_info_type *bfd_get_arch_info (bfd *abfd); -@end example -@strong{Description}@* -Return the architecture info struct in @var{abfd}. - -@findex bfd_lookup_arch -@subsubsection @code{bfd_lookup_arch} -@strong{Synopsis} -@example -const bfd_arch_info_type *bfd_lookup_arch - (enum bfd_architecture arch, unsigned long machine); -@end example -@strong{Description}@* -Look for the architecture info structure which matches the -arguments @var{arch} and @var{machine}. A machine of 0 matches the -machine/architecture structure which marks itself as the -default. - -@findex bfd_printable_arch_mach -@subsubsection @code{bfd_printable_arch_mach} -@strong{Synopsis} -@example -const char *bfd_printable_arch_mach - (enum bfd_architecture arch, unsigned long machine); -@end example -@strong{Description}@* -Return a printable string representing the architecture and -machine type. - -This routine is depreciated. - -@findex bfd_octets_per_byte -@subsubsection @code{bfd_octets_per_byte} -@strong{Synopsis} -@example -unsigned int bfd_octets_per_byte (bfd *abfd); -@end example -@strong{Description}@* -Return the number of octets (8-bit quantities) per target byte -(minimum addressable unit). In most cases, this will be one, but some -DSP targets have 16, 32, or even 48 bits per byte. - -@findex bfd_arch_mach_octets_per_byte -@subsubsection @code{bfd_arch_mach_octets_per_byte} -@strong{Synopsis} -@example -unsigned int bfd_arch_mach_octets_per_byte - (enum bfd_architecture arch, unsigned long machine); -@end example -@strong{Description}@* -See bfd_octets_per_byte. - -This routine is provided for those cases where a bfd * is not -available -

archures.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: bfd.info =================================================================== --- bfd.info (revision 816) +++ bfd.info (nonexistent) @@ -1,11288 +0,0 @@ -This is bfd.info, produced by makeinfo version 4.8 from bfd.texinfo. - -START-INFO-DIR-ENTRY -* Bfd: (bfd). The Binary File Descriptor library. -END-INFO-DIR-ENTRY - - This file documents the BFD library. - - Copyright (C) 1991, 2000, 2001, 2003, 2006, 2007, 2008 Free Software -Foundation, Inc. - - Permission is granted to copy, distribute and/or modify this document -under the terms of the GNU Free Documentation License, Version 1.3 or -any later version published by the Free Software Foundation; with the -Invariant Sections being "GNU General Public License" and "Funding Free -Software", the Front-Cover texts being (a) (see below), and with the -Back-Cover Texts being (b) (see below). A copy of the license is -included in the section entitled "GNU Free Documentation License". - - (a) The FSF's Front-Cover Text is: - - A GNU Manual - - (b) The FSF's Back-Cover Text is: - - You have freedom to copy and modify this GNU Manual, like GNU -software. Copies published by the Free Software Foundation raise -funds for GNU development. - - -File: bfd.info, Node: Top, Next: Overview, Prev: (dir), Up: (dir) - - This file documents the binary file descriptor library libbfd. - -* Menu: - -* Overview:: Overview of BFD -* BFD front end:: BFD front end -* BFD back ends:: BFD back ends -* GNU Free Documentation License:: GNU Free Documentation License -* BFD Index:: BFD Index - - -File: bfd.info, Node: Overview, Next: BFD front end, Prev: Top, Up: Top - -1 Introduction -************** - -BFD is a package which allows applications to use the same routines to -operate on object files whatever the object file format. A new object -file format can be supported simply by creating a new BFD back end and -adding it to the library. - - BFD is split into two parts: the front end, and the back ends (one -for each object file format). - * The front end of BFD provides the interface to the user. It manages - memory and various canonical data structures. The front end also - decides which back end to use and when to call back end routines. - - * The back ends provide BFD its view of the real world. Each back - end provides a set of calls which the BFD front end can use to - maintain its canonical form. The back ends also may keep around - information for their own use, for greater efficiency. - -* Menu: - -* History:: History -* How It Works:: How It Works -* What BFD Version 2 Can Do:: What BFD Version 2 Can Do - - -File: bfd.info, Node: History, Next: How It Works, Prev: Overview, Up: Overview - -1.1 History -=========== - -One spur behind BFD was the desire, on the part of the GNU 960 team at -Intel Oregon, for interoperability of applications on their COFF and -b.out file formats. Cygnus was providing GNU support for the team, and -was contracted to provide the required functionality. - - The name came from a conversation David Wallace was having with -Richard Stallman about the library: RMS said that it would be quite -hard--David said "BFD". Stallman was right, but the name stuck. - - At the same time, Ready Systems wanted much the same thing, but for -different object file formats: IEEE-695, Oasys, Srecords, a.out and 68k -coff. - - BFD was first implemented by members of Cygnus Support; Steve -Chamberlain (`sac@cygnus.com'), John Gilmore (`gnu@cygnus.com'), K. -Richard Pixley (`rich@cygnus.com') and David Henkel-Wallace -(`gumby@cygnus.com'). - - -File: bfd.info, Node: How It Works, Next: What BFD Version 2 Can Do, Prev: History, Up: Overview - -1.2 How To Use BFD -================== - -To use the library, include `bfd.h' and link with `libbfd.a'. - - BFD provides a common interface to the parts of an object file for a -calling application. - - When an application successfully opens a target file (object, -archive, or whatever), a pointer to an internal structure is returned. -This pointer points to a structure called `bfd', described in `bfd.h'. -Our convention is to call this pointer a BFD, and instances of it -within code `abfd'. All operations on the target object file are -applied as methods to the BFD. The mapping is defined within `bfd.h' -in a set of macros, all beginning with `bfd_' to reduce namespace -pollution. - - For example, this sequence does what you would probably expect: -return the number of sections in an object file attached to a BFD -`abfd'. - - #include "bfd.h" - - unsigned int number_of_sections (abfd) - bfd *abfd; - { - return bfd_count_sections (abfd); - } - - The abstraction used within BFD is that an object file has: - - * a header, - - * a number of sections containing raw data (*note Sections::), - - * a set of relocations (*note Relocations::), and - - * some symbol information (*note Symbols::). - Also, BFDs opened for archives have the additional attribute of an -index and contain subordinate BFDs. This approach is fine for a.out and -coff, but loses efficiency when applied to formats such as S-records and -IEEE-695. - - -File: bfd.info, Node: What BFD Version 2 Can Do, Prev: How It Works, Up: Overview - -1.3 What BFD Version 2 Can Do -============================= - -When an object file is opened, BFD subroutines automatically determine -the format of the input object file. They then build a descriptor in -memory with pointers to routines that will be used to access elements of -the object file's data structures. - - As different information from the object files is required, BFD -reads from different sections of the file and processes them. For -example, a very common operation for the linker is processing symbol -tables. Each BFD back end provides a routine for converting between -the object file's representation of symbols and an internal canonical -format. When the linker asks for the symbol table of an object file, it -calls through a memory pointer to the routine from the relevant BFD -back end which reads and converts the table into a canonical form. The -linker then operates upon the canonical form. When the link is finished -and the linker writes the output file's symbol table, another BFD back -end routine is called to take the newly created symbol table and -convert it into the chosen output format. - -* Menu: - -* BFD information loss:: Information Loss -* Canonical format:: The BFD canonical object-file format - - -File: bfd.info, Node: BFD information loss, Next: Canonical format, Up: What BFD Version 2 Can Do - -1.3.1 Information Loss ----------------------- - -_Information can be lost during output._ The output formats supported -by BFD do not provide identical facilities, and information which can -be described in one form has nowhere to go in another format. One -example of this is alignment information in `b.out'. There is nowhere -in an `a.out' format file to store alignment information on the -contained data, so when a file is linked from `b.out' and an `a.out' -image is produced, alignment information will not propagate to the -output file. (The linker will still use the alignment information -internally, so the link is performed correctly). - - Another example is COFF section names. COFF files may contain an -unlimited number of sections, each one with a textual section name. If -the target of the link is a format which does not have many sections -(e.g., `a.out') or has sections without names (e.g., the Oasys format), -the link cannot be done simply. You can circumvent this problem by -describing the desired input-to-output section mapping with the linker -command language. - - _Information can be lost during canonicalization._ The BFD internal -canonical form of the external formats is not exhaustive; there are -structures in input formats for which there is no direct representation -internally. This means that the BFD back ends cannot maintain all -possible data richness through the transformation between external to -internal and back to external formats. - - This limitation is only a problem when an application reads one -format and writes another. Each BFD back end is responsible for -maintaining as much data as possible, and the internal BFD canonical -form has structures which are opaque to the BFD core, and exported only -to the back ends. When a file is read in one format, the canonical form -is generated for BFD and the application. At the same time, the back -end saves away any information which may otherwise be lost. If the data -is then written back in the same format, the back end routine will be -able to use the canonical form provided by the BFD core as well as the -information it prepared earlier. Since there is a great deal of -commonality between back ends, there is no information lost when -linking or copying big endian COFF to little endian COFF, or `a.out' to -`b.out'. When a mixture of formats is linked, the information is only -lost from the files whose format differs from the destination. - - -File: bfd.info, Node: Canonical format, Prev: BFD information loss, Up: What BFD Version 2 Can Do - -1.3.2 The BFD canonical object-file format ------------------------------------------- - -The greatest potential for loss of information occurs when there is the -least overlap between the information provided by the source format, -that stored by the canonical format, and that needed by the destination -format. A brief description of the canonical form may help you -understand which kinds of data you can count on preserving across -conversions. - -_files_ - Information stored on a per-file basis includes target machine - architecture, particular implementation format type, a demand - pageable bit, and a write protected bit. Information like Unix - magic numbers is not stored here--only the magic numbers' meaning, - so a `ZMAGIC' file would have both the demand pageable bit and the - write protected text bit set. The byte order of the target is - stored on a per-file basis, so that big- and little-endian object - files may be used with one another. - -_sections_ - Each section in the input file contains the name of the section, - the section's original address in the object file, size and - alignment information, various flags, and pointers into other BFD - data structures. - -_symbols_ - Each symbol contains a pointer to the information for the object - file which originally defined it, its name, its value, and various - flag bits. When a BFD back end reads in a symbol table, it - relocates all symbols to make them relative to the base of the - section where they were defined. Doing this ensures that each - symbol points to its containing section. Each symbol also has a - varying amount of hidden private data for the BFD back end. Since - the symbol points to the original file, the private data format - for that symbol is accessible. `ld' can operate on a collection - of symbols of wildly different formats without problems. - - Normal global and simple local symbols are maintained on output, - so an output file (no matter its format) will retain symbols - pointing to functions and to global, static, and common variables. - Some symbol information is not worth retaining; in `a.out', type - information is stored in the symbol table as long symbol names. - This information would be useless to most COFF debuggers; the - linker has command line switches to allow users to throw it away. - - There is one word of type information within the symbol, so if the - format supports symbol type information within symbols (for - example, COFF, IEEE, Oasys) and the type is simple enough to fit - within one word (nearly everything but aggregates), the - information will be preserved. - -_relocation level_ - Each canonical BFD relocation record contains a pointer to the - symbol to relocate to, the offset of the data to relocate, the - section the data is in, and a pointer to a relocation type - descriptor. Relocation is performed by passing messages through - the relocation type descriptor and the symbol pointer. Therefore, - relocations can be performed on output data using a relocation - method that is only available in one of the input formats. For - instance, Oasys provides a byte relocation format. A relocation - record requesting this relocation type would point indirectly to a - routine to perform this, so the relocation may be performed on a - byte being written to a 68k COFF file, even though 68k COFF has no - such relocation type. - -_line numbers_ - Object formats can contain, for debugging purposes, some form of - mapping between symbols, source line numbers, and addresses in the - output file. These addresses have to be relocated along with the - symbol information. Each symbol with an associated list of line - number records points to the first record of the list. The head - of a line number list consists of a pointer to the symbol, which - allows finding out the address of the function whose line number - is being described. The rest of the list is made up of pairs: - offsets into the section and line numbers. Any format which can - simply derive this information can pass it successfully between - formats (COFF, IEEE and Oasys). - - -File: bfd.info, Node: BFD front end, Next: BFD back ends, Prev: Overview, Up: Top - -2 BFD Front End -*************** - -2.1 `typedef bfd' -================= - -A BFD has type `bfd'; objects of this type are the cornerstone of any -application using BFD. Using BFD consists of making references though -the BFD and to data in the BFD. - - Here is the structure that defines the type `bfd'. It contains the -major data about the file and pointers to the rest of the data. - - - enum bfd_direction - { - no_direction = 0, - read_direction = 1, - write_direction = 2, - both_direction = 3 - }; - - struct bfd - { - /* A unique identifier of the BFD */ - unsigned int id; - - /* The filename the application opened the BFD with. */ - const char *filename; - - /* A pointer to the target jump table. */ - const struct bfd_target *xvec; - - /* The IOSTREAM, and corresponding IO vector that provide access - to the file backing the BFD. */ - void *iostream; - const struct bfd_iovec *iovec; - - /* The caching routines use these to maintain a - least-recently-used list of BFDs. */ - struct bfd *lru_prev, *lru_next; - - /* When a file is closed by the caching routines, BFD retains - state information on the file here... */ - ufile_ptr where; - - /* File modified time, if mtime_set is TRUE. */ - long mtime; - - /* Reserved for an unimplemented file locking extension. */ - int ifd; - - /* The format which belongs to the BFD. (object, core, etc.) */ - bfd_format format; - - /* The direction with which the BFD was opened. */ - enum bfd_direction direction; - - /* Format_specific flags. */ - flagword flags; - - /* Values that may appear in the flags field of a BFD. These also - appear in the object_flags field of the bfd_target structure, where - they indicate the set of flags used by that backend (not all flags - are meaningful for all object file formats) (FIXME: at the moment, - the object_flags values have mostly just been copied from backend - to another, and are not necessarily correct). */ - - #define BFD_NO_FLAGS 0x00 - - /* BFD contains relocation entries. */ - #define HAS_RELOC 0x01 - - /* BFD is directly executable. */ - #define EXEC_P 0x02 - - /* BFD has line number information (basically used for F_LNNO in a - COFF header). */ - #define HAS_LINENO 0x04 - - /* BFD has debugging information. */ - #define HAS_DEBUG 0x08 - - /* BFD has symbols. */ - #define HAS_SYMS 0x10 - - /* BFD has local symbols (basically used for F_LSYMS in a COFF - header). */ - #define HAS_LOCALS 0x20 - - /* BFD is a dynamic object. */ - #define DYNAMIC 0x40 - - /* Text section is write protected (if D_PAGED is not set, this is - like an a.out NMAGIC file) (the linker sets this by default, but - clears it for -r or -N). */ - #define WP_TEXT 0x80 - - /* BFD is dynamically paged (this is like an a.out ZMAGIC file) (the - linker sets this by default, but clears it for -r or -n or -N). */ - #define D_PAGED 0x100 - - /* BFD is relaxable (this means that bfd_relax_section may be able to - do something) (sometimes bfd_relax_section can do something even if - this is not set). */ - #define BFD_IS_RELAXABLE 0x200 - - /* This may be set before writing out a BFD to request using a - traditional format. For example, this is used to request that when - writing out an a.out object the symbols not be hashed to eliminate - duplicates. */ - #define BFD_TRADITIONAL_FORMAT 0x400 - - /* This flag indicates that the BFD contents are actually cached - in memory. If this is set, iostream points to a bfd_in_memory - struct. */ - #define BFD_IN_MEMORY 0x800 - - /* The sections in this BFD specify a memory page. */ - #define HAS_LOAD_PAGE 0x1000 - - /* This BFD has been created by the linker and doesn't correspond - to any input file. */ - #define BFD_LINKER_CREATED 0x2000 - - /* This may be set before writing out a BFD to request that it - be written using values for UIDs, GIDs, timestamps, etc. that - will be consistent from run to run. */ - #define BFD_DETERMINISTIC_OUTPUT 0x4000 - - /* Currently my_archive is tested before adding origin to - anything. I believe that this can become always an add of - origin, with origin set to 0 for non archive files. */ - ufile_ptr origin; - - /* The origin in the archive of the proxy entry. This will - normally be the same as origin, except for thin archives, - when it will contain the current offset of the proxy in the - thin archive rather than the offset of the bfd in its actual - container. */ - ufile_ptr proxy_origin; - - /* A hash table for section names. */ - struct bfd_hash_table section_htab; - - /* Pointer to linked list of sections. */ - struct bfd_section *sections; - - /* The last section on the section list. */ - struct bfd_section *section_last; - - /* The number of sections. */ - unsigned int section_count; - - /* Stuff only useful for object files: - The start address. */ - bfd_vma start_address; - - /* Used for input and output. */ - unsigned int symcount; - - /* Symbol table for output BFD (with symcount entries). - Also used by the linker to cache input BFD symbols. */ - struct bfd_symbol **outsymbols; - - /* Used for slurped dynamic symbol tables. */ - unsigned int dynsymcount; - - /* Pointer to structure which contains architecture information. */ - const struct bfd_arch_info *arch_info; - - /* Stuff only useful for archives. */ - void *arelt_data; - struct bfd *my_archive; /* The containing archive BFD. */ - struct bfd *archive_next; /* The next BFD in the archive. */ - struct bfd *archive_head; /* The first BFD in the archive. */ - struct bfd *nested_archives; /* List of nested archive in a flattened - thin archive. */ - - /* A chain of BFD structures involved in a link. */ - struct bfd *link_next; - - /* A field used by _bfd_generic_link_add_archive_symbols. This will - be used only for archive elements. */ - int archive_pass; - - /* Used by the back end to hold private data. */ - union - { - struct aout_data_struct *aout_data; - struct artdata *aout_ar_data; - struct _oasys_data *oasys_obj_data; - struct _oasys_ar_data *oasys_ar_data; - struct coff_tdata *coff_obj_data; - struct pe_tdata *pe_obj_data; - struct xcoff_tdata *xcoff_obj_data; - struct ecoff_tdata *ecoff_obj_data; - struct ieee_data_struct *ieee_data; - struct ieee_ar_data_struct *ieee_ar_data; - struct srec_data_struct *srec_data; - struct verilog_data_struct *verilog_data; - struct ihex_data_struct *ihex_data; - struct tekhex_data_struct *tekhex_data; - struct elf_obj_tdata *elf_obj_data; - struct nlm_obj_tdata *nlm_obj_data; - struct bout_data_struct *bout_data; - struct mmo_data_struct *mmo_data; - struct sun_core_struct *sun_core_data; - struct sco5_core_struct *sco5_core_data; - struct trad_core_struct *trad_core_data; - struct som_data_struct *som_data; - struct hpux_core_struct *hpux_core_data; - struct hppabsd_core_struct *hppabsd_core_data; - struct sgi_core_struct *sgi_core_data; - struct lynx_core_struct *lynx_core_data; - struct osf_core_struct *osf_core_data; - struct cisco_core_struct *cisco_core_data; - struct versados_data_struct *versados_data; - struct netbsd_core_struct *netbsd_core_data; - struct mach_o_data_struct *mach_o_data; - struct mach_o_fat_data_struct *mach_o_fat_data; - struct plugin_data_struct *plugin_data; - struct bfd_pef_data_struct *pef_data; - struct bfd_pef_xlib_data_struct *pef_xlib_data; - struct bfd_sym_data_struct *sym_data; - void *any; - } - tdata; - - /* Used by the application to hold private data. */ - void *usrdata; - - /* Where all the allocated stuff under this BFD goes. This is a - struct objalloc *, but we use void * to avoid requiring the inclusion - of objalloc.h. */ - void *memory; - - /* Is the file descriptor being cached? That is, can it be closed as - needed, and re-opened when accessed later? */ - unsigned int cacheable : 1; - - /* Marks whether there was a default target specified when the - BFD was opened. This is used to select which matching algorithm - to use to choose the back end. */ - unsigned int target_defaulted : 1; - - /* ... and here: (``once'' means at least once). */ - unsigned int opened_once : 1; - - /* Set if we have a locally maintained mtime value, rather than - getting it from the file each time. */ - unsigned int mtime_set : 1; - - /* Flag set if symbols from this BFD should not be exported. */ - unsigned int no_export : 1; - - /* Remember when output has begun, to stop strange things - from happening. */ - unsigned int output_has_begun : 1; - - /* Have archive map. */ - unsigned int has_armap : 1; - - /* Set if this is a thin archive. */ - unsigned int is_thin_archive : 1; - }; - -2.2 Error reporting -=================== - -Most BFD functions return nonzero on success (check their individual -documentation for precise semantics). On an error, they call -`bfd_set_error' to set an error condition that callers can check by -calling `bfd_get_error'. If that returns `bfd_error_system_call', then -check `errno'. - - The easiest way to report a BFD error to the user is to use -`bfd_perror'. - -2.2.1 Type `bfd_error_type' ---------------------------- - -The values returned by `bfd_get_error' are defined by the enumerated -type `bfd_error_type'. - - - typedef enum bfd_error - { - bfd_error_no_error = 0, - bfd_error_system_call, - bfd_error_invalid_target, - bfd_error_wrong_format, - bfd_error_wrong_object_format, - bfd_error_invalid_operation, - bfd_error_no_memory, - bfd_error_no_symbols, - bfd_error_no_armap, - bfd_error_no_more_archived_files, - bfd_error_malformed_archive, - bfd_error_file_not_recognized, - bfd_error_file_ambiguously_recognized, - bfd_error_no_contents, - bfd_error_nonrepresentable_section, - bfd_error_no_debug_section, - bfd_error_bad_value, - bfd_error_file_truncated, - bfd_error_file_too_big, - bfd_error_on_input, - bfd_error_invalid_error_code - } - bfd_error_type; - -2.2.1.1 `bfd_get_error' -....................... - -*Synopsis* - bfd_error_type bfd_get_error (void); - *Description* -Return the current BFD error condition. - -2.2.1.2 `bfd_set_error' -....................... - -*Synopsis* - void bfd_set_error (bfd_error_type error_tag, ...); - *Description* -Set the BFD error condition to be ERROR_TAG. If ERROR_TAG is -bfd_error_on_input, then this function takes two more parameters, the -input bfd where the error occurred, and the bfd_error_type error. - -2.2.1.3 `bfd_errmsg' -.................... - -*Synopsis* - const char *bfd_errmsg (bfd_error_type error_tag); - *Description* -Return a string describing the error ERROR_TAG, or the system error if -ERROR_TAG is `bfd_error_system_call'. - -2.2.1.4 `bfd_perror' -.................... - -*Synopsis* - void bfd_perror (const char *message); - *Description* -Print to the standard error stream a string describing the last BFD -error that occurred, or the last system error if the last BFD error was -a system call failure. If MESSAGE is non-NULL and non-empty, the error -string printed is preceded by MESSAGE, a colon, and a space. It is -followed by a newline. - -2.2.2 BFD error handler ------------------------ - -Some BFD functions want to print messages describing the problem. They -call a BFD error handler function. This function may be overridden by -the program. - - The BFD error handler acts like printf. - - - typedef void (*bfd_error_handler_type) (const char *, ...); - -2.2.2.1 `bfd_set_error_handler' -............................... - -*Synopsis* - bfd_error_handler_type bfd_set_error_handler (bfd_error_handler_type); - *Description* -Set the BFD error handler function. Returns the previous function. - -2.2.2.2 `bfd_set_error_program_name' -.................................... - -*Synopsis* - void bfd_set_error_program_name (const char *); - *Description* -Set the program name to use when printing a BFD error. This is printed -before the error message followed by a colon and space. The string -must not be changed after it is passed to this function. - -2.2.2.3 `bfd_get_error_handler' -............................... - -*Synopsis* - bfd_error_handler_type bfd_get_error_handler (void); - *Description* -Return the BFD error handler function. - -2.3 Miscellaneous -================= - -2.3.1 Miscellaneous functions ------------------------------ - -2.3.1.1 `bfd_get_reloc_upper_bound' -................................... - -*Synopsis* - long bfd_get_reloc_upper_bound (bfd *abfd, asection *sect); - *Description* -Return the number of bytes required to store the relocation information -associated with section SECT attached to bfd ABFD. If an error occurs, -return -1. - -2.3.1.2 `bfd_canonicalize_reloc' -................................ - -*Synopsis* - long bfd_canonicalize_reloc - (bfd *abfd, asection *sec, arelent **loc, asymbol **syms); - *Description* -Call the back end associated with the open BFD ABFD and translate the -external form of the relocation information attached to SEC into the -internal canonical form. Place the table into memory at LOC, which has -been preallocated, usually by a call to `bfd_get_reloc_upper_bound'. -Returns the number of relocs, or -1 on error. - - The SYMS table is also needed for horrible internal magic reasons. - -2.3.1.3 `bfd_set_reloc' -....................... - -*Synopsis* - void bfd_set_reloc - (bfd *abfd, asection *sec, arelent **rel, unsigned int count); - *Description* -Set the relocation pointer and count within section SEC to the values -REL and COUNT. The argument ABFD is ignored. - -2.3.1.4 `bfd_set_file_flags' -............................ - -*Synopsis* - bfd_boolean bfd_set_file_flags (bfd *abfd, flagword flags); - *Description* -Set the flag word in the BFD ABFD to the value FLAGS. - - Possible errors are: - * `bfd_error_wrong_format' - The target bfd was not of object format. - - * `bfd_error_invalid_operation' - The target bfd was open for - reading. - - * `bfd_error_invalid_operation' - The flag word contained a bit - which was not applicable to the type of file. E.g., an attempt - was made to set the `D_PAGED' bit on a BFD format which does not - support demand paging. - -2.3.1.5 `bfd_get_arch_size' -........................... - -*Synopsis* - int bfd_get_arch_size (bfd *abfd); - *Description* -Returns the architecture address size, in bits, as determined by the -object file's format. For ELF, this information is included in the -header. - - *Returns* -Returns the arch size in bits if known, `-1' otherwise. - -2.3.1.6 `bfd_get_sign_extend_vma' -................................. - -*Synopsis* - int bfd_get_sign_extend_vma (bfd *abfd); - *Description* -Indicates if the target architecture "naturally" sign extends an -address. Some architectures implicitly sign extend address values when -they are converted to types larger than the size of an address. For -instance, bfd_get_start_address() will return an address sign extended -to fill a bfd_vma when this is the case. - - *Returns* -Returns `1' if the target architecture is known to sign extend -addresses, `0' if the target architecture is known to not sign extend -addresses, and `-1' otherwise. - -2.3.1.7 `bfd_set_start_address' -............................... - -*Synopsis* - bfd_boolean bfd_set_start_address (bfd *abfd, bfd_vma vma); - *Description* -Make VMA the entry point of output BFD ABFD. - - *Returns* -Returns `TRUE' on success, `FALSE' otherwise. - -2.3.1.8 `bfd_get_gp_size' -......................... - -*Synopsis* - unsigned int bfd_get_gp_size (bfd *abfd); - *Description* -Return the maximum size of objects to be optimized using the GP -register under MIPS ECOFF. This is typically set by the `-G' argument -to the compiler, assembler or linker. - -2.3.1.9 `bfd_set_gp_size' -......................... - -*Synopsis* - void bfd_set_gp_size (bfd *abfd, unsigned int i); - *Description* -Set the maximum size of objects to be optimized using the GP register -under ECOFF or MIPS ELF. This is typically set by the `-G' argument to -the compiler, assembler or linker. - -2.3.1.10 `bfd_scan_vma' -....................... - -*Synopsis* - bfd_vma bfd_scan_vma (const char *string, const char **end, int base); - *Description* -Convert, like `strtoul', a numerical expression STRING into a `bfd_vma' -integer, and return that integer. (Though without as many bells and -whistles as `strtoul'.) The expression is assumed to be unsigned -(i.e., positive). If given a BASE, it is used as the base for -conversion. A base of 0 causes the function to interpret the string in -hex if a leading "0x" or "0X" is found, otherwise in octal if a leading -zero is found, otherwise in decimal. - - If the value would overflow, the maximum `bfd_vma' value is returned. - -2.3.1.11 `bfd_copy_private_header_data' -....................................... - -*Synopsis* - bfd_boolean bfd_copy_private_header_data (bfd *ibfd, bfd *obfd); - *Description* -Copy private BFD header information from the BFD IBFD to the the BFD -OBFD. This copies information that may require sections to exist, but -does not require symbol tables. Return `true' on success, `false' on -error. Possible error returns are: - - * `bfd_error_no_memory' - Not enough memory exists to create private - data for OBFD. - - #define bfd_copy_private_header_data(ibfd, obfd) \ - BFD_SEND (obfd, _bfd_copy_private_header_data, \ - (ibfd, obfd)) - -2.3.1.12 `bfd_copy_private_bfd_data' -.................................... - -*Synopsis* - bfd_boolean bfd_copy_private_bfd_data (bfd *ibfd, bfd *obfd); - *Description* -Copy private BFD information from the BFD IBFD to the the BFD OBFD. -Return `TRUE' on success, `FALSE' on error. Possible error returns are: - - * `bfd_error_no_memory' - Not enough memory exists to create private - data for OBFD. - - #define bfd_copy_private_bfd_data(ibfd, obfd) \ - BFD_SEND (obfd, _bfd_copy_private_bfd_data, \ - (ibfd, obfd)) - -2.3.1.13 `bfd_merge_private_bfd_data' -..................................... - -*Synopsis* - bfd_boolean bfd_merge_private_bfd_data (bfd *ibfd, bfd *obfd); - *Description* -Merge private BFD information from the BFD IBFD to the the output file -BFD OBFD when linking. Return `TRUE' on success, `FALSE' on error. -Possible error returns are: - - * `bfd_error_no_memory' - Not enough memory exists to create private - data for OBFD. - - #define bfd_merge_private_bfd_data(ibfd, obfd) \ - BFD_SEND (obfd, _bfd_merge_private_bfd_data, \ - (ibfd, obfd)) - -2.3.1.14 `bfd_set_private_flags' -................................ - -*Synopsis* - bfd_boolean bfd_set_private_flags (bfd *abfd, flagword flags); - *Description* -Set private BFD flag information in the BFD ABFD. Return `TRUE' on -success, `FALSE' on error. Possible error returns are: - - * `bfd_error_no_memory' - Not enough memory exists to create private - data for OBFD. - - #define bfd_set_private_flags(abfd, flags) \ - BFD_SEND (abfd, _bfd_set_private_flags, (abfd, flags)) - -2.3.1.15 `Other functions' -.......................... - -*Description* -The following functions exist but have not yet been documented. - #define bfd_sizeof_headers(abfd, info) \ - BFD_SEND (abfd, _bfd_sizeof_headers, (abfd, info)) - - #define bfd_find_nearest_line(abfd, sec, syms, off, file, func, line) \ - BFD_SEND (abfd, _bfd_find_nearest_line, \ - (abfd, sec, syms, off, file, func, line)) - - #define bfd_find_line(abfd, syms, sym, file, line) \ - BFD_SEND (abfd, _bfd_find_line, \ - (abfd, syms, sym, file, line)) - - #define bfd_find_inliner_info(abfd, file, func, line) \ - BFD_SEND (abfd, _bfd_find_inliner_info, \ - (abfd, file, func, line)) - - #define bfd_debug_info_start(abfd) \ - BFD_SEND (abfd, _bfd_debug_info_start, (abfd)) - - #define bfd_debug_info_end(abfd) \ - BFD_SEND (abfd, _bfd_debug_info_end, (abfd)) - - #define bfd_debug_info_accumulate(abfd, section) \ - BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section)) - - #define bfd_stat_arch_elt(abfd, stat) \ - BFD_SEND (abfd, _bfd_stat_arch_elt,(abfd, stat)) - - #define bfd_update_armap_timestamp(abfd) \ - BFD_SEND (abfd, _bfd_update_armap_timestamp, (abfd)) - - #define bfd_set_arch_mach(abfd, arch, mach)\ - BFD_SEND ( abfd, _bfd_set_arch_mach, (abfd, arch, mach)) - - #define bfd_relax_section(abfd, section, link_info, again) \ - BFD_SEND (abfd, _bfd_relax_section, (abfd, section, link_info, again)) - - #define bfd_gc_sections(abfd, link_info) \ - BFD_SEND (abfd, _bfd_gc_sections, (abfd, link_info)) - - #define bfd_merge_sections(abfd, link_info) \ - BFD_SEND (abfd, _bfd_merge_sections, (abfd, link_info)) - - #define bfd_is_group_section(abfd, sec) \ - BFD_SEND (abfd, _bfd_is_group_section, (abfd, sec)) - - #define bfd_discard_group(abfd, sec) \ - BFD_SEND (abfd, _bfd_discard_group, (abfd, sec)) - - #define bfd_link_hash_table_create(abfd) \ - BFD_SEND (abfd, _bfd_link_hash_table_create, (abfd)) - - #define bfd_link_hash_table_free(abfd, hash) \ - BFD_SEND (abfd, _bfd_link_hash_table_free, (hash)) - - #define bfd_link_add_symbols(abfd, info) \ - BFD_SEND (abfd, _bfd_link_add_symbols, (abfd, info)) - - #define bfd_link_just_syms(abfd, sec, info) \ - BFD_SEND (abfd, _bfd_link_just_syms, (sec, info)) - - #define bfd_final_link(abfd, info) \ - BFD_SEND (abfd, _bfd_final_link, (abfd, info)) - - #define bfd_free_cached_info(abfd) \ - BFD_SEND (abfd, _bfd_free_cached_info, (abfd)) - - #define bfd_get_dynamic_symtab_upper_bound(abfd) \ - BFD_SEND (abfd, _bfd_get_dynamic_symtab_upper_bound, (abfd)) - - #define bfd_print_private_bfd_data(abfd, file)\ - BFD_SEND (abfd, _bfd_print_private_bfd_data, (abfd, file)) - - #define bfd_canonicalize_dynamic_symtab(abfd, asymbols) \ - BFD_SEND (abfd, _bfd_canonicalize_dynamic_symtab, (abfd, asymbols)) - - #define bfd_get_synthetic_symtab(abfd, count, syms, dyncount, dynsyms, ret) \ - BFD_SEND (abfd, _bfd_get_synthetic_symtab, (abfd, count, syms, \ - dyncount, dynsyms, ret)) - - #define bfd_get_dynamic_reloc_upper_bound(abfd) \ - BFD_SEND (abfd, _bfd_get_dynamic_reloc_upper_bound, (abfd)) - - #define bfd_canonicalize_dynamic_reloc(abfd, arels, asyms) \ - BFD_SEND (abfd, _bfd_canonicalize_dynamic_reloc, (abfd, arels, asyms)) - - extern bfd_byte *bfd_get_relocated_section_contents - (bfd *, struct bfd_link_info *, struct bfd_link_order *, bfd_byte *, - bfd_boolean, asymbol **); - -2.3.1.16 `bfd_alt_mach_code' -............................ - -*Synopsis* - bfd_boolean bfd_alt_mach_code (bfd *abfd, int alternative); - *Description* -When more than one machine code number is available for the same -machine type, this function can be used to switch between the preferred -one (alternative == 0) and any others. Currently, only ELF supports -this feature, with up to two alternate machine codes. - - struct bfd_preserve - { - void *marker; - void *tdata; - flagword flags; - const struct bfd_arch_info *arch_info; - struct bfd_section *sections; - struct bfd_section *section_last; - unsigned int section_count; - struct bfd_hash_table section_htab; - }; - -2.3.1.17 `bfd_preserve_save' -............................ - -*Synopsis* - bfd_boolean bfd_preserve_save (bfd *, struct bfd_preserve *); - *Description* -When testing an object for compatibility with a particular target -back-end, the back-end object_p function needs to set up certain fields -in the bfd on successfully recognizing the object. This typically -happens in a piecemeal fashion, with failures possible at many points. -On failure, the bfd is supposed to be restored to its initial state, -which is virtually impossible. However, restoring a subset of the bfd -state works in practice. This function stores the subset and -reinitializes the bfd. - -2.3.1.18 `bfd_preserve_restore' -............................... - -*Synopsis* - void bfd_preserve_restore (bfd *, struct bfd_preserve *); - *Description* -This function restores bfd state saved by bfd_preserve_save. If MARKER -is non-NULL in struct bfd_preserve then that block and all subsequently -bfd_alloc'd memory is freed. - -2.3.1.19 `bfd_preserve_finish' -.............................. - -*Synopsis* - void bfd_preserve_finish (bfd *, struct bfd_preserve *); - *Description* -This function should be called when the bfd state saved by -bfd_preserve_save is no longer needed. ie. when the back-end object_p -function returns with success. - -2.3.1.20 `bfd_emul_get_maxpagesize' -................................... - -*Synopsis* - bfd_vma bfd_emul_get_maxpagesize (const char *); - *Description* -Returns the maximum page size, in bytes, as determined by emulation. - - *Returns* -Returns the maximum page size in bytes for ELF, 0 otherwise. - -2.3.1.21 `bfd_emul_set_maxpagesize' -................................... - -*Synopsis* - void bfd_emul_set_maxpagesize (const char *, bfd_vma); - *Description* -For ELF, set the maximum page size for the emulation. It is a no-op -for other formats. - -2.3.1.22 `bfd_emul_get_commonpagesize' -...................................... - -*Synopsis* - bfd_vma bfd_emul_get_commonpagesize (const char *); - *Description* -Returns the common page size, in bytes, as determined by emulation. - - *Returns* -Returns the common page size in bytes for ELF, 0 otherwise. - -2.3.1.23 `bfd_emul_set_commonpagesize' -...................................... - -*Synopsis* - void bfd_emul_set_commonpagesize (const char *, bfd_vma); - *Description* -For ELF, set the common page size for the emulation. It is a no-op for -other formats. - -2.3.1.24 `bfd_demangle' -....................... - -*Synopsis* - char *bfd_demangle (bfd *, const char *, int); - *Description* -Wrapper around cplus_demangle. Strips leading underscores and other -such chars that would otherwise confuse the demangler. If passed a g++ -v3 ABI mangled name, returns a buffer allocated with malloc holding the -demangled name. Returns NULL otherwise and on memory alloc failure. - -2.3.1.25 `struct bfd_iovec' -........................... - -*Description* -The `struct bfd_iovec' contains the internal file I/O class. Each -`BFD' has an instance of this class and all file I/O is routed through -it (it is assumed that the instance implements all methods listed -below). - struct bfd_iovec - { - /* To avoid problems with macros, a "b" rather than "f" - prefix is prepended to each method name. */ - /* Attempt to read/write NBYTES on ABFD's IOSTREAM storing/fetching - bytes starting at PTR. Return the number of bytes actually - transfered (a read past end-of-file returns less than NBYTES), - or -1 (setting `bfd_error') if an error occurs. */ - file_ptr (*bread) (struct bfd *abfd, void *ptr, file_ptr nbytes); - file_ptr (*bwrite) (struct bfd *abfd, const void *ptr, - file_ptr nbytes); - /* Return the current IOSTREAM file offset, or -1 (setting `bfd_error' - if an error occurs. */ - file_ptr (*btell) (struct bfd *abfd); - /* For the following, on successful completion a value of 0 is returned. - Otherwise, a value of -1 is returned (and `bfd_error' is set). */ - int (*bseek) (struct bfd *abfd, file_ptr offset, int whence); - int (*bclose) (struct bfd *abfd); - int (*bflush) (struct bfd *abfd); - int (*bstat) (struct bfd *abfd, struct stat *sb); - /* Just like mmap: (void*)-1 on failure, mmapped address on success. */ - void *(*bmmap) (struct bfd *abfd, void *addr, bfd_size_type len, - int prot, int flags, file_ptr offset); - }; - -2.3.1.26 `bfd_get_mtime' -........................ - -*Synopsis* - long bfd_get_mtime (bfd *abfd); - *Description* -Return the file modification time (as read from the file system, or -from the archive header for archive members). - -2.3.1.27 `bfd_get_size' -....................... - -*Synopsis* - file_ptr bfd_get_size (bfd *abfd); - *Description* -Return the file size (as read from file system) for the file associated -with BFD ABFD. - - The initial motivation for, and use of, this routine is not so we -can get the exact size of the object the BFD applies to, since that -might not be generally possible (archive members for example). It -would be ideal if someone could eventually modify it so that such -results were guaranteed. - - Instead, we want to ask questions like "is this NNN byte sized -object I'm about to try read from file offset YYY reasonable?" As as -example of where we might do this, some object formats use string -tables for which the first `sizeof (long)' bytes of the table contain -the size of the table itself, including the size bytes. If an -application tries to read what it thinks is one of these string tables, -without some way to validate the size, and for some reason the size is -wrong (byte swapping error, wrong location for the string table, etc.), -the only clue is likely to be a read error when it tries to read the -table, or a "virtual memory exhausted" error when it tries to allocate -15 bazillon bytes of space for the 15 bazillon byte table it is about -to read. This function at least allows us to answer the question, "is -the size reasonable?". - -2.3.1.28 `bfd_mmap' -................... - -*Synopsis* - void *bfd_mmap (bfd *abfd, void *addr, bfd_size_type len, - int prot, int flags, file_ptr offset); - *Description* -Return mmap()ed region of the file, if possible and implemented. - -* Menu: - -* Memory Usage:: -* Initialization:: -* Sections:: -* Symbols:: -* Archives:: -* Formats:: -* Relocations:: -* Core Files:: -* Targets:: -* Architectures:: -* Opening and Closing:: -* Internal:: -* File Caching:: -* Linker Functions:: -* Hash Tables:: - - -File: bfd.info, Node: Memory Usage, Next: Initialization, Prev: BFD front end, Up: BFD front end - -2.4 Memory Usage -================ - -BFD keeps all of its internal structures in obstacks. There is one -obstack per open BFD file, into which the current state is stored. When -a BFD is closed, the obstack is deleted, and so everything which has -been allocated by BFD for the closing file is thrown away. - - BFD does not free anything created by an application, but pointers -into `bfd' structures become invalid on a `bfd_close'; for example, -after a `bfd_close' the vector passed to `bfd_canonicalize_symtab' is -still around, since it has been allocated by the application, but the -data that it pointed to are lost. - - The general rule is to not close a BFD until all operations dependent -upon data from the BFD have been completed, or all the data from within -the file has been copied. To help with the management of memory, there -is a function (`bfd_alloc_size') which returns the number of bytes in -obstacks associated with the supplied BFD. This could be used to select -the greediest open BFD, close it to reclaim the memory, perform some -operation and reopen the BFD again, to get a fresh copy of the data -structures. - - -File: bfd.info, Node: Initialization, Next: Sections, Prev: Memory Usage, Up: BFD front end - -2.5 Initialization -================== - -2.5.1 Initialization functions ------------------------------- - -These are the functions that handle initializing a BFD. - -2.5.1.1 `bfd_init' -.................. - -*Synopsis* - void bfd_init (void); - *Description* -This routine must be called before any other BFD function to initialize -magical internal data structures. - - -File: bfd.info, Node: Sections, Next: Symbols, Prev: Initialization, Up: BFD front end - -2.6 Sections -============ - -The raw data contained within a BFD is maintained through the section -abstraction. A single BFD may have any number of sections. It keeps -hold of them by pointing to the first; each one points to the next in -the list. - - Sections are supported in BFD in `section.c'. - -* Menu: - -* Section Input:: -* Section Output:: -* typedef asection:: -* section prototypes:: - - -File: bfd.info, Node: Section Input, Next: Section Output, Prev: Sections, Up: Sections - -2.6.1 Section input -------------------- - -When a BFD is opened for reading, the section structures are created -and attached to the BFD. - - Each section has a name which describes the section in the outside -world--for example, `a.out' would contain at least three sections, -called `.text', `.data' and `.bss'. - - Names need not be unique; for example a COFF file may have several -sections named `.data'. - - Sometimes a BFD will contain more than the "natural" number of -sections. A back end may attach other sections containing constructor -data, or an application may add a section (using `bfd_make_section') to -the sections attached to an already open BFD. For example, the linker -creates an extra section `COMMON' for each input file's BFD to hold -information about common storage. - - The raw data is not necessarily read in when the section descriptor -is created. Some targets may leave the data in place until a -`bfd_get_section_contents' call is made. Other back ends may read in -all the data at once. For example, an S-record file has to be read -once to determine the size of the data. An IEEE-695 file doesn't -contain raw data in sections, but data and relocation expressions -intermixed, so the data area has to be parsed to get out the data and -relocations. - - -File: bfd.info, Node: Section Output, Next: typedef asection, Prev: Section Input, Up: Sections - -2.6.2 Section output --------------------- - -To write a new object style BFD, the various sections to be written -have to be created. They are attached to the BFD in the same way as -input sections; data is written to the sections using -`bfd_set_section_contents'. - - Any program that creates or combines sections (e.g., the assembler -and linker) must use the `asection' fields `output_section' and -`output_offset' to indicate the file sections to which each section -must be written. (If the section is being created from scratch, -`output_section' should probably point to the section itself and -`output_offset' should probably be zero.) - - The data to be written comes from input sections attached (via -`output_section' pointers) to the output sections. The output section -structure can be considered a filter for the input section: the output -section determines the vma of the output data and the name, but the -input section determines the offset into the output section of the data -to be written. - - E.g., to create a section "O", starting at 0x100, 0x123 long, -containing two subsections, "A" at offset 0x0 (i.e., at vma 0x100) and -"B" at offset 0x20 (i.e., at vma 0x120) the `asection' structures would -look like: - - section name "A" - output_offset 0x00 - size 0x20 - output_section -----------> section name "O" - | vma 0x100 - section name "B" | size 0x123 - output_offset 0x20 | - size 0x103 | - output_section --------| - -2.6.3 Link orders ------------------ - -The data within a section is stored in a "link_order". These are much -like the fixups in `gas'. The link_order abstraction allows a section -to grow and shrink within itself. - - A link_order knows how big it is, and which is the next link_order -and where the raw data for it is; it also points to a list of -relocations which apply to it. - - The link_order is used by the linker to perform relaxing on final -code. The compiler creates code which is as big as necessary to make -it work without relaxing, and the user can select whether to relax. -Sometimes relaxing takes a lot of time. The linker runs around the -relocations to see if any are attached to data which can be shrunk, if -so it does it on a link_order by link_order basis. - - -File: bfd.info, Node: typedef asection, Next: section prototypes, Prev: Section Output, Up: Sections - -2.6.4 typedef asection ----------------------- - -Here is the section structure: - - - typedef struct bfd_section - { - /* The name of the section; the name isn't a copy, the pointer is - the same as that passed to bfd_make_section. */ - const char *name; - - /* A unique sequence number. */ - int id; - - /* Which section in the bfd; 0..n-1 as sections are created in a bfd. */ - int index; - - /* The next section in the list belonging to the BFD, or NULL. */ - struct bfd_section *next; - - /* The previous section in the list belonging to the BFD, or NULL. */ - struct bfd_section *prev; - - /* The field flags contains attributes of the section. Some - flags are read in from the object file, and some are - synthesized from other information. */ - flagword flags; - - #define SEC_NO_FLAGS 0x000 - - /* Tells the OS to allocate space for this section when loading. - This is clear for a section containing debug information only. */ - #define SEC_ALLOC 0x001 - - /* Tells the OS to load the section from the file when loading. - This is clear for a .bss section. */ - #define SEC_LOAD 0x002 - - /* The section contains data still to be relocated, so there is - some relocation information too. */ - #define SEC_RELOC 0x004 - - /* A signal to the OS that the section contains read only data. */ - #define SEC_READONLY 0x008 - - /* The section contains code only. */ - #define SEC_CODE 0x010 - - /* The section contains data only. */ - #define SEC_DATA 0x020 - - /* The section will reside in ROM. */ - #define SEC_ROM 0x040 - - /* The section contains constructor information. This section - type is used by the linker to create lists of constructors and - destructors used by `g++'. When a back end sees a symbol - which should be used in a constructor list, it creates a new - section for the type of name (e.g., `__CTOR_LIST__'), attaches - the symbol to it, and builds a relocation. To build the lists - of constructors, all the linker has to do is catenate all the - sections called `__CTOR_LIST__' and relocate the data - contained within - exactly the operations it would peform on - standard data. */ - #define SEC_CONSTRUCTOR 0x080 - - /* The section has contents - a data section could be - `SEC_ALLOC' | `SEC_HAS_CONTENTS'; a debug section could be - `SEC_HAS_CONTENTS' */ - #define SEC_HAS_CONTENTS 0x100 - - /* An instruction to the linker to not output the section - even if it has information which would normally be written. */ - #define SEC_NEVER_LOAD 0x200 - - /* The section contains thread local data. */ - #define SEC_THREAD_LOCAL 0x400 - - /* The section has GOT references. This flag is only for the - linker, and is currently only used by the elf32-hppa back end. - It will be set if global offset table references were detected - in this section, which indicate to the linker that the section - contains PIC code, and must be handled specially when doing a - static link. */ - #define SEC_HAS_GOT_REF 0x800 - - /* The section contains common symbols (symbols may be defined - multiple times, the value of a symbol is the amount of - space it requires, and the largest symbol value is the one - used). Most targets have exactly one of these (which we - translate to bfd_com_section_ptr), but ECOFF has two. */ - #define SEC_IS_COMMON 0x1000 - - /* The section contains only debugging information. For - example, this is set for ELF .debug and .stab sections. - strip tests this flag to see if a section can be - discarded. */ - #define SEC_DEBUGGING 0x2000 - - /* The contents of this section are held in memory pointed to - by the contents field. This is checked by bfd_get_section_contents, - and the data is retrieved from memory if appropriate. */ - #define SEC_IN_MEMORY 0x4000 - - /* The contents of this section are to be excluded by the - linker for executable and shared objects unless those - objects are to be further relocated. */ - #define SEC_EXCLUDE 0x8000 - - /* The contents of this section are to be sorted based on the sum of - the symbol and addend values specified by the associated relocation - entries. Entries without associated relocation entries will be - appended to the end of the section in an unspecified order. */ - #define SEC_SORT_ENTRIES 0x10000 - - /* When linking, duplicate sections of the same name should be - discarded, rather than being combined into a single section as - is usually done. This is similar to how common symbols are - handled. See SEC_LINK_DUPLICATES below. */ - #define SEC_LINK_ONCE 0x20000 - - /* If SEC_LINK_ONCE is set, this bitfield describes how the linker - should handle duplicate sections. */ - #define SEC_LINK_DUPLICATES 0xc0000 - - /* This value for SEC_LINK_DUPLICATES means that duplicate - sections with the same name should simply be discarded. */ - #define SEC_LINK_DUPLICATES_DISCARD 0x0 - - /* This value for SEC_LINK_DUPLICATES means that the linker - should warn if there are any duplicate sections, although - it should still only link one copy. */ - #define SEC_LINK_DUPLICATES_ONE_ONLY 0x40000 - - /* This value for SEC_LINK_DUPLICATES means that the linker - should warn if any duplicate sections are a different size. */ - #define SEC_LINK_DUPLICATES_SAME_SIZE 0x80000 - - /* This value for SEC_LINK_DUPLICATES means that the linker - should warn if any duplicate sections contain different - contents. */ - #define SEC_LINK_DUPLICATES_SAME_CONTENTS \ - (SEC_LINK_DUPLICATES_ONE_ONLY | SEC_LINK_DUPLICATES_SAME_SIZE) - - /* This section was created by the linker as part of dynamic - relocation or other arcane processing. It is skipped when - going through the first-pass output, trusting that someone - else up the line will take care of it later. */ - #define SEC_LINKER_CREATED 0x100000 - - /* This section should not be subject to garbage collection. - Also set to inform the linker that this section should not be - listed in the link map as discarded. */ - #define SEC_KEEP 0x200000 - - /* This section contains "short" data, and should be placed - "near" the GP. */ - #define SEC_SMALL_DATA 0x400000 - - /* Attempt to merge identical entities in the section. - Entity size is given in the entsize field. */ - #define SEC_MERGE 0x800000 - - /* If given with SEC_MERGE, entities to merge are zero terminated - strings where entsize specifies character size instead of fixed - size entries. */ - #define SEC_STRINGS 0x1000000 - - /* This section contains data about section groups. */ - #define SEC_GROUP 0x2000000 - - /* The section is a COFF shared library section. This flag is - only for the linker. If this type of section appears in - the input file, the linker must copy it to the output file - without changing the vma or size. FIXME: Although this - was originally intended to be general, it really is COFF - specific (and the flag was renamed to indicate this). It - might be cleaner to have some more general mechanism to - allow the back end to control what the linker does with - sections. */ - #define SEC_COFF_SHARED_LIBRARY 0x4000000 - - /* This section contains data which may be shared with other - executables or shared objects. This is for COFF only. */ - #define SEC_COFF_SHARED 0x8000000 - - /* When a section with this flag is being linked, then if the size of - the input section is less than a page, it should not cross a page - boundary. If the size of the input section is one page or more, - it should be aligned on a page boundary. This is for TI - TMS320C54X only. */ - #define SEC_TIC54X_BLOCK 0x10000000 - - /* Conditionally link this section; do not link if there are no - references found to any symbol in the section. This is for TI - TMS320C54X only. */ - #define SEC_TIC54X_CLINK 0x20000000 - - /* Indicate that section has the no read flag set. This happens - when memory read flag isn't set. */ - #define SEC_COFF_NOREAD 0x40000000 - - /* End of section flags. */ - - /* Some internal packed boolean fields. */ - - /* See the vma field. */ - unsigned int user_set_vma : 1; - - /* A mark flag used by some of the linker backends. */ - unsigned int linker_mark : 1; - - /* Another mark flag used by some of the linker backends. Set for - output sections that have an input section. */ - unsigned int linker_has_input : 1; - - /* Mark flag used by some linker backends for garbage collection. */ - unsigned int gc_mark : 1; - - /* The following flags are used by the ELF linker. */ - - /* Mark sections which have been allocated to segments. */ - unsigned int segment_mark : 1; - - /* Type of sec_info information. */ - unsigned int sec_info_type:3; - #define ELF_INFO_TYPE_NONE 0 - #define ELF_INFO_TYPE_STABS 1 - #define ELF_INFO_TYPE_MERGE 2 - #define ELF_INFO_TYPE_EH_FRAME 3 - #define ELF_INFO_TYPE_JUST_SYMS 4 - - /* Nonzero if this section uses RELA relocations, rather than REL. */ - unsigned int use_rela_p:1; - - /* Bits used by various backends. The generic code doesn't touch - these fields. */ - - /* Nonzero if this section has TLS related relocations. */ - unsigned int has_tls_reloc:1; - - /* Nonzero if this section has a call to __tls_get_addr. */ - unsigned int has_tls_get_addr_call:1; - - /* Nonzero if this section has a gp reloc. */ - unsigned int has_gp_reloc:1; - - /* Nonzero if this section needs the relax finalize pass. */ - unsigned int need_finalize_relax:1; - - /* Whether relocations have been processed. */ - unsigned int reloc_done : 1; - - /* End of internal packed boolean fields. */ - - /* The virtual memory address of the section - where it will be - at run time. The symbols are relocated against this. The - user_set_vma flag is maintained by bfd; if it's not set, the - backend can assign addresses (for example, in `a.out', where - the default address for `.data' is dependent on the specific - target and various flags). */ - bfd_vma vma; - - /* The load address of the section - where it would be in a - rom image; really only used for writing section header - information. */ - bfd_vma lma; - - /* The size of the section in octets, as it will be output. - Contains a value even if the section has no contents (e.g., the - size of `.bss'). */ - bfd_size_type size; - - /* For input sections, the original size on disk of the section, in - octets. This field should be set for any section whose size is - changed by linker relaxation. It is required for sections where - the linker relaxation scheme doesn't cache altered section and - reloc contents (stabs, eh_frame, SEC_MERGE, some coff relaxing - targets), and thus the original size needs to be kept to read the - section multiple times. For output sections, rawsize holds the - section size calculated on a previous linker relaxation pass. */ - bfd_size_type rawsize; - - /* Relaxation table. */ - struct relax_table *relax; - - /* Count of used relaxation table entries. */ - int relax_count; - - - /* If this section is going to be output, then this value is the - offset in *bytes* into the output section of the first byte in the - input section (byte ==> smallest addressable unit on the - target). In most cases, if this was going to start at the - 100th octet (8-bit quantity) in the output section, this value - would be 100. However, if the target byte size is 16 bits - (bfd_octets_per_byte is "2"), this value would be 50. */ - bfd_vma output_offset; - - /* The output section through which to map on output. */ - struct bfd_section *output_section; - - /* The alignment requirement of the section, as an exponent of 2 - - e.g., 3 aligns to 2^3 (or 8). */ - unsigned int alignment_power; - - /* If an input section, a pointer to a vector of relocation - records for the data in this section. */ - struct reloc_cache_entry *relocation; - - /* If an output section, a pointer to a vector of pointers to - relocation records for the data in this section. */ - struct reloc_cache_entry **orelocation; - - /* The number of relocation records in one of the above. */ - unsigned reloc_count; - - /* Information below is back end specific - and not always used - or updated. */ - - /* File position of section data. */ - file_ptr filepos; - - /* File position of relocation info. */ - file_ptr rel_filepos; - - /* File position of line data. */ - file_ptr line_filepos; - - /* Pointer to data for applications. */ - void *userdata; - - /* If the SEC_IN_MEMORY flag is set, this points to the actual - contents. */ - unsigned char *contents; - - /* Attached line number information. */ - alent *lineno; - - /* Number of line number records. */ - unsigned int lineno_count; - - /* Entity size for merging purposes. */ - unsigned int entsize; - - /* Points to the kept section if this section is a link-once section, - and is discarded. */ - struct bfd_section *kept_section; - - /* When a section is being output, this value changes as more - linenumbers are written out. */ - file_ptr moving_line_filepos; - - /* What the section number is in the target world. */ - int target_index; - - void *used_by_bfd; - - /* If this is a constructor section then here is a list of the - relocations created to relocate items within it. */ - struct relent_chain *constructor_chain; - - /* The BFD which owns the section. */ - bfd *owner; - - /* A symbol which points at this section only. */ - struct bfd_symbol *symbol; - struct bfd_symbol **symbol_ptr_ptr; - - /* Early in the link process, map_head and map_tail are used to build - a list of input sections attached to an output section. Later, - output sections use these fields for a list of bfd_link_order - structs. */ - union { - struct bfd_link_order *link_order; - struct bfd_section *s; - } map_head, map_tail; - } asection; - - /* Relax table contains information about instructions which can - be removed by relaxation -- replacing a long address with a - short address. */ - struct relax_table { - /* Address where bytes may be deleted. */ - bfd_vma addr; - - /* Number of bytes to be deleted. */ - int size; - }; - - /* These sections are global, and are managed by BFD. The application - and target back end are not permitted to change the values in - these sections. New code should use the section_ptr macros rather - than referring directly to the const sections. The const sections - may eventually vanish. */ - #define BFD_ABS_SECTION_NAME "*ABS*" - #define BFD_UND_SECTION_NAME "*UND*" - #define BFD_COM_SECTION_NAME "*COM*" - #define BFD_IND_SECTION_NAME "*IND*" - - /* The absolute section. */ - extern asection bfd_abs_section; - #define bfd_abs_section_ptr ((asection *) &bfd_abs_section) - #define bfd_is_abs_section(sec) ((sec) == bfd_abs_section_ptr) - /* Pointer to the undefined section. */ - extern asection bfd_und_section; - #define bfd_und_section_ptr ((asection *) &bfd_und_section) - #define bfd_is_und_section(sec) ((sec) == bfd_und_section_ptr) - /* Pointer to the common section. */ - extern asection bfd_com_section; - #define bfd_com_section_ptr ((asection *) &bfd_com_section) - /* Pointer to the indirect section. */ - extern asection bfd_ind_section; - #define bfd_ind_section_ptr ((asection *) &bfd_ind_section) - #define bfd_is_ind_section(sec) ((sec) == bfd_ind_section_ptr) - - #define bfd_is_const_section(SEC) \ - ( ((SEC) == bfd_abs_section_ptr) \ - || ((SEC) == bfd_und_section_ptr) \ - || ((SEC) == bfd_com_section_ptr) \ - || ((SEC) == bfd_ind_section_ptr)) - - /* Macros to handle insertion and deletion of a bfd's sections. These - only handle the list pointers, ie. do not adjust section_count, - target_index etc. */ - #define bfd_section_list_remove(ABFD, S) \ - do \ - { \ - asection *_s = S; \ - asection *_next = _s->next; \ - asection *_prev = _s->prev; \ - if (_prev) \ - _prev->next = _next; \ - else \ - (ABFD)->sections = _next; \ - if (_next) \ - _next->prev = _prev; \ - else \ - (ABFD)->section_last = _prev; \ - } \ - while (0) - #define bfd_section_list_append(ABFD, S) \ - do \ - { \ - asection *_s = S; \ - bfd *_abfd = ABFD; \ - _s->next = NULL; \ - if (_abfd->section_last) \ - { \ - _s->prev = _abfd->section_last; \ - _abfd->section_last->next = _s; \ - } \ - else \ - { \ - _s->prev = NULL; \ - _abfd->sections = _s; \ - } \ - _abfd->section_last = _s; \ - } \ - while (0) - #define bfd_section_list_prepend(ABFD, S) \ - do \ - { \ - asection *_s = S; \ - bfd *_abfd = ABFD; \ - _s->prev = NULL; \ - if (_abfd->sections) \ - { \ - _s->next = _abfd->sections; \ - _abfd->sections->prev = _s; \ - } \ - else \ - { \ - _s->next = NULL; \ - _abfd->section_last = _s; \ - } \ - _abfd->sections = _s; \ - } \ - while (0) - #define bfd_section_list_insert_after(ABFD, A, S) \ - do \ - { \ - asection *_a = A; \ - asection *_s = S; \ - asection *_next = _a->next; \ - _s->next = _next; \ - _s->prev = _a; \ - _a->next = _s; \ - if (_next) \ - _next->prev = _s; \ - else \ - (ABFD)->section_last = _s; \ - } \ - while (0) - #define bfd_section_list_insert_before(ABFD, B, S) \ - do \ - { \ - asection *_b = B; \ - asection *_s = S; \ - asection *_prev = _b->prev; \ - _s->prev = _prev; \ - _s->next = _b; \ - _b->prev = _s; \ - if (_prev) \ - _prev->next = _s; \ - else \ - (ABFD)->sections = _s; \ - } \ - while (0) - #define bfd_section_removed_from_list(ABFD, S) \ - ((S)->next == NULL ? (ABFD)->section_last != (S) : (S)->next->prev != (S)) - - #define BFD_FAKE_SECTION(SEC, FLAGS, SYM, NAME, IDX) \ - /* name, id, index, next, prev, flags, user_set_vma, */ \ - { NAME, IDX, 0, NULL, NULL, FLAGS, 0, \ - \ - /* linker_mark, linker_has_input, gc_mark, */ \ - 0, 0, 1, \ - \ - /* segment_mark, sec_info_type, use_rela_p, has_tls_reloc, */ \ - 0, 0, 0, 0, \ - \ - /* has_tls_get_addr_call, has_gp_reloc, need_finalize_relax, */ \ - 0, 0, 0, \ - \ - /* reloc_done, vma, lma, size, rawsize, relax, relax_count, */ \ - 0, 0, 0, 0, 0, 0, 0, \ - \ - /* output_offset, output_section, alignment_power, */ \ - 0, (struct bfd_section *) &SEC, 0, \ - \ - /* relocation, orelocation, reloc_count, filepos, rel_filepos, */ \ - NULL, NULL, 0, 0, 0, \ - \ - /* line_filepos, userdata, contents, lineno, lineno_count, */ \ - 0, NULL, NULL, NULL, 0, \ - \ - /* entsize, kept_section, moving_line_filepos, */ \ - 0, NULL, 0, \ - \ - /* target_index, used_by_bfd, constructor_chain, owner, */ \ - 0, NULL, NULL, NULL, \ - \ - /* symbol, symbol_ptr_ptr, */ \ - (struct bfd_symbol *) SYM, &SEC.symbol, \ - \ - /* map_head, map_tail */ \ - { NULL }, { NULL } \ - } - - -File: bfd.info, Node: section prototypes, Prev: typedef asection, Up: Sections - -2.6.5 Section prototypes ------------------------- - -These are the functions exported by the section handling part of BFD. - -2.6.5.1 `bfd_section_list_clear' -................................ - -*Synopsis* - void bfd_section_list_clear (bfd *); - *Description* -Clears the section list, and also resets the section count and hash -table entries. - -2.6.5.2 `bfd_get_section_by_name' -................................. - -*Synopsis* - asection *bfd_get_section_by_name (bfd *abfd, const char *name); - *Description* -Run through ABFD and return the one of the `asection's whose name -matches NAME, otherwise `NULL'. *Note Sections::, for more information. - - This should only be used in special cases; the normal way to process -all sections of a given name is to use `bfd_map_over_sections' and -`strcmp' on the name (or better yet, base it on the section flags or -something else) for each section. - -2.6.5.3 `bfd_get_section_by_name_if' -.................................... - -*Synopsis* - asection *bfd_get_section_by_name_if - (bfd *abfd, - const char *name, - bfd_boolean (*func) (bfd *abfd, asection *sect, void *obj), - void *obj); - *Description* -Call the provided function FUNC for each section attached to the BFD -ABFD whose name matches NAME, passing OBJ as an argument. The function -will be called as if by - - func (abfd, the_section, obj); - - It returns the first section for which FUNC returns true, otherwise -`NULL'. - -2.6.5.4 `bfd_get_unique_section_name' -..................................... - -*Synopsis* - char *bfd_get_unique_section_name - (bfd *abfd, const char *templat, int *count); - *Description* -Invent a section name that is unique in ABFD by tacking a dot and a -digit suffix onto the original TEMPLAT. If COUNT is non-NULL, then it -specifies the first number tried as a suffix to generate a unique name. -The value pointed to by COUNT will be incremented in this case. - -2.6.5.5 `bfd_make_section_old_way' -.................................. - -*Synopsis* - asection *bfd_make_section_old_way (bfd *abfd, const char *name); - *Description* -Create a new empty section called NAME and attach it to the end of the -chain of sections for the BFD ABFD. An attempt to create a section with -a name which is already in use returns its pointer without changing the -section chain. - - It has the funny name since this is the way it used to be before it -was rewritten.... - - Possible errors are: - * `bfd_error_invalid_operation' - If output has already started for - this BFD. - - * `bfd_error_no_memory' - If memory allocation fails. - -2.6.5.6 `bfd_make_section_anyway_with_flags' -............................................ - -*Synopsis* - asection *bfd_make_section_anyway_with_flags - (bfd *abfd, const char *name, flagword flags); - *Description* -Create a new empty section called NAME and attach it to the end of the -chain of sections for ABFD. Create a new section even if there is -already a section with that name. Also set the attributes of the new -section to the value FLAGS. - - Return `NULL' and set `bfd_error' on error; possible errors are: - * `bfd_error_invalid_operation' - If output has already started for - ABFD. - - * `bfd_error_no_memory' - If memory allocation fails. - -2.6.5.7 `bfd_make_section_anyway' -................................. - -*Synopsis* - asection *bfd_make_section_anyway (bfd *abfd, const char *name); - *Description* -Create a new empty section called NAME and attach it to the end of the -chain of sections for ABFD. Create a new section even if there is -already a section with that name. - - Return `NULL' and set `bfd_error' on error; possible errors are: - * `bfd_error_invalid_operation' - If output has already started for - ABFD. - - * `bfd_error_no_memory' - If memory allocation fails. - -2.6.5.8 `bfd_make_section_with_flags' -..................................... - -*Synopsis* - asection *bfd_make_section_with_flags - (bfd *, const char *name, flagword flags); - *Description* -Like `bfd_make_section_anyway', but return `NULL' (without calling -bfd_set_error ()) without changing the section chain if there is -already a section named NAME. Also set the attributes of the new -section to the value FLAGS. If there is an error, return `NULL' and set -`bfd_error'. - -2.6.5.9 `bfd_make_section' -.......................... - -*Synopsis* - asection *bfd_make_section (bfd *, const char *name); - *Description* -Like `bfd_make_section_anyway', but return `NULL' (without calling -bfd_set_error ()) without changing the section chain if there is -already a section named NAME. If there is an error, return `NULL' and -set `bfd_error'. - -2.6.5.10 `bfd_set_section_flags' -................................ - -*Synopsis* - bfd_boolean bfd_set_section_flags - (bfd *abfd, asection *sec, flagword flags); - *Description* -Set the attributes of the section SEC in the BFD ABFD to the value -FLAGS. Return `TRUE' on success, `FALSE' on error. Possible error -returns are: - - * `bfd_error_invalid_operation' - The section cannot have one or - more of the attributes requested. For example, a .bss section in - `a.out' may not have the `SEC_HAS_CONTENTS' field set. - -2.6.5.11 `bfd_map_over_sections' -................................ - -*Synopsis* - void bfd_map_over_sections - (bfd *abfd, - void (*func) (bfd *abfd, asection *sect, void *obj), - void *obj); - *Description* -Call the provided function FUNC for each section attached to the BFD -ABFD, passing OBJ as an argument. The function will be called as if by - - func (abfd, the_section, obj); - - This is the preferred method for iterating over sections; an -alternative would be to use a loop: - - section *p; - for (p = abfd->sections; p != NULL; p = p->next) - func (abfd, p, ...) - -2.6.5.12 `bfd_sections_find_if' -............................... - -*Synopsis* - asection *bfd_sections_find_if - (bfd *abfd, - bfd_boolean (*operation) (bfd *abfd, asection *sect, void *obj), - void *obj); - *Description* -Call the provided function OPERATION for each section attached to the -BFD ABFD, passing OBJ as an argument. The function will be called as if -by - - operation (abfd, the_section, obj); - - It returns the first section for which OPERATION returns true. - -2.6.5.13 `bfd_set_section_size' -............................... - -*Synopsis* - bfd_boolean bfd_set_section_size - (bfd *abfd, asection *sec, bfd_size_type val); - *Description* -Set SEC to the size VAL. If the operation is ok, then `TRUE' is -returned, else `FALSE'. - - Possible error returns: - * `bfd_error_invalid_operation' - Writing has started to the BFD, so - setting the size is invalid. - -2.6.5.14 `bfd_set_section_contents' -................................... - -*Synopsis* - bfd_boolean bfd_set_section_contents - (bfd *abfd, asection *section, const void *data, - file_ptr offset, bfd_size_type count); - *Description* -Sets the contents of the section SECTION in BFD ABFD to the data -starting in memory at DATA. The data is written to the output section -starting at offset OFFSET for COUNT octets. - - Normally `TRUE' is returned, else `FALSE'. Possible error returns -are: - * `bfd_error_no_contents' - The output section does not have the - `SEC_HAS_CONTENTS' attribute, so nothing can be written to it. - - * and some more too - This routine is front end to the back end function -`_bfd_set_section_contents'. - -2.6.5.15 `bfd_get_section_contents' -................................... - -*Synopsis* - bfd_boolean bfd_get_section_contents - (bfd *abfd, asection *section, void *location, file_ptr offset, - bfd_size_type count); - *Description* -Read data from SECTION in BFD ABFD into memory starting at LOCATION. -The data is read at an offset of OFFSET from the start of the input -section, and is read for COUNT bytes. - - If the contents of a constructor with the `SEC_CONSTRUCTOR' flag set -are requested or if the section does not have the `SEC_HAS_CONTENTS' -flag set, then the LOCATION is filled with zeroes. If no errors occur, -`TRUE' is returned, else `FALSE'. - -2.6.5.16 `bfd_malloc_and_get_section' -..................................... - -*Synopsis* - bfd_boolean bfd_malloc_and_get_section - (bfd *abfd, asection *section, bfd_byte **buf); - *Description* -Read all data from SECTION in BFD ABFD into a buffer, *BUF, malloc'd by -this function. - -2.6.5.17 `bfd_copy_private_section_data' -........................................ - -*Synopsis* - bfd_boolean bfd_copy_private_section_data - (bfd *ibfd, asection *isec, bfd *obfd, asection *osec); - *Description* -Copy private section information from ISEC in the BFD IBFD to the -section OSEC in the BFD OBFD. Return `TRUE' on success, `FALSE' on -error. Possible error returns are: - - * `bfd_error_no_memory' - Not enough memory exists to create private - data for OSEC. - - #define bfd_copy_private_section_data(ibfd, isection, obfd, osection) \ - BFD_SEND (obfd, _bfd_copy_private_section_data, \ - (ibfd, isection, obfd, osection)) - -2.6.5.18 `bfd_generic_is_group_section' -....................................... - -*Synopsis* - bfd_boolean bfd_generic_is_group_section (bfd *, const asection *sec); - *Description* -Returns TRUE if SEC is a member of a group. - -2.6.5.19 `bfd_generic_discard_group' -.................................... - -*Synopsis* - bfd_boolean bfd_generic_discard_group (bfd *abfd, asection *group); - *Description* -Remove all members of GROUP from the output. - - -File: bfd.info, Node: Symbols, Next: Archives, Prev: Sections, Up: BFD front end - -2.7 Symbols -=========== - -BFD tries to maintain as much symbol information as it can when it -moves information from file to file. BFD passes information to -applications though the `asymbol' structure. When the application -requests the symbol table, BFD reads the table in the native form and -translates parts of it into the internal format. To maintain more than -the information passed to applications, some targets keep some -information "behind the scenes" in a structure only the particular back -end knows about. For example, the coff back end keeps the original -symbol table structure as well as the canonical structure when a BFD is -read in. On output, the coff back end can reconstruct the output symbol -table so that no information is lost, even information unique to coff -which BFD doesn't know or understand. If a coff symbol table were read, -but were written through an a.out back end, all the coff specific -information would be lost. The symbol table of a BFD is not necessarily -read in until a canonicalize request is made. Then the BFD back end -fills in a table provided by the application with pointers to the -canonical information. To output symbols, the application provides BFD -with a table of pointers to pointers to `asymbol's. This allows -applications like the linker to output a symbol as it was read, since -the "behind the scenes" information will be still available. - -* Menu: - -* Reading Symbols:: -* Writing Symbols:: -* Mini Symbols:: -* typedef asymbol:: -* symbol handling functions:: - - -File: bfd.info, Node: Reading Symbols, Next: Writing Symbols, Prev: Symbols, Up: Symbols - -2.7.1 Reading symbols ---------------------- - -There are two stages to reading a symbol table from a BFD: allocating -storage, and the actual reading process. This is an excerpt from an -application which reads the symbol table: - - long storage_needed; - asymbol **symbol_table; - long number_of_symbols; - long i; - - storage_needed = bfd_get_symtab_upper_bound (abfd); - - if (storage_needed < 0) - FAIL - - if (storage_needed == 0) - return; - - symbol_table = xmalloc (storage_needed); - ... - number_of_symbols = - bfd_canonicalize_symtab (abfd, symbol_table); - - if (number_of_symbols < 0) - FAIL - - for (i = 0; i < number_of_symbols; i++) - process_symbol (symbol_table[i]); - - All storage for the symbols themselves is in an objalloc connected -to the BFD; it is freed when the BFD is closed. - - -File: bfd.info, Node: Writing Symbols, Next: Mini Symbols, Prev: Reading Symbols, Up: Symbols - -2.7.2 Writing symbols ---------------------- - -Writing of a symbol table is automatic when a BFD open for writing is -closed. The application attaches a vector of pointers to pointers to -symbols to the BFD being written, and fills in the symbol count. The -close and cleanup code reads through the table provided and performs -all the necessary operations. The BFD output code must always be -provided with an "owned" symbol: one which has come from another BFD, -or one which has been created using `bfd_make_empty_symbol'. Here is an -example showing the creation of a symbol table with only one element: - - #include "bfd.h" - int main (void) - { - bfd *abfd; - asymbol *ptrs[2]; - asymbol *new; - - abfd = bfd_openw ("foo","a.out-sunos-big"); - bfd_set_format (abfd, bfd_object); - new = bfd_make_empty_symbol (abfd); - new->name = "dummy_symbol"; - new->section = bfd_make_section_old_way (abfd, ".text"); - new->flags = BSF_GLOBAL; - new->value = 0x12345; - - ptrs[0] = new; - ptrs[1] = 0; - - bfd_set_symtab (abfd, ptrs, 1); - bfd_close (abfd); - return 0; - } - - ./makesym - nm foo - 00012345 A dummy_symbol - - Many formats cannot represent arbitrary symbol information; for -instance, the `a.out' object format does not allow an arbitrary number -of sections. A symbol pointing to a section which is not one of -`.text', `.data' or `.bss' cannot be described. - - -File: bfd.info, Node: Mini Symbols, Next: typedef asymbol, Prev: Writing Symbols, Up: Symbols - -2.7.3 Mini Symbols ------------------- - -Mini symbols provide read-only access to the symbol table. They use -less memory space, but require more time to access. They can be useful -for tools like nm or objdump, which may have to handle symbol tables of -extremely large executables. - - The `bfd_read_minisymbols' function will read the symbols into -memory in an internal form. It will return a `void *' pointer to a -block of memory, a symbol count, and the size of each symbol. The -pointer is allocated using `malloc', and should be freed by the caller -when it is no longer needed. - - The function `bfd_minisymbol_to_symbol' will take a pointer to a -minisymbol, and a pointer to a structure returned by -`bfd_make_empty_symbol', and return a `asymbol' structure. The return -value may or may not be the same as the value from -`bfd_make_empty_symbol' which was passed in. - - -File: bfd.info, Node: typedef asymbol, Next: symbol handling functions, Prev: Mini Symbols, Up: Symbols - -2.7.4 typedef asymbol ---------------------- - -An `asymbol' has the form: - - - typedef struct bfd_symbol - { - /* A pointer to the BFD which owns the symbol. This information - is necessary so that a back end can work out what additional - information (invisible to the application writer) is carried - with the symbol. - - This field is *almost* redundant, since you can use section->owner - instead, except that some symbols point to the global sections - bfd_{abs,com,und}_section. This could be fixed by making - these globals be per-bfd (or per-target-flavor). FIXME. */ - struct bfd *the_bfd; /* Use bfd_asymbol_bfd(sym) to access this field. */ - - /* The text of the symbol. The name is left alone, and not copied; the - application may not alter it. */ - const char *name; - - /* The value of the symbol. This really should be a union of a - numeric value with a pointer, since some flags indicate that - a pointer to another symbol is stored here. */ - symvalue value; - - /* Attributes of a symbol. */ - #define BSF_NO_FLAGS 0x00 - - /* The symbol has local scope; `static' in `C'. The value - is the offset into the section of the data. */ - #define BSF_LOCAL (1 << 0) - - /* The symbol has global scope; initialized data in `C'. The - value is the offset into the section of the data. */ - #define BSF_GLOBAL (1 << 1) - - /* The symbol has global scope and is exported. The value is - the offset into the section of the data. */ - #define BSF_EXPORT BSF_GLOBAL /* No real difference. */ - - /* A normal C symbol would be one of: - `BSF_LOCAL', `BSF_COMMON', `BSF_UNDEFINED' or - `BSF_GLOBAL'. */ - - /* The symbol is a debugging record. The value has an arbitrary - meaning, unless BSF_DEBUGGING_RELOC is also set. */ - #define BSF_DEBUGGING (1 << 2) - - /* The symbol denotes a function entry point. Used in ELF, - perhaps others someday. */ - #define BSF_FUNCTION (1 << 3) - - /* Used by the linker. */ - #define BSF_KEEP (1 << 5) - #define BSF_KEEP_G (1 << 6) - - /* A weak global symbol, overridable without warnings by - a regular global symbol of the same name. */ - #define BSF_WEAK (1 << 7) - - /* This symbol was created to point to a section, e.g. ELF's - STT_SECTION symbols. */ - #define BSF_SECTION_SYM (1 << 8) - - /* The symbol used to be a common symbol, but now it is - allocated. */ - #define BSF_OLD_COMMON (1 << 9) - - /* In some files the type of a symbol sometimes alters its - location in an output file - ie in coff a `ISFCN' symbol - which is also `C_EXT' symbol appears where it was - declared and not at the end of a section. This bit is set - by the target BFD part to convey this information. */ - #define BSF_NOT_AT_END (1 << 10) - - /* Signal that the symbol is the label of constructor section. */ - #define BSF_CONSTRUCTOR (1 << 11) - - /* Signal that the symbol is a warning symbol. The name is a - warning. The name of the next symbol is the one to warn about; - if a reference is made to a symbol with the same name as the next - symbol, a warning is issued by the linker. */ - #define BSF_WARNING (1 << 12) - - /* Signal that the symbol is indirect. This symbol is an indirect - pointer to the symbol with the same name as the next symbol. */ - #define BSF_INDIRECT (1 << 13) - - /* BSF_FILE marks symbols that contain a file name. This is used - for ELF STT_FILE symbols. */ - #define BSF_FILE (1 << 14) - - /* Symbol is from dynamic linking information. */ - #define BSF_DYNAMIC (1 << 15) - - /* The symbol denotes a data object. Used in ELF, and perhaps - others someday. */ - #define BSF_OBJECT (1 << 16) - - /* This symbol is a debugging symbol. The value is the offset - into the section of the data. BSF_DEBUGGING should be set - as well. */ - #define BSF_DEBUGGING_RELOC (1 << 17) - - /* This symbol is thread local. Used in ELF. */ - #define BSF_THREAD_LOCAL (1 << 18) - - /* This symbol represents a complex relocation expression, - with the expression tree serialized in the symbol name. */ - #define BSF_RELC (1 << 19) - - /* This symbol represents a signed complex relocation expression, - with the expression tree serialized in the symbol name. */ - #define BSF_SRELC (1 << 20) - - /* This symbol was created by bfd_get_synthetic_symtab. */ - #define BSF_SYNTHETIC (1 << 21) - - /* This symbol is an indirect code object. Unrelated to BSF_INDIRECT. - The dynamic linker will compute the value of this symbol by - calling the function that it points to. BSF_FUNCTION must - also be also set. */ - #define BSF_GNU_INDIRECT_FUNCTION (1 << 22) - /* This symbol is a globally unique data object. The dynamic linker - will make sure that in the entire process there is just one symbol - with this name and type in use. BSF_OBJECT must also be set. */ - #define BSF_GNU_UNIQUE (1 << 23) - - flagword flags; - - /* A pointer to the section to which this symbol is - relative. This will always be non NULL, there are special - sections for undefined and absolute symbols. */ - struct bfd_section *section; - - /* Back end special data. */ - union - { - void *p; - bfd_vma i; - } - udata; - } - asymbol; - - -File: bfd.info, Node: symbol handling functions, Prev: typedef asymbol, Up: Symbols - -2.7.5 Symbol handling functions -------------------------------- - -2.7.5.1 `bfd_get_symtab_upper_bound' -.................................... - -*Description* -Return the number of bytes required to store a vector of pointers to -`asymbols' for all the symbols in the BFD ABFD, including a terminal -NULL pointer. If there are no symbols in the BFD, then return 0. If an -error occurs, return -1. - #define bfd_get_symtab_upper_bound(abfd) \ - BFD_SEND (abfd, _bfd_get_symtab_upper_bound, (abfd)) - -2.7.5.2 `bfd_is_local_label' -............................ - -*Synopsis* - bfd_boolean bfd_is_local_label (bfd *abfd, asymbol *sym); - *Description* -Return TRUE if the given symbol SYM in the BFD ABFD is a compiler -generated local label, else return FALSE. - -2.7.5.3 `bfd_is_local_label_name' -................................. - -*Synopsis* - bfd_boolean bfd_is_local_label_name (bfd *abfd, const char *name); - *Description* -Return TRUE if a symbol with the name NAME in the BFD ABFD is a -compiler generated local label, else return FALSE. This just checks -whether the name has the form of a local label. - #define bfd_is_local_label_name(abfd, name) \ - BFD_SEND (abfd, _bfd_is_local_label_name, (abfd, name)) - -2.7.5.4 `bfd_is_target_special_symbol' -...................................... - -*Synopsis* - bfd_boolean bfd_is_target_special_symbol (bfd *abfd, asymbol *sym); - *Description* -Return TRUE iff a symbol SYM in the BFD ABFD is something special to -the particular target represented by the BFD. Such symbols should -normally not be mentioned to the user. - #define bfd_is_target_special_symbol(abfd, sym) \ - BFD_SEND (abfd, _bfd_is_target_special_symbol, (abfd, sym)) - -2.7.5.5 `bfd_canonicalize_symtab' -................................. - -*Description* -Read the symbols from the BFD ABFD, and fills in the vector LOCATION -with pointers to the symbols and a trailing NULL. Return the actual -number of symbol pointers, not including the NULL. - #define bfd_canonicalize_symtab(abfd, location) \ - BFD_SEND (abfd, _bfd_canonicalize_symtab, (abfd, location)) - -2.7.5.6 `bfd_set_symtab' -........................ - -*Synopsis* - bfd_boolean bfd_set_symtab - (bfd *abfd, asymbol **location, unsigned int count); - *Description* -Arrange that when the output BFD ABFD is closed, the table LOCATION of -COUNT pointers to symbols will be written. - -2.7.5.7 `bfd_print_symbol_vandf' -................................ - -*Synopsis* - void bfd_print_symbol_vandf (bfd *abfd, void *file, asymbol *symbol); - *Description* -Print the value and flags of the SYMBOL supplied to the stream FILE. - -2.7.5.8 `bfd_make_empty_symbol' -............................... - -*Description* -Create a new `asymbol' structure for the BFD ABFD and return a pointer -to it. - - This routine is necessary because each back end has private -information surrounding the `asymbol'. Building your own `asymbol' and -pointing to it will not create the private information, and will cause -problems later on. - #define bfd_make_empty_symbol(abfd) \ - BFD_SEND (abfd, _bfd_make_empty_symbol, (abfd)) - -2.7.5.9 `_bfd_generic_make_empty_symbol' -........................................ - -*Synopsis* - asymbol *_bfd_generic_make_empty_symbol (bfd *); - *Description* -Create a new `asymbol' structure for the BFD ABFD and return a pointer -to it. Used by core file routines, binary back-end and anywhere else -where no private info is needed. - -2.7.5.10 `bfd_make_debug_symbol' -................................ - -*Description* -Create a new `asymbol' structure for the BFD ABFD, to be used as a -debugging symbol. Further details of its use have yet to be worked out. - #define bfd_make_debug_symbol(abfd,ptr,size) \ - BFD_SEND (abfd, _bfd_make_debug_symbol, (abfd, ptr, size)) - -2.7.5.11 `bfd_decode_symclass' -.............................. - -*Description* -Return a character corresponding to the symbol class of SYMBOL, or '?' -for an unknown class. - - *Synopsis* - int bfd_decode_symclass (asymbol *symbol); - -2.7.5.12 `bfd_is_undefined_symclass' -.................................... - -*Description* -Returns non-zero if the class symbol returned by bfd_decode_symclass -represents an undefined symbol. Returns zero otherwise. - - *Synopsis* - bfd_boolean bfd_is_undefined_symclass (int symclass); - -2.7.5.13 `bfd_symbol_info' -.......................... - -*Description* -Fill in the basic info about symbol that nm needs. Additional info may -be added by the back-ends after calling this function. - - *Synopsis* - void bfd_symbol_info (asymbol *symbol, symbol_info *ret); - -2.7.5.14 `bfd_copy_private_symbol_data' -....................................... - -*Synopsis* - bfd_boolean bfd_copy_private_symbol_data - (bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym); - *Description* -Copy private symbol information from ISYM in the BFD IBFD to the symbol -OSYM in the BFD OBFD. Return `TRUE' on success, `FALSE' on error. -Possible error returns are: - - * `bfd_error_no_memory' - Not enough memory exists to create private - data for OSEC. - - #define bfd_copy_private_symbol_data(ibfd, isymbol, obfd, osymbol) \ - BFD_SEND (obfd, _bfd_copy_private_symbol_data, \ - (ibfd, isymbol, obfd, osymbol)) - - -File: bfd.info, Node: Archives, Next: Formats, Prev: Symbols, Up: BFD front end - -2.8 Archives -============ - -*Description* -An archive (or library) is just another BFD. It has a symbol table, -although there's not much a user program will do with it. - - The big difference between an archive BFD and an ordinary BFD is -that the archive doesn't have sections. Instead it has a chain of BFDs -that are considered its contents. These BFDs can be manipulated like -any other. The BFDs contained in an archive opened for reading will -all be opened for reading. You may put either input or output BFDs -into an archive opened for output; they will be handled correctly when -the archive is closed. - - Use `bfd_openr_next_archived_file' to step through the contents of -an archive opened for input. You don't have to read the entire archive -if you don't want to! Read it until you find what you want. - - Archive contents of output BFDs are chained through the `next' -pointer in a BFD. The first one is findable through the `archive_head' -slot of the archive. Set it with `bfd_set_archive_head' (q.v.). A -given BFD may be in only one open output archive at a time. - - As expected, the BFD archive code is more general than the archive -code of any given environment. BFD archives may contain files of -different formats (e.g., a.out and coff) and even different -architectures. You may even place archives recursively into archives! - - This can cause unexpected confusion, since some archive formats are -more expressive than others. For instance, Intel COFF archives can -preserve long filenames; SunOS a.out archives cannot. If you move a -file from the first to the second format and back again, the filename -may be truncated. Likewise, different a.out environments have different -conventions as to how they truncate filenames, whether they preserve -directory names in filenames, etc. When interoperating with native -tools, be sure your files are homogeneous. - - Beware: most of these formats do not react well to the presence of -spaces in filenames. We do the best we can, but can't always handle -this case due to restrictions in the format of archives. Many Unix -utilities are braindead in regards to spaces and such in filenames -anyway, so this shouldn't be much of a restriction. - - Archives are supported in BFD in `archive.c'. - -2.8.1 Archive functions ------------------------ - -2.8.1.1 `bfd_get_next_mapent' -............................. - -*Synopsis* - symindex bfd_get_next_mapent - (bfd *abfd, symindex previous, carsym **sym); - *Description* -Step through archive ABFD's symbol table (if it has one). Successively -update SYM with the next symbol's information, returning that symbol's -(internal) index into the symbol table. - - Supply `BFD_NO_MORE_SYMBOLS' as the PREVIOUS entry to get the first -one; returns `BFD_NO_MORE_SYMBOLS' when you've already got the last one. - - A `carsym' is a canonical archive symbol. The only user-visible -element is its name, a null-terminated string. - -2.8.1.2 `bfd_set_archive_head' -.............................. - -*Synopsis* - bfd_boolean bfd_set_archive_head (bfd *output, bfd *new_head); - *Description* -Set the head of the chain of BFDs contained in the archive OUTPUT to -NEW_HEAD. - -2.8.1.3 `bfd_openr_next_archived_file' -...................................... - -*Synopsis* - bfd *bfd_openr_next_archived_file (bfd *archive, bfd *previous); - *Description* -Provided a BFD, ARCHIVE, containing an archive and NULL, open an input -BFD on the first contained element and returns that. Subsequent calls -should pass the archive and the previous return value to return a -created BFD to the next contained element. NULL is returned when there -are no more. - - -File: bfd.info, Node: Formats, Next: Relocations, Prev: Archives, Up: BFD front end - -2.9 File formats -================ - -A format is a BFD concept of high level file contents type. The formats -supported by BFD are: - - * `bfd_object' - The BFD may contain data, symbols, relocations and debug info. - - * `bfd_archive' - The BFD contains other BFDs and an optional index. - - * `bfd_core' - The BFD contains the result of an executable core dump. - -2.9.1 File format functions ---------------------------- - -2.9.1.1 `bfd_check_format' -.......................... - -*Synopsis* - bfd_boolean bfd_check_format (bfd *abfd, bfd_format format); - *Description* -Verify if the file attached to the BFD ABFD is compatible with the -format FORMAT (i.e., one of `bfd_object', `bfd_archive' or `bfd_core'). - - If the BFD has been set to a specific target before the call, only -the named target and format combination is checked. If the target has -not been set, or has been set to `default', then all the known target -backends is interrogated to determine a match. If the default target -matches, it is used. If not, exactly one target must recognize the -file, or an error results. - - The function returns `TRUE' on success, otherwise `FALSE' with one -of the following error codes: - - * `bfd_error_invalid_operation' - if `format' is not one of - `bfd_object', `bfd_archive' or `bfd_core'. - - * `bfd_error_system_call' - if an error occured during a read - even - some file mismatches can cause bfd_error_system_calls. - - * `file_not_recognised' - none of the backends recognised the file - format. - - * `bfd_error_file_ambiguously_recognized' - more than one backend - recognised the file format. - -2.9.1.2 `bfd_check_format_matches' -.................................. - -*Synopsis* - bfd_boolean bfd_check_format_matches - (bfd *abfd, bfd_format format, char ***matching); - *Description* -Like `bfd_check_format', except when it returns FALSE with `bfd_errno' -set to `bfd_error_file_ambiguously_recognized'. In that case, if -MATCHING is not NULL, it will be filled in with a NULL-terminated list -of the names of the formats that matched, allocated with `malloc'. -Then the user may choose a format and try again. - - When done with the list that MATCHING points to, the caller should -free it. - -2.9.1.3 `bfd_set_format' -........................ - -*Synopsis* - bfd_boolean bfd_set_format (bfd *abfd, bfd_format format); - *Description* -This function sets the file format of the BFD ABFD to the format -FORMAT. If the target set in the BFD does not support the format -requested, the format is invalid, or the BFD is not open for writing, -then an error occurs. - -2.9.1.4 `bfd_format_string' -........................... - -*Synopsis* - const char *bfd_format_string (bfd_format format); - *Description* -Return a pointer to a const string `invalid', `object', `archive', -`core', or `unknown', depending upon the value of FORMAT. - - -File: bfd.info, Node: Relocations, Next: Core Files, Prev: Formats, Up: BFD front end - -2.10 Relocations -================ - -BFD maintains relocations in much the same way it maintains symbols: -they are left alone until required, then read in en-masse and -translated into an internal form. A common routine -`bfd_perform_relocation' acts upon the canonical form to do the fixup. - - Relocations are maintained on a per section basis, while symbols are -maintained on a per BFD basis. - - All that a back end has to do to fit the BFD interface is to create -a `struct reloc_cache_entry' for each relocation in a particular -section, and fill in the right bits of the structures. - -* Menu: - -* typedef arelent:: -* howto manager:: - - -File: bfd.info, Node: typedef arelent, Next: howto manager, Prev: Relocations, Up: Relocations - -2.10.1 typedef arelent ----------------------- - -This is the structure of a relocation entry: - - - typedef enum bfd_reloc_status - { - /* No errors detected. */ - bfd_reloc_ok, - - /* The relocation was performed, but there was an overflow. */ - bfd_reloc_overflow, - - /* The address to relocate was not within the section supplied. */ - bfd_reloc_outofrange, - - /* Used by special functions. */ - bfd_reloc_continue, - - /* Unsupported relocation size requested. */ - bfd_reloc_notsupported, - - /* Unused. */ - bfd_reloc_other, - - /* The symbol to relocate against was undefined. */ - bfd_reloc_undefined, - - /* The relocation was performed, but may not be ok - presently - generated only when linking i960 coff files with i960 b.out - symbols. If this type is returned, the error_message argument - to bfd_perform_relocation will be set. */ - bfd_reloc_dangerous - } - bfd_reloc_status_type; - - - typedef struct reloc_cache_entry - { - /* A pointer into the canonical table of pointers. */ - struct bfd_symbol **sym_ptr_ptr; - - /* offset in section. */ - bfd_size_type address; - - /* addend for relocation value. */ - bfd_vma addend; - - /* Pointer to how to perform the required relocation. */ - reloc_howto_type *howto; - - } - arelent; - *Description* -Here is a description of each of the fields within an `arelent': - - * `sym_ptr_ptr' - The symbol table pointer points to a pointer to the symbol -associated with the relocation request. It is the pointer into the -table returned by the back end's `canonicalize_symtab' action. *Note -Symbols::. The symbol is referenced through a pointer to a pointer so -that tools like the linker can fix up all the symbols of the same name -by modifying only one pointer. The relocation routine looks in the -symbol and uses the base of the section the symbol is attached to and -the value of the symbol as the initial relocation offset. If the symbol -pointer is zero, then the section provided is looked up. - - * `address' - The `address' field gives the offset in bytes from the base of the -section data which owns the relocation record to the first byte of -relocatable information. The actual data relocated will be relative to -this point; for example, a relocation type which modifies the bottom -two bytes of a four byte word would not touch the first byte pointed to -in a big endian world. - - * `addend' - The `addend' is a value provided by the back end to be added (!) to -the relocation offset. Its interpretation is dependent upon the howto. -For example, on the 68k the code: - - char foo[]; - main() - { - return foo[0x12345678]; - } - - Could be compiled into: - - linkw fp,#-4 - moveb @#12345678,d0 - extbl d0 - unlk fp - rts - - This could create a reloc pointing to `foo', but leave the offset in -the data, something like: - - RELOCATION RECORDS FOR [.text]: - offset type value - 00000006 32 _foo - - 00000000 4e56 fffc ; linkw fp,#-4 - 00000004 1039 1234 5678 ; moveb @#12345678,d0 - 0000000a 49c0 ; extbl d0 - 0000000c 4e5e ; unlk fp - 0000000e 4e75 ; rts - - Using coff and an 88k, some instructions don't have enough space in -them to represent the full address range, and pointers have to be -loaded in two parts. So you'd get something like: - - or.u r13,r0,hi16(_foo+0x12345678) - ld.b r2,r13,lo16(_foo+0x12345678) - jmp r1 - - This should create two relocs, both pointing to `_foo', and with -0x12340000 in their addend field. The data would consist of: - - RELOCATION RECORDS FOR [.text]: - offset type value - 00000002 HVRT16 _foo+0x12340000 - 00000006 LVRT16 _foo+0x12340000 - - 00000000 5da05678 ; or.u r13,r0,0x5678 - 00000004 1c4d5678 ; ld.b r2,r13,0x5678 - 00000008 f400c001 ; jmp r1 - - The relocation routine digs out the value from the data, adds it to -the addend to get the original offset, and then adds the value of -`_foo'. Note that all 32 bits have to be kept around somewhere, to cope -with carry from bit 15 to bit 16. - - One further example is the sparc and the a.out format. The sparc has -a similar problem to the 88k, in that some instructions don't have room -for an entire offset, but on the sparc the parts are created in odd -sized lumps. The designers of the a.out format chose to not use the -data within the section for storing part of the offset; all the offset -is kept within the reloc. Anything in the data should be ignored. - - save %sp,-112,%sp - sethi %hi(_foo+0x12345678),%g2 - ldsb [%g2+%lo(_foo+0x12345678)],%i0 - ret - restore - - Both relocs contain a pointer to `foo', and the offsets contain junk. - - RELOCATION RECORDS FOR [.text]: - offset type value - 00000004 HI22 _foo+0x12345678 - 00000008 LO10 _foo+0x12345678 - - 00000000 9de3bf90 ; save %sp,-112,%sp - 00000004 05000000 ; sethi %hi(_foo+0),%g2 - 00000008 f048a000 ; ldsb [%g2+%lo(_foo+0)],%i0 - 0000000c 81c7e008 ; ret - 00000010 81e80000 ; restore - - * `howto' - The `howto' field can be imagined as a relocation instruction. It is -a pointer to a structure which contains information on what to do with -all of the other information in the reloc record and data section. A -back end would normally have a relocation instruction set and turn -relocations into pointers to the correct structure on input - but it -would be possible to create each howto field on demand. - -2.10.1.1 `enum complain_overflow' -................................. - -Indicates what sort of overflow checking should be done when performing -a relocation. - - - enum complain_overflow - { - /* Do not complain on overflow. */ - complain_overflow_dont, - - /* Complain if the value overflows when considered as a signed - number one bit larger than the field. ie. A bitfield of N bits - is allowed to represent -2**n to 2**n-1. */ - complain_overflow_bitfield, - - /* Complain if the value overflows when considered as a signed - number. */ - complain_overflow_signed, - - /* Complain if the value overflows when considered as an - unsigned number. */ - complain_overflow_unsigned - }; - -2.10.1.2 `reloc_howto_type' -........................... - -The `reloc_howto_type' is a structure which contains all the -information that libbfd needs to know to tie up a back end's data. - - struct bfd_symbol; /* Forward declaration. */ - - struct reloc_howto_struct - { - /* The type field has mainly a documentary use - the back end can - do what it wants with it, though normally the back end's - external idea of what a reloc number is stored - in this field. For example, a PC relative word relocation - in a coff environment has the type 023 - because that's - what the outside world calls a R_PCRWORD reloc. */ - unsigned int type; - - /* The value the final relocation is shifted right by. This drops - unwanted data from the relocation. */ - unsigned int rightshift; - - /* The size of the item to be relocated. This is *not* a - power-of-two measure. To get the number of bytes operated - on by a type of relocation, use bfd_get_reloc_size. */ - int size; - - /* The number of bits in the item to be relocated. This is used - when doing overflow checking. */ - unsigned int bitsize; - - /* Notes that the relocation is relative to the location in the - data section of the addend. The relocation function will - subtract from the relocation value the address of the location - being relocated. */ - bfd_boolean pc_relative; - - /* The bit position of the reloc value in the destination. - The relocated value is left shifted by this amount. */ - unsigned int bitpos; - - /* What type of overflow error should be checked for when - relocating. */ - enum complain_overflow complain_on_overflow; - - /* If this field is non null, then the supplied function is - called rather than the normal function. This allows really - strange relocation methods to be accommodated (e.g., i960 callj - instructions). */ - bfd_reloc_status_type (*special_function) - (bfd *, arelent *, struct bfd_symbol *, void *, asection *, - bfd *, char **); - - /* The textual name of the relocation type. */ - char *name; - - /* Some formats record a relocation addend in the section contents - rather than with the relocation. For ELF formats this is the - distinction between USE_REL and USE_RELA (though the code checks - for USE_REL == 1/0). The value of this field is TRUE if the - addend is recorded with the section contents; when performing a - partial link (ld -r) the section contents (the data) will be - modified. The value of this field is FALSE if addends are - recorded with the relocation (in arelent.addend); when performing - a partial link the relocation will be modified. - All relocations for all ELF USE_RELA targets should set this field - to FALSE (values of TRUE should be looked on with suspicion). - However, the converse is not true: not all relocations of all ELF - USE_REL targets set this field to TRUE. Why this is so is peculiar - to each particular target. For relocs that aren't used in partial - links (e.g. GOT stuff) it doesn't matter what this is set to. */ - bfd_boolean partial_inplace; - - /* src_mask selects the part of the instruction (or data) to be used - in the relocation sum. If the target relocations don't have an - addend in the reloc, eg. ELF USE_REL, src_mask will normally equal - dst_mask to extract the addend from the section contents. If - relocations do have an addend in the reloc, eg. ELF USE_RELA, this - field should be zero. Non-zero values for ELF USE_RELA targets are - bogus as in those cases the value in the dst_mask part of the - section contents should be treated as garbage. */ - bfd_vma src_mask; - - /* dst_mask selects which parts of the instruction (or data) are - replaced with a relocated value. */ - bfd_vma dst_mask; - - /* When some formats create PC relative instructions, they leave - the value of the pc of the place being relocated in the offset - slot of the instruction, so that a PC relative relocation can - be made just by adding in an ordinary offset (e.g., sun3 a.out). - Some formats leave the displacement part of an instruction - empty (e.g., m88k bcs); this flag signals the fact. */ - bfd_boolean pcrel_offset; - }; - -2.10.1.3 `The HOWTO Macro' -.......................... - -*Description* -The HOWTO define is horrible and will go away. - #define HOWTO(C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC) \ - { (unsigned) C, R, S, B, P, BI, O, SF, NAME, INPLACE, MASKSRC, MASKDST, PC } - - *Description* -And will be replaced with the totally magic way. But for the moment, we -are compatible, so do it this way. - #define NEWHOWTO(FUNCTION, NAME, SIZE, REL, IN) \ - HOWTO (0, 0, SIZE, 0, REL, 0, complain_overflow_dont, FUNCTION, \ - NAME, FALSE, 0, 0, IN) - - *Description* -This is used to fill in an empty howto entry in an array. - #define EMPTY_HOWTO(C) \ - HOWTO ((C), 0, 0, 0, FALSE, 0, complain_overflow_dont, NULL, \ - NULL, FALSE, 0, 0, FALSE) - - *Description* -Helper routine to turn a symbol into a relocation value. - #define HOWTO_PREPARE(relocation, symbol) \ - { \ - if (symbol != NULL) \ - { \ - if (bfd_is_com_section (symbol->section)) \ - { \ - relocation = 0; \ - } \ - else \ - { \ - relocation = symbol->value; \ - } \ - } \ - } - -2.10.1.4 `bfd_get_reloc_size' -............................. - -*Synopsis* - unsigned int bfd_get_reloc_size (reloc_howto_type *); - *Description* -For a reloc_howto_type that operates on a fixed number of bytes, this -returns the number of bytes operated on. - -2.10.1.5 `arelent_chain' -........................ - -*Description* -How relocs are tied together in an `asection': - typedef struct relent_chain - { - arelent relent; - struct relent_chain *next; - } - arelent_chain; - -2.10.1.6 `bfd_check_overflow' -............................. - -*Synopsis* - bfd_reloc_status_type bfd_check_overflow - (enum complain_overflow how, - unsigned int bitsize, - unsigned int rightshift, - unsigned int addrsize, - bfd_vma relocation); - *Description* -Perform overflow checking on RELOCATION which has BITSIZE significant -bits and will be shifted right by RIGHTSHIFT bits, on a machine with -addresses containing ADDRSIZE significant bits. The result is either of -`bfd_reloc_ok' or `bfd_reloc_overflow'. - -2.10.1.7 `bfd_perform_relocation' -................................. - -*Synopsis* - bfd_reloc_status_type bfd_perform_relocation - (bfd *abfd, - arelent *reloc_entry, - void *data, - asection *input_section, - bfd *output_bfd, - char **error_message); - *Description* -If OUTPUT_BFD is supplied to this function, the generated image will be -relocatable; the relocations are copied to the output file after they -have been changed to reflect the new state of the world. There are two -ways of reflecting the results of partial linkage in an output file: by -modifying the output data in place, and by modifying the relocation -record. Some native formats (e.g., basic a.out and basic coff) have no -way of specifying an addend in the relocation type, so the addend has -to go in the output data. This is no big deal since in these formats -the output data slot will always be big enough for the addend. Complex -reloc types with addends were invented to solve just this problem. The -ERROR_MESSAGE argument is set to an error message if this return -`bfd_reloc_dangerous'. - -2.10.1.8 `bfd_install_relocation' -................................. - -*Synopsis* - bfd_reloc_status_type bfd_install_relocation - (bfd *abfd, - arelent *reloc_entry, - void *data, bfd_vma data_start, - asection *input_section, - char **error_message); - *Description* -This looks remarkably like `bfd_perform_relocation', except it does not -expect that the section contents have been filled in. I.e., it's -suitable for use when creating, rather than applying a relocation. - - For now, this function should be considered reserved for the -assembler. - - -File: bfd.info, Node: howto manager, Prev: typedef arelent, Up: Relocations - -2.10.2 The howto manager ------------------------- - -When an application wants to create a relocation, but doesn't know what -the target machine might call it, it can find out by using this bit of -code. - -2.10.2.1 `bfd_reloc_code_type' -.............................. - -*Description* -The insides of a reloc code. The idea is that, eventually, there will -be one enumerator for every type of relocation we ever do. Pass one of -these values to `bfd_reloc_type_lookup', and it'll return a howto -pointer. - - This does mean that the application must determine the correct -enumerator value; you can't get a howto pointer from a random set of -attributes. - - Here are the possible values for `enum bfd_reloc_code_real': - - -- : BFD_RELOC_64 - -- : BFD_RELOC_32 - -- : BFD_RELOC_26 - -- : BFD_RELOC_24 - -- : BFD_RELOC_16 - -- : BFD_RELOC_14 - -- : BFD_RELOC_8 - Basic absolute relocations of N bits. - - -- : BFD_RELOC_64_PCREL - -- : BFD_RELOC_32_PCREL - -- : BFD_RELOC_24_PCREL - -- : BFD_RELOC_16_PCREL - -- : BFD_RELOC_12_PCREL - -- : BFD_RELOC_8_PCREL - PC-relative relocations. Sometimes these are relative to the - address of the relocation itself; sometimes they are relative to - the start of the section containing the relocation. It depends on - the specific target. - - The 24-bit relocation is used in some Intel 960 configurations. - - -- : BFD_RELOC_32_SECREL - Section relative relocations. Some targets need this for DWARF2. - - -- : BFD_RELOC_32_GOT_PCREL - -- : BFD_RELOC_16_GOT_PCREL - -- : BFD_RELOC_8_GOT_PCREL - -- : BFD_RELOC_32_GOTOFF - -- : BFD_RELOC_16_GOTOFF - -- : BFD_RELOC_LO16_GOTOFF - -- : BFD_RELOC_HI16_GOTOFF - -- : BFD_RELOC_HI16_S_GOTOFF - -- : BFD_RELOC_8_GOTOFF - -- : BFD_RELOC_64_PLT_PCREL - -- : BFD_RELOC_32_PLT_PCREL - -- : BFD_RELOC_24_PLT_PCREL - -- : BFD_RELOC_16_PLT_PCREL - -- : BFD_RELOC_8_PLT_PCREL - -- : BFD_RELOC_64_PLTOFF - -- : BFD_RELOC_32_PLTOFF - -- : BFD_RELOC_16_PLTOFF - -- : BFD_RELOC_LO16_PLTOFF - -- : BFD_RELOC_HI16_PLTOFF - -- : BFD_RELOC_HI16_S_PLTOFF - -- : BFD_RELOC_8_PLTOFF - For ELF. - - -- : BFD_RELOC_68K_GLOB_DAT - -- : BFD_RELOC_68K_JMP_SLOT - -- : BFD_RELOC_68K_RELATIVE - -- : BFD_RELOC_68K_TLS_GD32 - -- : BFD_RELOC_68K_TLS_GD16 - -- : BFD_RELOC_68K_TLS_GD8 - -- : BFD_RELOC_68K_TLS_LDM32 - -- : BFD_RELOC_68K_TLS_LDM16 - -- : BFD_RELOC_68K_TLS_LDM8 - -- : BFD_RELOC_68K_TLS_LDO32 - -- : BFD_RELOC_68K_TLS_LDO16 - -- : BFD_RELOC_68K_TLS_LDO8 - -- : BFD_RELOC_68K_TLS_IE32 - -- : BFD_RELOC_68K_TLS_IE16 - -- : BFD_RELOC_68K_TLS_IE8 - -- : BFD_RELOC_68K_TLS_LE32 - -- : BFD_RELOC_68K_TLS_LE16 - -- : BFD_RELOC_68K_TLS_LE8 - Relocations used by 68K ELF. - - -- : BFD_RELOC_32_BASEREL - -- : BFD_RELOC_16_BASEREL - -- : BFD_RELOC_LO16_BASEREL - -- : BFD_RELOC_HI16_BASEREL - -- : BFD_RELOC_HI16_S_BASEREL - -- : BFD_RELOC_8_BASEREL - -- : BFD_RELOC_RVA - Linkage-table relative. - - -- : BFD_RELOC_8_FFnn - Absolute 8-bit relocation, but used to form an address like 0xFFnn. - - -- : BFD_RELOC_32_PCREL_S2 - -- : BFD_RELOC_16_PCREL_S2 - -- : BFD_RELOC_23_PCREL_S2 - These PC-relative relocations are stored as word displacements - - i.e., byte displacements shifted right two bits. The 30-bit word - displacement (<<32_PCREL_S2>> - 32 bits, shifted 2) is used on the - SPARC. (SPARC tools generally refer to this as <>.) The - signed 16-bit displacement is used on the MIPS, and the 23-bit - displacement is used on the Alpha. - - -- : BFD_RELOC_HI22 - -- : BFD_RELOC_LO10 - High 22 bits and low 10 bits of 32-bit value, placed into lower - bits of the target word. These are used on the SPARC. - - -- : BFD_RELOC_GPREL16 - -- : BFD_RELOC_GPREL32 - For systems that allocate a Global Pointer register, these are - displacements off that register. These relocation types are - handled specially, because the value the register will have is - decided relatively late. - - -- : BFD_RELOC_I960_CALLJ - Reloc types used for i960/b.out. - - -- : BFD_RELOC_NONE - -- : BFD_RELOC_SPARC_WDISP22 - -- : BFD_RELOC_SPARC22 - -- : BFD_RELOC_SPARC13 - -- : BFD_RELOC_SPARC_GOT10 - -- : BFD_RELOC_SPARC_GOT13 - -- : BFD_RELOC_SPARC_GOT22 - -- : BFD_RELOC_SPARC_PC10 - -- : BFD_RELOC_SPARC_PC22 - -- : BFD_RELOC_SPARC_WPLT30 - -- : BFD_RELOC_SPARC_COPY - -- : BFD_RELOC_SPARC_GLOB_DAT - -- : BFD_RELOC_SPARC_JMP_SLOT - -- : BFD_RELOC_SPARC_RELATIVE - -- : BFD_RELOC_SPARC_UA16 - -- : BFD_RELOC_SPARC_UA32 - -- : BFD_RELOC_SPARC_UA64 - -- : BFD_RELOC_SPARC_GOTDATA_HIX22 - -- : BFD_RELOC_SPARC_GOTDATA_LOX10 - -- : BFD_RELOC_SPARC_GOTDATA_OP_HIX22 - -- : BFD_RELOC_SPARC_GOTDATA_OP_LOX10 - -- : BFD_RELOC_SPARC_GOTDATA_OP - SPARC ELF relocations. There is probably some overlap with other - relocation types already defined. - - -- : BFD_RELOC_SPARC_BASE13 - -- : BFD_RELOC_SPARC_BASE22 - I think these are specific to SPARC a.out (e.g., Sun 4). - - -- : BFD_RELOC_SPARC_64 - -- : BFD_RELOC_SPARC_10 - -- : BFD_RELOC_SPARC_11 - -- : BFD_RELOC_SPARC_OLO10 - -- : BFD_RELOC_SPARC_HH22 - -- : BFD_RELOC_SPARC_HM10 - -- : BFD_RELOC_SPARC_LM22 - -- : BFD_RELOC_SPARC_PC_HH22 - -- : BFD_RELOC_SPARC_PC_HM10 - -- : BFD_RELOC_SPARC_PC_LM22 - -- : BFD_RELOC_SPARC_WDISP16 - -- : BFD_RELOC_SPARC_WDISP19 - -- : BFD_RELOC_SPARC_7 - -- : BFD_RELOC_SPARC_6 - -- : BFD_RELOC_SPARC_5 - -- : BFD_RELOC_SPARC_DISP64 - -- : BFD_RELOC_SPARC_PLT32 - -- : BFD_RELOC_SPARC_PLT64 - -- : BFD_RELOC_SPARC_HIX22 - -- : BFD_RELOC_SPARC_LOX10 - -- : BFD_RELOC_SPARC_H44 - -- : BFD_RELOC_SPARC_M44 - -- : BFD_RELOC_SPARC_L44 - -- : BFD_RELOC_SPARC_REGISTER - SPARC64 relocations - - -- : BFD_RELOC_SPARC_REV32 - SPARC little endian relocation - - -- : BFD_RELOC_SPARC_TLS_GD_HI22 - -- : BFD_RELOC_SPARC_TLS_GD_LO10 - -- : BFD_RELOC_SPARC_TLS_GD_ADD - -- : BFD_RELOC_SPARC_TLS_GD_CALL - -- : BFD_RELOC_SPARC_TLS_LDM_HI22 - -- : BFD_RELOC_SPARC_TLS_LDM_LO10 - -- : BFD_RELOC_SPARC_TLS_LDM_ADD - -- : BFD_RELOC_SPARC_TLS_LDM_CALL - -- : BFD_RELOC_SPARC_TLS_LDO_HIX22 - -- : BFD_RELOC_SPARC_TLS_LDO_LOX10 - -- : BFD_RELOC_SPARC_TLS_LDO_ADD - -- : BFD_RELOC_SPARC_TLS_IE_HI22 - -- : BFD_RELOC_SPARC_TLS_IE_LO10 - -- : BFD_RELOC_SPARC_TLS_IE_LD - -- : BFD_RELOC_SPARC_TLS_IE_LDX - -- : BFD_RELOC_SPARC_TLS_IE_ADD - -- : BFD_RELOC_SPARC_TLS_LE_HIX22 - -- : BFD_RELOC_SPARC_TLS_LE_LOX10 - -- : BFD_RELOC_SPARC_TLS_DTPMOD32 - -- : BFD_RELOC_SPARC_TLS_DTPMOD64 - -- : BFD_RELOC_SPARC_TLS_DTPOFF32 - -- : BFD_RELOC_SPARC_TLS_DTPOFF64 - -- : BFD_RELOC_SPARC_TLS_TPOFF32 - -- : BFD_RELOC_SPARC_TLS_TPOFF64 - SPARC TLS relocations - - -- : BFD_RELOC_SPU_IMM7 - -- : BFD_RELOC_SPU_IMM8 - -- : BFD_RELOC_SPU_IMM10 - -- : BFD_RELOC_SPU_IMM10W - -- : BFD_RELOC_SPU_IMM16 - -- : BFD_RELOC_SPU_IMM16W - -- : BFD_RELOC_SPU_IMM18 - -- : BFD_RELOC_SPU_PCREL9a - -- : BFD_RELOC_SPU_PCREL9b - -- : BFD_RELOC_SPU_PCREL16 - -- : BFD_RELOC_SPU_LO16 - -- : BFD_RELOC_SPU_HI16 - -- : BFD_RELOC_SPU_PPU32 - -- : BFD_RELOC_SPU_PPU64 - -- : BFD_RELOC_SPU_ADD_PIC - SPU Relocations. - - -- : BFD_RELOC_ALPHA_GPDISP_HI16 - Alpha ECOFF and ELF relocations. Some of these treat the symbol or - "addend" in some special way. For GPDISP_HI16 ("gpdisp") - relocations, the symbol is ignored when writing; when reading, it - will be the absolute section symbol. The addend is the - displacement in bytes of the "lda" instruction from the "ldah" - instruction (which is at the address of this reloc). - - -- : BFD_RELOC_ALPHA_GPDISP_LO16 - For GPDISP_LO16 ("ignore") relocations, the symbol is handled as - with GPDISP_HI16 relocs. The addend is ignored when writing the - relocations out, and is filled in with the file's GP value on - reading, for convenience. - - -- : BFD_RELOC_ALPHA_GPDISP - The ELF GPDISP relocation is exactly the same as the GPDISP_HI16 - relocation except that there is no accompanying GPDISP_LO16 - relocation. - - -- : BFD_RELOC_ALPHA_LITERAL - -- : BFD_RELOC_ALPHA_ELF_LITERAL - -- : BFD_RELOC_ALPHA_LITUSE - The Alpha LITERAL/LITUSE relocs are produced by a symbol reference; - the assembler turns it into a LDQ instruction to load the address - of the symbol, and then fills in a register in the real - instruction. - - The LITERAL reloc, at the LDQ instruction, refers to the .lita - section symbol. The addend is ignored when writing, but is filled - in with the file's GP value on reading, for convenience, as with - the GPDISP_LO16 reloc. - - The ELF_LITERAL reloc is somewhere between 16_GOTOFF and - GPDISP_LO16. It should refer to the symbol to be referenced, as - with 16_GOTOFF, but it generates output not based on the position - within the .got section, but relative to the GP value chosen for - the file during the final link stage. - - The LITUSE reloc, on the instruction using the loaded address, - gives information to the linker that it might be able to use to - optimize away some literal section references. The symbol is - ignored (read as the absolute section symbol), and the "addend" - indicates the type of instruction using the register: 1 - "memory" - fmt insn 2 - byte-manipulation (byte offset reg) 3 - jsr (target - of branch) - - -- : BFD_RELOC_ALPHA_HINT - The HINT relocation indicates a value that should be filled into - the "hint" field of a jmp/jsr/ret instruction, for possible branch- - prediction logic which may be provided on some processors. - - -- : BFD_RELOC_ALPHA_LINKAGE - The LINKAGE relocation outputs a linkage pair in the object file, - which is filled by the linker. - - -- : BFD_RELOC_ALPHA_CODEADDR - The CODEADDR relocation outputs a STO_CA in the object file, which - is filled by the linker. - - -- : BFD_RELOC_ALPHA_GPREL_HI16 - -- : BFD_RELOC_ALPHA_GPREL_LO16 - The GPREL_HI/LO relocations together form a 32-bit offset from the - GP register. - - -- : BFD_RELOC_ALPHA_BRSGP - Like BFD_RELOC_23_PCREL_S2, except that the source and target must - share a common GP, and the target address is adjusted for - STO_ALPHA_STD_GPLOAD. - - -- : BFD_RELOC_ALPHA_NOP - The NOP relocation outputs a NOP if the longword displacement - between two procedure entry points is < 2^21. - - -- : BFD_RELOC_ALPHA_BSR - The BSR relocation outputs a BSR if the longword displacement - between two procedure entry points is < 2^21. - - -- : BFD_RELOC_ALPHA_LDA - The LDA relocation outputs a LDA if the longword displacement - between two procedure entry points is < 2^16. - - -- : BFD_RELOC_ALPHA_BOH - The BOH relocation outputs a BSR if the longword displacement - between two procedure entry points is < 2^21, or else a hint. - - -- : BFD_RELOC_ALPHA_TLSGD - -- : BFD_RELOC_ALPHA_TLSLDM - -- : BFD_RELOC_ALPHA_DTPMOD64 - -- : BFD_RELOC_ALPHA_GOTDTPREL16 - -- : BFD_RELOC_ALPHA_DTPREL64 - -- : BFD_RELOC_ALPHA_DTPREL_HI16 - -- : BFD_RELOC_ALPHA_DTPREL_LO16 - -- : BFD_RELOC_ALPHA_DTPREL16 - -- : BFD_RELOC_ALPHA_GOTTPREL16 - -- : BFD_RELOC_ALPHA_TPREL64 - -- : BFD_RELOC_ALPHA_TPREL_HI16 - -- : BFD_RELOC_ALPHA_TPREL_LO16 - -- : BFD_RELOC_ALPHA_TPREL16 - Alpha thread-local storage relocations. - - -- : BFD_RELOC_MIPS_JMP - Bits 27..2 of the relocation address shifted right 2 bits; simple - reloc otherwise. - - -- : BFD_RELOC_MIPS16_JMP - The MIPS16 jump instruction. - - -- : BFD_RELOC_MIPS16_GPREL - MIPS16 GP relative reloc. - - -- : BFD_RELOC_HI16 - High 16 bits of 32-bit value; simple reloc. - - -- : BFD_RELOC_HI16_S - High 16 bits of 32-bit value but the low 16 bits will be sign - extended and added to form the final result. If the low 16 bits - form a negative number, we need to add one to the high value to - compensate for the borrow when the low bits are added. - - -- : BFD_RELOC_LO16 - Low 16 bits. - - -- : BFD_RELOC_HI16_PCREL - High 16 bits of 32-bit pc-relative value - - -- : BFD_RELOC_HI16_S_PCREL - High 16 bits of 32-bit pc-relative value, adjusted - - -- : BFD_RELOC_LO16_PCREL - Low 16 bits of pc-relative value - - -- : BFD_RELOC_MIPS16_GOT16 - -- : BFD_RELOC_MIPS16_CALL16 - Equivalent of BFD_RELOC_MIPS_*, but with the MIPS16 layout of - 16-bit immediate fields - - -- : BFD_RELOC_MIPS16_HI16 - MIPS16 high 16 bits of 32-bit value. - - -- : BFD_RELOC_MIPS16_HI16_S - MIPS16 high 16 bits of 32-bit value but the low 16 bits will be - sign extended and added to form the final result. If the low 16 - bits form a negative number, we need to add one to the high value - to compensate for the borrow when the low bits are added. - - -- : BFD_RELOC_MIPS16_LO16 - MIPS16 low 16 bits. - - -- : BFD_RELOC_MIPS_LITERAL - Relocation against a MIPS literal section. - - -- : BFD_RELOC_MIPS_GOT16 - -- : BFD_RELOC_MIPS_CALL16 - -- : BFD_RELOC_MIPS_GOT_HI16 - -- : BFD_RELOC_MIPS_GOT_LO16 - -- : BFD_RELOC_MIPS_CALL_HI16 - -- : BFD_RELOC_MIPS_CALL_LO16 - -- : BFD_RELOC_MIPS_SUB - -- : BFD_RELOC_MIPS_GOT_PAGE - -- : BFD_RELOC_MIPS_GOT_OFST - -- : BFD_RELOC_MIPS_GOT_DISP - -- : BFD_RELOC_MIPS_SHIFT5 - -- : BFD_RELOC_MIPS_SHIFT6 - -- : BFD_RELOC_MIPS_INSERT_A - -- : BFD_RELOC_MIPS_INSERT_B - -- : BFD_RELOC_MIPS_DELETE - -- : BFD_RELOC_MIPS_HIGHEST - -- : BFD_RELOC_MIPS_HIGHER - -- : BFD_RELOC_MIPS_SCN_DISP - -- : BFD_RELOC_MIPS_REL16 - -- : BFD_RELOC_MIPS_RELGOT - -- : BFD_RELOC_MIPS_JALR - -- : BFD_RELOC_MIPS_TLS_DTPMOD32 - -- : BFD_RELOC_MIPS_TLS_DTPREL32 - -- : BFD_RELOC_MIPS_TLS_DTPMOD64 - -- : BFD_RELOC_MIPS_TLS_DTPREL64 - -- : BFD_RELOC_MIPS_TLS_GD - -- : BFD_RELOC_MIPS_TLS_LDM - -- : BFD_RELOC_MIPS_TLS_DTPREL_HI16 - -- : BFD_RELOC_MIPS_TLS_DTPREL_LO16 - -- : BFD_RELOC_MIPS_TLS_GOTTPREL - -- : BFD_RELOC_MIPS_TLS_TPREL32 - -- : BFD_RELOC_MIPS_TLS_TPREL64 - -- : BFD_RELOC_MIPS_TLS_TPREL_HI16 - -- : BFD_RELOC_MIPS_TLS_TPREL_LO16 - MIPS ELF relocations. - - -- : BFD_RELOC_MIPS_COPY - -- : BFD_RELOC_MIPS_JUMP_SLOT - MIPS ELF relocations (VxWorks and PLT extensions). - - -- : BFD_RELOC_MOXIE_10_PCREL - Moxie ELF relocations. - - -- : BFD_RELOC_FRV_LABEL16 - -- : BFD_RELOC_FRV_LABEL24 - -- : BFD_RELOC_FRV_LO16 - -- : BFD_RELOC_FRV_HI16 - -- : BFD_RELOC_FRV_GPREL12 - -- : BFD_RELOC_FRV_GPRELU12 - -- : BFD_RELOC_FRV_GPREL32 - -- : BFD_RELOC_FRV_GPRELHI - -- : BFD_RELOC_FRV_GPRELLO - -- : BFD_RELOC_FRV_GOT12 - -- : BFD_RELOC_FRV_GOTHI - -- : BFD_RELOC_FRV_GOTLO - -- : BFD_RELOC_FRV_FUNCDESC - -- : BFD_RELOC_FRV_FUNCDESC_GOT12 - -- : BFD_RELOC_FRV_FUNCDESC_GOTHI - -- : BFD_RELOC_FRV_FUNCDESC_GOTLO - -- : BFD_RELOC_FRV_FUNCDESC_VALUE - -- : BFD_RELOC_FRV_FUNCDESC_GOTOFF12 - -- : BFD_RELOC_FRV_FUNCDESC_GOTOFFHI - -- : BFD_RELOC_FRV_FUNCDESC_GOTOFFLO - -- : BFD_RELOC_FRV_GOTOFF12 - -- : BFD_RELOC_FRV_GOTOFFHI - -- : BFD_RELOC_FRV_GOTOFFLO - -- : BFD_RELOC_FRV_GETTLSOFF - -- : BFD_RELOC_FRV_TLSDESC_VALUE - -- : BFD_RELOC_FRV_GOTTLSDESC12 - -- : BFD_RELOC_FRV_GOTTLSDESCHI - -- : BFD_RELOC_FRV_GOTTLSDESCLO - -- : BFD_RELOC_FRV_TLSMOFF12 - -- : BFD_RELOC_FRV_TLSMOFFHI - -- : BFD_RELOC_FRV_TLSMOFFLO - -- : BFD_RELOC_FRV_GOTTLSOFF12 - -- : BFD_RELOC_FRV_GOTTLSOFFHI - -- : BFD_RELOC_FRV_GOTTLSOFFLO - -- : BFD_RELOC_FRV_TLSOFF - -- : BFD_RELOC_FRV_TLSDESC_RELAX - -- : BFD_RELOC_FRV_GETTLSOFF_RELAX - -- : BFD_RELOC_FRV_TLSOFF_RELAX - -- : BFD_RELOC_FRV_TLSMOFF - Fujitsu Frv Relocations. - - -- : BFD_RELOC_MN10300_GOTOFF24 - This is a 24bit GOT-relative reloc for the mn10300. - - -- : BFD_RELOC_MN10300_GOT32 - This is a 32bit GOT-relative reloc for the mn10300, offset by two - bytes in the instruction. - - -- : BFD_RELOC_MN10300_GOT24 - This is a 24bit GOT-relative reloc for the mn10300, offset by two - bytes in the instruction. - - -- : BFD_RELOC_MN10300_GOT16 - This is a 16bit GOT-relative reloc for the mn10300, offset by two - bytes in the instruction. - - -- : BFD_RELOC_MN10300_COPY - Copy symbol at runtime. - - -- : BFD_RELOC_MN10300_GLOB_DAT - Create GOT entry. - - -- : BFD_RELOC_MN10300_JMP_SLOT - Create PLT entry. - - -- : BFD_RELOC_MN10300_RELATIVE - Adjust by program base. - - -- : BFD_RELOC_MN10300_SYM_DIFF - Together with another reloc targeted at the same location, allows - for a value that is the difference of two symbols in the same - section. - - -- : BFD_RELOC_MN10300_ALIGN - The addend of this reloc is an alignment power that must be - honoured at the offset's location, regardless of linker relaxation. - - -- : BFD_RELOC_386_GOT32 - -- : BFD_RELOC_386_PLT32 - -- : BFD_RELOC_386_COPY - -- : BFD_RELOC_386_GLOB_DAT - -- : BFD_RELOC_386_JUMP_SLOT - -- : BFD_RELOC_386_RELATIVE - -- : BFD_RELOC_386_GOTOFF - -- : BFD_RELOC_386_GOTPC - -- : BFD_RELOC_386_TLS_TPOFF - -- : BFD_RELOC_386_TLS_IE - -- : BFD_RELOC_386_TLS_GOTIE - -- : BFD_RELOC_386_TLS_LE - -- : BFD_RELOC_386_TLS_GD - -- : BFD_RELOC_386_TLS_LDM - -- : BFD_RELOC_386_TLS_LDO_32 - -- : BFD_RELOC_386_TLS_IE_32 - -- : BFD_RELOC_386_TLS_LE_32 - -- : BFD_RELOC_386_TLS_DTPMOD32 - -- : BFD_RELOC_386_TLS_DTPOFF32 - -- : BFD_RELOC_386_TLS_TPOFF32 - -- : BFD_RELOC_386_TLS_GOTDESC - -- : BFD_RELOC_386_TLS_DESC_CALL - -- : BFD_RELOC_386_TLS_DESC - -- : BFD_RELOC_386_IRELATIVE - i386/elf relocations - - -- : BFD_RELOC_X86_64_GOT32 - -- : BFD_RELOC_X86_64_PLT32 - -- : BFD_RELOC_X86_64_COPY - -- : BFD_RELOC_X86_64_GLOB_DAT - -- : BFD_RELOC_X86_64_JUMP_SLOT - -- : BFD_RELOC_X86_64_RELATIVE - -- : BFD_RELOC_X86_64_GOTPCREL - -- : BFD_RELOC_X86_64_32S - -- : BFD_RELOC_X86_64_DTPMOD64 - -- : BFD_RELOC_X86_64_DTPOFF64 - -- : BFD_RELOC_X86_64_TPOFF64 - -- : BFD_RELOC_X86_64_TLSGD - -- : BFD_RELOC_X86_64_TLSLD - -- : BFD_RELOC_X86_64_DTPOFF32 - -- : BFD_RELOC_X86_64_GOTTPOFF - -- : BFD_RELOC_X86_64_TPOFF32 - -- : BFD_RELOC_X86_64_GOTOFF64 - -- : BFD_RELOC_X86_64_GOTPC32 - -- : BFD_RELOC_X86_64_GOT64 - -- : BFD_RELOC_X86_64_GOTPCREL64 - -- : BFD_RELOC_X86_64_GOTPC64 - -- : BFD_RELOC_X86_64_GOTPLT64 - -- : BFD_RELOC_X86_64_PLTOFF64 - -- : BFD_RELOC_X86_64_GOTPC32_TLSDESC - -- : BFD_RELOC_X86_64_TLSDESC_CALL - -- : BFD_RELOC_X86_64_TLSDESC - -- : BFD_RELOC_X86_64_IRELATIVE - x86-64/elf relocations - - -- : BFD_RELOC_NS32K_IMM_8 - -- : BFD_RELOC_NS32K_IMM_16 - -- : BFD_RELOC_NS32K_IMM_32 - -- : BFD_RELOC_NS32K_IMM_8_PCREL - -- : BFD_RELOC_NS32K_IMM_16_PCREL - -- : BFD_RELOC_NS32K_IMM_32_PCREL - -- : BFD_RELOC_NS32K_DISP_8 - -- : BFD_RELOC_NS32K_DISP_16 - -- : BFD_RELOC_NS32K_DISP_32 - -- : BFD_RELOC_NS32K_DISP_8_PCREL - -- : BFD_RELOC_NS32K_DISP_16_PCREL - -- : BFD_RELOC_NS32K_DISP_32_PCREL - ns32k relocations - - -- : BFD_RELOC_PDP11_DISP_8_PCREL - -- : BFD_RELOC_PDP11_DISP_6_PCREL - PDP11 relocations - - -- : BFD_RELOC_PJ_CODE_HI16 - -- : BFD_RELOC_PJ_CODE_LO16 - -- : BFD_RELOC_PJ_CODE_DIR16 - -- : BFD_RELOC_PJ_CODE_DIR32 - -- : BFD_RELOC_PJ_CODE_REL16 - -- : BFD_RELOC_PJ_CODE_REL32 - Picojava relocs. Not all of these appear in object files. - - -- : BFD_RELOC_PPC_B26 - -- : BFD_RELOC_PPC_BA26 - -- : BFD_RELOC_PPC_TOC16 - -- : BFD_RELOC_PPC_B16 - -- : BFD_RELOC_PPC_B16_BRTAKEN - -- : BFD_RELOC_PPC_B16_BRNTAKEN - -- : BFD_RELOC_PPC_BA16 - -- : BFD_RELOC_PPC_BA16_BRTAKEN - -- : BFD_RELOC_PPC_BA16_BRNTAKEN - -- : BFD_RELOC_PPC_COPY - -- : BFD_RELOC_PPC_GLOB_DAT - -- : BFD_RELOC_PPC_JMP_SLOT - -- : BFD_RELOC_PPC_RELATIVE - -- : BFD_RELOC_PPC_LOCAL24PC - -- : BFD_RELOC_PPC_EMB_NADDR32 - -- : BFD_RELOC_PPC_EMB_NADDR16 - -- : BFD_RELOC_PPC_EMB_NADDR16_LO - -- : BFD_RELOC_PPC_EMB_NADDR16_HI - -- : BFD_RELOC_PPC_EMB_NADDR16_HA - -- : BFD_RELOC_PPC_EMB_SDAI16 - -- : BFD_RELOC_PPC_EMB_SDA2I16 - -- : BFD_RELOC_PPC_EMB_SDA2REL - -- : BFD_RELOC_PPC_EMB_SDA21 - -- : BFD_RELOC_PPC_EMB_MRKREF - -- : BFD_RELOC_PPC_EMB_RELSEC16 - -- : BFD_RELOC_PPC_EMB_RELST_LO - -- : BFD_RELOC_PPC_EMB_RELST_HI - -- : BFD_RELOC_PPC_EMB_RELST_HA - -- : BFD_RELOC_PPC_EMB_BIT_FLD - -- : BFD_RELOC_PPC_EMB_RELSDA - -- : BFD_RELOC_PPC64_HIGHER - -- : BFD_RELOC_PPC64_HIGHER_S - -- : BFD_RELOC_PPC64_HIGHEST - -- : BFD_RELOC_PPC64_HIGHEST_S - -- : BFD_RELOC_PPC64_TOC16_LO - -- : BFD_RELOC_PPC64_TOC16_HI - -- : BFD_RELOC_PPC64_TOC16_HA - -- : BFD_RELOC_PPC64_TOC - -- : BFD_RELOC_PPC64_PLTGOT16 - -- : BFD_RELOC_PPC64_PLTGOT16_LO - -- : BFD_RELOC_PPC64_PLTGOT16_HI - -- : BFD_RELOC_PPC64_PLTGOT16_HA - -- : BFD_RELOC_PPC64_ADDR16_DS - -- : BFD_RELOC_PPC64_ADDR16_LO_DS - -- : BFD_RELOC_PPC64_GOT16_DS - -- : BFD_RELOC_PPC64_GOT16_LO_DS - -- : BFD_RELOC_PPC64_PLT16_LO_DS - -- : BFD_RELOC_PPC64_SECTOFF_DS - -- : BFD_RELOC_PPC64_SECTOFF_LO_DS - -- : BFD_RELOC_PPC64_TOC16_DS - -- : BFD_RELOC_PPC64_TOC16_LO_DS - -- : BFD_RELOC_PPC64_PLTGOT16_DS - -- : BFD_RELOC_PPC64_PLTGOT16_LO_DS - Power(rs6000) and PowerPC relocations. - - -- : BFD_RELOC_PPC_TLS - -- : BFD_RELOC_PPC_TLSGD - -- : BFD_RELOC_PPC_TLSLD - -- : BFD_RELOC_PPC_DTPMOD - -- : BFD_RELOC_PPC_TPREL16 - -- : BFD_RELOC_PPC_TPREL16_LO - -- : BFD_RELOC_PPC_TPREL16_HI - -- : BFD_RELOC_PPC_TPREL16_HA - -- : BFD_RELOC_PPC_TPREL - -- : BFD_RELOC_PPC_DTPREL16 - -- : BFD_RELOC_PPC_DTPREL16_LO - -- : BFD_RELOC_PPC_DTPREL16_HI - -- : BFD_RELOC_PPC_DTPREL16_HA - -- : BFD_RELOC_PPC_DTPREL - -- : BFD_RELOC_PPC_GOT_TLSGD16 - -- : BFD_RELOC_PPC_GOT_TLSGD16_LO - -- : BFD_RELOC_PPC_GOT_TLSGD16_HI - -- : BFD_RELOC_PPC_GOT_TLSGD16_HA - -- : BFD_RELOC_PPC_GOT_TLSLD16 - -- : BFD_RELOC_PPC_GOT_TLSLD16_LO - -- : BFD_RELOC_PPC_GOT_TLSLD16_HI - -- : BFD_RELOC_PPC_GOT_TLSLD16_HA - -- : BFD_RELOC_PPC_GOT_TPREL16 - -- : BFD_RELOC_PPC_GOT_TPREL16_LO - -- : BFD_RELOC_PPC_GOT_TPREL16_HI - -- : BFD_RELOC_PPC_GOT_TPREL16_HA - -- : BFD_RELOC_PPC_GOT_DTPREL16 - -- : BFD_RELOC_PPC_GOT_DTPREL16_LO - -- : BFD_RELOC_PPC_GOT_DTPREL16_HI - -- : BFD_RELOC_PPC_GOT_DTPREL16_HA - -- : BFD_RELOC_PPC64_TPREL16_DS - -- : BFD_RELOC_PPC64_TPREL16_LO_DS - -- : BFD_RELOC_PPC64_TPREL16_HIGHER - -- : BFD_RELOC_PPC64_TPREL16_HIGHERA - -- : BFD_RELOC_PPC64_TPREL16_HIGHEST - -- : BFD_RELOC_PPC64_TPREL16_HIGHESTA - -- : BFD_RELOC_PPC64_DTPREL16_DS - -- : BFD_RELOC_PPC64_DTPREL16_LO_DS - -- : BFD_RELOC_PPC64_DTPREL16_HIGHER - -- : BFD_RELOC_PPC64_DTPREL16_HIGHERA - -- : BFD_RELOC_PPC64_DTPREL16_HIGHEST - -- : BFD_RELOC_PPC64_DTPREL16_HIGHESTA - PowerPC and PowerPC64 thread-local storage relocations. - - -- : BFD_RELOC_I370_D12 - IBM 370/390 relocations - - -- : BFD_RELOC_CTOR - The type of reloc used to build a constructor table - at the moment - probably a 32 bit wide absolute relocation, but the target can - choose. It generally does map to one of the other relocation - types. - - -- : BFD_RELOC_ARM_PCREL_BRANCH - ARM 26 bit pc-relative branch. The lowest two bits must be zero - and are not stored in the instruction. - - -- : BFD_RELOC_ARM_PCREL_BLX - ARM 26 bit pc-relative branch. The lowest bit must be zero and is - not stored in the instruction. The 2nd lowest bit comes from a 1 - bit field in the instruction. - - -- : BFD_RELOC_THUMB_PCREL_BLX - Thumb 22 bit pc-relative branch. The lowest bit must be zero and - is not stored in the instruction. The 2nd lowest bit comes from a - 1 bit field in the instruction. - - -- : BFD_RELOC_ARM_PCREL_CALL - ARM 26-bit pc-relative branch for an unconditional BL or BLX - instruction. - - -- : BFD_RELOC_ARM_PCREL_JUMP - ARM 26-bit pc-relative branch for B or conditional BL instruction. - - -- : BFD_RELOC_THUMB_PCREL_BRANCH7 - -- : BFD_RELOC_THUMB_PCREL_BRANCH9 - -- : BFD_RELOC_THUMB_PCREL_BRANCH12 - -- : BFD_RELOC_THUMB_PCREL_BRANCH20 - -- : BFD_RELOC_THUMB_PCREL_BRANCH23 - -- : BFD_RELOC_THUMB_PCREL_BRANCH25 - Thumb 7-, 9-, 12-, 20-, 23-, and 25-bit pc-relative branches. The - lowest bit must be zero and is not stored in the instruction. - Note that the corresponding ELF R_ARM_THM_JUMPnn constant has an - "nn" one smaller in all cases. Note further that BRANCH23 - corresponds to R_ARM_THM_CALL. - - -- : BFD_RELOC_ARM_OFFSET_IMM - 12-bit immediate offset, used in ARM-format ldr and str - instructions. - - -- : BFD_RELOC_ARM_THUMB_OFFSET - 5-bit immediate offset, used in Thumb-format ldr and str - instructions. - - -- : BFD_RELOC_ARM_TARGET1 - Pc-relative or absolute relocation depending on target. Used for - entries in .init_array sections. - - -- : BFD_RELOC_ARM_ROSEGREL32 - Read-only segment base relative address. - - -- : BFD_RELOC_ARM_SBREL32 - Data segment base relative address. - - -- : BFD_RELOC_ARM_TARGET2 - This reloc is used for references to RTTI data from exception - handling tables. The actual definition depends on the target. It - may be a pc-relative or some form of GOT-indirect relocation. - - -- : BFD_RELOC_ARM_PREL31 - 31-bit PC relative address. - - -- : BFD_RELOC_ARM_MOVW - -- : BFD_RELOC_ARM_MOVT - -- : BFD_RELOC_ARM_MOVW_PCREL - -- : BFD_RELOC_ARM_MOVT_PCREL - -- : BFD_RELOC_ARM_THUMB_MOVW - -- : BFD_RELOC_ARM_THUMB_MOVT - -- : BFD_RELOC_ARM_THUMB_MOVW_PCREL - -- : BFD_RELOC_ARM_THUMB_MOVT_PCREL - Low and High halfword relocations for MOVW and MOVT instructions. - - -- : BFD_RELOC_ARM_JUMP_SLOT - -- : BFD_RELOC_ARM_GLOB_DAT - -- : BFD_RELOC_ARM_GOT32 - -- : BFD_RELOC_ARM_PLT32 - -- : BFD_RELOC_ARM_RELATIVE - -- : BFD_RELOC_ARM_GOTOFF - -- : BFD_RELOC_ARM_GOTPC - Relocations for setting up GOTs and PLTs for shared libraries. - - -- : BFD_RELOC_ARM_TLS_GD32 - -- : BFD_RELOC_ARM_TLS_LDO32 - -- : BFD_RELOC_ARM_TLS_LDM32 - -- : BFD_RELOC_ARM_TLS_DTPOFF32 - -- : BFD_RELOC_ARM_TLS_DTPMOD32 - -- : BFD_RELOC_ARM_TLS_TPOFF32 - -- : BFD_RELOC_ARM_TLS_IE32 - -- : BFD_RELOC_ARM_TLS_LE32 - ARM thread-local storage relocations. - - -- : BFD_RELOC_ARM_ALU_PC_G0_NC - -- : BFD_RELOC_ARM_ALU_PC_G0 - -- : BFD_RELOC_ARM_ALU_PC_G1_NC - -- : BFD_RELOC_ARM_ALU_PC_G1 - -- : BFD_RELOC_ARM_ALU_PC_G2 - -- : BFD_RELOC_ARM_LDR_PC_G0 - -- : BFD_RELOC_ARM_LDR_PC_G1 - -- : BFD_RELOC_ARM_LDR_PC_G2 - -- : BFD_RELOC_ARM_LDRS_PC_G0 - -- : BFD_RELOC_ARM_LDRS_PC_G1 - -- : BFD_RELOC_ARM_LDRS_PC_G2 - -- : BFD_RELOC_ARM_LDC_PC_G0 - -- : BFD_RELOC_ARM_LDC_PC_G1 - -- : BFD_RELOC_ARM_LDC_PC_G2 - -- : BFD_RELOC_ARM_ALU_SB_G0_NC - -- : BFD_RELOC_ARM_ALU_SB_G0 - -- : BFD_RELOC_ARM_ALU_SB_G1_NC - -- : BFD_RELOC_ARM_ALU_SB_G1 - -- : BFD_RELOC_ARM_ALU_SB_G2 - -- : BFD_RELOC_ARM_LDR_SB_G0 - -- : BFD_RELOC_ARM_LDR_SB_G1 - -- : BFD_RELOC_ARM_LDR_SB_G2 - -- : BFD_RELOC_ARM_LDRS_SB_G0 - -- : BFD_RELOC_ARM_LDRS_SB_G1 - -- : BFD_RELOC_ARM_LDRS_SB_G2 - -- : BFD_RELOC_ARM_LDC_SB_G0 - -- : BFD_RELOC_ARM_LDC_SB_G1 - -- : BFD_RELOC_ARM_LDC_SB_G2 - ARM group relocations. - - -- : BFD_RELOC_ARM_V4BX - Annotation of BX instructions. - - -- : BFD_RELOC_ARM_IMMEDIATE - -- : BFD_RELOC_ARM_ADRL_IMMEDIATE - -- : BFD_RELOC_ARM_T32_IMMEDIATE - -- : BFD_RELOC_ARM_T32_ADD_IMM - -- : BFD_RELOC_ARM_T32_IMM12 - -- : BFD_RELOC_ARM_T32_ADD_PC12 - -- : BFD_RELOC_ARM_SHIFT_IMM - -- : BFD_RELOC_ARM_SMC - -- : BFD_RELOC_ARM_SWI - -- : BFD_RELOC_ARM_MULTI - -- : BFD_RELOC_ARM_CP_OFF_IMM - -- : BFD_RELOC_ARM_CP_OFF_IMM_S2 - -- : BFD_RELOC_ARM_T32_CP_OFF_IMM - -- : BFD_RELOC_ARM_T32_CP_OFF_IMM_S2 - -- : BFD_RELOC_ARM_ADR_IMM - -- : BFD_RELOC_ARM_LDR_IMM - -- : BFD_RELOC_ARM_LITERAL - -- : BFD_RELOC_ARM_IN_POOL - -- : BFD_RELOC_ARM_OFFSET_IMM8 - -- : BFD_RELOC_ARM_T32_OFFSET_U8 - -- : BFD_RELOC_ARM_T32_OFFSET_IMM - -- : BFD_RELOC_ARM_HWLITERAL - -- : BFD_RELOC_ARM_THUMB_ADD - -- : BFD_RELOC_ARM_THUMB_IMM - -- : BFD_RELOC_ARM_THUMB_SHIFT - These relocs are only used within the ARM assembler. They are not - (at present) written to any object files. - - -- : BFD_RELOC_SH_PCDISP8BY2 - -- : BFD_RELOC_SH_PCDISP12BY2 - -- : BFD_RELOC_SH_IMM3 - -- : BFD_RELOC_SH_IMM3U - -- : BFD_RELOC_SH_DISP12 - -- : BFD_RELOC_SH_DISP12BY2 - -- : BFD_RELOC_SH_DISP12BY4 - -- : BFD_RELOC_SH_DISP12BY8 - -- : BFD_RELOC_SH_DISP20 - -- : BFD_RELOC_SH_DISP20BY8 - -- : BFD_RELOC_SH_IMM4 - -- : BFD_RELOC_SH_IMM4BY2 - -- : BFD_RELOC_SH_IMM4BY4 - -- : BFD_RELOC_SH_IMM8 - -- : BFD_RELOC_SH_IMM8BY2 - -- : BFD_RELOC_SH_IMM8BY4 - -- : BFD_RELOC_SH_PCRELIMM8BY2 - -- : BFD_RELOC_SH_PCRELIMM8BY4 - -- : BFD_RELOC_SH_SWITCH16 - -- : BFD_RELOC_SH_SWITCH32 - -- : BFD_RELOC_SH_USES - -- : BFD_RELOC_SH_COUNT - -- : BFD_RELOC_SH_ALIGN - -- : BFD_RELOC_SH_CODE - -- : BFD_RELOC_SH_DATA - -- : BFD_RELOC_SH_LABEL - -- : BFD_RELOC_SH_LOOP_START - -- : BFD_RELOC_SH_LOOP_END - -- : BFD_RELOC_SH_COPY - -- : BFD_RELOC_SH_GLOB_DAT - -- : BFD_RELOC_SH_JMP_SLOT - -- : BFD_RELOC_SH_RELATIVE - -- : BFD_RELOC_SH_GOTPC - -- : BFD_RELOC_SH_GOT_LOW16 - -- : BFD_RELOC_SH_GOT_MEDLOW16 - -- : BFD_RELOC_SH_GOT_MEDHI16 - -- : BFD_RELOC_SH_GOT_HI16 - -- : BFD_RELOC_SH_GOTPLT_LOW16 - -- : BFD_RELOC_SH_GOTPLT_MEDLOW16 - -- : BFD_RELOC_SH_GOTPLT_MEDHI16 - -- : BFD_RELOC_SH_GOTPLT_HI16 - -- : BFD_RELOC_SH_PLT_LOW16 - -- : BFD_RELOC_SH_PLT_MEDLOW16 - -- : BFD_RELOC_SH_PLT_MEDHI16 - -- : BFD_RELOC_SH_PLT_HI16 - -- : BFD_RELOC_SH_GOTOFF_LOW16 - -- : BFD_RELOC_SH_GOTOFF_MEDLOW16 - -- : BFD_RELOC_SH_GOTOFF_MEDHI16 - -- : BFD_RELOC_SH_GOTOFF_HI16 - -- : BFD_RELOC_SH_GOTPC_LOW16 - -- : BFD_RELOC_SH_GOTPC_MEDLOW16 - -- : BFD_RELOC_SH_GOTPC_MEDHI16 - -- : BFD_RELOC_SH_GOTPC_HI16 - -- : BFD_RELOC_SH_COPY64 - -- : BFD_RELOC_SH_GLOB_DAT64 - -- : BFD_RELOC_SH_JMP_SLOT64 - -- : BFD_RELOC_SH_RELATIVE64 - -- : BFD_RELOC_SH_GOT10BY4 - -- : BFD_RELOC_SH_GOT10BY8 - -- : BFD_RELOC_SH_GOTPLT10BY4 - -- : BFD_RELOC_SH_GOTPLT10BY8 - -- : BFD_RELOC_SH_GOTPLT32 - -- : BFD_RELOC_SH_SHMEDIA_CODE - -- : BFD_RELOC_SH_IMMU5 - -- : BFD_RELOC_SH_IMMS6 - -- : BFD_RELOC_SH_IMMS6BY32 - -- : BFD_RELOC_SH_IMMU6 - -- : BFD_RELOC_SH_IMMS10 - -- : BFD_RELOC_SH_IMMS10BY2 - -- : BFD_RELOC_SH_IMMS10BY4 - -- : BFD_RELOC_SH_IMMS10BY8 - -- : BFD_RELOC_SH_IMMS16 - -- : BFD_RELOC_SH_IMMU16 - -- : BFD_RELOC_SH_IMM_LOW16 - -- : BFD_RELOC_SH_IMM_LOW16_PCREL - -- : BFD_RELOC_SH_IMM_MEDLOW16 - -- : BFD_RELOC_SH_IMM_MEDLOW16_PCREL - -- : BFD_RELOC_SH_IMM_MEDHI16 - -- : BFD_RELOC_SH_IMM_MEDHI16_PCREL - -- : BFD_RELOC_SH_IMM_HI16 - -- : BFD_RELOC_SH_IMM_HI16_PCREL - -- : BFD_RELOC_SH_PT_16 - -- : BFD_RELOC_SH_TLS_GD_32 - -- : BFD_RELOC_SH_TLS_LD_32 - -- : BFD_RELOC_SH_TLS_LDO_32 - -- : BFD_RELOC_SH_TLS_IE_32 - -- : BFD_RELOC_SH_TLS_LE_32 - -- : BFD_RELOC_SH_TLS_DTPMOD32 - -- : BFD_RELOC_SH_TLS_DTPOFF32 - -- : BFD_RELOC_SH_TLS_TPOFF32 - Renesas / SuperH SH relocs. Not all of these appear in object - files. - - -- : BFD_RELOC_ARC_B22_PCREL - ARC Cores relocs. ARC 22 bit pc-relative branch. The lowest two - bits must be zero and are not stored in the instruction. The high - 20 bits are installed in bits 26 through 7 of the instruction. - - -- : BFD_RELOC_ARC_B26 - ARC 26 bit absolute branch. The lowest two bits must be zero and - are not stored in the instruction. The high 24 bits are installed - in bits 23 through 0. - - -- : BFD_RELOC_BFIN_16_IMM - ADI Blackfin 16 bit immediate absolute reloc. - - -- : BFD_RELOC_BFIN_16_HIGH - ADI Blackfin 16 bit immediate absolute reloc higher 16 bits. - - -- : BFD_RELOC_BFIN_4_PCREL - ADI Blackfin 'a' part of LSETUP. - - -- : BFD_RELOC_BFIN_5_PCREL - ADI Blackfin. - - -- : BFD_RELOC_BFIN_16_LOW - ADI Blackfin 16 bit immediate absolute reloc lower 16 bits. - - -- : BFD_RELOC_BFIN_10_PCREL - ADI Blackfin. - - -- : BFD_RELOC_BFIN_11_PCREL - ADI Blackfin 'b' part of LSETUP. - - -- : BFD_RELOC_BFIN_12_PCREL_JUMP - ADI Blackfin. - - -- : BFD_RELOC_BFIN_12_PCREL_JUMP_S - ADI Blackfin Short jump, pcrel. - - -- : BFD_RELOC_BFIN_24_PCREL_CALL_X - ADI Blackfin Call.x not implemented. - - -- : BFD_RELOC_BFIN_24_PCREL_JUMP_L - ADI Blackfin Long Jump pcrel. - - -- : BFD_RELOC_BFIN_GOT17M4 - -- : BFD_RELOC_BFIN_GOTHI - -- : BFD_RELOC_BFIN_GOTLO - -- : BFD_RELOC_BFIN_FUNCDESC - -- : BFD_RELOC_BFIN_FUNCDESC_GOT17M4 - -- : BFD_RELOC_BFIN_FUNCDESC_GOTHI - -- : BFD_RELOC_BFIN_FUNCDESC_GOTLO - -- : BFD_RELOC_BFIN_FUNCDESC_VALUE - -- : BFD_RELOC_BFIN_FUNCDESC_GOTOFF17M4 - -- : BFD_RELOC_BFIN_FUNCDESC_GOTOFFHI - -- : BFD_RELOC_BFIN_FUNCDESC_GOTOFFLO - -- : BFD_RELOC_BFIN_GOTOFF17M4 - -- : BFD_RELOC_BFIN_GOTOFFHI - -- : BFD_RELOC_BFIN_GOTOFFLO - ADI Blackfin FD-PIC relocations. - - -- : BFD_RELOC_BFIN_GOT - ADI Blackfin GOT relocation. - - -- : BFD_RELOC_BFIN_PLTPC - ADI Blackfin PLTPC relocation. - - -- : BFD_ARELOC_BFIN_PUSH - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_CONST - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_ADD - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_SUB - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_MULT - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_DIV - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_MOD - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_LSHIFT - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_RSHIFT - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_AND - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_OR - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_XOR - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_LAND - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_LOR - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_LEN - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_NEG - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_COMP - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_PAGE - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_HWPAGE - ADI Blackfin arithmetic relocation. - - -- : BFD_ARELOC_BFIN_ADDR - ADI Blackfin arithmetic relocation. - - -- : BFD_RELOC_D10V_10_PCREL_R - Mitsubishi D10V relocs. This is a 10-bit reloc with the right 2 - bits assumed to be 0. - - -- : BFD_RELOC_D10V_10_PCREL_L - Mitsubishi D10V relocs. This is a 10-bit reloc with the right 2 - bits assumed to be 0. This is the same as the previous reloc - except it is in the left container, i.e., shifted left 15 bits. - - -- : BFD_RELOC_D10V_18 - This is an 18-bit reloc with the right 2 bits assumed to be 0. - - -- : BFD_RELOC_D10V_18_PCREL - This is an 18-bit reloc with the right 2 bits assumed to be 0. - - -- : BFD_RELOC_D30V_6 - Mitsubishi D30V relocs. This is a 6-bit absolute reloc. - - -- : BFD_RELOC_D30V_9_PCREL - This is a 6-bit pc-relative reloc with the right 3 bits assumed to - be 0. - - -- : BFD_RELOC_D30V_9_PCREL_R - This is a 6-bit pc-relative reloc with the right 3 bits assumed to - be 0. Same as the previous reloc but on the right side of the - container. - - -- : BFD_RELOC_D30V_15 - This is a 12-bit absolute reloc with the right 3 bitsassumed to be - 0. - - -- : BFD_RELOC_D30V_15_PCREL - This is a 12-bit pc-relative reloc with the right 3 bits assumed - to be 0. - - -- : BFD_RELOC_D30V_15_PCREL_R - This is a 12-bit pc-relative reloc with the right 3 bits assumed - to be 0. Same as the previous reloc but on the right side of the - container. - - -- : BFD_RELOC_D30V_21 - This is an 18-bit absolute reloc with the right 3 bits assumed to - be 0. - - -- : BFD_RELOC_D30V_21_PCREL - This is an 18-bit pc-relative reloc with the right 3 bits assumed - to be 0. - - -- : BFD_RELOC_D30V_21_PCREL_R - This is an 18-bit pc-relative reloc with the right 3 bits assumed - to be 0. Same as the previous reloc but on the right side of the - container. - - -- : BFD_RELOC_D30V_32 - This is a 32-bit absolute reloc. - - -- : BFD_RELOC_D30V_32_PCREL - This is a 32-bit pc-relative reloc. - - -- : BFD_RELOC_DLX_HI16_S - DLX relocs - - -- : BFD_RELOC_DLX_LO16 - DLX relocs - - -- : BFD_RELOC_DLX_JMP26 - DLX relocs - - -- : BFD_RELOC_M32C_HI8 - -- : BFD_RELOC_M32C_RL_JUMP - -- : BFD_RELOC_M32C_RL_1ADDR - -- : BFD_RELOC_M32C_RL_2ADDR - Renesas M16C/M32C Relocations. - - -- : BFD_RELOC_M32R_24 - Renesas M32R (formerly Mitsubishi M32R) relocs. This is a 24 bit - absolute address. - - -- : BFD_RELOC_M32R_10_PCREL - This is a 10-bit pc-relative reloc with the right 2 bits assumed - to be 0. - - -- : BFD_RELOC_M32R_18_PCREL - This is an 18-bit reloc with the right 2 bits assumed to be 0. - - -- : BFD_RELOC_M32R_26_PCREL - This is a 26-bit reloc with the right 2 bits assumed to be 0. - - -- : BFD_RELOC_M32R_HI16_ULO - This is a 16-bit reloc containing the high 16 bits of an address - used when the lower 16 bits are treated as unsigned. - - -- : BFD_RELOC_M32R_HI16_SLO - This is a 16-bit reloc containing the high 16 bits of an address - used when the lower 16 bits are treated as signed. - - -- : BFD_RELOC_M32R_LO16 - This is a 16-bit reloc containing the lower 16 bits of an address. - - -- : BFD_RELOC_M32R_SDA16 - This is a 16-bit reloc containing the small data area offset for - use in add3, load, and store instructions. - - -- : BFD_RELOC_M32R_GOT24 - -- : BFD_RELOC_M32R_26_PLTREL - -- : BFD_RELOC_M32R_COPY - -- : BFD_RELOC_M32R_GLOB_DAT - -- : BFD_RELOC_M32R_JMP_SLOT - -- : BFD_RELOC_M32R_RELATIVE - -- : BFD_RELOC_M32R_GOTOFF - -- : BFD_RELOC_M32R_GOTOFF_HI_ULO - -- : BFD_RELOC_M32R_GOTOFF_HI_SLO - -- : BFD_RELOC_M32R_GOTOFF_LO - -- : BFD_RELOC_M32R_GOTPC24 - -- : BFD_RELOC_M32R_GOT16_HI_ULO - -- : BFD_RELOC_M32R_GOT16_HI_SLO - -- : BFD_RELOC_M32R_GOT16_LO - -- : BFD_RELOC_M32R_GOTPC_HI_ULO - -- : BFD_RELOC_M32R_GOTPC_HI_SLO - -- : BFD_RELOC_M32R_GOTPC_LO - For PIC. - - -- : BFD_RELOC_V850_9_PCREL - This is a 9-bit reloc - - -- : BFD_RELOC_V850_22_PCREL - This is a 22-bit reloc - - -- : BFD_RELOC_V850_SDA_16_16_OFFSET - This is a 16 bit offset from the short data area pointer. - - -- : BFD_RELOC_V850_SDA_15_16_OFFSET - This is a 16 bit offset (of which only 15 bits are used) from the - short data area pointer. - - -- : BFD_RELOC_V850_ZDA_16_16_OFFSET - This is a 16 bit offset from the zero data area pointer. - - -- : BFD_RELOC_V850_ZDA_15_16_OFFSET - This is a 16 bit offset (of which only 15 bits are used) from the - zero data area pointer. - - -- : BFD_RELOC_V850_TDA_6_8_OFFSET - This is an 8 bit offset (of which only 6 bits are used) from the - tiny data area pointer. - - -- : BFD_RELOC_V850_TDA_7_8_OFFSET - This is an 8bit offset (of which only 7 bits are used) from the - tiny data area pointer. - - -- : BFD_RELOC_V850_TDA_7_7_OFFSET - This is a 7 bit offset from the tiny data area pointer. - - -- : BFD_RELOC_V850_TDA_16_16_OFFSET - This is a 16 bit offset from the tiny data area pointer. - - -- : BFD_RELOC_V850_TDA_4_5_OFFSET - This is a 5 bit offset (of which only 4 bits are used) from the - tiny data area pointer. - - -- : BFD_RELOC_V850_TDA_4_4_OFFSET - This is a 4 bit offset from the tiny data area pointer. - - -- : BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET - This is a 16 bit offset from the short data area pointer, with the - bits placed non-contiguously in the instruction. - - -- : BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET - This is a 16 bit offset from the zero data area pointer, with the - bits placed non-contiguously in the instruction. - - -- : BFD_RELOC_V850_CALLT_6_7_OFFSET - This is a 6 bit offset from the call table base pointer. - - -- : BFD_RELOC_V850_CALLT_16_16_OFFSET - This is a 16 bit offset from the call table base pointer. - - -- : BFD_RELOC_V850_LONGCALL - Used for relaxing indirect function calls. - - -- : BFD_RELOC_V850_LONGJUMP - Used for relaxing indirect jumps. - - -- : BFD_RELOC_V850_ALIGN - Used to maintain alignment whilst relaxing. - - -- : BFD_RELOC_V850_LO16_SPLIT_OFFSET - This is a variation of BFD_RELOC_LO16 that can be used in v850e - ld.bu instructions. - - -- : BFD_RELOC_MN10300_32_PCREL - This is a 32bit pcrel reloc for the mn10300, offset by two bytes - in the instruction. - - -- : BFD_RELOC_MN10300_16_PCREL - This is a 16bit pcrel reloc for the mn10300, offset by two bytes - in the instruction. - - -- : BFD_RELOC_TIC30_LDP - This is a 8bit DP reloc for the tms320c30, where the most - significant 8 bits of a 24 bit word are placed into the least - significant 8 bits of the opcode. - - -- : BFD_RELOC_TIC54X_PARTLS7 - This is a 7bit reloc for the tms320c54x, where the least - significant 7 bits of a 16 bit word are placed into the least - significant 7 bits of the opcode. - - -- : BFD_RELOC_TIC54X_PARTMS9 - This is a 9bit DP reloc for the tms320c54x, where the most - significant 9 bits of a 16 bit word are placed into the least - significant 9 bits of the opcode. - - -- : BFD_RELOC_TIC54X_23 - This is an extended address 23-bit reloc for the tms320c54x. - - -- : BFD_RELOC_TIC54X_16_OF_23 - This is a 16-bit reloc for the tms320c54x, where the least - significant 16 bits of a 23-bit extended address are placed into - the opcode. - - -- : BFD_RELOC_TIC54X_MS7_OF_23 - This is a reloc for the tms320c54x, where the most significant 7 - bits of a 23-bit extended address are placed into the opcode. - - -- : BFD_RELOC_FR30_48 - This is a 48 bit reloc for the FR30 that stores 32 bits. - - -- : BFD_RELOC_FR30_20 - This is a 32 bit reloc for the FR30 that stores 20 bits split up - into two sections. - - -- : BFD_RELOC_FR30_6_IN_4 - This is a 16 bit reloc for the FR30 that stores a 6 bit word - offset in 4 bits. - - -- : BFD_RELOC_FR30_8_IN_8 - This is a 16 bit reloc for the FR30 that stores an 8 bit byte - offset into 8 bits. - - -- : BFD_RELOC_FR30_9_IN_8 - This is a 16 bit reloc for the FR30 that stores a 9 bit short - offset into 8 bits. - - -- : BFD_RELOC_FR30_10_IN_8 - This is a 16 bit reloc for the FR30 that stores a 10 bit word - offset into 8 bits. - - -- : BFD_RELOC_FR30_9_PCREL - This is a 16 bit reloc for the FR30 that stores a 9 bit pc relative - short offset into 8 bits. - - -- : BFD_RELOC_FR30_12_PCREL - This is a 16 bit reloc for the FR30 that stores a 12 bit pc - relative short offset into 11 bits. - - -- : BFD_RELOC_MCORE_PCREL_IMM8BY4 - -- : BFD_RELOC_MCORE_PCREL_IMM11BY2 - -- : BFD_RELOC_MCORE_PCREL_IMM4BY2 - -- : BFD_RELOC_MCORE_PCREL_32 - -- : BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2 - -- : BFD_RELOC_MCORE_RVA - Motorola Mcore relocations. - - -- : BFD_RELOC_MEP_8 - -- : BFD_RELOC_MEP_16 - -- : BFD_RELOC_MEP_32 - -- : BFD_RELOC_MEP_PCREL8A2 - -- : BFD_RELOC_MEP_PCREL12A2 - -- : BFD_RELOC_MEP_PCREL17A2 - -- : BFD_RELOC_MEP_PCREL24A2 - -- : BFD_RELOC_MEP_PCABS24A2 - -- : BFD_RELOC_MEP_LOW16 - -- : BFD_RELOC_MEP_HI16U - -- : BFD_RELOC_MEP_HI16S - -- : BFD_RELOC_MEP_GPREL - -- : BFD_RELOC_MEP_TPREL - -- : BFD_RELOC_MEP_TPREL7 - -- : BFD_RELOC_MEP_TPREL7A2 - -- : BFD_RELOC_MEP_TPREL7A4 - -- : BFD_RELOC_MEP_UIMM24 - -- : BFD_RELOC_MEP_ADDR24A4 - -- : BFD_RELOC_MEP_GNU_VTINHERIT - -- : BFD_RELOC_MEP_GNU_VTENTRY - Toshiba Media Processor Relocations. - - -- : BFD_RELOC_MMIX_GETA - -- : BFD_RELOC_MMIX_GETA_1 - -- : BFD_RELOC_MMIX_GETA_2 - -- : BFD_RELOC_MMIX_GETA_3 - These are relocations for the GETA instruction. - - -- : BFD_RELOC_MMIX_CBRANCH - -- : BFD_RELOC_MMIX_CBRANCH_J - -- : BFD_RELOC_MMIX_CBRANCH_1 - -- : BFD_RELOC_MMIX_CBRANCH_2 - -- : BFD_RELOC_MMIX_CBRANCH_3 - These are relocations for a conditional branch instruction. - - -- : BFD_RELOC_MMIX_PUSHJ - -- : BFD_RELOC_MMIX_PUSHJ_1 - -- : BFD_RELOC_MMIX_PUSHJ_2 - -- : BFD_RELOC_MMIX_PUSHJ_3 - -- : BFD_RELOC_MMIX_PUSHJ_STUBBABLE - These are relocations for the PUSHJ instruction. - - -- : BFD_RELOC_MMIX_JMP - -- : BFD_RELOC_MMIX_JMP_1 - -- : BFD_RELOC_MMIX_JMP_2 - -- : BFD_RELOC_MMIX_JMP_3 - These are relocations for the JMP instruction. - - -- : BFD_RELOC_MMIX_ADDR19 - This is a relocation for a relative address as in a GETA - instruction or a branch. - - -- : BFD_RELOC_MMIX_ADDR27 - This is a relocation for a relative address as in a JMP - instruction. - - -- : BFD_RELOC_MMIX_REG_OR_BYTE - This is a relocation for an instruction field that may be a general - register or a value 0..255. - - -- : BFD_RELOC_MMIX_REG - This is a relocation for an instruction field that may be a general - register. - - -- : BFD_RELOC_MMIX_BASE_PLUS_OFFSET - This is a relocation for two instruction fields holding a register - and an offset, the equivalent of the relocation. - - -- : BFD_RELOC_MMIX_LOCAL - This relocation is an assertion that the expression is not - allocated as a global register. It does not modify contents. - - -- : BFD_RELOC_AVR_7_PCREL - This is a 16 bit reloc for the AVR that stores 8 bit pc relative - short offset into 7 bits. - - -- : BFD_RELOC_AVR_13_PCREL - This is a 16 bit reloc for the AVR that stores 13 bit pc relative - short offset into 12 bits. - - -- : BFD_RELOC_AVR_16_PM - This is a 16 bit reloc for the AVR that stores 17 bit value - (usually program memory address) into 16 bits. - - -- : BFD_RELOC_AVR_LO8_LDI - This is a 16 bit reloc for the AVR that stores 8 bit value (usually - data memory address) into 8 bit immediate value of LDI insn. - - -- : BFD_RELOC_AVR_HI8_LDI - This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 - bit of data memory address) into 8 bit immediate value of LDI insn. - - -- : BFD_RELOC_AVR_HH8_LDI - This is a 16 bit reloc for the AVR that stores 8 bit value (most - high 8 bit of program memory address) into 8 bit immediate value - of LDI insn. - - -- : BFD_RELOC_AVR_MS8_LDI - This is a 16 bit reloc for the AVR that stores 8 bit value (most - high 8 bit of 32 bit value) into 8 bit immediate value of LDI insn. - - -- : BFD_RELOC_AVR_LO8_LDI_NEG - This is a 16 bit reloc for the AVR that stores negated 8 bit value - (usually data memory address) into 8 bit immediate value of SUBI - insn. - - -- : BFD_RELOC_AVR_HI8_LDI_NEG - This is a 16 bit reloc for the AVR that stores negated 8 bit value - (high 8 bit of data memory address) into 8 bit immediate value of - SUBI insn. - - -- : BFD_RELOC_AVR_HH8_LDI_NEG - This is a 16 bit reloc for the AVR that stores negated 8 bit value - (most high 8 bit of program memory address) into 8 bit immediate - value of LDI or SUBI insn. - - -- : BFD_RELOC_AVR_MS8_LDI_NEG - This is a 16 bit reloc for the AVR that stores negated 8 bit value - (msb of 32 bit value) into 8 bit immediate value of LDI insn. - - -- : BFD_RELOC_AVR_LO8_LDI_PM - This is a 16 bit reloc for the AVR that stores 8 bit value (usually - command address) into 8 bit immediate value of LDI insn. - - -- : BFD_RELOC_AVR_LO8_LDI_GS - This is a 16 bit reloc for the AVR that stores 8 bit value - (command address) into 8 bit immediate value of LDI insn. If the - address is beyond the 128k boundary, the linker inserts a jump - stub for this reloc in the lower 128k. - - -- : BFD_RELOC_AVR_HI8_LDI_PM - This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 - bit of command address) into 8 bit immediate value of LDI insn. - - -- : BFD_RELOC_AVR_HI8_LDI_GS - This is a 16 bit reloc for the AVR that stores 8 bit value (high 8 - bit of command address) into 8 bit immediate value of LDI insn. - If the address is beyond the 128k boundary, the linker inserts a - jump stub for this reloc below 128k. - - -- : BFD_RELOC_AVR_HH8_LDI_PM - This is a 16 bit reloc for the AVR that stores 8 bit value (most - high 8 bit of command address) into 8 bit immediate value of LDI - insn. - - -- : BFD_RELOC_AVR_LO8_LDI_PM_NEG - This is a 16 bit reloc for the AVR that stores negated 8 bit value - (usually command address) into 8 bit immediate value of SUBI insn. - - -- : BFD_RELOC_AVR_HI8_LDI_PM_NEG - This is a 16 bit reloc for the AVR that stores negated 8 bit value - (high 8 bit of 16 bit command address) into 8 bit immediate value - of SUBI insn. - - -- : BFD_RELOC_AVR_HH8_LDI_PM_NEG - This is a 16 bit reloc for the AVR that stores negated 8 bit value - (high 6 bit of 22 bit command address) into 8 bit immediate value - of SUBI insn. - - -- : BFD_RELOC_AVR_CALL - This is a 32 bit reloc for the AVR that stores 23 bit value into - 22 bits. - - -- : BFD_RELOC_AVR_LDI - This is a 16 bit reloc for the AVR that stores all needed bits for - absolute addressing with ldi with overflow check to linktime - - -- : BFD_RELOC_AVR_6 - This is a 6 bit reloc for the AVR that stores offset for ldd/std - instructions - - -- : BFD_RELOC_AVR_6_ADIW - This is a 6 bit reloc for the AVR that stores offset for adiw/sbiw - instructions - - -- : BFD_RELOC_390_12 - Direct 12 bit. - - -- : BFD_RELOC_390_GOT12 - 12 bit GOT offset. - - -- : BFD_RELOC_390_PLT32 - 32 bit PC relative PLT address. - - -- : BFD_RELOC_390_COPY - Copy symbol at runtime. - - -- : BFD_RELOC_390_GLOB_DAT - Create GOT entry. - - -- : BFD_RELOC_390_JMP_SLOT - Create PLT entry. - - -- : BFD_RELOC_390_RELATIVE - Adjust by program base. - - -- : BFD_RELOC_390_GOTPC - 32 bit PC relative offset to GOT. - - -- : BFD_RELOC_390_GOT16 - 16 bit GOT offset. - - -- : BFD_RELOC_390_PC16DBL - PC relative 16 bit shifted by 1. - - -- : BFD_RELOC_390_PLT16DBL - 16 bit PC rel. PLT shifted by 1. - - -- : BFD_RELOC_390_PC32DBL - PC relative 32 bit shifted by 1. - - -- : BFD_RELOC_390_PLT32DBL - 32 bit PC rel. PLT shifted by 1. - - -- : BFD_RELOC_390_GOTPCDBL - 32 bit PC rel. GOT shifted by 1. - - -- : BFD_RELOC_390_GOT64 - 64 bit GOT offset. - - -- : BFD_RELOC_390_PLT64 - 64 bit PC relative PLT address. - - -- : BFD_RELOC_390_GOTENT - 32 bit rel. offset to GOT entry. - - -- : BFD_RELOC_390_GOTOFF64 - 64 bit offset to GOT. - - -- : BFD_RELOC_390_GOTPLT12 - 12-bit offset to symbol-entry within GOT, with PLT handling. - - -- : BFD_RELOC_390_GOTPLT16 - 16-bit offset to symbol-entry within GOT, with PLT handling. - - -- : BFD_RELOC_390_GOTPLT32 - 32-bit offset to symbol-entry within GOT, with PLT handling. - - -- : BFD_RELOC_390_GOTPLT64 - 64-bit offset to symbol-entry within GOT, with PLT handling. - - -- : BFD_RELOC_390_GOTPLTENT - 32-bit rel. offset to symbol-entry within GOT, with PLT handling. - - -- : BFD_RELOC_390_PLTOFF16 - 16-bit rel. offset from the GOT to a PLT entry. - - -- : BFD_RELOC_390_PLTOFF32 - 32-bit rel. offset from the GOT to a PLT entry. - - -- : BFD_RELOC_390_PLTOFF64 - 64-bit rel. offset from the GOT to a PLT entry. - - -- : BFD_RELOC_390_TLS_LOAD - -- : BFD_RELOC_390_TLS_GDCALL - -- : BFD_RELOC_390_TLS_LDCALL - -- : BFD_RELOC_390_TLS_GD32 - -- : BFD_RELOC_390_TLS_GD64 - -- : BFD_RELOC_390_TLS_GOTIE12 - -- : BFD_RELOC_390_TLS_GOTIE32 - -- : BFD_RELOC_390_TLS_GOTIE64 - -- : BFD_RELOC_390_TLS_LDM32 - -- : BFD_RELOC_390_TLS_LDM64 - -- : BFD_RELOC_390_TLS_IE32 - -- : BFD_RELOC_390_TLS_IE64 - -- : BFD_RELOC_390_TLS_IEENT - -- : BFD_RELOC_390_TLS_LE32 - -- : BFD_RELOC_390_TLS_LE64 - -- : BFD_RELOC_390_TLS_LDO32 - -- : BFD_RELOC_390_TLS_LDO64 - -- : BFD_RELOC_390_TLS_DTPMOD - -- : BFD_RELOC_390_TLS_DTPOFF - -- : BFD_RELOC_390_TLS_TPOFF - s390 tls relocations. - - -- : BFD_RELOC_390_20 - -- : BFD_RELOC_390_GOT20 - -- : BFD_RELOC_390_GOTPLT20 - -- : BFD_RELOC_390_TLS_GOTIE20 - Long displacement extension. - - -- : BFD_RELOC_SCORE_GPREL15 - Score relocations Low 16 bit for load/store - - -- : BFD_RELOC_SCORE_DUMMY2 - -- : BFD_RELOC_SCORE_JMP - This is a 24-bit reloc with the right 1 bit assumed to be 0 - - -- : BFD_RELOC_SCORE_BRANCH - This is a 19-bit reloc with the right 1 bit assumed to be 0 - - -- : BFD_RELOC_SCORE_IMM30 - This is a 32-bit reloc for 48-bit instructions. - - -- : BFD_RELOC_SCORE_IMM32 - This is a 32-bit reloc for 48-bit instructions. - - -- : BFD_RELOC_SCORE16_JMP - This is a 11-bit reloc with the right 1 bit assumed to be 0 - - -- : BFD_RELOC_SCORE16_BRANCH - This is a 8-bit reloc with the right 1 bit assumed to be 0 - - -- : BFD_RELOC_SCORE_BCMP - This is a 9-bit reloc with the right 1 bit assumed to be 0 - - -- : BFD_RELOC_SCORE_GOT15 - -- : BFD_RELOC_SCORE_GOT_LO16 - -- : BFD_RELOC_SCORE_CALL15 - -- : BFD_RELOC_SCORE_DUMMY_HI16 - Undocumented Score relocs - - -- : BFD_RELOC_IP2K_FR9 - Scenix IP2K - 9-bit register number / data address - - -- : BFD_RELOC_IP2K_BANK - Scenix IP2K - 4-bit register/data bank number - - -- : BFD_RELOC_IP2K_ADDR16CJP - Scenix IP2K - low 13 bits of instruction word address - - -- : BFD_RELOC_IP2K_PAGE3 - Scenix IP2K - high 3 bits of instruction word address - - -- : BFD_RELOC_IP2K_LO8DATA - -- : BFD_RELOC_IP2K_HI8DATA - -- : BFD_RELOC_IP2K_EX8DATA - Scenix IP2K - ext/low/high 8 bits of data address - - -- : BFD_RELOC_IP2K_LO8INSN - -- : BFD_RELOC_IP2K_HI8INSN - Scenix IP2K - low/high 8 bits of instruction word address - - -- : BFD_RELOC_IP2K_PC_SKIP - Scenix IP2K - even/odd PC modifier to modify snb pcl.0 - - -- : BFD_RELOC_IP2K_TEXT - Scenix IP2K - 16 bit word address in text section. - - -- : BFD_RELOC_IP2K_FR_OFFSET - Scenix IP2K - 7-bit sp or dp offset - - -- : BFD_RELOC_VPE4KMATH_DATA - -- : BFD_RELOC_VPE4KMATH_INSN - Scenix VPE4K coprocessor - data/insn-space addressing - - -- : BFD_RELOC_VTABLE_INHERIT - -- : BFD_RELOC_VTABLE_ENTRY - These two relocations are used by the linker to determine which of - the entries in a C++ virtual function table are actually used. - When the -gc-sections option is given, the linker will zero out - the entries that are not used, so that the code for those - functions need not be included in the output. - - VTABLE_INHERIT is a zero-space relocation used to describe to the - linker the inheritance tree of a C++ virtual function table. The - relocation's symbol should be the parent class' vtable, and the - relocation should be located at the child vtable. - - VTABLE_ENTRY is a zero-space relocation that describes the use of a - virtual function table entry. The reloc's symbol should refer to - the table of the class mentioned in the code. Off of that base, - an offset describes the entry that is being used. For Rela hosts, - this offset is stored in the reloc's addend. For Rel hosts, we - are forced to put this offset in the reloc's section offset. - - -- : BFD_RELOC_IA64_IMM14 - -- : BFD_RELOC_IA64_IMM22 - -- : BFD_RELOC_IA64_IMM64 - -- : BFD_RELOC_IA64_DIR32MSB - -- : BFD_RELOC_IA64_DIR32LSB - -- : BFD_RELOC_IA64_DIR64MSB - -- : BFD_RELOC_IA64_DIR64LSB - -- : BFD_RELOC_IA64_GPREL22 - -- : BFD_RELOC_IA64_GPREL64I - -- : BFD_RELOC_IA64_GPREL32MSB - -- : BFD_RELOC_IA64_GPREL32LSB - -- : BFD_RELOC_IA64_GPREL64MSB - -- : BFD_RELOC_IA64_GPREL64LSB - -- : BFD_RELOC_IA64_LTOFF22 - -- : BFD_RELOC_IA64_LTOFF64I - -- : BFD_RELOC_IA64_PLTOFF22 - -- : BFD_RELOC_IA64_PLTOFF64I - -- : BFD_RELOC_IA64_PLTOFF64MSB - -- : BFD_RELOC_IA64_PLTOFF64LSB - -- : BFD_RELOC_IA64_FPTR64I - -- : BFD_RELOC_IA64_FPTR32MSB - -- : BFD_RELOC_IA64_FPTR32LSB - -- : BFD_RELOC_IA64_FPTR64MSB - -- : BFD_RELOC_IA64_FPTR64LSB - -- : BFD_RELOC_IA64_PCREL21B - -- : BFD_RELOC_IA64_PCREL21BI - -- : BFD_RELOC_IA64_PCREL21M - -- : BFD_RELOC_IA64_PCREL21F - -- : BFD_RELOC_IA64_PCREL22 - -- : BFD_RELOC_IA64_PCREL60B - -- : BFD_RELOC_IA64_PCREL64I - -- : BFD_RELOC_IA64_PCREL32MSB - -- : BFD_RELOC_IA64_PCREL32LSB - -- : BFD_RELOC_IA64_PCREL64MSB - -- : BFD_RELOC_IA64_PCREL64LSB - -- : BFD_RELOC_IA64_LTOFF_FPTR22 - -- : BFD_RELOC_IA64_LTOFF_FPTR64I - -- : BFD_RELOC_IA64_LTOFF_FPTR32MSB - -- : BFD_RELOC_IA64_LTOFF_FPTR32LSB - -- : BFD_RELOC_IA64_LTOFF_FPTR64MSB - -- : BFD_RELOC_IA64_LTOFF_FPTR64LSB - -- : BFD_RELOC_IA64_SEGREL32MSB - -- : BFD_RELOC_IA64_SEGREL32LSB - -- : BFD_RELOC_IA64_SEGREL64MSB - -- : BFD_RELOC_IA64_SEGREL64LSB - -- : BFD_RELOC_IA64_SECREL32MSB - -- : BFD_RELOC_IA64_SECREL32LSB - -- : BFD_RELOC_IA64_SECREL64MSB - -- : BFD_RELOC_IA64_SECREL64LSB - -- : BFD_RELOC_IA64_REL32MSB - -- : BFD_RELOC_IA64_REL32LSB - -- : BFD_RELOC_IA64_REL64MSB - -- : BFD_RELOC_IA64_REL64LSB - -- : BFD_RELOC_IA64_LTV32MSB - -- : BFD_RELOC_IA64_LTV32LSB - -- : BFD_RELOC_IA64_LTV64MSB - -- : BFD_RELOC_IA64_LTV64LSB - -- : BFD_RELOC_IA64_IPLTMSB - -- : BFD_RELOC_IA64_IPLTLSB - -- : BFD_RELOC_IA64_COPY - -- : BFD_RELOC_IA64_LTOFF22X - -- : BFD_RELOC_IA64_LDXMOV - -- : BFD_RELOC_IA64_TPREL14 - -- : BFD_RELOC_IA64_TPREL22 - -- : BFD_RELOC_IA64_TPREL64I - -- : BFD_RELOC_IA64_TPREL64MSB - -- : BFD_RELOC_IA64_TPREL64LSB - -- : BFD_RELOC_IA64_LTOFF_TPREL22 - -- : BFD_RELOC_IA64_DTPMOD64MSB - -- : BFD_RELOC_IA64_DTPMOD64LSB - -- : BFD_RELOC_IA64_LTOFF_DTPMOD22 - -- : BFD_RELOC_IA64_DTPREL14 - -- : BFD_RELOC_IA64_DTPREL22 - -- : BFD_RELOC_IA64_DTPREL64I - -- : BFD_RELOC_IA64_DTPREL32MSB - -- : BFD_RELOC_IA64_DTPREL32LSB - -- : BFD_RELOC_IA64_DTPREL64MSB - -- : BFD_RELOC_IA64_DTPREL64LSB - -- : BFD_RELOC_IA64_LTOFF_DTPREL22 - Intel IA64 Relocations. - - -- : BFD_RELOC_M68HC11_HI8 - Motorola 68HC11 reloc. This is the 8 bit high part of an absolute - address. - - -- : BFD_RELOC_M68HC11_LO8 - Motorola 68HC11 reloc. This is the 8 bit low part of an absolute - address. - - -- : BFD_RELOC_M68HC11_3B - Motorola 68HC11 reloc. This is the 3 bit of a value. - - -- : BFD_RELOC_M68HC11_RL_JUMP - Motorola 68HC11 reloc. This reloc marks the beginning of a - jump/call instruction. It is used for linker relaxation to - correctly identify beginning of instruction and change some - branches to use PC-relative addressing mode. - - -- : BFD_RELOC_M68HC11_RL_GROUP - Motorola 68HC11 reloc. This reloc marks a group of several - instructions that gcc generates and for which the linker - relaxation pass can modify and/or remove some of them. - - -- : BFD_RELOC_M68HC11_LO16 - Motorola 68HC11 reloc. This is the 16-bit lower part of an - address. It is used for 'call' instruction to specify the symbol - address without any special transformation (due to memory bank - window). - - -- : BFD_RELOC_M68HC11_PAGE - Motorola 68HC11 reloc. This is a 8-bit reloc that specifies the - page number of an address. It is used by 'call' instruction to - specify the page number of the symbol. - - -- : BFD_RELOC_M68HC11_24 - Motorola 68HC11 reloc. This is a 24-bit reloc that represents the - address with a 16-bit value and a 8-bit page number. The symbol - address is transformed to follow the 16K memory bank of 68HC12 - (seen as mapped in the window). - - -- : BFD_RELOC_M68HC12_5B - Motorola 68HC12 reloc. This is the 5 bits of a value. - - -- : BFD_RELOC_16C_NUM08 - -- : BFD_RELOC_16C_NUM08_C - -- : BFD_RELOC_16C_NUM16 - -- : BFD_RELOC_16C_NUM16_C - -- : BFD_RELOC_16C_NUM32 - -- : BFD_RELOC_16C_NUM32_C - -- : BFD_RELOC_16C_DISP04 - -- : BFD_RELOC_16C_DISP04_C - -- : BFD_RELOC_16C_DISP08 - -- : BFD_RELOC_16C_DISP08_C - -- : BFD_RELOC_16C_DISP16 - -- : BFD_RELOC_16C_DISP16_C - -- : BFD_RELOC_16C_DISP24 - -- : BFD_RELOC_16C_DISP24_C - -- : BFD_RELOC_16C_DISP24a - -- : BFD_RELOC_16C_DISP24a_C - -- : BFD_RELOC_16C_REG04 - -- : BFD_RELOC_16C_REG04_C - -- : BFD_RELOC_16C_REG04a - -- : BFD_RELOC_16C_REG04a_C - -- : BFD_RELOC_16C_REG14 - -- : BFD_RELOC_16C_REG14_C - -- : BFD_RELOC_16C_REG16 - -- : BFD_RELOC_16C_REG16_C - -- : BFD_RELOC_16C_REG20 - -- : BFD_RELOC_16C_REG20_C - -- : BFD_RELOC_16C_ABS20 - -- : BFD_RELOC_16C_ABS20_C - -- : BFD_RELOC_16C_ABS24 - -- : BFD_RELOC_16C_ABS24_C - -- : BFD_RELOC_16C_IMM04 - -- : BFD_RELOC_16C_IMM04_C - -- : BFD_RELOC_16C_IMM16 - -- : BFD_RELOC_16C_IMM16_C - -- : BFD_RELOC_16C_IMM20 - -- : BFD_RELOC_16C_IMM20_C - -- : BFD_RELOC_16C_IMM24 - -- : BFD_RELOC_16C_IMM24_C - -- : BFD_RELOC_16C_IMM32 - -- : BFD_RELOC_16C_IMM32_C - NS CR16C Relocations. - - -- : BFD_RELOC_CR16_NUM8 - -- : BFD_RELOC_CR16_NUM16 - -- : BFD_RELOC_CR16_NUM32 - -- : BFD_RELOC_CR16_NUM32a - -- : BFD_RELOC_CR16_REGREL0 - -- : BFD_RELOC_CR16_REGREL4 - -- : BFD_RELOC_CR16_REGREL4a - -- : BFD_RELOC_CR16_REGREL14 - -- : BFD_RELOC_CR16_REGREL14a - -- : BFD_RELOC_CR16_REGREL16 - -- : BFD_RELOC_CR16_REGREL20 - -- : BFD_RELOC_CR16_REGREL20a - -- : BFD_RELOC_CR16_ABS20 - -- : BFD_RELOC_CR16_ABS24 - -- : BFD_RELOC_CR16_IMM4 - -- : BFD_RELOC_CR16_IMM8 - -- : BFD_RELOC_CR16_IMM16 - -- : BFD_RELOC_CR16_IMM20 - -- : BFD_RELOC_CR16_IMM24 - -- : BFD_RELOC_CR16_IMM32 - -- : BFD_RELOC_CR16_IMM32a - -- : BFD_RELOC_CR16_DISP4 - -- : BFD_RELOC_CR16_DISP8 - -- : BFD_RELOC_CR16_DISP16 - -- : BFD_RELOC_CR16_DISP20 - -- : BFD_RELOC_CR16_DISP24 - -- : BFD_RELOC_CR16_DISP24a - -- : BFD_RELOC_CR16_SWITCH8 - -- : BFD_RELOC_CR16_SWITCH16 - -- : BFD_RELOC_CR16_SWITCH32 - -- : BFD_RELOC_CR16_GOT_REGREL20 - -- : BFD_RELOC_CR16_GOTC_REGREL20 - -- : BFD_RELOC_CR16_GLOB_DAT - NS CR16 Relocations. - - -- : BFD_RELOC_CRX_REL4 - -- : BFD_RELOC_CRX_REL8 - -- : BFD_RELOC_CRX_REL8_CMP - -- : BFD_RELOC_CRX_REL16 - -- : BFD_RELOC_CRX_REL24 - -- : BFD_RELOC_CRX_REL32 - -- : BFD_RELOC_CRX_REGREL12 - -- : BFD_RELOC_CRX_REGREL22 - -- : BFD_RELOC_CRX_REGREL28 - -- : BFD_RELOC_CRX_REGREL32 - -- : BFD_RELOC_CRX_ABS16 - -- : BFD_RELOC_CRX_ABS32 - -- : BFD_RELOC_CRX_NUM8 - -- : BFD_RELOC_CRX_NUM16 - -- : BFD_RELOC_CRX_NUM32 - -- : BFD_RELOC_CRX_IMM16 - -- : BFD_RELOC_CRX_IMM32 - -- : BFD_RELOC_CRX_SWITCH8 - -- : BFD_RELOC_CRX_SWITCH16 - -- : BFD_RELOC_CRX_SWITCH32 - NS CRX Relocations. - - -- : BFD_RELOC_CRIS_BDISP8 - -- : BFD_RELOC_CRIS_UNSIGNED_5 - -- : BFD_RELOC_CRIS_SIGNED_6 - -- : BFD_RELOC_CRIS_UNSIGNED_6 - -- : BFD_RELOC_CRIS_SIGNED_8 - -- : BFD_RELOC_CRIS_UNSIGNED_8 - -- : BFD_RELOC_CRIS_SIGNED_16 - -- : BFD_RELOC_CRIS_UNSIGNED_16 - -- : BFD_RELOC_CRIS_LAPCQ_OFFSET - -- : BFD_RELOC_CRIS_UNSIGNED_4 - These relocs are only used within the CRIS assembler. They are not - (at present) written to any object files. - - -- : BFD_RELOC_CRIS_COPY - -- : BFD_RELOC_CRIS_GLOB_DAT - -- : BFD_RELOC_CRIS_JUMP_SLOT - -- : BFD_RELOC_CRIS_RELATIVE - Relocs used in ELF shared libraries for CRIS. - - -- : BFD_RELOC_CRIS_32_GOT - 32-bit offset to symbol-entry within GOT. - - -- : BFD_RELOC_CRIS_16_GOT - 16-bit offset to symbol-entry within GOT. - - -- : BFD_RELOC_CRIS_32_GOTPLT - 32-bit offset to symbol-entry within GOT, with PLT handling. - - -- : BFD_RELOC_CRIS_16_GOTPLT - 16-bit offset to symbol-entry within GOT, with PLT handling. - - -- : BFD_RELOC_CRIS_32_GOTREL - 32-bit offset to symbol, relative to GOT. - - -- : BFD_RELOC_CRIS_32_PLT_GOTREL - 32-bit offset to symbol with PLT entry, relative to GOT. - - -- : BFD_RELOC_CRIS_32_PLT_PCREL - 32-bit offset to symbol with PLT entry, relative to this - relocation. - - -- : BFD_RELOC_CRIS_32_GOT_GD - -- : BFD_RELOC_CRIS_16_GOT_GD - -- : BFD_RELOC_CRIS_32_GD - -- : BFD_RELOC_CRIS_DTP - -- : BFD_RELOC_CRIS_32_DTPREL - -- : BFD_RELOC_CRIS_16_DTPREL - -- : BFD_RELOC_CRIS_32_GOT_TPREL - -- : BFD_RELOC_CRIS_16_GOT_TPREL - -- : BFD_RELOC_CRIS_32_TPREL - -- : BFD_RELOC_CRIS_16_TPREL - -- : BFD_RELOC_CRIS_DTPMOD - -- : BFD_RELOC_CRIS_32_IE - Relocs used in TLS code for CRIS. - - -- : BFD_RELOC_860_COPY - -- : BFD_RELOC_860_GLOB_DAT - -- : BFD_RELOC_860_JUMP_SLOT - -- : BFD_RELOC_860_RELATIVE - -- : BFD_RELOC_860_PC26 - -- : BFD_RELOC_860_PLT26 - -- : BFD_RELOC_860_PC16 - -- : BFD_RELOC_860_LOW0 - -- : BFD_RELOC_860_SPLIT0 - -- : BFD_RELOC_860_LOW1 - -- : BFD_RELOC_860_SPLIT1 - -- : BFD_RELOC_860_LOW2 - -- : BFD_RELOC_860_SPLIT2 - -- : BFD_RELOC_860_LOW3 - -- : BFD_RELOC_860_LOGOT0 - -- : BFD_RELOC_860_SPGOT0 - -- : BFD_RELOC_860_LOGOT1 - -- : BFD_RELOC_860_SPGOT1 - -- : BFD_RELOC_860_LOGOTOFF0 - -- : BFD_RELOC_860_SPGOTOFF0 - -- : BFD_RELOC_860_LOGOTOFF1 - -- : BFD_RELOC_860_SPGOTOFF1 - -- : BFD_RELOC_860_LOGOTOFF2 - -- : BFD_RELOC_860_LOGOTOFF3 - -- : BFD_RELOC_860_LOPC - -- : BFD_RELOC_860_HIGHADJ - -- : BFD_RELOC_860_HAGOT - -- : BFD_RELOC_860_HAGOTOFF - -- : BFD_RELOC_860_HAPC - -- : BFD_RELOC_860_HIGH - -- : BFD_RELOC_860_HIGOT - -- : BFD_RELOC_860_HIGOTOFF - Intel i860 Relocations. - - -- : BFD_RELOC_OPENRISC_ABS_26 - -- : BFD_RELOC_OPENRISC_REL_26 - OpenRISC Relocations. - - -- : BFD_RELOC_H8_DIR16A8 - -- : BFD_RELOC_H8_DIR16R8 - -- : BFD_RELOC_H8_DIR24A8 - -- : BFD_RELOC_H8_DIR24R8 - -- : BFD_RELOC_H8_DIR32A16 - H8 elf Relocations. - - -- : BFD_RELOC_XSTORMY16_REL_12 - -- : BFD_RELOC_XSTORMY16_12 - -- : BFD_RELOC_XSTORMY16_24 - -- : BFD_RELOC_XSTORMY16_FPTR16 - Sony Xstormy16 Relocations. - - -- : BFD_RELOC_RELC - Self-describing complex relocations. - - -- : BFD_RELOC_XC16X_PAG - -- : BFD_RELOC_XC16X_POF - -- : BFD_RELOC_XC16X_SEG - -- : BFD_RELOC_XC16X_SOF - Infineon Relocations. - - -- : BFD_RELOC_VAX_GLOB_DAT - -- : BFD_RELOC_VAX_JMP_SLOT - -- : BFD_RELOC_VAX_RELATIVE - Relocations used by VAX ELF. - - -- : BFD_RELOC_MT_PC16 - Morpho MT - 16 bit immediate relocation. - - -- : BFD_RELOC_MT_HI16 - Morpho MT - Hi 16 bits of an address. - - -- : BFD_RELOC_MT_LO16 - Morpho MT - Low 16 bits of an address. - - -- : BFD_RELOC_MT_GNU_VTINHERIT - Morpho MT - Used to tell the linker which vtable entries are used. - - -- : BFD_RELOC_MT_GNU_VTENTRY - Morpho MT - Used to tell the linker which vtable entries are used. - - -- : BFD_RELOC_MT_PCINSN8 - Morpho MT - 8 bit immediate relocation. - - -- : BFD_RELOC_MSP430_10_PCREL - -- : BFD_RELOC_MSP430_16_PCREL - -- : BFD_RELOC_MSP430_16 - -- : BFD_RELOC_MSP430_16_PCREL_BYTE - -- : BFD_RELOC_MSP430_16_BYTE - -- : BFD_RELOC_MSP430_2X_PCREL - -- : BFD_RELOC_MSP430_RL_PCREL - msp430 specific relocation codes - - -- : BFD_RELOC_IQ2000_OFFSET_16 - -- : BFD_RELOC_IQ2000_OFFSET_21 - -- : BFD_RELOC_IQ2000_UHI16 - IQ2000 Relocations. - - -- : BFD_RELOC_XTENSA_RTLD - Special Xtensa relocation used only by PLT entries in ELF shared - objects to indicate that the runtime linker should set the value - to one of its own internal functions or data structures. - - -- : BFD_RELOC_XTENSA_GLOB_DAT - -- : BFD_RELOC_XTENSA_JMP_SLOT - -- : BFD_RELOC_XTENSA_RELATIVE - Xtensa relocations for ELF shared objects. - - -- : BFD_RELOC_XTENSA_PLT - Xtensa relocation used in ELF object files for symbols that may - require PLT entries. Otherwise, this is just a generic 32-bit - relocation. - - -- : BFD_RELOC_XTENSA_DIFF8 - -- : BFD_RELOC_XTENSA_DIFF16 - -- : BFD_RELOC_XTENSA_DIFF32 - Xtensa relocations to mark the difference of two local symbols. - These are only needed to support linker relaxation and can be - ignored when not relaxing. The field is set to the value of the - difference assuming no relaxation. The relocation encodes the - position of the first symbol so the linker can determine whether - to adjust the field value. - - -- : BFD_RELOC_XTENSA_SLOT0_OP - -- : BFD_RELOC_XTENSA_SLOT1_OP - -- : BFD_RELOC_XTENSA_SLOT2_OP - -- : BFD_RELOC_XTENSA_SLOT3_OP - -- : BFD_RELOC_XTENSA_SLOT4_OP - -- : BFD_RELOC_XTENSA_SLOT5_OP - -- : BFD_RELOC_XTENSA_SLOT6_OP - -- : BFD_RELOC_XTENSA_SLOT7_OP - -- : BFD_RELOC_XTENSA_SLOT8_OP - -- : BFD_RELOC_XTENSA_SLOT9_OP - -- : BFD_RELOC_XTENSA_SLOT10_OP - -- : BFD_RELOC_XTENSA_SLOT11_OP - -- : BFD_RELOC_XTENSA_SLOT12_OP - -- : BFD_RELOC_XTENSA_SLOT13_OP - -- : BFD_RELOC_XTENSA_SLOT14_OP - Generic Xtensa relocations for instruction operands. Only the slot - number is encoded in the relocation. The relocation applies to the - last PC-relative immediate operand, or if there are no PC-relative - immediates, to the last immediate operand. - - -- : BFD_RELOC_XTENSA_SLOT0_ALT - -- : BFD_RELOC_XTENSA_SLOT1_ALT - -- : BFD_RELOC_XTENSA_SLOT2_ALT - -- : BFD_RELOC_XTENSA_SLOT3_ALT - -- : BFD_RELOC_XTENSA_SLOT4_ALT - -- : BFD_RELOC_XTENSA_SLOT5_ALT - -- : BFD_RELOC_XTENSA_SLOT6_ALT - -- : BFD_RELOC_XTENSA_SLOT7_ALT - -- : BFD_RELOC_XTENSA_SLOT8_ALT - -- : BFD_RELOC_XTENSA_SLOT9_ALT - -- : BFD_RELOC_XTENSA_SLOT10_ALT - -- : BFD_RELOC_XTENSA_SLOT11_ALT - -- : BFD_RELOC_XTENSA_SLOT12_ALT - -- : BFD_RELOC_XTENSA_SLOT13_ALT - -- : BFD_RELOC_XTENSA_SLOT14_ALT - Alternate Xtensa relocations. Only the slot is encoded in the - relocation. The meaning of these relocations is opcode-specific. - - -- : BFD_RELOC_XTENSA_OP0 - -- : BFD_RELOC_XTENSA_OP1 - -- : BFD_RELOC_XTENSA_OP2 - Xtensa relocations for backward compatibility. These have all been - replaced by BFD_RELOC_XTENSA_SLOT0_OP. - - -- : BFD_RELOC_XTENSA_ASM_EXPAND - Xtensa relocation to mark that the assembler expanded the - instructions from an original target. The expansion size is - encoded in the reloc size. - - -- : BFD_RELOC_XTENSA_ASM_SIMPLIFY - Xtensa relocation to mark that the linker should simplify - assembler-expanded instructions. This is commonly used internally - by the linker after analysis of a BFD_RELOC_XTENSA_ASM_EXPAND. - - -- : BFD_RELOC_XTENSA_TLSDESC_FN - -- : BFD_RELOC_XTENSA_TLSDESC_ARG - -- : BFD_RELOC_XTENSA_TLS_DTPOFF - -- : BFD_RELOC_XTENSA_TLS_TPOFF - -- : BFD_RELOC_XTENSA_TLS_FUNC - -- : BFD_RELOC_XTENSA_TLS_ARG - -- : BFD_RELOC_XTENSA_TLS_CALL - Xtensa TLS relocations. - - -- : BFD_RELOC_Z80_DISP8 - 8 bit signed offset in (ix+d) or (iy+d). - - -- : BFD_RELOC_Z8K_DISP7 - DJNZ offset. - - -- : BFD_RELOC_Z8K_CALLR - CALR offset. - - -- : BFD_RELOC_Z8K_IMM4L - 4 bit value. - - -- : BFD_RELOC_LM32_CALL - -- : BFD_RELOC_LM32_BRANCH - -- : BFD_RELOC_LM32_16_GOT - -- : BFD_RELOC_LM32_GOTOFF_HI16 - -- : BFD_RELOC_LM32_GOTOFF_LO16 - -- : BFD_RELOC_LM32_COPY - -- : BFD_RELOC_LM32_GLOB_DAT - -- : BFD_RELOC_LM32_JMP_SLOT - -- : BFD_RELOC_LM32_RELATIVE - Lattice Mico32 relocations. - - -- : BFD_RELOC_MACH_O_SECTDIFF - Difference between two section addreses. Must be followed by a - BFD_RELOC_MACH_O_PAIR. - - -- : BFD_RELOC_MACH_O_PAIR - Mach-O generic relocations. - - -- : BFD_RELOC_MICROBLAZE_32_LO - This is a 32 bit reloc for the microblaze that stores the low 16 - bits of a value - - -- : BFD_RELOC_MICROBLAZE_32_LO_PCREL - This is a 32 bit pc-relative reloc for the microblaze that stores - the low 16 bits of a value - - -- : BFD_RELOC_MICROBLAZE_32_ROSDA - This is a 32 bit reloc for the microblaze that stores a value - relative to the read-only small data area anchor - - -- : BFD_RELOC_MICROBLAZE_32_RWSDA - This is a 32 bit reloc for the microblaze that stores a value - relative to the read-write small data area anchor - - -- : BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM - This is a 32 bit reloc for the microblaze to handle expressions of - the form "Symbol Op Symbol" - - -- : BFD_RELOC_MICROBLAZE_64_NONE - This is a 64 bit reloc that stores the 32 bit pc relative value in - two words (with an imm instruction). No relocation is done here - - only used for relaxing - - -- : BFD_RELOC_MICROBLAZE_64_GOTPC - This is a 64 bit reloc that stores the 32 bit pc relative value in - two words (with an imm instruction). The relocation is - PC-relative GOT offset - - -- : BFD_RELOC_MICROBLAZE_64_GOT - This is a 64 bit reloc that stores the 32 bit pc relative value in - two words (with an imm instruction). The relocation is GOT offset - - -- : BFD_RELOC_MICROBLAZE_64_PLT - This is a 64 bit reloc that stores the 32 bit pc relative value in - two words (with an imm instruction). The relocation is - PC-relative offset into PLT - - -- : BFD_RELOC_MICROBLAZE_64_GOTOFF - This is a 64 bit reloc that stores the 32 bit GOT relative value - in two words (with an imm instruction). The relocation is - relative offset from _GLOBAL_OFFSET_TABLE_ - - -- : BFD_RELOC_MICROBLAZE_32_GOTOFF - This is a 32 bit reloc that stores the 32 bit GOT relative value - in a word. The relocation is relative offset from - - -- : BFD_RELOC_MICROBLAZE_COPY - This is used to tell the dynamic linker to copy the value out of - the dynamic object into the runtime process image. - - - typedef enum bfd_reloc_code_real bfd_reloc_code_real_type; - -2.10.2.2 `bfd_reloc_type_lookup' -................................ - -*Synopsis* - reloc_howto_type *bfd_reloc_type_lookup - (bfd *abfd, bfd_reloc_code_real_type code); - reloc_howto_type *bfd_reloc_name_lookup - (bfd *abfd, const char *reloc_name); - *Description* -Return a pointer to a howto structure which, when invoked, will perform -the relocation CODE on data from the architecture noted. - -2.10.2.3 `bfd_default_reloc_type_lookup' -........................................ - -*Synopsis* - reloc_howto_type *bfd_default_reloc_type_lookup - (bfd *abfd, bfd_reloc_code_real_type code); - *Description* -Provides a default relocation lookup routine for any architecture. - -2.10.2.4 `bfd_get_reloc_code_name' -.................................. - -*Synopsis* - const char *bfd_get_reloc_code_name (bfd_reloc_code_real_type code); - *Description* -Provides a printable name for the supplied relocation code. Useful -mainly for printing error messages. - -2.10.2.5 `bfd_generic_relax_section' -.................................... - -*Synopsis* - bfd_boolean bfd_generic_relax_section - (bfd *abfd, - asection *section, - struct bfd_link_info *, - bfd_boolean *); - *Description* -Provides default handling for relaxing for back ends which don't do -relaxing. - -2.10.2.6 `bfd_generic_gc_sections' -.................................. - -*Synopsis* - bfd_boolean bfd_generic_gc_sections - (bfd *, struct bfd_link_info *); - *Description* -Provides default handling for relaxing for back ends which don't do -section gc - i.e., does nothing. - -2.10.2.7 `bfd_generic_merge_sections' -..................................... - -*Synopsis* - bfd_boolean bfd_generic_merge_sections - (bfd *, struct bfd_link_info *); - *Description* -Provides default handling for SEC_MERGE section merging for back ends -which don't have SEC_MERGE support - i.e., does nothing. - -2.10.2.8 `bfd_generic_get_relocated_section_contents' -..................................................... - -*Synopsis* - bfd_byte *bfd_generic_get_relocated_section_contents - (bfd *abfd, - struct bfd_link_info *link_info, - struct bfd_link_order *link_order, - bfd_byte *data, - bfd_boolean relocatable, - asymbol **symbols); - *Description* -Provides default handling of relocation effort for back ends which -can't be bothered to do it efficiently. - - -File: bfd.info, Node: Core Files, Next: Targets, Prev: Relocations, Up: BFD front end - -2.11 Core files -=============== - -2.11.1 Core file functions --------------------------- - -*Description* -These are functions pertaining to core files. - -2.11.1.1 `bfd_core_file_failing_command' -........................................ - -*Synopsis* - const char *bfd_core_file_failing_command (bfd *abfd); - *Description* -Return a read-only string explaining which program was running when it -failed and produced the core file ABFD. - -2.11.1.2 `bfd_core_file_failing_signal' -....................................... - -*Synopsis* - int bfd_core_file_failing_signal (bfd *abfd); - *Description* -Returns the signal number which caused the core dump which generated -the file the BFD ABFD is attached to. - -2.11.1.3 `core_file_matches_executable_p' -......................................... - -*Synopsis* - bfd_boolean core_file_matches_executable_p - (bfd *core_bfd, bfd *exec_bfd); - *Description* -Return `TRUE' if the core file attached to CORE_BFD was generated by a -run of the executable file attached to EXEC_BFD, `FALSE' otherwise. - -2.11.1.4 `generic_core_file_matches_executable_p' -................................................. - -*Synopsis* - bfd_boolean generic_core_file_matches_executable_p - (bfd *core_bfd, bfd *exec_bfd); - *Description* -Return TRUE if the core file attached to CORE_BFD was generated by a -run of the executable file attached to EXEC_BFD. The match is based on -executable basenames only. - - Note: When not able to determine the core file failing command or -the executable name, we still return TRUE even though we're not sure -that core file and executable match. This is to avoid generating a -false warning in situations where we really don't know whether they -match or not. - - -File: bfd.info, Node: Targets, Next: Architectures, Prev: Core Files, Up: BFD front end - -2.12 Targets -============ - -*Description* -Each port of BFD to a different machine requires the creation of a -target back end. All the back end provides to the root part of BFD is a -structure containing pointers to functions which perform certain low -level operations on files. BFD translates the applications's requests -through a pointer into calls to the back end routines. - - When a file is opened with `bfd_openr', its format and target are -unknown. BFD uses various mechanisms to determine how to interpret the -file. The operations performed are: - - * Create a BFD by calling the internal routine `_bfd_new_bfd', then - call `bfd_find_target' with the target string supplied to - `bfd_openr' and the new BFD pointer. - - * If a null target string was provided to `bfd_find_target', look up - the environment variable `GNUTARGET' and use that as the target - string. - - * If the target string is still `NULL', or the target string is - `default', then use the first item in the target vector as the - target type, and set `target_defaulted' in the BFD to cause - `bfd_check_format' to loop through all the targets. *Note - bfd_target::. *Note Formats::. - - * Otherwise, inspect the elements in the target vector one by one, - until a match on target name is found. When found, use it. - - * Otherwise return the error `bfd_error_invalid_target' to - `bfd_openr'. - - * `bfd_openr' attempts to open the file using `bfd_open_file', and - returns the BFD. - Once the BFD has been opened and the target selected, the file -format may be determined. This is done by calling `bfd_check_format' on -the BFD with a suggested format. If `target_defaulted' has been set, -each possible target type is tried to see if it recognizes the -specified format. `bfd_check_format' returns `TRUE' when the caller -guesses right. - -* Menu: - -* bfd_target:: - - -File: bfd.info, Node: bfd_target, Prev: Targets, Up: Targets - -2.12.1 bfd_target ------------------ - -*Description* -This structure contains everything that BFD knows about a target. It -includes things like its byte order, name, and which routines to call -to do various operations. - - Every BFD points to a target structure with its `xvec' member. - - The macros below are used to dispatch to functions through the -`bfd_target' vector. They are used in a number of macros further down -in `bfd.h', and are also used when calling various routines by hand -inside the BFD implementation. The ARGLIST argument must be -parenthesized; it contains all the arguments to the called function. - - They make the documentation (more) unpleasant to read, so if someone -wants to fix this and not break the above, please do. - #define BFD_SEND(bfd, message, arglist) \ - ((*((bfd)->xvec->message)) arglist) - - #ifdef DEBUG_BFD_SEND - #undef BFD_SEND - #define BFD_SEND(bfd, message, arglist) \ - (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \ - ((*((bfd)->xvec->message)) arglist) : \ - (bfd_assert (__FILE__,__LINE__), NULL)) - #endif - For operations which index on the BFD format: - #define BFD_SEND_FMT(bfd, message, arglist) \ - (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) - - #ifdef DEBUG_BFD_SEND - #undef BFD_SEND_FMT - #define BFD_SEND_FMT(bfd, message, arglist) \ - (((bfd) && (bfd)->xvec && (bfd)->xvec->message) ? \ - (((bfd)->xvec->message[(int) ((bfd)->format)]) arglist) : \ - (bfd_assert (__FILE__,__LINE__), NULL)) - #endif - This is the structure which defines the type of BFD this is. The -`xvec' member of the struct `bfd' itself points here. Each module that -implements access to a different target under BFD, defines one of these. - - FIXME, these names should be rationalised with the names of the -entry points which call them. Too bad we can't have one macro to define -them both! - enum bfd_flavour - { - bfd_target_unknown_flavour, - bfd_target_aout_flavour, - bfd_target_coff_flavour, - bfd_target_ecoff_flavour, - bfd_target_xcoff_flavour, - bfd_target_elf_flavour, - bfd_target_ieee_flavour, - bfd_target_nlm_flavour, - bfd_target_oasys_flavour, - bfd_target_tekhex_flavour, - bfd_target_srec_flavour, - bfd_target_verilog_flavour, - bfd_target_ihex_flavour, - bfd_target_som_flavour, - bfd_target_os9k_flavour, - bfd_target_versados_flavour, - bfd_target_msdos_flavour, - bfd_target_ovax_flavour, - bfd_target_evax_flavour, - bfd_target_mmo_flavour, - bfd_target_mach_o_flavour, - bfd_target_pef_flavour, - bfd_target_pef_xlib_flavour, - bfd_target_sym_flavour - }; - - enum bfd_endian { BFD_ENDIAN_BIG, BFD_ENDIAN_LITTLE, BFD_ENDIAN_UNKNOWN }; - - /* Forward declaration. */ - typedef struct bfd_link_info _bfd_link_info; - - typedef struct bfd_target - { - /* Identifies the kind of target, e.g., SunOS4, Ultrix, etc. */ - char *name; - - /* The "flavour" of a back end is a general indication about - the contents of a file. */ - enum bfd_flavour flavour; - - /* The order of bytes within the data area of a file. */ - enum bfd_endian byteorder; - - /* The order of bytes within the header parts of a file. */ - enum bfd_endian header_byteorder; - - /* A mask of all the flags which an executable may have set - - from the set `BFD_NO_FLAGS', `HAS_RELOC', ...`D_PAGED'. */ - flagword object_flags; - - /* A mask of all the flags which a section may have set - from - the set `SEC_NO_FLAGS', `SEC_ALLOC', ...`SET_NEVER_LOAD'. */ - flagword section_flags; - - /* The character normally found at the front of a symbol. - (if any), perhaps `_'. */ - char symbol_leading_char; - - /* The pad character for file names within an archive header. */ - char ar_pad_char; - - /* The maximum number of characters in an archive header. */ - unsigned short ar_max_namelen; - - /* Entries for byte swapping for data. These are different from the - other entry points, since they don't take a BFD as the first argument. - Certain other handlers could do the same. */ - bfd_uint64_t (*bfd_getx64) (const void *); - bfd_int64_t (*bfd_getx_signed_64) (const void *); - void (*bfd_putx64) (bfd_uint64_t, void *); - bfd_vma (*bfd_getx32) (const void *); - bfd_signed_vma (*bfd_getx_signed_32) (const void *); - void (*bfd_putx32) (bfd_vma, void *); - bfd_vma (*bfd_getx16) (const void *); - bfd_signed_vma (*bfd_getx_signed_16) (const void *); - void (*bfd_putx16) (bfd_vma, void *); - - /* Byte swapping for the headers. */ - bfd_uint64_t (*bfd_h_getx64) (const void *); - bfd_int64_t (*bfd_h_getx_signed_64) (const void *); - void (*bfd_h_putx64) (bfd_uint64_t, void *); - bfd_vma (*bfd_h_getx32) (const void *); - bfd_signed_vma (*bfd_h_getx_signed_32) (const void *); - void (*bfd_h_putx32) (bfd_vma, void *); - bfd_vma (*bfd_h_getx16) (const void *); - bfd_signed_vma (*bfd_h_getx_signed_16) (const void *); - void (*bfd_h_putx16) (bfd_vma, void *); - - /* Format dependent routines: these are vectors of entry points - within the target vector structure, one for each format to check. */ - - /* Check the format of a file being read. Return a `bfd_target *' or zero. */ - const struct bfd_target *(*_bfd_check_format[bfd_type_end]) (bfd *); - - /* Set the format of a file being written. */ - bfd_boolean (*_bfd_set_format[bfd_type_end]) (bfd *); - - /* Write cached information into a file being written, at `bfd_close'. */ - bfd_boolean (*_bfd_write_contents[bfd_type_end]) (bfd *); - The general target vector. These vectors are initialized using the -BFD_JUMP_TABLE macros. - - /* Generic entry points. */ - #define BFD_JUMP_TABLE_GENERIC(NAME) \ - NAME##_close_and_cleanup, \ - NAME##_bfd_free_cached_info, \ - NAME##_new_section_hook, \ - NAME##_get_section_contents, \ - NAME##_get_section_contents_in_window - - /* Called when the BFD is being closed to do any necessary cleanup. */ - bfd_boolean (*_close_and_cleanup) (bfd *); - /* Ask the BFD to free all cached information. */ - bfd_boolean (*_bfd_free_cached_info) (bfd *); - /* Called when a new section is created. */ - bfd_boolean (*_new_section_hook) (bfd *, sec_ptr); - /* Read the contents of a section. */ - bfd_boolean (*_bfd_get_section_contents) - (bfd *, sec_ptr, void *, file_ptr, bfd_size_type); - bfd_boolean (*_bfd_get_section_contents_in_window) - (bfd *, sec_ptr, bfd_window *, file_ptr, bfd_size_type); - - /* Entry points to copy private data. */ - #define BFD_JUMP_TABLE_COPY(NAME) \ - NAME##_bfd_copy_private_bfd_data, \ - NAME##_bfd_merge_private_bfd_data, \ - _bfd_generic_init_private_section_data, \ - NAME##_bfd_copy_private_section_data, \ - NAME##_bfd_copy_private_symbol_data, \ - NAME##_bfd_copy_private_header_data, \ - NAME##_bfd_set_private_flags, \ - NAME##_bfd_print_private_bfd_data - - /* Called to copy BFD general private data from one object file - to another. */ - bfd_boolean (*_bfd_copy_private_bfd_data) (bfd *, bfd *); - /* Called to merge BFD general private data from one object file - to a common output file when linking. */ - bfd_boolean (*_bfd_merge_private_bfd_data) (bfd *, bfd *); - /* Called to initialize BFD private section data from one object file - to another. */ - #define bfd_init_private_section_data(ibfd, isec, obfd, osec, link_info) \ - BFD_SEND (obfd, _bfd_init_private_section_data, (ibfd, isec, obfd, osec, link_info)) - bfd_boolean (*_bfd_init_private_section_data) - (bfd *, sec_ptr, bfd *, sec_ptr, struct bfd_link_info *); - /* Called to copy BFD private section data from one object file - to another. */ - bfd_boolean (*_bfd_copy_private_section_data) - (bfd *, sec_ptr, bfd *, sec_ptr); - /* Called to copy BFD private symbol data from one symbol - to another. */ - bfd_boolean (*_bfd_copy_private_symbol_data) - (bfd *, asymbol *, bfd *, asymbol *); - /* Called to copy BFD private header data from one object file - to another. */ - bfd_boolean (*_bfd_copy_private_header_data) - (bfd *, bfd *); - /* Called to set private backend flags. */ - bfd_boolean (*_bfd_set_private_flags) (bfd *, flagword); - - /* Called to print private BFD data. */ - bfd_boolean (*_bfd_print_private_bfd_data) (bfd *, void *); - - /* Core file entry points. */ - #define BFD_JUMP_TABLE_CORE(NAME) \ - NAME##_core_file_failing_command, \ - NAME##_core_file_failing_signal, \ - NAME##_core_file_matches_executable_p - - char * (*_core_file_failing_command) (bfd *); - int (*_core_file_failing_signal) (bfd *); - bfd_boolean (*_core_file_matches_executable_p) (bfd *, bfd *); - - /* Archive entry points. */ - #define BFD_JUMP_TABLE_ARCHIVE(NAME) \ - NAME##_slurp_armap, \ - NAME##_slurp_extended_name_table, \ - NAME##_construct_extended_name_table, \ - NAME##_truncate_arname, \ - NAME##_write_armap, \ - NAME##_read_ar_hdr, \ - NAME##_openr_next_archived_file, \ - NAME##_get_elt_at_index, \ - NAME##_generic_stat_arch_elt, \ - NAME##_update_armap_timestamp - - bfd_boolean (*_bfd_slurp_armap) (bfd *); - bfd_boolean (*_bfd_slurp_extended_name_table) (bfd *); - bfd_boolean (*_bfd_construct_extended_name_table) - (bfd *, char **, bfd_size_type *, const char **); - void (*_bfd_truncate_arname) (bfd *, const char *, char *); - bfd_boolean (*write_armap) - (bfd *, unsigned int, struct orl *, unsigned int, int); - void * (*_bfd_read_ar_hdr_fn) (bfd *); - bfd * (*openr_next_archived_file) (bfd *, bfd *); - #define bfd_get_elt_at_index(b,i) BFD_SEND (b, _bfd_get_elt_at_index, (b,i)) - bfd * (*_bfd_get_elt_at_index) (bfd *, symindex); - int (*_bfd_stat_arch_elt) (bfd *, struct stat *); - bfd_boolean (*_bfd_update_armap_timestamp) (bfd *); - - /* Entry points used for symbols. */ - #define BFD_JUMP_TABLE_SYMBOLS(NAME) \ - NAME##_get_symtab_upper_bound, \ - NAME##_canonicalize_symtab, \ - NAME##_make_empty_symbol, \ - NAME##_print_symbol, \ - NAME##_get_symbol_info, \ - NAME##_bfd_is_local_label_name, \ - NAME##_bfd_is_target_special_symbol, \ - NAME##_get_lineno, \ - NAME##_find_nearest_line, \ - _bfd_generic_find_line, \ - NAME##_find_inliner_info, \ - NAME##_bfd_make_debug_symbol, \ - NAME##_read_minisymbols, \ - NAME##_minisymbol_to_symbol - - long (*_bfd_get_symtab_upper_bound) (bfd *); - long (*_bfd_canonicalize_symtab) - (bfd *, struct bfd_symbol **); - struct bfd_symbol * - (*_bfd_make_empty_symbol) (bfd *); - void (*_bfd_print_symbol) - (bfd *, void *, struct bfd_symbol *, bfd_print_symbol_type); - #define bfd_print_symbol(b,p,s,e) BFD_SEND (b, _bfd_print_symbol, (b,p,s,e)) - void (*_bfd_get_symbol_info) - (bfd *, struct bfd_symbol *, symbol_info *); - #define bfd_get_symbol_info(b,p,e) BFD_SEND (b, _bfd_get_symbol_info, (b,p,e)) - bfd_boolean (*_bfd_is_local_label_name) (bfd *, const char *); - bfd_boolean (*_bfd_is_target_special_symbol) (bfd *, asymbol *); - alent * (*_get_lineno) (bfd *, struct bfd_symbol *); - bfd_boolean (*_bfd_find_nearest_line) - (bfd *, struct bfd_section *, struct bfd_symbol **, bfd_vma, - const char **, const char **, unsigned int *); - bfd_boolean (*_bfd_find_line) - (bfd *, struct bfd_symbol **, struct bfd_symbol *, - const char **, unsigned int *); - bfd_boolean (*_bfd_find_inliner_info) - (bfd *, const char **, const char **, unsigned int *); - /* Back-door to allow format-aware applications to create debug symbols - while using BFD for everything else. Currently used by the assembler - when creating COFF files. */ - asymbol * (*_bfd_make_debug_symbol) - (bfd *, void *, unsigned long size); - #define bfd_read_minisymbols(b, d, m, s) \ - BFD_SEND (b, _read_minisymbols, (b, d, m, s)) - long (*_read_minisymbols) - (bfd *, bfd_boolean, void **, unsigned int *); - #define bfd_minisymbol_to_symbol(b, d, m, f) \ - BFD_SEND (b, _minisymbol_to_symbol, (b, d, m, f)) - asymbol * (*_minisymbol_to_symbol) - (bfd *, bfd_boolean, const void *, asymbol *); - - /* Routines for relocs. */ - #define BFD_JUMP_TABLE_RELOCS(NAME) \ - NAME##_get_reloc_upper_bound, \ - NAME##_canonicalize_reloc, \ - NAME##_bfd_reloc_type_lookup, \ - NAME##_bfd_reloc_name_lookup - - long (*_get_reloc_upper_bound) (bfd *, sec_ptr); - long (*_bfd_canonicalize_reloc) - (bfd *, sec_ptr, arelent **, struct bfd_symbol **); - /* See documentation on reloc types. */ - reloc_howto_type * - (*reloc_type_lookup) (bfd *, bfd_reloc_code_real_type); - reloc_howto_type * - (*reloc_name_lookup) (bfd *, const char *); - - - /* Routines used when writing an object file. */ - #define BFD_JUMP_TABLE_WRITE(NAME) \ - NAME##_set_arch_mach, \ - NAME##_set_section_contents - - bfd_boolean (*_bfd_set_arch_mach) - (bfd *, enum bfd_architecture, unsigned long); - bfd_boolean (*_bfd_set_section_contents) - (bfd *, sec_ptr, const void *, file_ptr, bfd_size_type); - - /* Routines used by the linker. */ - #define BFD_JUMP_TABLE_LINK(NAME) \ - NAME##_sizeof_headers, \ - NAME##_bfd_get_relocated_section_contents, \ - NAME##_bfd_relax_section, \ - NAME##_bfd_link_hash_table_create, \ - NAME##_bfd_link_hash_table_free, \ - NAME##_bfd_link_add_symbols, \ - NAME##_bfd_link_just_syms, \ - NAME##_bfd_final_link, \ - NAME##_bfd_link_split_section, \ - NAME##_bfd_gc_sections, \ - NAME##_bfd_merge_sections, \ - NAME##_bfd_is_group_section, \ - NAME##_bfd_discard_group, \ - NAME##_section_already_linked, \ - NAME##_bfd_define_common_symbol - - int (*_bfd_sizeof_headers) (bfd *, struct bfd_link_info *); - bfd_byte * (*_bfd_get_relocated_section_contents) - (bfd *, struct bfd_link_info *, struct bfd_link_order *, - bfd_byte *, bfd_boolean, struct bfd_symbol **); - - bfd_boolean (*_bfd_relax_section) - (bfd *, struct bfd_section *, struct bfd_link_info *, bfd_boolean *); - - /* Create a hash table for the linker. Different backends store - different information in this table. */ - struct bfd_link_hash_table * - (*_bfd_link_hash_table_create) (bfd *); - - /* Release the memory associated with the linker hash table. */ - void (*_bfd_link_hash_table_free) (struct bfd_link_hash_table *); - - /* Add symbols from this object file into the hash table. */ - bfd_boolean (*_bfd_link_add_symbols) (bfd *, struct bfd_link_info *); - - /* Indicate that we are only retrieving symbol values from this section. */ - void (*_bfd_link_just_syms) (asection *, struct bfd_link_info *); - - /* Do a link based on the link_order structures attached to each - section of the BFD. */ - bfd_boolean (*_bfd_final_link) (bfd *, struct bfd_link_info *); - - /* Should this section be split up into smaller pieces during linking. */ - bfd_boolean (*_bfd_link_split_section) (bfd *, struct bfd_section *); - - /* Remove sections that are not referenced from the output. */ - bfd_boolean (*_bfd_gc_sections) (bfd *, struct bfd_link_info *); - - /* Attempt to merge SEC_MERGE sections. */ - bfd_boolean (*_bfd_merge_sections) (bfd *, struct bfd_link_info *); - - /* Is this section a member of a group? */ - bfd_boolean (*_bfd_is_group_section) (bfd *, const struct bfd_section *); - - /* Discard members of a group. */ - bfd_boolean (*_bfd_discard_group) (bfd *, struct bfd_section *); - - /* Check if SEC has been already linked during a reloceatable or - final link. */ - void (*_section_already_linked) (bfd *, struct bfd_section *, - struct bfd_link_info *); - - /* Define a common symbol. */ - bfd_boolean (*_bfd_define_common_symbol) (bfd *, struct bfd_link_info *, - struct bfd_link_hash_entry *); - - /* Routines to handle dynamic symbols and relocs. */ - #define BFD_JUMP_TABLE_DYNAMIC(NAME) \ - NAME##_get_dynamic_symtab_upper_bound, \ - NAME##_canonicalize_dynamic_symtab, \ - NAME##_get_synthetic_symtab, \ - NAME##_get_dynamic_reloc_upper_bound, \ - NAME##_canonicalize_dynamic_reloc - - /* Get the amount of memory required to hold the dynamic symbols. */ - long (*_bfd_get_dynamic_symtab_upper_bound) (bfd *); - /* Read in the dynamic symbols. */ - long (*_bfd_canonicalize_dynamic_symtab) - (bfd *, struct bfd_symbol **); - /* Create synthetized symbols. */ - long (*_bfd_get_synthetic_symtab) - (bfd *, long, struct bfd_symbol **, long, struct bfd_symbol **, - struct bfd_symbol **); - /* Get the amount of memory required to hold the dynamic relocs. */ - long (*_bfd_get_dynamic_reloc_upper_bound) (bfd *); - /* Read in the dynamic relocs. */ - long (*_bfd_canonicalize_dynamic_reloc) - (bfd *, arelent **, struct bfd_symbol **); - A pointer to an alternative bfd_target in case the current one is not -satisfactory. This can happen when the target cpu supports both big -and little endian code, and target chosen by the linker has the wrong -endianness. The function open_output() in ld/ldlang.c uses this field -to find an alternative output format that is suitable. - /* Opposite endian version of this target. */ - const struct bfd_target * alternative_target; - - /* Data for use by back-end routines, which isn't - generic enough to belong in this structure. */ - const void *backend_data; - - } bfd_target; - -2.12.1.1 `bfd_set_default_target' -................................. - -*Synopsis* - bfd_boolean bfd_set_default_target (const char *name); - *Description* -Set the default target vector to use when recognizing a BFD. This -takes the name of the target, which may be a BFD target name or a -configuration triplet. - -2.12.1.2 `bfd_find_target' -.......................... - -*Synopsis* - const bfd_target *bfd_find_target (const char *target_name, bfd *abfd); - *Description* -Return a pointer to the transfer vector for the object target named -TARGET_NAME. If TARGET_NAME is `NULL', choose the one in the -environment variable `GNUTARGET'; if that is null or not defined, then -choose the first entry in the target list. Passing in the string -"default" or setting the environment variable to "default" will cause -the first entry in the target list to be returned, and -"target_defaulted" will be set in the BFD if ABFD isn't `NULL'. This -causes `bfd_check_format' to loop over all the targets to find the one -that matches the file being read. - -2.12.1.3 `bfd_target_list' -.......................... - -*Synopsis* - const char ** bfd_target_list (void); - *Description* -Return a freshly malloced NULL-terminated vector of the names of all -the valid BFD targets. Do not modify the names. - -2.12.1.4 `bfd_seach_for_target' -............................... - -*Synopsis* - const bfd_target *bfd_search_for_target - (int (*search_func) (const bfd_target *, void *), - void *); - *Description* -Return a pointer to the first transfer vector in the list of transfer -vectors maintained by BFD that produces a non-zero result when passed -to the function SEARCH_FUNC. The parameter DATA is passed, unexamined, -to the search function. - - -File: bfd.info, Node: Architectures, Next: Opening and Closing, Prev: Targets, Up: BFD front end - -2.13 Architectures -================== - -BFD keeps one atom in a BFD describing the architecture of the data -attached to the BFD: a pointer to a `bfd_arch_info_type'. - - Pointers to structures can be requested independently of a BFD so -that an architecture's information can be interrogated without access -to an open BFD. - - The architecture information is provided by each architecture -package. The set of default architectures is selected by the macro -`SELECT_ARCHITECTURES'. This is normally set up in the -`config/TARGET.mt' file of your choice. If the name is not defined, -then all the architectures supported are included. - - When BFD starts up, all the architectures are called with an -initialize method. It is up to the architecture back end to insert as -many items into the list of architectures as it wants to; generally -this would be one for each machine and one for the default case (an -item with a machine field of 0). - - BFD's idea of an architecture is implemented in `archures.c'. - -2.13.1 bfd_architecture ------------------------ - -*Description* -This enum gives the object file's CPU architecture, in a global -sense--i.e., what processor family does it belong to? Another field -indicates which processor within the family is in use. The machine -gives a number which distinguishes different versions of the -architecture, containing, for example, 2 and 3 for Intel i960 KA and -i960 KB, and 68020 and 68030 for Motorola 68020 and 68030. - enum bfd_architecture - { - bfd_arch_unknown, /* File arch not known. */ - bfd_arch_obscure, /* Arch known, not one of these. */ - bfd_arch_m68k, /* Motorola 68xxx */ - #define bfd_mach_m68000 1 - #define bfd_mach_m68008 2 - #define bfd_mach_m68010 3 - #define bfd_mach_m68020 4 - #define bfd_mach_m68030 5 - #define bfd_mach_m68040 6 - #define bfd_mach_m68060 7 - #define bfd_mach_cpu32 8 - #define bfd_mach_fido 9 - #define bfd_mach_mcf_isa_a_nodiv 10 - #define bfd_mach_mcf_isa_a 11 - #define bfd_mach_mcf_isa_a_mac 12 - #define bfd_mach_mcf_isa_a_emac 13 - #define bfd_mach_mcf_isa_aplus 14 - #define bfd_mach_mcf_isa_aplus_mac 15 - #define bfd_mach_mcf_isa_aplus_emac 16 - #define bfd_mach_mcf_isa_b_nousp 17 - #define bfd_mach_mcf_isa_b_nousp_mac 18 - #define bfd_mach_mcf_isa_b_nousp_emac 19 - #define bfd_mach_mcf_isa_b 20 - #define bfd_mach_mcf_isa_b_mac 21 - #define bfd_mach_mcf_isa_b_emac 22 - #define bfd_mach_mcf_isa_b_float 23 - #define bfd_mach_mcf_isa_b_float_mac 24 - #define bfd_mach_mcf_isa_b_float_emac 25 - #define bfd_mach_mcf_isa_c 26 - #define bfd_mach_mcf_isa_c_mac 27 - #define bfd_mach_mcf_isa_c_emac 28 - #define bfd_mach_mcf_isa_c_nodiv 29 - #define bfd_mach_mcf_isa_c_nodiv_mac 30 - #define bfd_mach_mcf_isa_c_nodiv_emac 31 - bfd_arch_vax, /* DEC Vax */ - bfd_arch_i960, /* Intel 960 */ - /* The order of the following is important. - lower number indicates a machine type that - only accepts a subset of the instructions - available to machines with higher numbers. - The exception is the "ca", which is - incompatible with all other machines except - "core". */ - - #define bfd_mach_i960_core 1 - #define bfd_mach_i960_ka_sa 2 - #define bfd_mach_i960_kb_sb 3 - #define bfd_mach_i960_mc 4 - #define bfd_mach_i960_xa 5 - #define bfd_mach_i960_ca 6 - #define bfd_mach_i960_jx 7 - #define bfd_mach_i960_hx 8 - - bfd_arch_or32, /* OpenRISC 32 */ - - bfd_arch_sparc, /* SPARC */ - #define bfd_mach_sparc 1 - /* The difference between v8plus and v9 is that v9 is a true 64 bit env. */ - #define bfd_mach_sparc_sparclet 2 - #define bfd_mach_sparc_sparclite 3 - #define bfd_mach_sparc_v8plus 4 - #define bfd_mach_sparc_v8plusa 5 /* with ultrasparc add'ns. */ - #define bfd_mach_sparc_sparclite_le 6 - #define bfd_mach_sparc_v9 7 - #define bfd_mach_sparc_v9a 8 /* with ultrasparc add'ns. */ - #define bfd_mach_sparc_v8plusb 9 /* with cheetah add'ns. */ - #define bfd_mach_sparc_v9b 10 /* with cheetah add'ns. */ - /* Nonzero if MACH has the v9 instruction set. */ - #define bfd_mach_sparc_v9_p(mach) \ - ((mach) >= bfd_mach_sparc_v8plus && (mach) <= bfd_mach_sparc_v9b \ - && (mach) != bfd_mach_sparc_sparclite_le) - /* Nonzero if MACH is a 64 bit sparc architecture. */ - #define bfd_mach_sparc_64bit_p(mach) \ - ((mach) >= bfd_mach_sparc_v9 && (mach) != bfd_mach_sparc_v8plusb) - bfd_arch_spu, /* PowerPC SPU */ - #define bfd_mach_spu 256 - bfd_arch_mips, /* MIPS Rxxxx */ - #define bfd_mach_mips3000 3000 - #define bfd_mach_mips3900 3900 - #define bfd_mach_mips4000 4000 - #define bfd_mach_mips4010 4010 - #define bfd_mach_mips4100 4100 - #define bfd_mach_mips4111 4111 - #define bfd_mach_mips4120 4120 - #define bfd_mach_mips4300 4300 - #define bfd_mach_mips4400 4400 - #define bfd_mach_mips4600 4600 - #define bfd_mach_mips4650 4650 - #define bfd_mach_mips5000 5000 - #define bfd_mach_mips5400 5400 - #define bfd_mach_mips5500 5500 - #define bfd_mach_mips6000 6000 - #define bfd_mach_mips7000 7000 - #define bfd_mach_mips8000 8000 - #define bfd_mach_mips9000 9000 - #define bfd_mach_mips10000 10000 - #define bfd_mach_mips12000 12000 - #define bfd_mach_mips14000 14000 - #define bfd_mach_mips16000 16000 - #define bfd_mach_mips16 16 - #define bfd_mach_mips5 5 - #define bfd_mach_mips_loongson_2e 3001 - #define bfd_mach_mips_loongson_2f 3002 - #define bfd_mach_mips_sb1 12310201 /* octal 'SB', 01 */ - #define bfd_mach_mips_octeon 6501 - #define bfd_mach_mips_xlr 887682 /* decimal 'XLR' */ - #define bfd_mach_mipsisa32 32 - #define bfd_mach_mipsisa32r2 33 - #define bfd_mach_mipsisa64 64 - #define bfd_mach_mipsisa64r2 65 - bfd_arch_i386, /* Intel 386 */ - #define bfd_mach_i386_i386 1 - #define bfd_mach_i386_i8086 2 - #define bfd_mach_i386_i386_intel_syntax 3 - #define bfd_mach_x86_64 64 - #define bfd_mach_x86_64_intel_syntax 65 - bfd_arch_l1om, /* Intel L1OM */ - #define bfd_mach_l1om 66 - #define bfd_mach_l1om_intel_syntax 67 - bfd_arch_we32k, /* AT&T WE32xxx */ - bfd_arch_tahoe, /* CCI/Harris Tahoe */ - bfd_arch_i860, /* Intel 860 */ - bfd_arch_i370, /* IBM 360/370 Mainframes */ - bfd_arch_romp, /* IBM ROMP PC/RT */ - bfd_arch_convex, /* Convex */ - bfd_arch_m88k, /* Motorola 88xxx */ - bfd_arch_m98k, /* Motorola 98xxx */ - bfd_arch_pyramid, /* Pyramid Technology */ - bfd_arch_h8300, /* Renesas H8/300 (formerly Hitachi H8/300) */ - #define bfd_mach_h8300 1 - #define bfd_mach_h8300h 2 - #define bfd_mach_h8300s 3 - #define bfd_mach_h8300hn 4 - #define bfd_mach_h8300sn 5 - #define bfd_mach_h8300sx 6 - #define bfd_mach_h8300sxn 7 - bfd_arch_pdp11, /* DEC PDP-11 */ - bfd_arch_plugin, - bfd_arch_powerpc, /* PowerPC */ - #define bfd_mach_ppc 32 - #define bfd_mach_ppc64 64 - #define bfd_mach_ppc_403 403 - #define bfd_mach_ppc_403gc 4030 - #define bfd_mach_ppc_405 405 - #define bfd_mach_ppc_505 505 - #define bfd_mach_ppc_601 601 - #define bfd_mach_ppc_602 602 - #define bfd_mach_ppc_603 603 - #define bfd_mach_ppc_ec603e 6031 - #define bfd_mach_ppc_604 604 - #define bfd_mach_ppc_620 620 - #define bfd_mach_ppc_630 630 - #define bfd_mach_ppc_750 750 - #define bfd_mach_ppc_860 860 - #define bfd_mach_ppc_a35 35 - #define bfd_mach_ppc_rs64ii 642 - #define bfd_mach_ppc_rs64iii 643 - #define bfd_mach_ppc_7400 7400 - #define bfd_mach_ppc_e500 500 - #define bfd_mach_ppc_e500mc 5001 - bfd_arch_rs6000, /* IBM RS/6000 */ - #define bfd_mach_rs6k 6000 - #define bfd_mach_rs6k_rs1 6001 - #define bfd_mach_rs6k_rsc 6003 - #define bfd_mach_rs6k_rs2 6002 - bfd_arch_hppa, /* HP PA RISC */ - #define bfd_mach_hppa10 10 - #define bfd_mach_hppa11 11 - #define bfd_mach_hppa20 20 - #define bfd_mach_hppa20w 25 - bfd_arch_d10v, /* Mitsubishi D10V */ - #define bfd_mach_d10v 1 - #define bfd_mach_d10v_ts2 2 - #define bfd_mach_d10v_ts3 3 - bfd_arch_d30v, /* Mitsubishi D30V */ - bfd_arch_dlx, /* DLX */ - bfd_arch_m68hc11, /* Motorola 68HC11 */ - bfd_arch_m68hc12, /* Motorola 68HC12 */ - #define bfd_mach_m6812_default 0 - #define bfd_mach_m6812 1 - #define bfd_mach_m6812s 2 - bfd_arch_z8k, /* Zilog Z8000 */ - #define bfd_mach_z8001 1 - #define bfd_mach_z8002 2 - bfd_arch_h8500, /* Renesas H8/500 (formerly Hitachi H8/500) */ - bfd_arch_sh, /* Renesas / SuperH SH (formerly Hitachi SH) */ - #define bfd_mach_sh 1 - #define bfd_mach_sh2 0x20 - #define bfd_mach_sh_dsp 0x2d - #define bfd_mach_sh2a 0x2a - #define bfd_mach_sh2a_nofpu 0x2b - #define bfd_mach_sh2a_nofpu_or_sh4_nommu_nofpu 0x2a1 - #define bfd_mach_sh2a_nofpu_or_sh3_nommu 0x2a2 - #define bfd_mach_sh2a_or_sh4 0x2a3 - #define bfd_mach_sh2a_or_sh3e 0x2a4 - #define bfd_mach_sh2e 0x2e - #define bfd_mach_sh3 0x30 - #define bfd_mach_sh3_nommu 0x31 - #define bfd_mach_sh3_dsp 0x3d - #define bfd_mach_sh3e 0x3e - #define bfd_mach_sh4 0x40 - #define bfd_mach_sh4_nofpu 0x41 - #define bfd_mach_sh4_nommu_nofpu 0x42 - #define bfd_mach_sh4a 0x4a - #define bfd_mach_sh4a_nofpu 0x4b - #define bfd_mach_sh4al_dsp 0x4d - #define bfd_mach_sh5 0x50 - bfd_arch_alpha, /* Dec Alpha */ - #define bfd_mach_alpha_ev4 0x10 - #define bfd_mach_alpha_ev5 0x20 - #define bfd_mach_alpha_ev6 0x30 - bfd_arch_arm, /* Advanced Risc Machines ARM. */ - #define bfd_mach_arm_unknown 0 - #define bfd_mach_arm_2 1 - #define bfd_mach_arm_2a 2 - #define bfd_mach_arm_3 3 - #define bfd_mach_arm_3M 4 - #define bfd_mach_arm_4 5 - #define bfd_mach_arm_4T 6 - #define bfd_mach_arm_5 7 - #define bfd_mach_arm_5T 8 - #define bfd_mach_arm_5TE 9 - #define bfd_mach_arm_XScale 10 - #define bfd_mach_arm_ep9312 11 - #define bfd_mach_arm_iWMMXt 12 - #define bfd_mach_arm_iWMMXt2 13 - bfd_arch_ns32k, /* National Semiconductors ns32000 */ - bfd_arch_w65, /* WDC 65816 */ - bfd_arch_tic30, /* Texas Instruments TMS320C30 */ - bfd_arch_tic4x, /* Texas Instruments TMS320C3X/4X */ - #define bfd_mach_tic3x 30 - #define bfd_mach_tic4x 40 - bfd_arch_tic54x, /* Texas Instruments TMS320C54X */ - bfd_arch_tic80, /* TI TMS320c80 (MVP) */ - bfd_arch_v850, /* NEC V850 */ - #define bfd_mach_v850 1 - #define bfd_mach_v850e 'E' - #define bfd_mach_v850e1 '1' - bfd_arch_arc, /* ARC Cores */ - #define bfd_mach_arc_5 5 - #define bfd_mach_arc_6 6 - #define bfd_mach_arc_7 7 - #define bfd_mach_arc_8 8 - bfd_arch_m32c, /* Renesas M16C/M32C. */ - #define bfd_mach_m16c 0x75 - #define bfd_mach_m32c 0x78 - bfd_arch_m32r, /* Renesas M32R (formerly Mitsubishi M32R/D) */ - #define bfd_mach_m32r 1 /* For backwards compatibility. */ - #define bfd_mach_m32rx 'x' - #define bfd_mach_m32r2 '2' - bfd_arch_mn10200, /* Matsushita MN10200 */ - bfd_arch_mn10300, /* Matsushita MN10300 */ - #define bfd_mach_mn10300 300 - #define bfd_mach_am33 330 - #define bfd_mach_am33_2 332 - bfd_arch_fr30, - #define bfd_mach_fr30 0x46523330 - bfd_arch_frv, - #define bfd_mach_frv 1 - #define bfd_mach_frvsimple 2 - #define bfd_mach_fr300 300 - #define bfd_mach_fr400 400 - #define bfd_mach_fr450 450 - #define bfd_mach_frvtomcat 499 /* fr500 prototype */ - #define bfd_mach_fr500 500 - #define bfd_mach_fr550 550 - bfd_arch_moxie, /* The moxie processor */ - #define bfd_mach_moxie 1 - bfd_arch_mcore, - bfd_arch_mep, - #define bfd_mach_mep 1 - #define bfd_mach_mep_h1 0x6831 - #define bfd_mach_mep_c5 0x6335 - bfd_arch_ia64, /* HP/Intel ia64 */ - #define bfd_mach_ia64_elf64 64 - #define bfd_mach_ia64_elf32 32 - bfd_arch_ip2k, /* Ubicom IP2K microcontrollers. */ - #define bfd_mach_ip2022 1 - #define bfd_mach_ip2022ext 2 - bfd_arch_iq2000, /* Vitesse IQ2000. */ - #define bfd_mach_iq2000 1 - #define bfd_mach_iq10 2 - bfd_arch_mt, - #define bfd_mach_ms1 1 - #define bfd_mach_mrisc2 2 - #define bfd_mach_ms2 3 - bfd_arch_pj, - bfd_arch_avr, /* Atmel AVR microcontrollers. */ - #define bfd_mach_avr1 1 - #define bfd_mach_avr2 2 - #define bfd_mach_avr25 25 - #define bfd_mach_avr3 3 - #define bfd_mach_avr31 31 - #define bfd_mach_avr35 35 - #define bfd_mach_avr4 4 - #define bfd_mach_avr5 5 - #define bfd_mach_avr51 51 - #define bfd_mach_avr6 6 - bfd_arch_bfin, /* ADI Blackfin */ - #define bfd_mach_bfin 1 - bfd_arch_cr16, /* National Semiconductor CompactRISC (ie CR16). */ - #define bfd_mach_cr16 1 - bfd_arch_cr16c, /* National Semiconductor CompactRISC. */ - #define bfd_mach_cr16c 1 - bfd_arch_crx, /* National Semiconductor CRX. */ - #define bfd_mach_crx 1 - bfd_arch_cris, /* Axis CRIS */ - #define bfd_mach_cris_v0_v10 255 - #define bfd_mach_cris_v32 32 - #define bfd_mach_cris_v10_v32 1032 - bfd_arch_s390, /* IBM s390 */ - #define bfd_mach_s390_31 31 - #define bfd_mach_s390_64 64 - bfd_arch_score, /* Sunplus score */ - #define bfd_mach_score3 3 - #define bfd_mach_score7 7 - bfd_arch_openrisc, /* OpenRISC */ - bfd_arch_mmix, /* Donald Knuth's educational processor. */ - bfd_arch_xstormy16, - #define bfd_mach_xstormy16 1 - bfd_arch_msp430, /* Texas Instruments MSP430 architecture. */ - #define bfd_mach_msp11 11 - #define bfd_mach_msp110 110 - #define bfd_mach_msp12 12 - #define bfd_mach_msp13 13 - #define bfd_mach_msp14 14 - #define bfd_mach_msp15 15 - #define bfd_mach_msp16 16 - #define bfd_mach_msp21 21 - #define bfd_mach_msp31 31 - #define bfd_mach_msp32 32 - #define bfd_mach_msp33 33 - #define bfd_mach_msp41 41 - #define bfd_mach_msp42 42 - #define bfd_mach_msp43 43 - #define bfd_mach_msp44 44 - bfd_arch_xc16x, /* Infineon's XC16X Series. */ - #define bfd_mach_xc16x 1 - #define bfd_mach_xc16xl 2 - #define bfd_mach_xc16xs 3 - bfd_arch_xtensa, /* Tensilica's Xtensa cores. */ - #define bfd_mach_xtensa 1 - bfd_arch_maxq, /* Dallas MAXQ 10/20 */ - #define bfd_mach_maxq10 10 - #define bfd_mach_maxq20 20 - bfd_arch_z80, - #define bfd_mach_z80strict 1 /* No undocumented opcodes. */ - #define bfd_mach_z80 3 /* With ixl, ixh, iyl, and iyh. */ - #define bfd_mach_z80full 7 /* All undocumented instructions. */ - #define bfd_mach_r800 11 /* R800: successor with multiplication. */ - bfd_arch_lm32, /* Lattice Mico32 */ - #define bfd_mach_lm32 1 - bfd_arch_microblaze,/* Xilinx MicroBlaze. */ - bfd_arch_last - }; - -2.13.2 bfd_arch_info --------------------- - -*Description* -This structure contains information on architectures for use within BFD. - - typedef struct bfd_arch_info - { - int bits_per_word; - int bits_per_address; - int bits_per_byte; - enum bfd_architecture arch; - unsigned long mach; - const char *arch_name; - const char *printable_name; - unsigned int section_align_power; - /* TRUE if this is the default machine for the architecture. - The default arch should be the first entry for an arch so that - all the entries for that arch can be accessed via `next'. */ - bfd_boolean the_default; - const struct bfd_arch_info * (*compatible) - (const struct bfd_arch_info *a, const struct bfd_arch_info *b); - - bfd_boolean (*scan) (const struct bfd_arch_info *, const char *); - - const struct bfd_arch_info *next; - } - bfd_arch_info_type; - -2.13.2.1 `bfd_printable_name' -............................. - -*Synopsis* - const char *bfd_printable_name (bfd *abfd); - *Description* -Return a printable string representing the architecture and machine -from the pointer to the architecture info structure. - -2.13.2.2 `bfd_scan_arch' -........................ - -*Synopsis* - const bfd_arch_info_type *bfd_scan_arch (const char *string); - *Description* -Figure out if BFD supports any cpu which could be described with the -name STRING. Return a pointer to an `arch_info' structure if a machine -is found, otherwise NULL. - -2.13.2.3 `bfd_arch_list' -........................ - -*Synopsis* - const char **bfd_arch_list (void); - *Description* -Return a freshly malloced NULL-terminated vector of the names of all -the valid BFD architectures. Do not modify the names. - -2.13.2.4 `bfd_arch_get_compatible' -.................................. - -*Synopsis* - const bfd_arch_info_type *bfd_arch_get_compatible - (const bfd *abfd, const bfd *bbfd, bfd_boolean accept_unknowns); - *Description* -Determine whether two BFDs' architectures and machine types are -compatible. Calculates the lowest common denominator between the two -architectures and machine types implied by the BFDs and returns a -pointer to an `arch_info' structure describing the compatible machine. - -2.13.2.5 `bfd_default_arch_struct' -.................................. - -*Description* -The `bfd_default_arch_struct' is an item of `bfd_arch_info_type' which -has been initialized to a fairly generic state. A BFD starts life by -pointing to this structure, until the correct back end has determined -the real architecture of the file. - extern const bfd_arch_info_type bfd_default_arch_struct; - -2.13.2.6 `bfd_set_arch_info' -............................ - -*Synopsis* - void bfd_set_arch_info (bfd *abfd, const bfd_arch_info_type *arg); - *Description* -Set the architecture info of ABFD to ARG. - -2.13.2.7 `bfd_default_set_arch_mach' -.................................... - -*Synopsis* - bfd_boolean bfd_default_set_arch_mach - (bfd *abfd, enum bfd_architecture arch, unsigned long mach); - *Description* -Set the architecture and machine type in BFD ABFD to ARCH and MACH. -Find the correct pointer to a structure and insert it into the -`arch_info' pointer. - -2.13.2.8 `bfd_get_arch' -....................... - -*Synopsis* - enum bfd_architecture bfd_get_arch (bfd *abfd); - *Description* -Return the enumerated type which describes the BFD ABFD's architecture. - -2.13.2.9 `bfd_get_mach' -....................... - -*Synopsis* - unsigned long bfd_get_mach (bfd *abfd); - *Description* -Return the long type which describes the BFD ABFD's machine. - -2.13.2.10 `bfd_arch_bits_per_byte' -.................................. - -*Synopsis* - unsigned int bfd_arch_bits_per_byte (bfd *abfd); - *Description* -Return the number of bits in one of the BFD ABFD's architecture's bytes. - -2.13.2.11 `bfd_arch_bits_per_address' -..................................... - -*Synopsis* - unsigned int bfd_arch_bits_per_address (bfd *abfd); - *Description* -Return the number of bits in one of the BFD ABFD's architecture's -addresses. - -2.13.2.12 `bfd_default_compatible' -.................................. - -*Synopsis* - const bfd_arch_info_type *bfd_default_compatible - (const bfd_arch_info_type *a, const bfd_arch_info_type *b); - *Description* -The default function for testing for compatibility. - -2.13.2.13 `bfd_default_scan' -............................ - -*Synopsis* - bfd_boolean bfd_default_scan - (const struct bfd_arch_info *info, const char *string); - *Description* -The default function for working out whether this is an architecture -hit and a machine hit. - -2.13.2.14 `bfd_get_arch_info' -............................. - -*Synopsis* - const bfd_arch_info_type *bfd_get_arch_info (bfd *abfd); - *Description* -Return the architecture info struct in ABFD. - -2.13.2.15 `bfd_lookup_arch' -........................... - -*Synopsis* - const bfd_arch_info_type *bfd_lookup_arch - (enum bfd_architecture arch, unsigned long machine); - *Description* -Look for the architecture info structure which matches the arguments -ARCH and MACHINE. A machine of 0 matches the machine/architecture -structure which marks itself as the default. - -2.13.2.16 `bfd_printable_arch_mach' -................................... - -*Synopsis* - const char *bfd_printable_arch_mach - (enum bfd_architecture arch, unsigned long machine); - *Description* -Return a printable string representing the architecture and machine -type. - - This routine is depreciated. - -2.13.2.17 `bfd_octets_per_byte' -............................... - -*Synopsis* - unsigned int bfd_octets_per_byte (bfd *abfd); - *Description* -Return the number of octets (8-bit quantities) per target byte (minimum -addressable unit). In most cases, this will be one, but some DSP -targets have 16, 32, or even 48 bits per byte. - -2.13.2.18 `bfd_arch_mach_octets_per_byte' -......................................... - -*Synopsis* - unsigned int bfd_arch_mach_octets_per_byte - (enum bfd_architecture arch, unsigned long machine); - *Description* -See bfd_octets_per_byte. - - This routine is provided for those cases where a bfd * is not -available - - -File: bfd.info, Node: Opening and Closing, Next: Internal, Prev: Architectures, Up: BFD front end - -2.14 Opening and closing BFDs -============================= - -2.14.1 Functions for opening and closing ----------------------------------------- - -2.14.1.1 `bfd_fopen' -.................... - -*Synopsis* - bfd *bfd_fopen (const char *filename, const char *target, - const char *mode, int fd); - *Description* -Open the file FILENAME with the target TARGET. Return a pointer to the -created BFD. If FD is not -1, then `fdopen' is used to open the file; -otherwise, `fopen' is used. MODE is passed directly to `fopen' or -`fdopen'. - - Calls `bfd_find_target', so TARGET is interpreted as by that -function. - - The new BFD is marked as cacheable iff FD is -1. - - If `NULL' is returned then an error has occured. Possible errors -are `bfd_error_no_memory', `bfd_error_invalid_target' or `system_call' -error. - -2.14.1.2 `bfd_openr' -.................... - -*Synopsis* - bfd *bfd_openr (const char *filename, const char *target); - *Description* -Open the file FILENAME (using `fopen') with the target TARGET. Return -a pointer to the created BFD. - - Calls `bfd_find_target', so TARGET is interpreted as by that -function. - - If `NULL' is returned then an error has occured. Possible errors -are `bfd_error_no_memory', `bfd_error_invalid_target' or `system_call' -error. - -2.14.1.3 `bfd_fdopenr' -...................... - -*Synopsis* - bfd *bfd_fdopenr (const char *filename, const char *target, int fd); - *Description* -`bfd_fdopenr' is to `bfd_fopenr' much like `fdopen' is to `fopen'. It -opens a BFD on a file already described by the FD supplied. - - When the file is later `bfd_close'd, the file descriptor will be -closed. If the caller desires that this file descriptor be cached by -BFD (opened as needed, closed as needed to free descriptors for other -opens), with the supplied FD used as an initial file descriptor (but -subject to closure at any time), call bfd_set_cacheable(bfd, 1) on the -returned BFD. The default is to assume no caching; the file descriptor -will remain open until `bfd_close', and will not be affected by BFD -operations on other files. - - Possible errors are `bfd_error_no_memory', -`bfd_error_invalid_target' and `bfd_error_system_call'. - -2.14.1.4 `bfd_openstreamr' -.......................... - -*Synopsis* - bfd *bfd_openstreamr (const char *, const char *, void *); - *Description* -Open a BFD for read access on an existing stdio stream. When the BFD -is passed to `bfd_close', the stream will be closed. - -2.14.1.5 `bfd_openr_iovec' -.......................... - -*Synopsis* - bfd *bfd_openr_iovec (const char *filename, const char *target, - void *(*open) (struct bfd *nbfd, - void *open_closure), - void *open_closure, - file_ptr (*pread) (struct bfd *nbfd, - void *stream, - void *buf, - file_ptr nbytes, - file_ptr offset), - int (*close) (struct bfd *nbfd, - void *stream), - int (*stat) (struct bfd *abfd, - void *stream, - struct stat *sb)); - *Description* -Create and return a BFD backed by a read-only STREAM. The STREAM is -created using OPEN, accessed using PREAD and destroyed using CLOSE. - - Calls `bfd_find_target', so TARGET is interpreted as by that -function. - - Calls OPEN (which can call `bfd_zalloc' and `bfd_get_filename') to -obtain the read-only stream backing the BFD. OPEN either succeeds -returning the non-`NULL' STREAM, or fails returning `NULL' (setting -`bfd_error'). - - Calls PREAD to request NBYTES of data from STREAM starting at OFFSET -(e.g., via a call to `bfd_read'). PREAD either succeeds returning the -number of bytes read (which can be less than NBYTES when end-of-file), -or fails returning -1 (setting `bfd_error'). - - Calls CLOSE when the BFD is later closed using `bfd_close'. CLOSE -either succeeds returning 0, or fails returning -1 (setting -`bfd_error'). - - Calls STAT to fill in a stat structure for bfd_stat, bfd_get_size, -and bfd_get_mtime calls. STAT returns 0 on success, or returns -1 on -failure (setting `bfd_error'). - - If `bfd_openr_iovec' returns `NULL' then an error has occurred. -Possible errors are `bfd_error_no_memory', `bfd_error_invalid_target' -and `bfd_error_system_call'. - -2.14.1.6 `bfd_openw' -.................... - -*Synopsis* - bfd *bfd_openw (const char *filename, const char *target); - *Description* -Create a BFD, associated with file FILENAME, using the file format -TARGET, and return a pointer to it. - - Possible errors are `bfd_error_system_call', `bfd_error_no_memory', -`bfd_error_invalid_target'. - -2.14.1.7 `bfd_close' -.................... - -*Synopsis* - bfd_boolean bfd_close (bfd *abfd); - *Description* -Close a BFD. If the BFD was open for writing, then pending operations -are completed and the file written out and closed. If the created file -is executable, then `chmod' is called to mark it as such. - - All memory attached to the BFD is released. - - The file descriptor associated with the BFD is closed (even if it -was passed in to BFD by `bfd_fdopenr'). - - *Returns* -`TRUE' is returned if all is ok, otherwise `FALSE'. - -2.14.1.8 `bfd_close_all_done' -............................. - -*Synopsis* - bfd_boolean bfd_close_all_done (bfd *); - *Description* -Close a BFD. Differs from `bfd_close' since it does not complete any -pending operations. This routine would be used if the application had -just used BFD for swapping and didn't want to use any of the writing -code. - - If the created file is executable, then `chmod' is called to mark it -as such. - - All memory attached to the BFD is released. - - *Returns* -`TRUE' is returned if all is ok, otherwise `FALSE'. - -2.14.1.9 `bfd_create' -..................... - -*Synopsis* - bfd *bfd_create (const char *filename, bfd *templ); - *Description* -Create a new BFD in the manner of `bfd_openw', but without opening a -file. The new BFD takes the target from the target used by TEMPLATE. -The format is always set to `bfd_object'. - -2.14.1.10 `bfd_make_writable' -............................. - -*Synopsis* - bfd_boolean bfd_make_writable (bfd *abfd); - *Description* -Takes a BFD as created by `bfd_create' and converts it into one like as -returned by `bfd_openw'. It does this by converting the BFD to -BFD_IN_MEMORY. It's assumed that you will call `bfd_make_readable' on -this bfd later. - - *Returns* -`TRUE' is returned if all is ok, otherwise `FALSE'. - -2.14.1.11 `bfd_make_readable' -............................. - -*Synopsis* - bfd_boolean bfd_make_readable (bfd *abfd); - *Description* -Takes a BFD as created by `bfd_create' and `bfd_make_writable' and -converts it into one like as returned by `bfd_openr'. It does this by -writing the contents out to the memory buffer, then reversing the -direction. - - *Returns* -`TRUE' is returned if all is ok, otherwise `FALSE'. - -2.14.1.12 `bfd_alloc' -..................... - -*Synopsis* - void *bfd_alloc (bfd *abfd, bfd_size_type wanted); - *Description* -Allocate a block of WANTED bytes of memory attached to `abfd' and -return a pointer to it. - -2.14.1.13 `bfd_alloc2' -...................... - -*Synopsis* - void *bfd_alloc2 (bfd *abfd, bfd_size_type nmemb, bfd_size_type size); - *Description* -Allocate a block of NMEMB elements of SIZE bytes each of memory -attached to `abfd' and return a pointer to it. - -2.14.1.14 `bfd_zalloc' -...................... - -*Synopsis* - void *bfd_zalloc (bfd *abfd, bfd_size_type wanted); - *Description* -Allocate a block of WANTED bytes of zeroed memory attached to `abfd' -and return a pointer to it. - -2.14.1.15 `bfd_zalloc2' -....................... - -*Synopsis* - void *bfd_zalloc2 (bfd *abfd, bfd_size_type nmemb, bfd_size_type size); - *Description* -Allocate a block of NMEMB elements of SIZE bytes each of zeroed memory -attached to `abfd' and return a pointer to it. - -2.14.1.16 `bfd_calc_gnu_debuglink_crc32' -........................................ - -*Synopsis* - unsigned long bfd_calc_gnu_debuglink_crc32 - (unsigned long crc, const unsigned char *buf, bfd_size_type len); - *Description* -Computes a CRC value as used in the .gnu_debuglink section. Advances -the previously computed CRC value by computing and adding in the crc32 -for LEN bytes of BUF. - - *Returns* -Return the updated CRC32 value. - -2.14.1.17 `get_debug_link_info' -............................... - -*Synopsis* - char *get_debug_link_info (bfd *abfd, unsigned long *crc32_out); - *Description* -fetch the filename and CRC32 value for any separate debuginfo -associated with ABFD. Return NULL if no such info found, otherwise -return filename and update CRC32_OUT. - -2.14.1.18 `separate_debug_file_exists' -...................................... - -*Synopsis* - bfd_boolean separate_debug_file_exists - (char *name, unsigned long crc32); - *Description* -Checks to see if NAME is a file and if its contents match CRC32. - -2.14.1.19 `find_separate_debug_file' -.................................... - -*Synopsis* - char *find_separate_debug_file (bfd *abfd); - *Description* -Searches ABFD for a reference to separate debugging information, scans -various locations in the filesystem, including the file tree rooted at -DEBUG_FILE_DIRECTORY, and returns a filename of such debugging -information if the file is found and has matching CRC32. Returns NULL -if no reference to debugging file exists, or file cannot be found. - -2.14.1.20 `bfd_follow_gnu_debuglink' -.................................... - -*Synopsis* - char *bfd_follow_gnu_debuglink (bfd *abfd, const char *dir); - *Description* -Takes a BFD and searches it for a .gnu_debuglink section. If this -section is found, it examines the section for the name and checksum of -a '.debug' file containing auxiliary debugging information. It then -searches the filesystem for this .debug file in some standard -locations, including the directory tree rooted at DIR, and if found -returns the full filename. - - If DIR is NULL, it will search a default path configured into libbfd -at build time. [XXX this feature is not currently implemented]. - - *Returns* -`NULL' on any errors or failure to locate the .debug file, otherwise a -pointer to a heap-allocated string containing the filename. The caller -is responsible for freeing this string. - -2.14.1.21 `bfd_create_gnu_debuglink_section' -............................................ - -*Synopsis* - struct bfd_section *bfd_create_gnu_debuglink_section - (bfd *abfd, const char *filename); - *Description* -Takes a BFD and adds a .gnu_debuglink section to it. The section is -sized to be big enough to contain a link to the specified FILENAME. - - *Returns* -A pointer to the new section is returned if all is ok. Otherwise -`NULL' is returned and bfd_error is set. - -2.14.1.22 `bfd_fill_in_gnu_debuglink_section' -............................................. - -*Synopsis* - bfd_boolean bfd_fill_in_gnu_debuglink_section - (bfd *abfd, struct bfd_section *sect, const char *filename); - *Description* -Takes a BFD and containing a .gnu_debuglink section SECT and fills in -the contents of the section to contain a link to the specified -FILENAME. The filename should be relative to the current directory. - - *Returns* -`TRUE' is returned if all is ok. Otherwise `FALSE' is returned and -bfd_error is set. - - -File: bfd.info, Node: Internal, Next: File Caching, Prev: Opening and Closing, Up: BFD front end - -2.15 Implementation details -=========================== - -2.15.1 Internal functions -------------------------- - -*Description* -These routines are used within BFD. They are not intended for export, -but are documented here for completeness. - -2.15.1.1 `bfd_write_bigendian_4byte_int' -........................................ - -*Synopsis* - bfd_boolean bfd_write_bigendian_4byte_int (bfd *, unsigned int); - *Description* -Write a 4 byte integer I to the output BFD ABFD, in big endian order -regardless of what else is going on. This is useful in archives. - -2.15.1.2 `bfd_put_size' -....................... - -2.15.1.3 `bfd_get_size' -....................... - -*Description* -These macros as used for reading and writing raw data in sections; each -access (except for bytes) is vectored through the target format of the -BFD and mangled accordingly. The mangling performs any necessary endian -translations and removes alignment restrictions. Note that types -accepted and returned by these macros are identical so they can be -swapped around in macros--for example, `libaout.h' defines `GET_WORD' -to either `bfd_get_32' or `bfd_get_64'. - - In the put routines, VAL must be a `bfd_vma'. If we are on a system -without prototypes, the caller is responsible for making sure that is -true, with a cast if necessary. We don't cast them in the macro -definitions because that would prevent `lint' or `gcc -Wall' from -detecting sins such as passing a pointer. To detect calling these with -less than a `bfd_vma', use `gcc -Wconversion' on a host with 64 bit -`bfd_vma''s. - - /* Byte swapping macros for user section data. */ - - #define bfd_put_8(abfd, val, ptr) \ - ((void) (*((unsigned char *) (ptr)) = (val) & 0xff)) - #define bfd_put_signed_8 \ - bfd_put_8 - #define bfd_get_8(abfd, ptr) \ - (*(unsigned char *) (ptr) & 0xff) - #define bfd_get_signed_8(abfd, ptr) \ - (((*(unsigned char *) (ptr) & 0xff) ^ 0x80) - 0x80) - - #define bfd_put_16(abfd, val, ptr) \ - BFD_SEND (abfd, bfd_putx16, ((val),(ptr))) - #define bfd_put_signed_16 \ - bfd_put_16 - #define bfd_get_16(abfd, ptr) \ - BFD_SEND (abfd, bfd_getx16, (ptr)) - #define bfd_get_signed_16(abfd, ptr) \ - BFD_SEND (abfd, bfd_getx_signed_16, (ptr)) - - #define bfd_put_32(abfd, val, ptr) \ - BFD_SEND (abfd, bfd_putx32, ((val),(ptr))) - #define bfd_put_signed_32 \ - bfd_put_32 - #define bfd_get_32(abfd, ptr) \ - BFD_SEND (abfd, bfd_getx32, (ptr)) - #define bfd_get_signed_32(abfd, ptr) \ - BFD_SEND (abfd, bfd_getx_signed_32, (ptr)) - - #define bfd_put_64(abfd, val, ptr) \ - BFD_SEND (abfd, bfd_putx64, ((val), (ptr))) - #define bfd_put_signed_64 \ - bfd_put_64 - #define bfd_get_64(abfd, ptr) \ - BFD_SEND (abfd, bfd_getx64, (ptr)) - #define bfd_get_signed_64(abfd, ptr) \ - BFD_SEND (abfd, bfd_getx_signed_64, (ptr)) - - #define bfd_get(bits, abfd, ptr) \ - ((bits) == 8 ? (bfd_vma) bfd_get_8 (abfd, ptr) \ - : (bits) == 16 ? bfd_get_16 (abfd, ptr) \ - : (bits) == 32 ? bfd_get_32 (abfd, ptr) \ - : (bits) == 64 ? bfd_get_64 (abfd, ptr) \ - : (abort (), (bfd_vma) - 1)) - - #define bfd_put(bits, abfd, val, ptr) \ - ((bits) == 8 ? bfd_put_8 (abfd, val, ptr) \ - : (bits) == 16 ? bfd_put_16 (abfd, val, ptr) \ - : (bits) == 32 ? bfd_put_32 (abfd, val, ptr) \ - : (bits) == 64 ? bfd_put_64 (abfd, val, ptr) \ - : (abort (), (void) 0)) - -2.15.1.4 `bfd_h_put_size' -......................... - -*Description* -These macros have the same function as their `bfd_get_x' brethren, -except that they are used for removing information for the header -records of object files. Believe it or not, some object files keep -their header records in big endian order and their data in little -endian order. - - /* Byte swapping macros for file header data. */ - - #define bfd_h_put_8(abfd, val, ptr) \ - bfd_put_8 (abfd, val, ptr) - #define bfd_h_put_signed_8(abfd, val, ptr) \ - bfd_put_8 (abfd, val, ptr) - #define bfd_h_get_8(abfd, ptr) \ - bfd_get_8 (abfd, ptr) - #define bfd_h_get_signed_8(abfd, ptr) \ - bfd_get_signed_8 (abfd, ptr) - - #define bfd_h_put_16(abfd, val, ptr) \ - BFD_SEND (abfd, bfd_h_putx16, (val, ptr)) - #define bfd_h_put_signed_16 \ - bfd_h_put_16 - #define bfd_h_get_16(abfd, ptr) \ - BFD_SEND (abfd, bfd_h_getx16, (ptr)) - #define bfd_h_get_signed_16(abfd, ptr) \ - BFD_SEND (abfd, bfd_h_getx_signed_16, (ptr)) - - #define bfd_h_put_32(abfd, val, ptr) \ - BFD_SEND (abfd, bfd_h_putx32, (val, ptr)) - #define bfd_h_put_signed_32 \ - bfd_h_put_32 - #define bfd_h_get_32(abfd, ptr) \ - BFD_SEND (abfd, bfd_h_getx32, (ptr)) - #define bfd_h_get_signed_32(abfd, ptr) \ - BFD_SEND (abfd, bfd_h_getx_signed_32, (ptr)) - - #define bfd_h_put_64(abfd, val, ptr) \ - BFD_SEND (abfd, bfd_h_putx64, (val, ptr)) - #define bfd_h_put_signed_64 \ - bfd_h_put_64 - #define bfd_h_get_64(abfd, ptr) \ - BFD_SEND (abfd, bfd_h_getx64, (ptr)) - #define bfd_h_get_signed_64(abfd, ptr) \ - BFD_SEND (abfd, bfd_h_getx_signed_64, (ptr)) - - /* Aliases for the above, which should eventually go away. */ - - #define H_PUT_64 bfd_h_put_64 - #define H_PUT_32 bfd_h_put_32 - #define H_PUT_16 bfd_h_put_16 - #define H_PUT_8 bfd_h_put_8 - #define H_PUT_S64 bfd_h_put_signed_64 - #define H_PUT_S32 bfd_h_put_signed_32 - #define H_PUT_S16 bfd_h_put_signed_16 - #define H_PUT_S8 bfd_h_put_signed_8 - #define H_GET_64 bfd_h_get_64 - #define H_GET_32 bfd_h_get_32 - #define H_GET_16 bfd_h_get_16 - #define H_GET_8 bfd_h_get_8 - #define H_GET_S64 bfd_h_get_signed_64 - #define H_GET_S32 bfd_h_get_signed_32 - #define H_GET_S16 bfd_h_get_signed_16 - #define H_GET_S8 bfd_h_get_signed_8 - -2.15.1.5 `bfd_log2' -................... - -*Synopsis* - unsigned int bfd_log2 (bfd_vma x); - *Description* -Return the log base 2 of the value supplied, rounded up. E.g., an X of -1025 returns 11. A X of 0 returns 0. - - -File: bfd.info, Node: File Caching, Next: Linker Functions, Prev: Internal, Up: BFD front end - -2.16 File caching -================= - -The file caching mechanism is embedded within BFD and allows the -application to open as many BFDs as it wants without regard to the -underlying operating system's file descriptor limit (often as low as 20 -open files). The module in `cache.c' maintains a least recently used -list of `BFD_CACHE_MAX_OPEN' files, and exports the name -`bfd_cache_lookup', which runs around and makes sure that the required -BFD is open. If not, then it chooses a file to close, closes it and -opens the one wanted, returning its file handle. - -2.16.1 Caching functions ------------------------- - -2.16.1.1 `bfd_cache_init' -......................... - -*Synopsis* - bfd_boolean bfd_cache_init (bfd *abfd); - *Description* -Add a newly opened BFD to the cache. - -2.16.1.2 `bfd_cache_close' -.......................... - -*Synopsis* - bfd_boolean bfd_cache_close (bfd *abfd); - *Description* -Remove the BFD ABFD from the cache. If the attached file is open, then -close it too. - - *Returns* -`FALSE' is returned if closing the file fails, `TRUE' is returned if -all is well. - -2.16.1.3 `bfd_cache_close_all' -.............................. - -*Synopsis* - bfd_boolean bfd_cache_close_all (void); - *Description* -Remove all BFDs from the cache. If the attached file is open, then -close it too. - - *Returns* -`FALSE' is returned if closing one of the file fails, `TRUE' is -returned if all is well. - -2.16.1.4 `bfd_open_file' -........................ - -*Synopsis* - FILE* bfd_open_file (bfd *abfd); - *Description* -Call the OS to open a file for ABFD. Return the `FILE *' (possibly -`NULL') that results from this operation. Set up the BFD so that -future accesses know the file is open. If the `FILE *' returned is -`NULL', then it won't have been put in the cache, so it won't have to -be removed from it. - - -File: bfd.info, Node: Linker Functions, Next: Hash Tables, Prev: File Caching, Up: BFD front end - -2.17 Linker Functions -===================== - -The linker uses three special entry points in the BFD target vector. -It is not necessary to write special routines for these entry points -when creating a new BFD back end, since generic versions are provided. -However, writing them can speed up linking and make it use -significantly less runtime memory. - - The first routine creates a hash table used by the other routines. -The second routine adds the symbols from an object file to the hash -table. The third routine takes all the object files and links them -together to create the output file. These routines are designed so -that the linker proper does not need to know anything about the symbols -in the object files that it is linking. The linker merely arranges the -sections as directed by the linker script and lets BFD handle the -details of symbols and relocs. - - The second routine and third routines are passed a pointer to a -`struct bfd_link_info' structure (defined in `bfdlink.h') which holds -information relevant to the link, including the linker hash table -(which was created by the first routine) and a set of callback -functions to the linker proper. - - The generic linker routines are in `linker.c', and use the header -file `genlink.h'. As of this writing, the only back ends which have -implemented versions of these routines are a.out (in `aoutx.h') and -ECOFF (in `ecoff.c'). The a.out routines are used as examples -throughout this section. - -* Menu: - -* Creating a Linker Hash Table:: -* Adding Symbols to the Hash Table:: -* Performing the Final Link:: - - -File: bfd.info, Node: Creating a Linker Hash Table, Next: Adding Symbols to the Hash Table, Prev: Linker Functions, Up: Linker Functions - -2.17.1 Creating a linker hash table ------------------------------------ - -The linker routines must create a hash table, which must be derived -from `struct bfd_link_hash_table' described in `bfdlink.c'. *Note Hash -Tables::, for information on how to create a derived hash table. This -entry point is called using the target vector of the linker output file. - - The `_bfd_link_hash_table_create' entry point must allocate and -initialize an instance of the desired hash table. If the back end does -not require any additional information to be stored with the entries in -the hash table, the entry point may simply create a `struct -bfd_link_hash_table'. Most likely, however, some additional -information will be needed. - - For example, with each entry in the hash table the a.out linker -keeps the index the symbol has in the final output file (this index -number is used so that when doing a relocatable link the symbol index -used in the output file can be quickly filled in when copying over a -reloc). The a.out linker code defines the required structures and -functions for a hash table derived from `struct bfd_link_hash_table'. -The a.out linker hash table is created by the function -`NAME(aout,link_hash_table_create)'; it simply allocates space for the -hash table, initializes it, and returns a pointer to it. - - When writing the linker routines for a new back end, you will -generally not know exactly which fields will be required until you have -finished. You should simply create a new hash table which defines no -additional fields, and then simply add fields as they become necessary. - - -File: bfd.info, Node: Adding Symbols to the Hash Table, Next: Performing the Final Link, Prev: Creating a Linker Hash Table, Up: Linker Functions - -2.17.2 Adding symbols to the hash table ---------------------------------------- - -The linker proper will call the `_bfd_link_add_symbols' entry point for -each object file or archive which is to be linked (typically these are -the files named on the command line, but some may also come from the -linker script). The entry point is responsible for examining the file. -For an object file, BFD must add any relevant symbol information to -the hash table. For an archive, BFD must determine which elements of -the archive should be used and adding them to the link. - - The a.out version of this entry point is -`NAME(aout,link_add_symbols)'. - -* Menu: - -* Differing file formats:: -* Adding symbols from an object file:: -* Adding symbols from an archive:: - - -File: bfd.info, Node: Differing file formats, Next: Adding symbols from an object file, Prev: Adding Symbols to the Hash Table, Up: Adding Symbols to the Hash Table - -2.17.2.1 Differing file formats -............................... - -Normally all the files involved in a link will be of the same format, -but it is also possible to link together different format object files, -and the back end must support that. The `_bfd_link_add_symbols' entry -point is called via the target vector of the file to be added. This -has an important consequence: the function may not assume that the hash -table is the type created by the corresponding -`_bfd_link_hash_table_create' vector. All the `_bfd_link_add_symbols' -function can assume about the hash table is that it is derived from -`struct bfd_link_hash_table'. - - Sometimes the `_bfd_link_add_symbols' function must store some -information in the hash table entry to be used by the `_bfd_final_link' -function. In such a case the output bfd xvec must be checked to make -sure that the hash table was created by an object file of the same -format. - - The `_bfd_final_link' routine must be prepared to handle a hash -entry without any extra information added by the -`_bfd_link_add_symbols' function. A hash entry without extra -information will also occur when the linker script directs the linker -to create a symbol. Note that, regardless of how a hash table entry is -added, all the fields will be initialized to some sort of null value by -the hash table entry initialization function. - - See `ecoff_link_add_externals' for an example of how to check the -output bfd before saving information (in this case, the ECOFF external -symbol debugging information) in a hash table entry. - - -File: bfd.info, Node: Adding symbols from an object file, Next: Adding symbols from an archive, Prev: Differing file formats, Up: Adding Symbols to the Hash Table - -2.17.2.2 Adding symbols from an object file -........................................... - -When the `_bfd_link_add_symbols' routine is passed an object file, it -must add all externally visible symbols in that object file to the hash -table. The actual work of adding the symbol to the hash table is -normally handled by the function `_bfd_generic_link_add_one_symbol'. -The `_bfd_link_add_symbols' routine is responsible for reading all the -symbols from the object file and passing the correct information to -`_bfd_generic_link_add_one_symbol'. - - The `_bfd_link_add_symbols' routine should not use -`bfd_canonicalize_symtab' to read the symbols. The point of providing -this routine is to avoid the overhead of converting the symbols into -generic `asymbol' structures. - - `_bfd_generic_link_add_one_symbol' handles the details of combining -common symbols, warning about multiple definitions, and so forth. It -takes arguments which describe the symbol to add, notably symbol flags, -a section, and an offset. The symbol flags include such things as -`BSF_WEAK' or `BSF_INDIRECT'. The section is a section in the object -file, or something like `bfd_und_section_ptr' for an undefined symbol -or `bfd_com_section_ptr' for a common symbol. - - If the `_bfd_final_link' routine is also going to need to read the -symbol information, the `_bfd_link_add_symbols' routine should save it -somewhere attached to the object file BFD. However, the information -should only be saved if the `keep_memory' field of the `info' argument -is TRUE, so that the `-no-keep-memory' linker switch is effective. - - The a.out function which adds symbols from an object file is -`aout_link_add_object_symbols', and most of the interesting work is in -`aout_link_add_symbols'. The latter saves pointers to the hash tables -entries created by `_bfd_generic_link_add_one_symbol' indexed by symbol -number, so that the `_bfd_final_link' routine does not have to call the -hash table lookup routine to locate the entry. - - -File: bfd.info, Node: Adding symbols from an archive, Prev: Adding symbols from an object file, Up: Adding Symbols to the Hash Table - -2.17.2.3 Adding symbols from an archive -....................................... - -When the `_bfd_link_add_symbols' routine is passed an archive, it must -look through the symbols defined by the archive and decide which -elements of the archive should be included in the link. For each such -element it must call the `add_archive_element' linker callback, and it -must add the symbols from the object file to the linker hash table. - - In most cases the work of looking through the symbols in the archive -should be done by the `_bfd_generic_link_add_archive_symbols' function. -This function builds a hash table from the archive symbol table and -looks through the list of undefined symbols to see which elements -should be included. `_bfd_generic_link_add_archive_symbols' is passed -a function to call to make the final decision about adding an archive -element to the link and to do the actual work of adding the symbols to -the linker hash table. - - The function passed to `_bfd_generic_link_add_archive_symbols' must -read the symbols of the archive element and decide whether the archive -element should be included in the link. If the element is to be -included, the `add_archive_element' linker callback routine must be -called with the element as an argument, and the elements symbols must -be added to the linker hash table just as though the element had itself -been passed to the `_bfd_link_add_symbols' function. - - When the a.out `_bfd_link_add_symbols' function receives an archive, -it calls `_bfd_generic_link_add_archive_symbols' passing -`aout_link_check_archive_element' as the function argument. -`aout_link_check_archive_element' calls `aout_link_check_ar_symbols'. -If the latter decides to add the element (an element is only added if -it provides a real, non-common, definition for a previously undefined -or common symbol) it calls the `add_archive_element' callback and then -`aout_link_check_archive_element' calls `aout_link_add_symbols' to -actually add the symbols to the linker hash table. - - The ECOFF back end is unusual in that it does not normally call -`_bfd_generic_link_add_archive_symbols', because ECOFF archives already -contain a hash table of symbols. The ECOFF back end searches the -archive itself to avoid the overhead of creating a new hash table. - - -File: bfd.info, Node: Performing the Final Link, Prev: Adding Symbols to the Hash Table, Up: Linker Functions - -2.17.3 Performing the final link --------------------------------- - -When all the input files have been processed, the linker calls the -`_bfd_final_link' entry point of the output BFD. This routine is -responsible for producing the final output file, which has several -aspects. It must relocate the contents of the input sections and copy -the data into the output sections. It must build an output symbol -table including any local symbols from the input files and the global -symbols from the hash table. When producing relocatable output, it must -modify the input relocs and write them into the output file. There may -also be object format dependent work to be done. - - The linker will also call the `write_object_contents' entry point -when the BFD is closed. The two entry points must work together in -order to produce the correct output file. - - The details of how this works are inevitably dependent upon the -specific object file format. The a.out `_bfd_final_link' routine is -`NAME(aout,final_link)'. - -* Menu: - -* Information provided by the linker:: -* Relocating the section contents:: -* Writing the symbol table:: - - -File: bfd.info, Node: Information provided by the linker, Next: Relocating the section contents, Prev: Performing the Final Link, Up: Performing the Final Link - -2.17.3.1 Information provided by the linker -........................................... - -Before the linker calls the `_bfd_final_link' entry point, it sets up -some data structures for the function to use. - - The `input_bfds' field of the `bfd_link_info' structure will point -to a list of all the input files included in the link. These files are -linked through the `link_next' field of the `bfd' structure. - - Each section in the output file will have a list of `link_order' -structures attached to the `map_head.link_order' field (the -`link_order' structure is defined in `bfdlink.h'). These structures -describe how to create the contents of the output section in terms of -the contents of various input sections, fill constants, and, -eventually, other types of information. They also describe relocs that -must be created by the BFD backend, but do not correspond to any input -file; this is used to support -Ur, which builds constructors while -generating a relocatable object file. - - -File: bfd.info, Node: Relocating the section contents, Next: Writing the symbol table, Prev: Information provided by the linker, Up: Performing the Final Link - -2.17.3.2 Relocating the section contents -........................................ - -The `_bfd_final_link' function should look through the `link_order' -structures attached to each section of the output file. Each -`link_order' structure should either be handled specially, or it should -be passed to the function `_bfd_default_link_order' which will do the -right thing (`_bfd_default_link_order' is defined in `linker.c'). - - For efficiency, a `link_order' of type `bfd_indirect_link_order' -whose associated section belongs to a BFD of the same format as the -output BFD must be handled specially. This type of `link_order' -describes part of an output section in terms of a section belonging to -one of the input files. The `_bfd_final_link' function should read the -contents of the section and any associated relocs, apply the relocs to -the section contents, and write out the modified section contents. If -performing a relocatable link, the relocs themselves must also be -modified and written out. - - The functions `_bfd_relocate_contents' and -`_bfd_final_link_relocate' provide some general support for performing -the actual relocations, notably overflow checking. Their arguments -include information about the symbol the relocation is against and a -`reloc_howto_type' argument which describes the relocation to perform. -These functions are defined in `reloc.c'. - - The a.out function which handles reading, relocating, and writing -section contents is `aout_link_input_section'. The actual relocation -is done in `aout_link_input_section_std' and -`aout_link_input_section_ext'. - - -File: bfd.info, Node: Writing the symbol table, Prev: Relocating the section contents, Up: Performing the Final Link - -2.17.3.3 Writing the symbol table -................................. - -The `_bfd_final_link' function must gather all the symbols in the input -files and write them out. It must also write out all the symbols in -the global hash table. This must be controlled by the `strip' and -`discard' fields of the `bfd_link_info' structure. - - The local symbols of the input files will not have been entered into -the linker hash table. The `_bfd_final_link' routine must consider -each input file and include the symbols in the output file. It may be -convenient to do this when looking through the `link_order' structures, -or it may be done by stepping through the `input_bfds' list. - - The `_bfd_final_link' routine must also traverse the global hash -table to gather all the externally visible symbols. It is possible -that most of the externally visible symbols may be written out when -considering the symbols of each input file, but it is still necessary -to traverse the hash table since the linker script may have defined -some symbols that are not in any of the input files. - - The `strip' field of the `bfd_link_info' structure controls which -symbols are written out. The possible values are listed in -`bfdlink.h'. If the value is `strip_some', then the `keep_hash' field -of the `bfd_link_info' structure is a hash table of symbols to keep; -each symbol should be looked up in this hash table, and only symbols -which are present should be included in the output file. - - If the `strip' field of the `bfd_link_info' structure permits local -symbols to be written out, the `discard' field is used to further -controls which local symbols are included in the output file. If the -value is `discard_l', then all local symbols which begin with a certain -prefix are discarded; this is controlled by the -`bfd_is_local_label_name' entry point. - - The a.out backend handles symbols by calling -`aout_link_write_symbols' on each input BFD and then traversing the -global hash table with the function `aout_link_write_other_symbol'. It -builds a string table while writing out the symbols, which is written -to the output file at the end of `NAME(aout,final_link)'. - -2.17.3.4 `bfd_link_split_section' -................................. - -*Synopsis* - bfd_boolean bfd_link_split_section (bfd *abfd, asection *sec); - *Description* -Return nonzero if SEC should be split during a reloceatable or final -link. - #define bfd_link_split_section(abfd, sec) \ - BFD_SEND (abfd, _bfd_link_split_section, (abfd, sec)) - -2.17.3.5 `bfd_section_already_linked' -..................................... - -*Synopsis* - void bfd_section_already_linked (bfd *abfd, asection *sec, - struct bfd_link_info *info); - *Description* -Check if SEC has been already linked during a reloceatable or final -link. - #define bfd_section_already_linked(abfd, sec, info) \ - BFD_SEND (abfd, _section_already_linked, (abfd, sec, info)) - -2.17.3.6 `bfd_generic_define_common_symbol' -........................................... - -*Synopsis* - bfd_boolean bfd_generic_define_common_symbol - (bfd *output_bfd, struct bfd_link_info *info, - struct bfd_link_hash_entry *h); - *Description* -Convert common symbol H into a defined symbol. Return TRUE on success -and FALSE on failure. - #define bfd_define_common_symbol(output_bfd, info, h) \ - BFD_SEND (output_bfd, _bfd_define_common_symbol, (output_bfd, info, h)) - -2.17.3.7 `bfd_find_version_for_sym ' -.................................... - -*Synopsis* - struct bfd_elf_version_tree * bfd_find_version_for_sym - (struct bfd_elf_version_tree *verdefs, - const char *sym_name, bfd_boolean *hide); - *Description* -Search an elf version script tree for symbol versioning info and export -/ don't-export status for a given symbol. Return non-NULL on success -and NULL on failure; also sets the output `hide' boolean parameter. - - -File: bfd.info, Node: Hash Tables, Prev: Linker Functions, Up: BFD front end - -2.18 Hash Tables -================ - -BFD provides a simple set of hash table functions. Routines are -provided to initialize a hash table, to free a hash table, to look up a -string in a hash table and optionally create an entry for it, and to -traverse a hash table. There is currently no routine to delete an -string from a hash table. - - The basic hash table does not permit any data to be stored with a -string. However, a hash table is designed to present a base class from -which other types of hash tables may be derived. These derived types -may store additional information with the string. Hash tables were -implemented in this way, rather than simply providing a data pointer in -a hash table entry, because they were designed for use by the linker -back ends. The linker may create thousands of hash table entries, and -the overhead of allocating private data and storing and following -pointers becomes noticeable. - - The basic hash table code is in `hash.c'. - -* Menu: - -* Creating and Freeing a Hash Table:: -* Looking Up or Entering a String:: -* Traversing a Hash Table:: -* Deriving a New Hash Table Type:: - - -File: bfd.info, Node: Creating and Freeing a Hash Table, Next: Looking Up or Entering a String, Prev: Hash Tables, Up: Hash Tables - -2.18.1 Creating and freeing a hash table ----------------------------------------- - -To create a hash table, create an instance of a `struct bfd_hash_table' -(defined in `bfd.h') and call `bfd_hash_table_init' (if you know -approximately how many entries you will need, the function -`bfd_hash_table_init_n', which takes a SIZE argument, may be used). -`bfd_hash_table_init' returns `FALSE' if some sort of error occurs. - - The function `bfd_hash_table_init' take as an argument a function to -use to create new entries. For a basic hash table, use the function -`bfd_hash_newfunc'. *Note Deriving a New Hash Table Type::, for why -you would want to use a different value for this argument. - - `bfd_hash_table_init' will create an objalloc which will be used to -allocate new entries. You may allocate memory on this objalloc using -`bfd_hash_allocate'. - - Use `bfd_hash_table_free' to free up all the memory that has been -allocated for a hash table. This will not free up the `struct -bfd_hash_table' itself, which you must provide. - - Use `bfd_hash_set_default_size' to set the default size of hash -table to use. - - -File: bfd.info, Node: Looking Up or Entering a String, Next: Traversing a Hash Table, Prev: Creating and Freeing a Hash Table, Up: Hash Tables - -2.18.2 Looking up or entering a string --------------------------------------- - -The function `bfd_hash_lookup' is used both to look up a string in the -hash table and to create a new entry. - - If the CREATE argument is `FALSE', `bfd_hash_lookup' will look up a -string. If the string is found, it will returns a pointer to a `struct -bfd_hash_entry'. If the string is not found in the table -`bfd_hash_lookup' will return `NULL'. You should not modify any of the -fields in the returns `struct bfd_hash_entry'. - - If the CREATE argument is `TRUE', the string will be entered into -the hash table if it is not already there. Either way a pointer to a -`struct bfd_hash_entry' will be returned, either to the existing -structure or to a newly created one. In this case, a `NULL' return -means that an error occurred. - - If the CREATE argument is `TRUE', and a new entry is created, the -COPY argument is used to decide whether to copy the string onto the -hash table objalloc or not. If COPY is passed as `FALSE', you must be -careful not to deallocate or modify the string as long as the hash table -exists. - - -File: bfd.info, Node: Traversing a Hash Table, Next: Deriving a New Hash Table Type, Prev: Looking Up or Entering a String, Up: Hash Tables - -2.18.3 Traversing a hash table ------------------------------- - -The function `bfd_hash_traverse' may be used to traverse a hash table, -calling a function on each element. The traversal is done in a random -order. - - `bfd_hash_traverse' takes as arguments a function and a generic -`void *' pointer. The function is called with a hash table entry (a -`struct bfd_hash_entry *') and the generic pointer passed to -`bfd_hash_traverse'. The function must return a `boolean' value, which -indicates whether to continue traversing the hash table. If the -function returns `FALSE', `bfd_hash_traverse' will stop the traversal -and return immediately. - - -File: bfd.info, Node: Deriving a New Hash Table Type, Prev: Traversing a Hash Table, Up: Hash Tables - -2.18.4 Deriving a new hash table type -------------------------------------- - -Many uses of hash tables want to store additional information which -each entry in the hash table. Some also find it convenient to store -additional information with the hash table itself. This may be done -using a derived hash table. - - Since C is not an object oriented language, creating a derived hash -table requires sticking together some boilerplate routines with a few -differences specific to the type of hash table you want to create. - - An example of a derived hash table is the linker hash table. The -structures for this are defined in `bfdlink.h'. The functions are in -`linker.c'. - - You may also derive a hash table from an already derived hash table. -For example, the a.out linker backend code uses a hash table derived -from the linker hash table. - -* Menu: - -* Define the Derived Structures:: -* Write the Derived Creation Routine:: -* Write Other Derived Routines:: - - -File: bfd.info, Node: Define the Derived Structures, Next: Write the Derived Creation Routine, Prev: Deriving a New Hash Table Type, Up: Deriving a New Hash Table Type - -2.18.4.1 Define the derived structures -...................................... - -You must define a structure for an entry in the hash table, and a -structure for the hash table itself. - - The first field in the structure for an entry in the hash table must -be of the type used for an entry in the hash table you are deriving -from. If you are deriving from a basic hash table this is `struct -bfd_hash_entry', which is defined in `bfd.h'. The first field in the -structure for the hash table itself must be of the type of the hash -table you are deriving from itself. If you are deriving from a basic -hash table, this is `struct bfd_hash_table'. - - For example, the linker hash table defines `struct -bfd_link_hash_entry' (in `bfdlink.h'). The first field, `root', is of -type `struct bfd_hash_entry'. Similarly, the first field in `struct -bfd_link_hash_table', `table', is of type `struct bfd_hash_table'. - - -File: bfd.info, Node: Write the Derived Creation Routine, Next: Write Other Derived Routines, Prev: Define the Derived Structures, Up: Deriving a New Hash Table Type - -2.18.4.2 Write the derived creation routine -........................................... - -You must write a routine which will create and initialize an entry in -the hash table. This routine is passed as the function argument to -`bfd_hash_table_init'. - - In order to permit other hash tables to be derived from the hash -table you are creating, this routine must be written in a standard way. - - The first argument to the creation routine is a pointer to a hash -table entry. This may be `NULL', in which case the routine should -allocate the right amount of space. Otherwise the space has already -been allocated by a hash table type derived from this one. - - After allocating space, the creation routine must call the creation -routine of the hash table type it is derived from, passing in a pointer -to the space it just allocated. This will initialize any fields used -by the base hash table. - - Finally the creation routine must initialize any local fields for -the new hash table type. - - Here is a boilerplate example of a creation routine. FUNCTION_NAME -is the name of the routine. ENTRY_TYPE is the type of an entry in the -hash table you are creating. BASE_NEWFUNC is the name of the creation -routine of the hash table type your hash table is derived from. - - struct bfd_hash_entry * - FUNCTION_NAME (struct bfd_hash_entry *entry, - struct bfd_hash_table *table, - const char *string) - { - struct ENTRY_TYPE *ret = (ENTRY_TYPE *) entry; - - /* Allocate the structure if it has not already been allocated by a - derived class. */ - if (ret == NULL) - { - ret = bfd_hash_allocate (table, sizeof (* ret)); - if (ret == NULL) - return NULL; - } - - /* Call the allocation method of the base class. */ - ret = ((ENTRY_TYPE *) - BASE_NEWFUNC ((struct bfd_hash_entry *) ret, table, string)); - - /* Initialize the local fields here. */ - - return (struct bfd_hash_entry *) ret; - } - *Description* -The creation routine for the linker hash table, which is in `linker.c', -looks just like this example. FUNCTION_NAME is -`_bfd_link_hash_newfunc'. ENTRY_TYPE is `struct bfd_link_hash_entry'. -BASE_NEWFUNC is `bfd_hash_newfunc', the creation routine for a basic -hash table. - - `_bfd_link_hash_newfunc' also initializes the local fields in a -linker hash table entry: `type', `written' and `next'. - - -File: bfd.info, Node: Write Other Derived Routines, Prev: Write the Derived Creation Routine, Up: Deriving a New Hash Table Type - -2.18.4.3 Write other derived routines -..................................... - -You will want to write other routines for your new hash table, as well. - - You will want an initialization routine which calls the -initialization routine of the hash table you are deriving from and -initializes any other local fields. For the linker hash table, this is -`_bfd_link_hash_table_init' in `linker.c'. - - You will want a lookup routine which calls the lookup routine of the -hash table you are deriving from and casts the result. The linker hash -table uses `bfd_link_hash_lookup' in `linker.c' (this actually takes an -additional argument which it uses to decide how to return the looked up -value). - - You may want a traversal routine. This should just call the -traversal routine of the hash table you are deriving from with -appropriate casts. The linker hash table uses `bfd_link_hash_traverse' -in `linker.c'. - - These routines may simply be defined as macros. For example, the -a.out backend linker hash table, which is derived from the linker hash -table, uses macros for the lookup and traversal routines. These are -`aout_link_hash_lookup' and `aout_link_hash_traverse' in aoutx.h. - - -File: bfd.info, Node: BFD back ends, Next: GNU Free Documentation License, Prev: BFD front end, Up: Top - -3 BFD back ends -*************** - -* Menu: - -* What to Put Where:: -* aout :: a.out backends -* coff :: coff backends -* elf :: elf backends -* mmo :: mmo backend - - -File: bfd.info, Node: What to Put Where, Next: aout, Prev: BFD back ends, Up: BFD back ends - -3.1 What to Put Where -===================== - -All of BFD lives in one directory. - - -File: bfd.info, Node: aout, Next: coff, Prev: What to Put Where, Up: BFD back ends - -3.2 a.out backends -================== - -*Description* -BFD supports a number of different flavours of a.out format, though the -major differences are only the sizes of the structures on disk, and the -shape of the relocation information. - - The support is split into a basic support file `aoutx.h' and other -files which derive functions from the base. One derivation file is -`aoutf1.h' (for a.out flavour 1), and adds to the basic a.out functions -support for sun3, sun4, 386 and 29k a.out files, to create a target -jump vector for a specific target. - - This information is further split out into more specific files for -each machine, including `sunos.c' for sun3 and sun4, `newsos3.c' for -the Sony NEWS, and `demo64.c' for a demonstration of a 64 bit a.out -format. - - The base file `aoutx.h' defines general mechanisms for reading and -writing records to and from disk and various other methods which BFD -requires. It is included by `aout32.c' and `aout64.c' to form the names -`aout_32_swap_exec_header_in', `aout_64_swap_exec_header_in', etc. - - As an example, this is what goes on to make the back end for a sun4, -from `aout32.c': - - #define ARCH_SIZE 32 - #include "aoutx.h" - - Which exports names: - - ... - aout_32_canonicalize_reloc - aout_32_find_nearest_line - aout_32_get_lineno - aout_32_get_reloc_upper_bound - ... - - from `sunos.c': - - #define TARGET_NAME "a.out-sunos-big" - #define VECNAME sunos_big_vec - #include "aoutf1.h" - - requires all the names from `aout32.c', and produces the jump vector - - sunos_big_vec - - The file `host-aout.c' is a special case. It is for a large set of -hosts that use "more or less standard" a.out files, and for which -cross-debugging is not interesting. It uses the standard 32-bit a.out -support routines, but determines the file offsets and addresses of the -text, data, and BSS sections, the machine architecture and machine -type, and the entry point address, in a host-dependent manner. Once -these values have been determined, generic code is used to handle the -object file. - - When porting it to run on a new system, you must supply: - - HOST_PAGE_SIZE - HOST_SEGMENT_SIZE - HOST_MACHINE_ARCH (optional) - HOST_MACHINE_MACHINE (optional) - HOST_TEXT_START_ADDR - HOST_STACK_END_ADDR - - in the file `../include/sys/h-XXX.h' (for your host). These values, -plus the structures and macros defined in `a.out.h' on your host -system, will produce a BFD target that will access ordinary a.out files -on your host. To configure a new machine to use `host-aout.c', specify: - - TDEFAULTS = -DDEFAULT_VECTOR=host_aout_big_vec - TDEPFILES= host-aout.o trad-core.o - - in the `config/XXX.mt' file, and modify `configure.in' to use the -`XXX.mt' file (by setting "`bfd_target=XXX'") when your configuration -is selected. - -3.2.1 Relocations ------------------ - -*Description* -The file `aoutx.h' provides for both the _standard_ and _extended_ -forms of a.out relocation records. - - The standard records contain only an address, a symbol index, and a -type field. The extended records (used on 29ks and sparcs) also have a -full integer for an addend. - -3.2.2 Internal entry points ---------------------------- - -*Description* -`aoutx.h' exports several routines for accessing the contents of an -a.out file, which are gathered and exported in turn by various format -specific files (eg sunos.c). - -3.2.2.1 `aout_SIZE_swap_exec_header_in' -....................................... - -*Synopsis* - void aout_SIZE_swap_exec_header_in, - (bfd *abfd, - struct external_exec *bytes, - struct internal_exec *execp); - *Description* -Swap the information in an executable header RAW_BYTES taken from a raw -byte stream memory image into the internal exec header structure EXECP. - -3.2.2.2 `aout_SIZE_swap_exec_header_out' -........................................ - -*Synopsis* - void aout_SIZE_swap_exec_header_out - (bfd *abfd, - struct internal_exec *execp, - struct external_exec *raw_bytes); - *Description* -Swap the information in an internal exec header structure EXECP into -the buffer RAW_BYTES ready for writing to disk. - -3.2.2.3 `aout_SIZE_some_aout_object_p' -...................................... - -*Synopsis* - const bfd_target *aout_SIZE_some_aout_object_p - (bfd *abfd, - struct internal_exec *execp, - const bfd_target *(*callback_to_real_object_p) (bfd *)); - *Description* -Some a.out variant thinks that the file open in ABFD checking is an -a.out file. Do some more checking, and set up for access if it really -is. Call back to the calling environment's "finish up" function just -before returning, to handle any last-minute setup. - -3.2.2.4 `aout_SIZE_mkobject' -............................ - -*Synopsis* - bfd_boolean aout_SIZE_mkobject, (bfd *abfd); - *Description* -Initialize BFD ABFD for use with a.out files. - -3.2.2.5 `aout_SIZE_machine_type' -................................ - -*Synopsis* - enum machine_type aout_SIZE_machine_type - (enum bfd_architecture arch, - unsigned long machine, - bfd_boolean *unknown); - *Description* -Keep track of machine architecture and machine type for a.out's. Return -the `machine_type' for a particular architecture and machine, or -`M_UNKNOWN' if that exact architecture and machine can't be represented -in a.out format. - - If the architecture is understood, machine type 0 (default) is -always understood. - -3.2.2.6 `aout_SIZE_set_arch_mach' -................................. - -*Synopsis* - bfd_boolean aout_SIZE_set_arch_mach, - (bfd *, - enum bfd_architecture arch, - unsigned long machine); - *Description* -Set the architecture and the machine of the BFD ABFD to the values ARCH -and MACHINE. Verify that ABFD's format can support the architecture -required. - -3.2.2.7 `aout_SIZE_new_section_hook' -.................................... - -*Synopsis* - bfd_boolean aout_SIZE_new_section_hook, - (bfd *abfd, - asection *newsect); - *Description* -Called by the BFD in response to a `bfd_make_section' request. - - -File: bfd.info, Node: coff, Next: elf, Prev: aout, Up: BFD back ends - -3.3 coff backends -================= - -BFD supports a number of different flavours of coff format. The major -differences between formats are the sizes and alignments of fields in -structures on disk, and the occasional extra field. - - Coff in all its varieties is implemented with a few common files and -a number of implementation specific files. For example, The 88k bcs -coff format is implemented in the file `coff-m88k.c'. This file -`#include's `coff/m88k.h' which defines the external structure of the -coff format for the 88k, and `coff/internal.h' which defines the -internal structure. `coff-m88k.c' also defines the relocations used by -the 88k format *Note Relocations::. - - The Intel i960 processor version of coff is implemented in -`coff-i960.c'. This file has the same structure as `coff-m88k.c', -except that it includes `coff/i960.h' rather than `coff-m88k.h'. - -3.3.1 Porting to a new version of coff --------------------------------------- - -The recommended method is to select from the existing implementations -the version of coff which is most like the one you want to use. For -example, we'll say that i386 coff is the one you select, and that your -coff flavour is called foo. Copy `i386coff.c' to `foocoff.c', copy -`../include/coff/i386.h' to `../include/coff/foo.h', and add the lines -to `targets.c' and `Makefile.in' so that your new back end is used. -Alter the shapes of the structures in `../include/coff/foo.h' so that -they match what you need. You will probably also have to add `#ifdef's -to the code in `coff/internal.h' and `coffcode.h' if your version of -coff is too wild. - - You can verify that your new BFD backend works quite simply by -building `objdump' from the `binutils' directory, and making sure that -its version of what's going on and your host system's idea (assuming it -has the pretty standard coff dump utility, usually called `att-dump' or -just `dump') are the same. Then clean up your code, and send what -you've done to Cygnus. Then your stuff will be in the next release, and -you won't have to keep integrating it. - -3.3.2 How the coff backend works --------------------------------- - -3.3.2.1 File layout -................... - -The Coff backend is split into generic routines that are applicable to -any Coff target and routines that are specific to a particular target. -The target-specific routines are further split into ones which are -basically the same for all Coff targets except that they use the -external symbol format or use different values for certain constants. - - The generic routines are in `coffgen.c'. These routines work for -any Coff target. They use some hooks into the target specific code; -the hooks are in a `bfd_coff_backend_data' structure, one of which -exists for each target. - - The essentially similar target-specific routines are in -`coffcode.h'. This header file includes executable C code. The -various Coff targets first include the appropriate Coff header file, -make any special defines that are needed, and then include `coffcode.h'. - - Some of the Coff targets then also have additional routines in the -target source file itself. - - For example, `coff-i960.c' includes `coff/internal.h' and -`coff/i960.h'. It then defines a few constants, such as `I960', and -includes `coffcode.h'. Since the i960 has complex relocation types, -`coff-i960.c' also includes some code to manipulate the i960 relocs. -This code is not in `coffcode.h' because it would not be used by any -other target. - -3.3.2.2 Coff long section names -............................... - -In the standard Coff object format, section names are limited to the -eight bytes available in the `s_name' field of the `SCNHDR' section -header structure. The format requires the field to be NUL-padded, but -not necessarily NUL-terminated, so the longest section names permitted -are a full eight characters. - - The Microsoft PE variants of the Coff object file format add an -extension to support the use of long section names. This extension is -defined in section 4 of the Microsoft PE/COFF specification (rev 8.1). -If a section name is too long to fit into the section header's `s_name' -field, it is instead placed into the string table, and the `s_name' -field is filled with a slash ("/") followed by the ASCII decimal -representation of the offset of the full name relative to the string -table base. - - Note that this implies that the extension can only be used in object -files, as executables do not contain a string table. The standard -specifies that long section names from objects emitted into executable -images are to be truncated. - - However, as a GNU extension, BFD can generate executable images that -contain a string table and long section names. This would appear to be -technically valid, as the standard only says that Coff debugging -information is deprecated, not forbidden, and in practice it works, -although some tools that parse PE files expecting the MS standard -format may become confused; `PEview' is one known example. - - The functionality is supported in BFD by code implemented under the -control of the macro `COFF_LONG_SECTION_NAMES'. If not defined, the -format does not support long section names in any way. If defined, it -is used to initialise a flag, `_bfd_coff_long_section_names', and a -hook function pointer, `_bfd_coff_set_long_section_names', in the Coff -backend data structure. The flag controls the generation of long -section names in output BFDs at runtime; if it is false, as it will be -by default when generating an executable image, long section names are -truncated; if true, the long section names extension is employed. The -hook points to a function that allows the value of the flag to be -altered at runtime, on formats that support long section names at all; -on other formats it points to a stub that returns an error indication. -With input BFDs, the flag is set according to whether any long section -names are detected while reading the section headers. For a completely -new BFD, the flag is set to the default for the target format. This -information can be used by a client of the BFD library when deciding -what output format to generate, and means that a BFD that is opened for -read and subsequently converted to a writeable BFD and modified -in-place will retain whatever format it had on input. - - If `COFF_LONG_SECTION_NAMES' is simply defined (blank), or is -defined to the value "1", then long section names are enabled by -default; if it is defined to the value zero, they are disabled by -default (but still accepted in input BFDs). The header `coffcode.h' -defines a macro, `COFF_DEFAULT_LONG_SECTION_NAMES', which is used in -the backends to initialise the backend data structure fields -appropriately; see the comments for further detail. - -3.3.2.3 Bit twiddling -..................... - -Each flavour of coff supported in BFD has its own header file -describing the external layout of the structures. There is also an -internal description of the coff layout, in `coff/internal.h'. A major -function of the coff backend is swapping the bytes and twiddling the -bits to translate the external form of the structures into the normal -internal form. This is all performed in the `bfd_swap'_thing_direction -routines. Some elements are different sizes between different versions -of coff; it is the duty of the coff version specific include file to -override the definitions of various packing routines in `coffcode.h'. -E.g., the size of line number entry in coff is sometimes 16 bits, and -sometimes 32 bits. `#define'ing `PUT_LNSZ_LNNO' and `GET_LNSZ_LNNO' -will select the correct one. No doubt, some day someone will find a -version of coff which has a varying field size not catered to at the -moment. To port BFD, that person will have to add more `#defines'. -Three of the bit twiddling routines are exported to `gdb'; -`coff_swap_aux_in', `coff_swap_sym_in' and `coff_swap_lineno_in'. `GDB' -reads the symbol table on its own, but uses BFD to fix things up. More -of the bit twiddlers are exported for `gas'; `coff_swap_aux_out', -`coff_swap_sym_out', `coff_swap_lineno_out', `coff_swap_reloc_out', -`coff_swap_filehdr_out', `coff_swap_aouthdr_out', -`coff_swap_scnhdr_out'. `Gas' currently keeps track of all the symbol -table and reloc drudgery itself, thereby saving the internal BFD -overhead, but uses BFD to swap things on the way out, making cross -ports much safer. Doing so also allows BFD (and thus the linker) to -use the same header files as `gas', which makes one avenue to disaster -disappear. - -3.3.2.4 Symbol reading -...................... - -The simple canonical form for symbols used by BFD is not rich enough to -keep all the information available in a coff symbol table. The back end -gets around this problem by keeping the original symbol table around, -"behind the scenes". - - When a symbol table is requested (through a call to -`bfd_canonicalize_symtab'), a request gets through to -`coff_get_normalized_symtab'. This reads the symbol table from the coff -file and swaps all the structures inside into the internal form. It -also fixes up all the pointers in the table (represented in the file by -offsets from the first symbol in the table) into physical pointers to -elements in the new internal table. This involves some work since the -meanings of fields change depending upon context: a field that is a -pointer to another structure in the symbol table at one moment may be -the size in bytes of a structure at the next. Another pass is made -over the table. All symbols which mark file names (`C_FILE' symbols) -are modified so that the internal string points to the value in the -auxent (the real filename) rather than the normal text associated with -the symbol (`".file"'). - - At this time the symbol names are moved around. Coff stores all -symbols less than nine characters long physically within the symbol -table; longer strings are kept at the end of the file in the string -table. This pass moves all strings into memory and replaces them with -pointers to the strings. - - The symbol table is massaged once again, this time to create the -canonical table used by the BFD application. Each symbol is inspected -in turn, and a decision made (using the `sclass' field) about the -various flags to set in the `asymbol'. *Note Symbols::. The generated -canonical table shares strings with the hidden internal symbol table. - - Any linenumbers are read from the coff file too, and attached to the -symbols which own the functions the linenumbers belong to. - -3.3.2.5 Symbol writing -...................... - -Writing a symbol to a coff file which didn't come from a coff file will -lose any debugging information. The `asymbol' structure remembers the -BFD from which the symbol was taken, and on output the back end makes -sure that the same destination target as source target is present. - - When the symbols have come from a coff file then all the debugging -information is preserved. - - Symbol tables are provided for writing to the back end in a vector -of pointers to pointers. This allows applications like the linker to -accumulate and output large symbol tables without having to do too much -byte copying. - - This function runs through the provided symbol table and patches -each symbol marked as a file place holder (`C_FILE') to point to the -next file place holder in the list. It also marks each `offset' field -in the list with the offset from the first symbol of the current symbol. - - Another function of this procedure is to turn the canonical value -form of BFD into the form used by coff. Internally, BFD expects symbol -values to be offsets from a section base; so a symbol physically at -0x120, but in a section starting at 0x100, would have the value 0x20. -Coff expects symbols to contain their final value, so symbols have -their values changed at this point to reflect their sum with their -owning section. This transformation uses the `output_section' field of -the `asymbol''s `asection' *Note Sections::. - - * `coff_mangle_symbols' - This routine runs though the provided symbol table and uses the -offsets generated by the previous pass and the pointers generated when -the symbol table was read in to create the structured hierarchy -required by coff. It changes each pointer to a symbol into the index -into the symbol table of the asymbol. - - * `coff_write_symbols' - This routine runs through the symbol table and patches up the -symbols from their internal form into the coff way, calls the bit -twiddlers, and writes out the table to the file. - -3.3.2.6 `coff_symbol_type' -.......................... - -*Description* -The hidden information for an `asymbol' is described in a -`combined_entry_type': - - - typedef struct coff_ptr_struct - { - /* Remembers the offset from the first symbol in the file for - this symbol. Generated by coff_renumber_symbols. */ - unsigned int offset; - - /* Should the value of this symbol be renumbered. Used for - XCOFF C_BSTAT symbols. Set by coff_slurp_symbol_table. */ - unsigned int fix_value : 1; - - /* Should the tag field of this symbol be renumbered. - Created by coff_pointerize_aux. */ - unsigned int fix_tag : 1; - - /* Should the endidx field of this symbol be renumbered. - Created by coff_pointerize_aux. */ - unsigned int fix_end : 1; - - /* Should the x_csect.x_scnlen field be renumbered. - Created by coff_pointerize_aux. */ - unsigned int fix_scnlen : 1; - - /* Fix up an XCOFF C_BINCL/C_EINCL symbol. The value is the - index into the line number entries. Set by coff_slurp_symbol_table. */ - unsigned int fix_line : 1; - - /* The container for the symbol structure as read and translated - from the file. */ - union - { - union internal_auxent auxent; - struct internal_syment syment; - } u; - } combined_entry_type; - - - /* Each canonical asymbol really looks like this: */ - - typedef struct coff_symbol_struct - { - /* The actual symbol which the rest of BFD works with */ - asymbol symbol; - - /* A pointer to the hidden information for this symbol */ - combined_entry_type *native; - - /* A pointer to the linenumber information for this symbol */ - struct lineno_cache_entry *lineno; - - /* Have the line numbers been relocated yet ? */ - bfd_boolean done_lineno; - } coff_symbol_type; - -3.3.2.7 `bfd_coff_backend_data' -............................... - - /* COFF symbol classifications. */ - - enum coff_symbol_classification - { - /* Global symbol. */ - COFF_SYMBOL_GLOBAL, - /* Common symbol. */ - COFF_SYMBOL_COMMON, - /* Undefined symbol. */ - COFF_SYMBOL_UNDEFINED, - /* Local symbol. */ - COFF_SYMBOL_LOCAL, - /* PE section symbol. */ - COFF_SYMBOL_PE_SECTION - }; -Special entry points for gdb to swap in coff symbol table parts: - typedef struct - { - void (*_bfd_coff_swap_aux_in) - (bfd *, void *, int, int, int, int, void *); - - void (*_bfd_coff_swap_sym_in) - (bfd *, void *, void *); - - void (*_bfd_coff_swap_lineno_in) - (bfd *, void *, void *); - - unsigned int (*_bfd_coff_swap_aux_out) - (bfd *, void *, int, int, int, int, void *); - - unsigned int (*_bfd_coff_swap_sym_out) - (bfd *, void *, void *); - - unsigned int (*_bfd_coff_swap_lineno_out) - (bfd *, void *, void *); - - unsigned int (*_bfd_coff_swap_reloc_out) - (bfd *, void *, void *); - - unsigned int (*_bfd_coff_swap_filehdr_out) - (bfd *, void *, void *); - - unsigned int (*_bfd_coff_swap_aouthdr_out) - (bfd *, void *, void *); - - unsigned int (*_bfd_coff_swap_scnhdr_out) - (bfd *, void *, void *); - - unsigned int _bfd_filhsz; - unsigned int _bfd_aoutsz; - unsigned int _bfd_scnhsz; - unsigned int _bfd_symesz; - unsigned int _bfd_auxesz; - unsigned int _bfd_relsz; - unsigned int _bfd_linesz; - unsigned int _bfd_filnmlen; - bfd_boolean _bfd_coff_long_filenames; - - bfd_boolean _bfd_coff_long_section_names; - bfd_boolean (*_bfd_coff_set_long_section_names) - (bfd *, int); - - unsigned int _bfd_coff_default_section_alignment_power; - bfd_boolean _bfd_coff_force_symnames_in_strings; - unsigned int _bfd_coff_debug_string_prefix_length; - - void (*_bfd_coff_swap_filehdr_in) - (bfd *, void *, void *); - - void (*_bfd_coff_swap_aouthdr_in) - (bfd *, void *, void *); - - void (*_bfd_coff_swap_scnhdr_in) - (bfd *, void *, void *); - - void (*_bfd_coff_swap_reloc_in) - (bfd *abfd, void *, void *); - - bfd_boolean (*_bfd_coff_bad_format_hook) - (bfd *, void *); - - bfd_boolean (*_bfd_coff_set_arch_mach_hook) - (bfd *, void *); - - void * (*_bfd_coff_mkobject_hook) - (bfd *, void *, void *); - - bfd_boolean (*_bfd_styp_to_sec_flags_hook) - (bfd *, void *, const char *, asection *, flagword *); - - void (*_bfd_set_alignment_hook) - (bfd *, asection *, void *); - - bfd_boolean (*_bfd_coff_slurp_symbol_table) - (bfd *); - - bfd_boolean (*_bfd_coff_symname_in_debug) - (bfd *, struct internal_syment *); - - bfd_boolean (*_bfd_coff_pointerize_aux_hook) - (bfd *, combined_entry_type *, combined_entry_type *, - unsigned int, combined_entry_type *); - - bfd_boolean (*_bfd_coff_print_aux) - (bfd *, FILE *, combined_entry_type *, combined_entry_type *, - combined_entry_type *, unsigned int); - - void (*_bfd_coff_reloc16_extra_cases) - (bfd *, struct bfd_link_info *, struct bfd_link_order *, arelent *, - bfd_byte *, unsigned int *, unsigned int *); - - int (*_bfd_coff_reloc16_estimate) - (bfd *, asection *, arelent *, unsigned int, - struct bfd_link_info *); - - enum coff_symbol_classification (*_bfd_coff_classify_symbol) - (bfd *, struct internal_syment *); - - bfd_boolean (*_bfd_coff_compute_section_file_positions) - (bfd *); - - bfd_boolean (*_bfd_coff_start_final_link) - (bfd *, struct bfd_link_info *); - - bfd_boolean (*_bfd_coff_relocate_section) - (bfd *, struct bfd_link_info *, bfd *, asection *, bfd_byte *, - struct internal_reloc *, struct internal_syment *, asection **); - - reloc_howto_type *(*_bfd_coff_rtype_to_howto) - (bfd *, asection *, struct internal_reloc *, - struct coff_link_hash_entry *, struct internal_syment *, - bfd_vma *); - - bfd_boolean (*_bfd_coff_adjust_symndx) - (bfd *, struct bfd_link_info *, bfd *, asection *, - struct internal_reloc *, bfd_boolean *); - - bfd_boolean (*_bfd_coff_link_add_one_symbol) - (struct bfd_link_info *, bfd *, const char *, flagword, - asection *, bfd_vma, const char *, bfd_boolean, bfd_boolean, - struct bfd_link_hash_entry **); - - bfd_boolean (*_bfd_coff_link_output_has_begun) - (bfd *, struct coff_final_link_info *); - - bfd_boolean (*_bfd_coff_final_link_postscript) - (bfd *, struct coff_final_link_info *); - - bfd_boolean (*_bfd_coff_print_pdata) - (bfd *, void *); - - } bfd_coff_backend_data; - - #define coff_backend_info(abfd) \ - ((bfd_coff_backend_data *) (abfd)->xvec->backend_data) - - #define bfd_coff_swap_aux_in(a,e,t,c,ind,num,i) \ - ((coff_backend_info (a)->_bfd_coff_swap_aux_in) (a,e,t,c,ind,num,i)) - - #define bfd_coff_swap_sym_in(a,e,i) \ - ((coff_backend_info (a)->_bfd_coff_swap_sym_in) (a,e,i)) - - #define bfd_coff_swap_lineno_in(a,e,i) \ - ((coff_backend_info ( a)->_bfd_coff_swap_lineno_in) (a,e,i)) - - #define bfd_coff_swap_reloc_out(abfd, i, o) \ - ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_out) (abfd, i, o)) - - #define bfd_coff_swap_lineno_out(abfd, i, o) \ - ((coff_backend_info (abfd)->_bfd_coff_swap_lineno_out) (abfd, i, o)) - - #define bfd_coff_swap_aux_out(a,i,t,c,ind,num,o) \ - ((coff_backend_info (a)->_bfd_coff_swap_aux_out) (a,i,t,c,ind,num,o)) - - #define bfd_coff_swap_sym_out(abfd, i,o) \ - ((coff_backend_info (abfd)->_bfd_coff_swap_sym_out) (abfd, i, o)) - - #define bfd_coff_swap_scnhdr_out(abfd, i,o) \ - ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_out) (abfd, i, o)) - - #define bfd_coff_swap_filehdr_out(abfd, i,o) \ - ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_out) (abfd, i, o)) - - #define bfd_coff_swap_aouthdr_out(abfd, i,o) \ - ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_out) (abfd, i, o)) - - #define bfd_coff_filhsz(abfd) (coff_backend_info (abfd)->_bfd_filhsz) - #define bfd_coff_aoutsz(abfd) (coff_backend_info (abfd)->_bfd_aoutsz) - #define bfd_coff_scnhsz(abfd) (coff_backend_info (abfd)->_bfd_scnhsz) - #define bfd_coff_symesz(abfd) (coff_backend_info (abfd)->_bfd_symesz) - #define bfd_coff_auxesz(abfd) (coff_backend_info (abfd)->_bfd_auxesz) - #define bfd_coff_relsz(abfd) (coff_backend_info (abfd)->_bfd_relsz) - #define bfd_coff_linesz(abfd) (coff_backend_info (abfd)->_bfd_linesz) - #define bfd_coff_filnmlen(abfd) (coff_backend_info (abfd)->_bfd_filnmlen) - #define bfd_coff_long_filenames(abfd) \ - (coff_backend_info (abfd)->_bfd_coff_long_filenames) - #define bfd_coff_long_section_names(abfd) \ - (coff_backend_info (abfd)->_bfd_coff_long_section_names) - #define bfd_coff_set_long_section_names(abfd, enable) \ - ((coff_backend_info (abfd)->_bfd_coff_set_long_section_names) (abfd, enable)) - #define bfd_coff_default_section_alignment_power(abfd) \ - (coff_backend_info (abfd)->_bfd_coff_default_section_alignment_power) - #define bfd_coff_swap_filehdr_in(abfd, i,o) \ - ((coff_backend_info (abfd)->_bfd_coff_swap_filehdr_in) (abfd, i, o)) - - #define bfd_coff_swap_aouthdr_in(abfd, i,o) \ - ((coff_backend_info (abfd)->_bfd_coff_swap_aouthdr_in) (abfd, i, o)) - - #define bfd_coff_swap_scnhdr_in(abfd, i,o) \ - ((coff_backend_info (abfd)->_bfd_coff_swap_scnhdr_in) (abfd, i, o)) - - #define bfd_coff_swap_reloc_in(abfd, i, o) \ - ((coff_backend_info (abfd)->_bfd_coff_swap_reloc_in) (abfd, i, o)) - - #define bfd_coff_bad_format_hook(abfd, filehdr) \ - ((coff_backend_info (abfd)->_bfd_coff_bad_format_hook) (abfd, filehdr)) - - #define bfd_coff_set_arch_mach_hook(abfd, filehdr)\ - ((coff_backend_info (abfd)->_bfd_coff_set_arch_mach_hook) (abfd, filehdr)) - #define bfd_coff_mkobject_hook(abfd, filehdr, aouthdr)\ - ((coff_backend_info (abfd)->_bfd_coff_mkobject_hook)\ - (abfd, filehdr, aouthdr)) - - #define bfd_coff_styp_to_sec_flags_hook(abfd, scnhdr, name, section, flags_ptr)\ - ((coff_backend_info (abfd)->_bfd_styp_to_sec_flags_hook)\ - (abfd, scnhdr, name, section, flags_ptr)) - - #define bfd_coff_set_alignment_hook(abfd, sec, scnhdr)\ - ((coff_backend_info (abfd)->_bfd_set_alignment_hook) (abfd, sec, scnhdr)) - - #define bfd_coff_slurp_symbol_table(abfd)\ - ((coff_backend_info (abfd)->_bfd_coff_slurp_symbol_table) (abfd)) - - #define bfd_coff_symname_in_debug(abfd, sym)\ - ((coff_backend_info (abfd)->_bfd_coff_symname_in_debug) (abfd, sym)) - - #define bfd_coff_force_symnames_in_strings(abfd)\ - (coff_backend_info (abfd)->_bfd_coff_force_symnames_in_strings) - - #define bfd_coff_debug_string_prefix_length(abfd)\ - (coff_backend_info (abfd)->_bfd_coff_debug_string_prefix_length) - - #define bfd_coff_print_aux(abfd, file, base, symbol, aux, indaux)\ - ((coff_backend_info (abfd)->_bfd_coff_print_aux)\ - (abfd, file, base, symbol, aux, indaux)) - - #define bfd_coff_reloc16_extra_cases(abfd, link_info, link_order,\ - reloc, data, src_ptr, dst_ptr)\ - ((coff_backend_info (abfd)->_bfd_coff_reloc16_extra_cases)\ - (abfd, link_info, link_order, reloc, data, src_ptr, dst_ptr)) - - #define bfd_coff_reloc16_estimate(abfd, section, reloc, shrink, link_info)\ - ((coff_backend_info (abfd)->_bfd_coff_reloc16_estimate)\ - (abfd, section, reloc, shrink, link_info)) - - #define bfd_coff_classify_symbol(abfd, sym)\ - ((coff_backend_info (abfd)->_bfd_coff_classify_symbol)\ - (abfd, sym)) - - #define bfd_coff_compute_section_file_positions(abfd)\ - ((coff_backend_info (abfd)->_bfd_coff_compute_section_file_positions)\ - (abfd)) - - #define bfd_coff_start_final_link(obfd, info)\ - ((coff_backend_info (obfd)->_bfd_coff_start_final_link)\ - (obfd, info)) - #define bfd_coff_relocate_section(obfd,info,ibfd,o,con,rel,isyms,secs)\ - ((coff_backend_info (ibfd)->_bfd_coff_relocate_section)\ - (obfd, info, ibfd, o, con, rel, isyms, secs)) - #define bfd_coff_rtype_to_howto(abfd, sec, rel, h, sym, addendp)\ - ((coff_backend_info (abfd)->_bfd_coff_rtype_to_howto)\ - (abfd, sec, rel, h, sym, addendp)) - #define bfd_coff_adjust_symndx(obfd, info, ibfd, sec, rel, adjustedp)\ - ((coff_backend_info (abfd)->_bfd_coff_adjust_symndx)\ - (obfd, info, ibfd, sec, rel, adjustedp)) - #define bfd_coff_link_add_one_symbol(info, abfd, name, flags, section,\ - value, string, cp, coll, hashp)\ - ((coff_backend_info (abfd)->_bfd_coff_link_add_one_symbol)\ - (info, abfd, name, flags, section, value, string, cp, coll, hashp)) - - #define bfd_coff_link_output_has_begun(a,p) \ - ((coff_backend_info (a)->_bfd_coff_link_output_has_begun) (a, p)) - #define bfd_coff_final_link_postscript(a,p) \ - ((coff_backend_info (a)->_bfd_coff_final_link_postscript) (a, p)) - - #define bfd_coff_have_print_pdata(a) \ - (coff_backend_info (a)->_bfd_coff_print_pdata) - #define bfd_coff_print_pdata(a,p) \ - ((coff_backend_info (a)->_bfd_coff_print_pdata) (a, p)) - - /* Macro: Returns true if the bfd is a PE executable as opposed to a - PE object file. */ - #define bfd_pei_p(abfd) \ - (CONST_STRNEQ ((abfd)->xvec->name, "pei-")) - -3.3.2.8 Writing relocations -........................... - -To write relocations, the back end steps though the canonical -relocation table and create an `internal_reloc'. The symbol index to -use is removed from the `offset' field in the symbol table supplied. -The address comes directly from the sum of the section base address and -the relocation offset; the type is dug directly from the howto field. -Then the `internal_reloc' is swapped into the shape of an -`external_reloc' and written out to disk. - -3.3.2.9 Reading linenumbers -........................... - -Creating the linenumber table is done by reading in the entire coff -linenumber table, and creating another table for internal use. - - A coff linenumber table is structured so that each function is -marked as having a line number of 0. Each line within the function is -an offset from the first line in the function. The base of the line -number information for the table is stored in the symbol associated -with the function. - - Note: The PE format uses line number 0 for a flag indicating a new -source file. - - The information is copied from the external to the internal table, -and each symbol which marks a function is marked by pointing its... - - How does this work ? - -3.3.2.10 Reading relocations -............................ - -Coff relocations are easily transformed into the internal BFD form -(`arelent'). - - Reading a coff relocation table is done in the following stages: - - * Read the entire coff relocation table into memory. - - * Process each relocation in turn; first swap it from the external - to the internal form. - - * Turn the symbol referenced in the relocation's symbol index into a - pointer into the canonical symbol table. This table is the same - as the one returned by a call to `bfd_canonicalize_symtab'. The - back end will call that routine and save the result if a - canonicalization hasn't been done. - - * The reloc index is turned into a pointer to a howto structure, in - a back end specific way. For instance, the 386 and 960 use the - `r_type' to directly produce an index into a howto table vector; - the 88k subtracts a number from the `r_type' field and creates an - addend field. - - -File: bfd.info, Node: elf, Next: mmo, Prev: coff, Up: BFD back ends - -3.4 ELF backends -================ - -BFD support for ELF formats is being worked on. Currently, the best -supported back ends are for sparc and i386 (running svr4 or Solaris 2). - - Documentation of the internals of the support code still needs to be -written. The code is changing quickly enough that we haven't bothered -yet. - - -File: bfd.info, Node: mmo, Prev: elf, Up: BFD back ends - -3.5 mmo backend -=============== - -The mmo object format is used exclusively together with Professor -Donald E. Knuth's educational 64-bit processor MMIX. The simulator -`mmix' which is available at -`http://www-cs-faculty.stanford.edu/~knuth/programs/mmix.tar.gz' -understands this format. That package also includes a combined -assembler and linker called `mmixal'. The mmo format has no advantages -feature-wise compared to e.g. ELF. It is a simple non-relocatable -object format with no support for archives or debugging information, -except for symbol value information and line numbers (which is not yet -implemented in BFD). See -`http://www-cs-faculty.stanford.edu/~knuth/mmix.html' for more -information about MMIX. The ELF format is used for intermediate object -files in the BFD implementation. - -* Menu: - -* File layout:: -* Symbol-table:: -* mmo section mapping:: - - -File: bfd.info, Node: File layout, Next: Symbol-table, Prev: mmo, Up: mmo - -3.5.1 File layout ------------------ - -The mmo file contents is not partitioned into named sections as with -e.g. ELF. Memory areas is formed by specifying the location of the -data that follows. Only the memory area `0x0000...00' to `0x01ff...ff' -is executable, so it is used for code (and constants) and the area -`0x2000...00' to `0x20ff...ff' is used for writable data. *Note mmo -section mapping::. - - There is provision for specifying "special data" of 65536 different -types. We use type 80 (decimal), arbitrarily chosen the same as the -ELF `e_machine' number for MMIX, filling it with section information -normally found in ELF objects. *Note mmo section mapping::. - - Contents is entered as 32-bit words, xor:ed over previous contents, -always zero-initialized. A word that starts with the byte `0x98' forms -a command called a `lopcode', where the next byte distinguished between -the thirteen lopcodes. The two remaining bytes, called the `Y' and `Z' -fields, or the `YZ' field (a 16-bit big-endian number), are used for -various purposes different for each lopcode. As documented in -`http://www-cs-faculty.stanford.edu/~knuth/mmixal-intro.ps.gz', the -lopcodes are: - -`lop_quote' - 0x98000001. The next word is contents, regardless of whether it - starts with 0x98 or not. - -`lop_loc' - 0x9801YYZZ, where `Z' is 1 or 2. This is a location directive, - setting the location for the next data to the next 32-bit word - (for Z = 1) or 64-bit word (for Z = 2), plus Y * 2^56. Normally - `Y' is 0 for the text segment and 2 for the data segment. - -`lop_skip' - 0x9802YYZZ. Increase the current location by `YZ' bytes. - -`lop_fixo' - 0x9803YYZZ, where `Z' is 1 or 2. Store the current location as 64 - bits into the location pointed to by the next 32-bit (Z = 1) or - 64-bit (Z = 2) word, plus Y * 2^56. - -`lop_fixr' - 0x9804YYZZ. `YZ' is stored into the current location plus 2 - 4 * - YZ. - -`lop_fixrx' - 0x980500ZZ. `Z' is 16 or 24. A value `L' derived from the - following 32-bit word are used in a manner similar to `YZ' in - lop_fixr: it is xor:ed into the current location minus 4 * L. The - first byte of the word is 0 or 1. If it is 1, then L = (LOWEST 24 - BITS OF WORD) - 2^Z, if 0, then L = (LOWEST 24 BITS OF WORD). - -`lop_file' - 0x9806YYZZ. `Y' is the file number, `Z' is count of 32-bit words. - Set the file number to `Y' and the line counter to 0. The next Z - * 4 bytes contain the file name, padded with zeros if the count is - not a multiple of four. The same `Y' may occur multiple times, - but `Z' must be 0 for all but the first occurrence. - -`lop_line' - 0x9807YYZZ. `YZ' is the line number. Together with lop_file, it - forms the source location for the next 32-bit word. Note that for - each non-lopcode 32-bit word, line numbers are assumed incremented - by one. - -`lop_spec' - 0x9808YYZZ. `YZ' is the type number. Data until the next lopcode - other than lop_quote forms special data of type `YZ'. *Note mmo - section mapping::. - - Other types than 80, (or type 80 with a content that does not - parse) is stored in sections named `.MMIX.spec_data.N' where N is - the `YZ'-type. The flags for such a sections say not to allocate - or load the data. The vma is 0. Contents of multiple occurrences - of special data N is concatenated to the data of the previous - lop_spec Ns. The location in data or code at which the lop_spec - occurred is lost. - -`lop_pre' - 0x980901ZZ. The first lopcode in a file. The `Z' field forms the - length of header information in 32-bit words, where the first word - tells the time in seconds since `00:00:00 GMT Jan 1 1970'. - -`lop_post' - 0x980a00ZZ. Z > 32. This lopcode follows after all - content-generating lopcodes in a program. The `Z' field denotes - the value of `rG' at the beginning of the program. The following - 256 - Z big-endian 64-bit words are loaded into global registers - `$G' ... `$255'. - -`lop_stab' - 0x980b0000. The next-to-last lopcode in a program. Must follow - immediately after the lop_post lopcode and its data. After this - lopcode follows all symbols in a compressed format (*note - Symbol-table::). - -`lop_end' - 0x980cYYZZ. The last lopcode in a program. It must follow the - lop_stab lopcode and its data. The `YZ' field contains the number - of 32-bit words of symbol table information after the preceding - lop_stab lopcode. - - Note that the lopcode "fixups"; `lop_fixr', `lop_fixrx' and -`lop_fixo' are not generated by BFD, but are handled. They are -generated by `mmixal'. - - This trivial one-label, one-instruction file: - - :Main TRAP 1,2,3 - - can be represented this way in mmo: - - 0x98090101 - lop_pre, one 32-bit word with timestamp. - - 0x98010002 - lop_loc, text segment, using a 64-bit address. - Note that mmixal does not emit this for the file above. - 0x00000000 - Address, high 32 bits. - 0x00000000 - Address, low 32 bits. - 0x98060002 - lop_file, 2 32-bit words for file-name. - 0x74657374 - "test" - 0x2e730000 - ".s\0\0" - 0x98070001 - lop_line, line 1. - 0x00010203 - TRAP 1,2,3 - 0x980a00ff - lop_post, setting $255 to 0. - 0x00000000 - 0x00000000 - 0x980b0000 - lop_stab for ":Main" = 0, serial 1. - 0x203a4040 *Note Symbol-table::. - 0x10404020 - 0x4d206120 - 0x69016e00 - 0x81000000 - 0x980c0005 - lop_end; symbol table contained five 32-bit words. - - -File: bfd.info, Node: Symbol-table, Next: mmo section mapping, Prev: File layout, Up: mmo - -3.5.2 Symbol table format -------------------------- - -From mmixal.w (or really, the generated mmixal.tex) in -`http://www-cs-faculty.stanford.edu/~knuth/programs/mmix.tar.gz'): -"Symbols are stored and retrieved by means of a `ternary search trie', -following ideas of Bentley and Sedgewick. (See ACM-SIAM Symp. on -Discrete Algorithms `8' (1997), 360-369; R.Sedgewick, `Algorithms in C' -(Reading, Mass. Addison-Wesley, 1998), `15.4'.) Each trie node stores -a character, and there are branches to subtries for the cases where a -given character is less than, equal to, or greater than the character -in the trie. There also is a pointer to a symbol table entry if a -symbol ends at the current node." - - So it's a tree encoded as a stream of bytes. The stream of bytes -acts on a single virtual global symbol, adding and removing characters -and signalling complete symbol points. Here, we read the stream and -create symbols at the completion points. - - First, there's a control byte `m'. If any of the listed bits in `m' -is nonzero, we execute what stands at the right, in the listed order: - - (MMO3_LEFT) - 0x40 - Traverse left trie. - (Read a new command byte and recurse.) - - (MMO3_SYMBITS) - 0x2f - Read the next byte as a character and store it in the - current character position; increment character position. - Test the bits of `m': - - (MMO3_WCHAR) - 0x80 - The character is 16-bit (so read another byte, - merge into current character. - - (MMO3_TYPEBITS) - 0xf - We have a complete symbol; parse the type, value - and serial number and do what should be done - with a symbol. The type and length information - is in j = (m & 0xf). - - (MMO3_REGQUAL_BITS) - j == 0xf: A register variable. The following - byte tells which register. - j <= 8: An absolute symbol. Read j bytes as the - big-endian number the symbol equals. - A j = 2 with two zero bytes denotes an - unknown symbol. - j > 8: As with j <= 8, but add (0x20 << 56) - to the value in the following j - 8 - bytes. - - Then comes the serial number, as a variant of - uleb128, but better named ubeb128: - Read bytes and shift the previous value left 7 - (multiply by 128). Add in the new byte, repeat - until a byte has bit 7 set. The serial number - is the computed value minus 128. - - (MMO3_MIDDLE) - 0x20 - Traverse middle trie. (Read a new command byte - and recurse.) Decrement character position. - - (MMO3_RIGHT) - 0x10 - Traverse right trie. (Read a new command byte and - recurse.) - - Let's look again at the `lop_stab' for the trivial file (*note File -layout::). - - 0x980b0000 - lop_stab for ":Main" = 0, serial 1. - 0x203a4040 - 0x10404020 - 0x4d206120 - 0x69016e00 - 0x81000000 - - This forms the trivial trie (note that the path between ":" and "M" -is redundant): - - 203a ":" - 40 / - 40 / - 10 \ - 40 / - 40 / - 204d "M" - 2061 "a" - 2069 "i" - 016e "n" is the last character in a full symbol, and - with a value represented in one byte. - 00 The value is 0. - 81 The serial number is 1. - - -File: bfd.info, Node: mmo section mapping, Prev: Symbol-table, Up: mmo - -3.5.3 mmo section mapping -------------------------- - -The implementation in BFD uses special data type 80 (decimal) to -encapsulate and describe named sections, containing e.g. debug -information. If needed, any datum in the encapsulation will be quoted -using lop_quote. First comes a 32-bit word holding the number of -32-bit words containing the zero-terminated zero-padded segment name. -After the name there's a 32-bit word holding flags describing the -section type. Then comes a 64-bit big-endian word with the section -length (in bytes), then another with the section start address. -Depending on the type of section, the contents might follow, -zero-padded to 32-bit boundary. For a loadable section (such as data -or code), the contents might follow at some later point, not -necessarily immediately, as a lop_loc with the same start address as in -the section description, followed by the contents. This in effect -forms a descriptor that must be emitted before the actual contents. -Sections described this way must not overlap. - - For areas that don't have such descriptors, synthetic sections are -formed by BFD. Consecutive contents in the two memory areas -`0x0000...00' to `0x01ff...ff' and `0x2000...00' to `0x20ff...ff' are -entered in sections named `.text' and `.data' respectively. If an area -is not otherwise described, but would together with a neighboring lower -area be less than `0x40000000' bytes long, it is joined with the lower -area and the gap is zero-filled. For other cases, a new section is -formed, named `.MMIX.sec.N'. Here, N is a number, a running count -through the mmo file, starting at 0. - - A loadable section specified as: - - .section secname,"ax" - TETRA 1,2,3,4,-1,-2009 - BYTE 80 - - and linked to address `0x4', is represented by the sequence: - - 0x98080050 - lop_spec 80 - 0x00000002 - two 32-bit words for the section name - 0x7365636e - "secn" - 0x616d6500 - "ame\0" - 0x00000033 - flags CODE, READONLY, LOAD, ALLOC - 0x00000000 - high 32 bits of section length - 0x0000001c - section length is 28 bytes; 6 * 4 + 1 + alignment to 32 bits - 0x00000000 - high 32 bits of section address - 0x00000004 - section address is 4 - 0x98010002 - 64 bits with address of following data - 0x00000000 - high 32 bits of address - 0x00000004 - low 32 bits: data starts at address 4 - 0x00000001 - 1 - 0x00000002 - 2 - 0x00000003 - 3 - 0x00000004 - 4 - 0xffffffff - -1 - 0xfffff827 - -2009 - 0x50000000 - 80 as a byte, padded with zeros. - - Note that the lop_spec wrapping does not include the section -contents. Compare this to a non-loaded section specified as: - - .section thirdsec - TETRA 200001,100002 - BYTE 38,40 - - This, when linked to address `0x200000000000001c', is represented by: - - 0x98080050 - lop_spec 80 - 0x00000002 - two 32-bit words for the section name - 0x7365636e - "thir" - 0x616d6500 - "dsec" - 0x00000010 - flag READONLY - 0x00000000 - high 32 bits of section length - 0x0000000c - section length is 12 bytes; 2 * 4 + 2 + alignment to 32 bits - 0x20000000 - high 32 bits of address - 0x0000001c - low 32 bits of address 0x200000000000001c - 0x00030d41 - 200001 - 0x000186a2 - 100002 - 0x26280000 - 38, 40 as bytes, padded with zeros - - For the latter example, the section contents must not be loaded in -memory, and is therefore specified as part of the special data. The -address is usually unimportant but might provide information for e.g. -the DWARF 2 debugging format. - - -File: bfd.info, Node: GNU Free Documentation License, Next: BFD Index, Prev: BFD back ends, Up: Top - - Version 1.3, 3 November 2008 - - Copyright (C) 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc. - `http://fsf.org/' - - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - 0. PREAMBLE - - The purpose of this License is to make a manual, textbook, or other - functional and useful document "free" in the sense of freedom: to - assure everyone the effective freedom to copy and redistribute it, - with or without modifying it, either commercially or - noncommercially. 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In addition, you must do these - things in the Modified Version: - - A. Use in the Title Page (and on the covers, if any) a title - distinct from that of the Document, and from those of - previous versions (which should, if there were any, be listed - in the History section of the Document). You may use the - same title as a previous version if the original publisher of - that version gives permission. - - B. List on the Title Page, as authors, one or more persons or - entities responsible for authorship of the modifications in - the Modified Version, together with at least five of the - principal authors of the Document (all of its principal - authors, if it has fewer than five), unless they release you - from this requirement. - - C. State on the Title page the name of the publisher of the - Modified Version, as the publisher. - - D. Preserve all the copyright notices of the Document. - - E. Add an appropriate copyright notice for your modifications - adjacent to the other copyright notices. - - F. Include, immediately after the copyright notices, a license - notice giving the public permission to use the Modified - Version under the terms of this License, in the form shown in - the Addendum below. - - G. Preserve in that license notice the full lists of Invariant - Sections and required Cover Texts given in the Document's - license notice. - - H. Include an unaltered copy of this License. - - I. Preserve the section Entitled "History", Preserve its Title, - and add to it an item stating at least the title, year, new - authors, and publisher of the Modified Version as given on - the Title Page. If there is no section Entitled "History" in - the Document, create one stating the title, year, authors, - and publisher of the Document as given on its Title Page, - then add an item describing the Modified Version as stated in - the previous sentence. - - J. Preserve the network location, if any, given in the Document - for public access to a Transparent copy of the Document, and - likewise the network locations given in the Document for - previous versions it was based on. These may be placed in - the "History" section. You may omit a network location for a - work that was published at least four years before the - Document itself, or if the original publisher of the version - it refers to gives permission. - - K. For any section Entitled "Acknowledgements" or "Dedications", - Preserve the Title of the section, and preserve in the - section all the substance and tone of each of the contributor - acknowledgements and/or dedications given therein. - - L. Preserve all the Invariant Sections of the Document, - unaltered in their text and in their titles. Section numbers - or the equivalent are not considered part of the section - titles. - - M. Delete any section Entitled "Endorsements". Such a section - may not be included in the Modified Version. - - N. Do not retitle any existing section to be Entitled - "Endorsements" or to conflict in title with any Invariant - Section. - - O. Preserve any Warranty Disclaimers. - - If the Modified Version includes new front-matter sections or - appendices that qualify as Secondary Sections and contain no - material copied from the Document, you may at your option - designate some or all of these sections as invariant. To do this, - add their titles to the list of Invariant Sections in the Modified - Version's license notice. These titles must be distinct from any - other section titles. - - You may add a section Entitled "Endorsements", provided it contains - nothing but endorsements of your Modified Version by various - parties--for example, statements of peer review or that the text - has been approved by an organization as the authoritative - definition of a standard. - - You may add a passage of up to five words as a Front-Cover Text, - and a passage of up to 25 words as a Back-Cover Text, to the end - of the list of Cover Texts in the Modified Version. Only one - passage of Front-Cover Text and one of Back-Cover Text may be - added by (or through arrangements made by) any one entity. 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COMBINING DOCUMENTS - - You may combine the Document with other documents released under - this License, under the terms defined in section 4 above for - modified versions, provided that you include in the combination - all of the Invariant Sections of all of the original documents, - unmodified, and list them all as Invariant Sections of your - combined work in its license notice, and that you preserve all - their Warranty Disclaimers. - - The combined work need only contain one copy of this License, and - multiple identical Invariant Sections may be replaced with a single - copy. If there are multiple Invariant Sections with the same name - but different contents, make the title of each such section unique - by adding at the end of it, in parentheses, the name of the - original author or publisher of that section if known, or else a - unique number. Make the same adjustment to the section titles in - the list of Invariant Sections in the license notice of the - combined work. - - In the combination, you must combine any sections Entitled - "History" in the various original documents, forming one section - Entitled "History"; likewise combine any sections Entitled - "Acknowledgements", and any sections Entitled "Dedications". You - must delete all sections Entitled "Endorsements." - - 6. COLLECTIONS OF DOCUMENTS - - You may make a collection consisting of the Document and other - documents released under this License, and replace the individual - copies of this License in the various documents with a single copy - that is included in the collection, provided that you follow the - rules of this License for verbatim copying of each of the - documents in all other respects. - - You may extract a single document from such a collection, and - distribute it individually under this License, provided you insert - a copy of this License into the extracted document, and follow - this License in all other respects regarding verbatim copying of - that document. - - 7. AGGREGATION WITH INDEPENDENT WORKS - - A compilation of the Document or its derivatives with other - separate and independent documents or works, in or on a volume of - a storage or distribution medium, is called an "aggregate" if the - copyright resulting from the compilation is not used to limit the - legal rights of the compilation's users beyond what the individual - works permit. When the Document is included in an aggregate, this - License does not apply to the other works in the aggregate which - are not themselves derivative works of the Document. - - If the Cover Text requirement of section 3 is applicable to these - copies of the Document, then if the Document is less than one half - of the entire aggregate, the Document's Cover Texts may be placed - on covers that bracket the Document within the aggregate, or the - electronic equivalent of covers if the Document is in electronic - form. Otherwise they must appear on printed covers that bracket - the whole aggregate. - - 8. TRANSLATION - - Translation is considered a kind of modification, so you may - distribute translations of the Document under the terms of section - 4. Replacing Invariant Sections with translations requires special - permission from their copyright holders, but you may include - translations of some or all Invariant Sections in addition to the - original versions of these Invariant Sections. You may include a - translation of this License, and all the license notices in the - Document, and any Warranty Disclaimers, provided that you also - include the original English version of this License and the - original versions of those notices and disclaimers. In case of a - disagreement between the translation and the original version of - this License or a notice or disclaimer, the original version will - prevail. - - If a section in the Document is Entitled "Acknowledgements", - "Dedications", or "History", the requirement (section 4) to - Preserve its Title (section 1) will typically require changing the - actual title. - - 9. TERMINATION - - You may not copy, modify, sublicense, or distribute the Document - except as expressly provided under this License. Any attempt - otherwise to copy, modify, sublicense, or distribute it is void, - and will automatically terminate your rights under this License. - - However, if you cease all violation of this License, then your - license from a particular copyright holder is reinstated (a) - provisionally, unless and until the copyright holder explicitly - and finally terminates your license, and (b) permanently, if the - copyright holder fails to notify you of the violation by some - reasonable means prior to 60 days after the cessation. - - Moreover, your license from a particular copyright holder is - reinstated permanently if the copyright holder notifies you of the - violation by some reasonable means, this is the first time you have - received notice of violation of this License (for any work) from - that copyright holder, and you cure the violation prior to 30 days - after your receipt of the notice. - - Termination of your rights under this section does not terminate - the licenses of parties who have received copies or rights from - you under this License. If your rights have been terminated and - not permanently reinstated, receipt of a copy of some or all of - the same material does not give you any rights to use it. - - 10. FUTURE REVISIONS OF THIS LICENSE - - The Free Software Foundation may publish new, revised versions of - the GNU Free Documentation License from time to time. Such new - versions will be similar in spirit to the present version, but may - differ in detail to address new problems or concerns. See - `http://www.gnu.org/copyleft/'. - - Each version of the License is given a distinguishing version - number. If the Document specifies that a particular numbered - version of this License "or any later version" applies to it, you - have the option of following the terms and conditions either of - that specified version or of any later version that has been - published (not as a draft) by the Free Software Foundation. If - the Document does not specify a version number of this License, - you may choose any version ever published (not as a draft) by the - Free Software Foundation. If the Document specifies that a proxy - can decide which future versions of this License can be used, that - proxy's public statement of acceptance of a version permanently - authorizes you to choose that version for the Document. - - 11. RELICENSING - - "Massive Multiauthor Collaboration Site" (or "MMC Site") means any - World Wide Web server that publishes copyrightable works and also - provides prominent facilities for anybody to edit those works. A - public wiki that anybody can edit is an example of such a server. - A "Massive Multiauthor Collaboration" (or "MMC") contained in the - site means any set of copyrightable works thus published on the MMC - site. - - "CC-BY-SA" means the Creative Commons Attribution-Share Alike 3.0 - license published by Creative Commons Corporation, a not-for-profit - corporation with a principal place of business in San Francisco, - California, as well as future copyleft versions of that license - published by that same organization. - - "Incorporate" means to publish or republish a Document, in whole or - in part, as part of another Document. - - An MMC is "eligible for relicensing" if it is licensed under this - License, and if all works that were first published under this - License somewhere other than this MMC, and subsequently - incorporated in whole or in part into the MMC, (1) had no cover - texts or invariant sections, and (2) were thus incorporated prior - to November 1, 2008. - - The operator of an MMC Site may republish an MMC contained in the - site under CC-BY-SA on the same site at any time before August 1, - 2009, provided the MMC is eligible for relicensing. - - -ADDENDUM: How to use this License for your documents -==================================================== - -To use this License in a document you have written, include a copy of -the License in the document and put the following copyright and license -notices just after the title page: - - Copyright (C) YEAR YOUR NAME. - Permission is granted to copy, distribute and/or modify this document - under the terms of the GNU Free Documentation License, Version 1.3 - or any later version published by the Free Software Foundation; - with no Invariant Sections, no Front-Cover Texts, and no Back-Cover - Texts. A copy of the license is included in the section entitled ``GNU - Free Documentation License''. - - If you have Invariant Sections, Front-Cover Texts and Back-Cover -Texts, replace the "with...Texts." line with this: - - with the Invariant Sections being LIST THEIR TITLES, with - the Front-Cover Texts being LIST, and with the Back-Cover Texts - being LIST. - - If you have Invariant Sections without Cover Texts, or some other -combination of the three, merge those two alternatives to suit the -situation. - - If your document contains nontrivial examples of program code, we -recommend releasing these examples in parallel under your choice of -free software license, such as the GNU General Public License, to -permit their use in free software. - - -File: bfd.info, Node: BFD Index, Prev: GNU Free Documentation License, Up: Top - -BFD Index -********* - -[index] -* Menu: - -* _bfd_final_link_relocate: Relocating the section contents. - (line 22) -* _bfd_generic_link_add_archive_symbols: Adding symbols from an archive. - (line 12) -* _bfd_generic_link_add_one_symbol: Adding symbols from an object file. - (line 19) -* _bfd_generic_make_empty_symbol: symbol handling functions. - (line 92) -* _bfd_link_add_symbols in target vector: Adding Symbols to the Hash Table. - (line 6) -* _bfd_link_final_link in target vector: Performing the Final Link. - (line 6) -* _bfd_link_hash_table_create in target vector: Creating a Linker Hash Table. - (line 6) -* _bfd_relocate_contents: Relocating the section contents. - (line 22) -* aout_SIZE_machine_type: aout. (line 147) -* aout_SIZE_mkobject: aout. (line 139) -* aout_SIZE_new_section_hook: aout. (line 177) -* aout_SIZE_set_arch_mach: aout. (line 164) -* aout_SIZE_some_aout_object_p: aout. (line 125) -* aout_SIZE_swap_exec_header_in: aout. (line 101) -* aout_SIZE_swap_exec_header_out: aout. (line 113) -* arelent_chain: typedef arelent. (line 339) -* BFD: Overview. (line 6) -* BFD canonical format: Canonical format. (line 11) -* bfd_alloc: Opening and Closing. - (line 210) -* bfd_alloc2: Opening and Closing. - (line 219) -* bfd_alt_mach_code: BFD front end. (line 689) -* bfd_arch_bits_per_address: Architectures. (line 517) -* bfd_arch_bits_per_byte: Architectures. (line 509) -* bfd_arch_get_compatible: Architectures. (line 452) -* bfd_arch_list: Architectures. (line 443) -* bfd_arch_mach_octets_per_byte: Architectures. (line 586) -* BFD_ARELOC_BFIN_ADD: howto manager. (line 1005) -* BFD_ARELOC_BFIN_ADDR: howto manager. (line 1056) -* BFD_ARELOC_BFIN_AND: howto manager. (line 1026) -* BFD_ARELOC_BFIN_COMP: howto manager. (line 1047) -* BFD_ARELOC_BFIN_CONST: howto manager. (line 1002) -* BFD_ARELOC_BFIN_DIV: howto manager. (line 1014) -* BFD_ARELOC_BFIN_HWPAGE: howto manager. (line 1053) -* BFD_ARELOC_BFIN_LAND: howto manager. (line 1035) -* BFD_ARELOC_BFIN_LEN: howto manager. (line 1041) -* BFD_ARELOC_BFIN_LOR: howto manager. (line 1038) -* BFD_ARELOC_BFIN_LSHIFT: howto manager. (line 1020) -* BFD_ARELOC_BFIN_MOD: howto manager. (line 1017) -* BFD_ARELOC_BFIN_MULT: howto manager. (line 1011) -* BFD_ARELOC_BFIN_NEG: howto manager. (line 1044) -* BFD_ARELOC_BFIN_OR: howto manager. (line 1029) -* BFD_ARELOC_BFIN_PAGE: howto manager. (line 1050) -* BFD_ARELOC_BFIN_PUSH: howto manager. (line 999) -* BFD_ARELOC_BFIN_RSHIFT: howto manager. (line 1023) -* BFD_ARELOC_BFIN_SUB: howto manager. (line 1008) -* BFD_ARELOC_BFIN_XOR: howto manager. (line 1032) -* bfd_cache_close: File Caching. (line 26) -* bfd_cache_close_all: File Caching. (line 39) -* bfd_cache_init: File Caching. (line 18) -* bfd_calc_gnu_debuglink_crc32: Opening and Closing. - (line 246) -* bfd_canonicalize_reloc: BFD front end. (line 408) -* bfd_canonicalize_symtab: symbol handling functions. - (line 50) -* bfd_check_format: Formats. (line 21) -* bfd_check_format_matches: Formats. (line 52) -* bfd_check_overflow: typedef arelent. (line 351) -* bfd_close: Opening and Closing. - (line 135) -* bfd_close_all_done: Opening and Closing. - (line 153) -* bfd_coff_backend_data: coff. (line 304) -* bfd_copy_private_bfd_data: BFD front end. (line 547) -* bfd_copy_private_header_data: BFD front end. (line 529) -* bfd_copy_private_section_data: section prototypes. (line 255) -* bfd_copy_private_symbol_data: symbol handling functions. - (line 140) -* bfd_core_file_failing_command: Core Files. (line 12) -* bfd_core_file_failing_signal: Core Files. (line 21) -* bfd_create: Opening and Closing. - (line 172) -* bfd_create_gnu_debuglink_section: Opening and Closing. - (line 312) -* bfd_decode_symclass: symbol handling functions. - (line 111) -* bfd_default_arch_struct: Architectures. (line 464) -* bfd_default_compatible: Architectures. (line 526) -* bfd_default_reloc_type_lookup: howto manager. (line 2247) -* bfd_default_scan: Architectures. (line 535) -* bfd_default_set_arch_mach: Architectures. (line 482) -* bfd_demangle: BFD front end. (line 787) -* bfd_emul_get_commonpagesize: BFD front end. (line 767) -* bfd_emul_get_maxpagesize: BFD front end. (line 747) -* bfd_emul_set_commonpagesize: BFD front end. (line 778) -* bfd_emul_set_maxpagesize: BFD front end. (line 758) -* bfd_errmsg: BFD front end. (line 333) -* bfd_fdopenr: Opening and Closing. - (line 46) -* bfd_fill_in_gnu_debuglink_section: Opening and Closing. - (line 326) -* bfd_find_target: bfd_target. (line 445) -* bfd_find_version_for_sym: Writing the symbol table. - (line 80) -* bfd_follow_gnu_debuglink: Opening and Closing. - (line 291) -* bfd_fopen: Opening and Closing. - (line 9) -* bfd_format_string: Formats. (line 79) -* bfd_generic_define_common_symbol: Writing the symbol table. - (line 67) -* bfd_generic_discard_group: section prototypes. (line 281) -* bfd_generic_gc_sections: howto manager. (line 2278) -* bfd_generic_get_relocated_section_contents: howto manager. (line 2298) -* bfd_generic_is_group_section: section prototypes. (line 273) -* bfd_generic_merge_sections: howto manager. (line 2288) -* bfd_generic_relax_section: howto manager. (line 2265) -* bfd_get_arch: Architectures. (line 493) -* bfd_get_arch_info: Architectures. (line 545) -* bfd_get_arch_size: BFD front end. (line 452) -* bfd_get_error: BFD front end. (line 314) -* bfd_get_error_handler: BFD front end. (line 384) -* bfd_get_gp_size: BFD front end. (line 493) -* bfd_get_mach: Architectures. (line 501) -* bfd_get_mtime: BFD front end. (line 831) -* bfd_get_next_mapent: Archives. (line 52) -* bfd_get_reloc_code_name: howto manager. (line 2256) -* bfd_get_reloc_size: typedef arelent. (line 330) -* bfd_get_reloc_upper_bound: BFD front end. (line 398) -* bfd_get_section_by_name: section prototypes. (line 17) -* bfd_get_section_by_name_if: section prototypes. (line 31) -* bfd_get_section_contents: section prototypes. (line 228) -* bfd_get_sign_extend_vma: BFD front end. (line 465) -* bfd_get_size <1>: Internal. (line 25) -* bfd_get_size: BFD front end. (line 840) -* bfd_get_symtab_upper_bound: symbol handling functions. - (line 6) -* bfd_get_unique_section_name: section prototypes. (line 50) -* bfd_h_put_size: Internal. (line 97) -* bfd_hash_allocate: Creating and Freeing a Hash Table. - (line 17) -* bfd_hash_lookup: Looking Up or Entering a String. - (line 6) -* bfd_hash_newfunc: Creating and Freeing a Hash Table. - (line 12) -* bfd_hash_set_default_size: Creating and Freeing a Hash Table. - (line 25) -* bfd_hash_table_free: Creating and Freeing a Hash Table. - (line 21) -* bfd_hash_table_init: Creating and Freeing a Hash Table. - (line 6) -* bfd_hash_table_init_n: Creating and Freeing a Hash Table. - (line 6) -* bfd_hash_traverse: Traversing a Hash Table. - (line 6) -* bfd_init: Initialization. (line 11) -* bfd_install_relocation: typedef arelent. (line 392) -* bfd_is_local_label: symbol handling functions. - (line 17) -* bfd_is_local_label_name: symbol handling functions. - (line 26) -* bfd_is_target_special_symbol: symbol handling functions. - (line 38) -* bfd_is_undefined_symclass: symbol handling functions. - (line 120) -* bfd_link_split_section: Writing the symbol table. - (line 44) -* bfd_log2: Internal. (line 164) -* bfd_lookup_arch: Architectures. (line 553) -* bfd_make_debug_symbol: symbol handling functions. - (line 102) -* bfd_make_empty_symbol: symbol handling functions. - (line 78) -* bfd_make_readable: Opening and Closing. - (line 196) -* bfd_make_section: section prototypes. (line 129) -* bfd_make_section_anyway: section prototypes. (line 100) -* bfd_make_section_anyway_with_flags: section prototypes. (line 82) -* bfd_make_section_old_way: section prototypes. (line 62) -* bfd_make_section_with_flags: section prototypes. (line 116) -* bfd_make_writable: Opening and Closing. - (line 182) -* bfd_malloc_and_get_section: section prototypes. (line 245) -* bfd_map_over_sections: section prototypes. (line 155) -* bfd_merge_private_bfd_data: BFD front end. (line 563) -* bfd_mmap: BFD front end. (line 869) -* bfd_octets_per_byte: Architectures. (line 576) -* bfd_open_file: File Caching. (line 52) -* bfd_openr: Opening and Closing. - (line 30) -* bfd_openr_iovec: Opening and Closing. - (line 76) -* bfd_openr_next_archived_file: Archives. (line 78) -* bfd_openstreamr: Opening and Closing. - (line 67) -* bfd_openw: Opening and Closing. - (line 123) -* bfd_perform_relocation: typedef arelent. (line 367) -* bfd_perror: BFD front end. (line 342) -* bfd_preserve_finish: BFD front end. (line 737) -* bfd_preserve_restore: BFD front end. (line 727) -* bfd_preserve_save: BFD front end. (line 711) -* bfd_print_symbol_vandf: symbol handling functions. - (line 70) -* bfd_printable_arch_mach: Architectures. (line 564) -* bfd_printable_name: Architectures. (line 424) -* bfd_put_size: Internal. (line 22) -* BFD_RELOC_12_PCREL: howto manager. (line 39) -* BFD_RELOC_14: howto manager. (line 31) -* BFD_RELOC_16: howto manager. (line 30) -* BFD_RELOC_16_BASEREL: howto manager. (line 95) -* BFD_RELOC_16_GOT_PCREL: howto manager. (line 52) -* BFD_RELOC_16_GOTOFF: howto manager. (line 55) -* BFD_RELOC_16_PCREL: howto manager. (line 38) -* BFD_RELOC_16_PCREL_S2: howto manager. (line 107) -* BFD_RELOC_16_PLT_PCREL: howto manager. (line 63) -* BFD_RELOC_16_PLTOFF: howto manager. (line 67) -* BFD_RELOC_16C_ABS20: howto manager. (line 1838) -* BFD_RELOC_16C_ABS20_C: howto manager. (line 1839) -* BFD_RELOC_16C_ABS24: howto manager. (line 1840) -* BFD_RELOC_16C_ABS24_C: howto manager. (line 1841) -* BFD_RELOC_16C_DISP04: howto manager. (line 1818) -* BFD_RELOC_16C_DISP04_C: howto manager. (line 1819) -* BFD_RELOC_16C_DISP08: howto manager. (line 1820) -* BFD_RELOC_16C_DISP08_C: howto manager. (line 1821) -* BFD_RELOC_16C_DISP16: howto manager. (line 1822) -* BFD_RELOC_16C_DISP16_C: howto manager. (line 1823) -* BFD_RELOC_16C_DISP24: howto manager. (line 1824) -* BFD_RELOC_16C_DISP24_C: howto manager. (line 1825) -* BFD_RELOC_16C_DISP24a: howto manager. (line 1826) -* BFD_RELOC_16C_DISP24a_C: howto manager. (line 1827) -* BFD_RELOC_16C_IMM04: howto manager. (line 1842) -* BFD_RELOC_16C_IMM04_C: howto manager. (line 1843) -* BFD_RELOC_16C_IMM16: howto manager. (line 1844) -* BFD_RELOC_16C_IMM16_C: howto manager. (line 1845) -* BFD_RELOC_16C_IMM20: howto manager. (line 1846) -* BFD_RELOC_16C_IMM20_C: howto manager. (line 1847) -* BFD_RELOC_16C_IMM24: howto manager. (line 1848) -* BFD_RELOC_16C_IMM24_C: howto manager. (line 1849) -* BFD_RELOC_16C_IMM32: howto manager. (line 1850) -* BFD_RELOC_16C_IMM32_C: howto manager. (line 1851) -* BFD_RELOC_16C_NUM08: howto manager. (line 1812) -* BFD_RELOC_16C_NUM08_C: howto manager. (line 1813) -* BFD_RELOC_16C_NUM16: howto manager. (line 1814) -* BFD_RELOC_16C_NUM16_C: howto manager. (line 1815) -* BFD_RELOC_16C_NUM32: howto manager. (line 1816) -* BFD_RELOC_16C_NUM32_C: howto manager. (line 1817) -* BFD_RELOC_16C_REG04: howto manager. (line 1828) -* BFD_RELOC_16C_REG04_C: howto manager. (line 1829) -* BFD_RELOC_16C_REG04a: howto manager. (line 1830) -* BFD_RELOC_16C_REG04a_C: howto manager. (line 1831) -* BFD_RELOC_16C_REG14: howto manager. (line 1832) -* BFD_RELOC_16C_REG14_C: howto manager. (line 1833) -* BFD_RELOC_16C_REG16: howto manager. (line 1834) -* BFD_RELOC_16C_REG16_C: howto manager. (line 1835) -* BFD_RELOC_16C_REG20: howto manager. (line 1836) -* BFD_RELOC_16C_REG20_C: howto manager. (line 1837) -* BFD_RELOC_23_PCREL_S2: howto manager. (line 108) -* BFD_RELOC_24: howto manager. (line 29) -* BFD_RELOC_24_PCREL: howto manager. (line 37) -* BFD_RELOC_24_PLT_PCREL: howto manager. (line 62) -* BFD_RELOC_26: howto manager. (line 28) -* BFD_RELOC_32: howto manager. (line 27) -* BFD_RELOC_32_BASEREL: howto manager. (line 94) -* BFD_RELOC_32_GOT_PCREL: howto manager. (line 51) -* BFD_RELOC_32_GOTOFF: howto manager. (line 54) -* BFD_RELOC_32_PCREL: howto manager. (line 36) -* BFD_RELOC_32_PCREL_S2: howto manager. (line 106) -* BFD_RELOC_32_PLT_PCREL: howto manager. (line 61) -* BFD_RELOC_32_PLTOFF: howto manager. (line 66) -* BFD_RELOC_32_SECREL: howto manager. (line 48) -* BFD_RELOC_386_COPY: howto manager. (line 505) -* BFD_RELOC_386_GLOB_DAT: howto manager. (line 506) -* BFD_RELOC_386_GOT32: howto manager. (line 503) -* BFD_RELOC_386_GOTOFF: howto manager. (line 509) -* BFD_RELOC_386_GOTPC: howto manager. (line 510) -* BFD_RELOC_386_IRELATIVE: howto manager. (line 526) -* BFD_RELOC_386_JUMP_SLOT: howto manager. (line 507) -* BFD_RELOC_386_PLT32: howto manager. (line 504) -* BFD_RELOC_386_RELATIVE: howto manager. (line 508) -* BFD_RELOC_386_TLS_DESC: howto manager. (line 525) -* BFD_RELOC_386_TLS_DESC_CALL: howto manager. (line 524) -* BFD_RELOC_386_TLS_DTPMOD32: howto manager. (line 520) -* BFD_RELOC_386_TLS_DTPOFF32: howto manager. (line 521) -* BFD_RELOC_386_TLS_GD: howto manager. (line 515) -* BFD_RELOC_386_TLS_GOTDESC: howto manager. (line 523) -* BFD_RELOC_386_TLS_GOTIE: howto manager. (line 513) -* BFD_RELOC_386_TLS_IE: howto manager. (line 512) -* BFD_RELOC_386_TLS_IE_32: howto manager. (line 518) -* BFD_RELOC_386_TLS_LDM: howto manager. (line 516) -* BFD_RELOC_386_TLS_LDO_32: howto manager. (line 517) -* BFD_RELOC_386_TLS_LE: howto manager. (line 514) -* BFD_RELOC_386_TLS_LE_32: howto manager. (line 519) -* BFD_RELOC_386_TLS_TPOFF: howto manager. (line 511) -* BFD_RELOC_386_TLS_TPOFF32: howto manager. (line 522) -* BFD_RELOC_390_12: howto manager. (line 1498) -* BFD_RELOC_390_20: howto manager. (line 1598) -* BFD_RELOC_390_COPY: howto manager. (line 1507) -* BFD_RELOC_390_GLOB_DAT: howto manager. (line 1510) -* BFD_RELOC_390_GOT12: howto manager. (line 1501) -* BFD_RELOC_390_GOT16: howto manager. (line 1522) -* BFD_RELOC_390_GOT20: howto manager. (line 1599) -* BFD_RELOC_390_GOT64: howto manager. (line 1540) -* BFD_RELOC_390_GOTENT: howto manager. (line 1546) -* BFD_RELOC_390_GOTOFF64: howto manager. (line 1549) -* BFD_RELOC_390_GOTPC: howto manager. (line 1519) -* BFD_RELOC_390_GOTPCDBL: howto manager. (line 1537) -* BFD_RELOC_390_GOTPLT12: howto manager. (line 1552) -* BFD_RELOC_390_GOTPLT16: howto manager. (line 1555) -* BFD_RELOC_390_GOTPLT20: howto manager. (line 1600) -* BFD_RELOC_390_GOTPLT32: howto manager. (line 1558) -* BFD_RELOC_390_GOTPLT64: howto manager. (line 1561) -* BFD_RELOC_390_GOTPLTENT: howto manager. (line 1564) -* BFD_RELOC_390_JMP_SLOT: howto manager. (line 1513) -* BFD_RELOC_390_PC16DBL: howto manager. (line 1525) -* BFD_RELOC_390_PC32DBL: howto manager. (line 1531) -* BFD_RELOC_390_PLT16DBL: howto manager. (line 1528) -* BFD_RELOC_390_PLT32: howto manager. (line 1504) -* BFD_RELOC_390_PLT32DBL: howto manager. (line 1534) -* BFD_RELOC_390_PLT64: howto manager. (line 1543) -* BFD_RELOC_390_PLTOFF16: howto manager. (line 1567) -* BFD_RELOC_390_PLTOFF32: howto manager. (line 1570) -* BFD_RELOC_390_PLTOFF64: howto manager. (line 1573) -* BFD_RELOC_390_RELATIVE: howto manager. (line 1516) -* BFD_RELOC_390_TLS_DTPMOD: howto manager. (line 1593) -* BFD_RELOC_390_TLS_DTPOFF: howto manager. (line 1594) -* BFD_RELOC_390_TLS_GD32: howto manager. (line 1579) -* BFD_RELOC_390_TLS_GD64: howto manager. (line 1580) -* BFD_RELOC_390_TLS_GDCALL: howto manager. (line 1577) -* BFD_RELOC_390_TLS_GOTIE12: howto manager. (line 1581) -* BFD_RELOC_390_TLS_GOTIE20: howto manager. (line 1601) -* BFD_RELOC_390_TLS_GOTIE32: howto manager. (line 1582) -* BFD_RELOC_390_TLS_GOTIE64: howto manager. (line 1583) -* BFD_RELOC_390_TLS_IE32: howto manager. (line 1586) -* BFD_RELOC_390_TLS_IE64: howto manager. (line 1587) -* BFD_RELOC_390_TLS_IEENT: howto manager. (line 1588) -* BFD_RELOC_390_TLS_LDCALL: howto manager. (line 1578) -* BFD_RELOC_390_TLS_LDM32: howto manager. (line 1584) -* BFD_RELOC_390_TLS_LDM64: howto manager. (line 1585) -* BFD_RELOC_390_TLS_LDO32: howto manager. (line 1591) -* BFD_RELOC_390_TLS_LDO64: howto manager. (line 1592) -* BFD_RELOC_390_TLS_LE32: howto manager. (line 1589) -* BFD_RELOC_390_TLS_LE64: howto manager. (line 1590) -* BFD_RELOC_390_TLS_LOAD: howto manager. (line 1576) -* BFD_RELOC_390_TLS_TPOFF: howto manager. (line 1595) -* BFD_RELOC_64: howto manager. (line 26) -* BFD_RELOC_64_PCREL: howto manager. (line 35) -* BFD_RELOC_64_PLT_PCREL: howto manager. (line 60) -* BFD_RELOC_64_PLTOFF: howto manager. (line 65) -* BFD_RELOC_68K_GLOB_DAT: howto manager. (line 74) -* BFD_RELOC_68K_JMP_SLOT: howto manager. (line 75) -* BFD_RELOC_68K_RELATIVE: howto manager. (line 76) -* BFD_RELOC_68K_TLS_GD16: howto manager. (line 78) -* BFD_RELOC_68K_TLS_GD32: howto manager. (line 77) -* BFD_RELOC_68K_TLS_GD8: howto manager. (line 79) -* BFD_RELOC_68K_TLS_IE16: howto manager. (line 87) -* BFD_RELOC_68K_TLS_IE32: howto manager. (line 86) -* BFD_RELOC_68K_TLS_IE8: howto manager. (line 88) -* BFD_RELOC_68K_TLS_LDM16: howto manager. (line 81) -* BFD_RELOC_68K_TLS_LDM32: howto manager. (line 80) -* BFD_RELOC_68K_TLS_LDM8: howto manager. (line 82) -* BFD_RELOC_68K_TLS_LDO16: howto manager. (line 84) -* BFD_RELOC_68K_TLS_LDO32: howto manager. (line 83) -* BFD_RELOC_68K_TLS_LDO8: howto manager. (line 85) -* BFD_RELOC_68K_TLS_LE16: howto manager. (line 90) -* BFD_RELOC_68K_TLS_LE32: howto manager. (line 89) -* BFD_RELOC_68K_TLS_LE8: howto manager. (line 91) -* BFD_RELOC_8: howto manager. (line 32) -* BFD_RELOC_860_COPY: howto manager. (line 1966) -* BFD_RELOC_860_GLOB_DAT: howto manager. (line 1967) -* BFD_RELOC_860_HAGOT: howto manager. (line 1992) -* BFD_RELOC_860_HAGOTOFF: howto manager. (line 1993) -* BFD_RELOC_860_HAPC: howto manager. (line 1994) -* BFD_RELOC_860_HIGH: howto manager. (line 1995) -* BFD_RELOC_860_HIGHADJ: howto manager. (line 1991) -* BFD_RELOC_860_HIGOT: howto manager. (line 1996) -* BFD_RELOC_860_HIGOTOFF: howto manager. (line 1997) -* BFD_RELOC_860_JUMP_SLOT: howto manager. (line 1968) -* BFD_RELOC_860_LOGOT0: howto manager. (line 1980) -* BFD_RELOC_860_LOGOT1: howto manager. (line 1982) -* BFD_RELOC_860_LOGOTOFF0: howto manager. (line 1984) -* BFD_RELOC_860_LOGOTOFF1: howto manager. (line 1986) -* BFD_RELOC_860_LOGOTOFF2: howto manager. (line 1988) -* BFD_RELOC_860_LOGOTOFF3: howto manager. (line 1989) -* BFD_RELOC_860_LOPC: howto manager. (line 1990) -* BFD_RELOC_860_LOW0: howto manager. (line 1973) -* BFD_RELOC_860_LOW1: howto manager. (line 1975) -* BFD_RELOC_860_LOW2: howto manager. (line 1977) -* BFD_RELOC_860_LOW3: howto manager. (line 1979) -* BFD_RELOC_860_PC16: howto manager. (line 1972) -* BFD_RELOC_860_PC26: howto manager. (line 1970) -* BFD_RELOC_860_PLT26: howto manager. (line 1971) -* BFD_RELOC_860_RELATIVE: howto manager. (line 1969) -* BFD_RELOC_860_SPGOT0: howto manager. (line 1981) -* BFD_RELOC_860_SPGOT1: howto manager. (line 1983) -* BFD_RELOC_860_SPGOTOFF0: howto manager. (line 1985) -* BFD_RELOC_860_SPGOTOFF1: howto manager. (line 1987) -* BFD_RELOC_860_SPLIT0: howto manager. (line 1974) -* BFD_RELOC_860_SPLIT1: howto manager. (line 1976) -* BFD_RELOC_860_SPLIT2: howto manager. (line 1978) -* BFD_RELOC_8_BASEREL: howto manager. (line 99) -* BFD_RELOC_8_FFnn: howto manager. (line 103) -* BFD_RELOC_8_GOT_PCREL: howto manager. (line 53) -* BFD_RELOC_8_GOTOFF: howto manager. (line 59) -* BFD_RELOC_8_PCREL: howto manager. (line 40) -* BFD_RELOC_8_PLT_PCREL: howto manager. (line 64) -* BFD_RELOC_8_PLTOFF: howto manager. (line 71) -* BFD_RELOC_ALPHA_BOH: howto manager. (line 313) -* BFD_RELOC_ALPHA_BRSGP: howto manager. (line 296) -* BFD_RELOC_ALPHA_BSR: howto manager. (line 305) -* BFD_RELOC_ALPHA_CODEADDR: howto manager. (line 287) -* BFD_RELOC_ALPHA_DTPMOD64: howto manager. (line 319) -* BFD_RELOC_ALPHA_DTPREL16: howto manager. (line 324) -* BFD_RELOC_ALPHA_DTPREL64: howto manager. (line 321) -* BFD_RELOC_ALPHA_DTPREL_HI16: howto manager. (line 322) -* BFD_RELOC_ALPHA_DTPREL_LO16: howto manager. (line 323) -* BFD_RELOC_ALPHA_ELF_LITERAL: howto manager. (line 252) -* BFD_RELOC_ALPHA_GOTDTPREL16: howto manager. (line 320) -* BFD_RELOC_ALPHA_GOTTPREL16: howto manager. (line 325) -* BFD_RELOC_ALPHA_GPDISP: howto manager. (line 246) -* BFD_RELOC_ALPHA_GPDISP_HI16: howto manager. (line 232) -* BFD_RELOC_ALPHA_GPDISP_LO16: howto manager. (line 240) -* BFD_RELOC_ALPHA_GPREL_HI16: howto manager. (line 291) -* BFD_RELOC_ALPHA_GPREL_LO16: howto manager. (line 292) -* BFD_RELOC_ALPHA_HINT: howto manager. (line 278) -* BFD_RELOC_ALPHA_LDA: howto manager. (line 309) -* BFD_RELOC_ALPHA_LINKAGE: howto manager. (line 283) -* BFD_RELOC_ALPHA_LITERAL: howto manager. (line 251) -* BFD_RELOC_ALPHA_LITUSE: howto manager. (line 253) -* BFD_RELOC_ALPHA_NOP: howto manager. (line 301) -* BFD_RELOC_ALPHA_TLSGD: howto manager. (line 317) -* BFD_RELOC_ALPHA_TLSLDM: howto manager. (line 318) -* BFD_RELOC_ALPHA_TPREL16: howto manager. (line 329) -* BFD_RELOC_ALPHA_TPREL64: howto manager. (line 326) -* BFD_RELOC_ALPHA_TPREL_HI16: howto manager. (line 327) -* BFD_RELOC_ALPHA_TPREL_LO16: howto manager. (line 328) -* BFD_RELOC_ARC_B22_PCREL: howto manager. (line 934) -* BFD_RELOC_ARC_B26: howto manager. (line 939) -* BFD_RELOC_ARM_ADR_IMM: howto manager. (line 827) -* BFD_RELOC_ARM_ADRL_IMMEDIATE: howto manager. (line 814) -* BFD_RELOC_ARM_ALU_PC_G0: howto manager. (line 781) -* BFD_RELOC_ARM_ALU_PC_G0_NC: howto manager. (line 780) -* BFD_RELOC_ARM_ALU_PC_G1: howto manager. (line 783) -* BFD_RELOC_ARM_ALU_PC_G1_NC: howto manager. (line 782) -* BFD_RELOC_ARM_ALU_PC_G2: howto manager. (line 784) -* BFD_RELOC_ARM_ALU_SB_G0: howto manager. (line 795) -* BFD_RELOC_ARM_ALU_SB_G0_NC: howto manager. (line 794) -* BFD_RELOC_ARM_ALU_SB_G1: howto manager. (line 797) -* BFD_RELOC_ARM_ALU_SB_G1_NC: howto manager. (line 796) -* BFD_RELOC_ARM_ALU_SB_G2: howto manager. (line 798) -* BFD_RELOC_ARM_CP_OFF_IMM: howto manager. (line 823) -* BFD_RELOC_ARM_CP_OFF_IMM_S2: howto manager. (line 824) -* BFD_RELOC_ARM_GLOB_DAT: howto manager. (line 762) -* BFD_RELOC_ARM_GOT32: howto manager. (line 763) -* BFD_RELOC_ARM_GOTOFF: howto manager. (line 766) -* BFD_RELOC_ARM_GOTPC: howto manager. (line 767) -* BFD_RELOC_ARM_HWLITERAL: howto manager. (line 834) -* BFD_RELOC_ARM_IMMEDIATE: howto manager. (line 813) -* BFD_RELOC_ARM_IN_POOL: howto manager. (line 830) -* BFD_RELOC_ARM_JUMP_SLOT: howto manager. (line 761) -* BFD_RELOC_ARM_LDC_PC_G0: howto manager. (line 791) -* BFD_RELOC_ARM_LDC_PC_G1: howto manager. (line 792) -* BFD_RELOC_ARM_LDC_PC_G2: howto manager. (line 793) -* BFD_RELOC_ARM_LDC_SB_G0: howto manager. (line 805) -* BFD_RELOC_ARM_LDC_SB_G1: howto manager. (line 806) -* BFD_RELOC_ARM_LDC_SB_G2: howto manager. (line 807) -* BFD_RELOC_ARM_LDR_IMM: howto manager. (line 828) -* BFD_RELOC_ARM_LDR_PC_G0: howto manager. (line 785) -* BFD_RELOC_ARM_LDR_PC_G1: howto manager. (line 786) -* BFD_RELOC_ARM_LDR_PC_G2: howto manager. (line 787) -* BFD_RELOC_ARM_LDR_SB_G0: howto manager. (line 799) -* BFD_RELOC_ARM_LDR_SB_G1: howto manager. (line 800) -* BFD_RELOC_ARM_LDR_SB_G2: howto manager. (line 801) -* BFD_RELOC_ARM_LDRS_PC_G0: howto manager. (line 788) -* BFD_RELOC_ARM_LDRS_PC_G1: howto manager. (line 789) -* BFD_RELOC_ARM_LDRS_PC_G2: howto manager. (line 790) -* BFD_RELOC_ARM_LDRS_SB_G0: howto manager. (line 802) -* BFD_RELOC_ARM_LDRS_SB_G1: howto manager. (line 803) -* BFD_RELOC_ARM_LDRS_SB_G2: howto manager. (line 804) -* BFD_RELOC_ARM_LITERAL: howto manager. (line 829) -* BFD_RELOC_ARM_MOVT: howto manager. (line 752) -* BFD_RELOC_ARM_MOVT_PCREL: howto manager. (line 754) -* BFD_RELOC_ARM_MOVW: howto manager. (line 751) -* BFD_RELOC_ARM_MOVW_PCREL: howto manager. (line 753) -* BFD_RELOC_ARM_MULTI: howto manager. (line 822) -* BFD_RELOC_ARM_OFFSET_IMM: howto manager. (line 725) -* BFD_RELOC_ARM_OFFSET_IMM8: howto manager. (line 831) -* BFD_RELOC_ARM_PCREL_BLX: howto manager. (line 696) -* BFD_RELOC_ARM_PCREL_BRANCH: howto manager. (line 692) -* BFD_RELOC_ARM_PCREL_CALL: howto manager. (line 706) -* BFD_RELOC_ARM_PCREL_JUMP: howto manager. (line 710) -* BFD_RELOC_ARM_PLT32: howto manager. (line 764) -* BFD_RELOC_ARM_PREL31: howto manager. (line 748) -* BFD_RELOC_ARM_RELATIVE: howto manager. (line 765) -* BFD_RELOC_ARM_ROSEGREL32: howto manager. (line 737) -* BFD_RELOC_ARM_SBREL32: howto manager. (line 740) -* BFD_RELOC_ARM_SHIFT_IMM: howto manager. (line 819) -* BFD_RELOC_ARM_SMC: howto manager. (line 820) -* BFD_RELOC_ARM_SWI: howto manager. (line 821) -* BFD_RELOC_ARM_T32_ADD_IMM: howto manager. (line 816) -* BFD_RELOC_ARM_T32_ADD_PC12: howto manager. (line 818) -* BFD_RELOC_ARM_T32_CP_OFF_IMM: howto manager. (line 825) -* BFD_RELOC_ARM_T32_CP_OFF_IMM_S2: howto manager. (line 826) -* BFD_RELOC_ARM_T32_IMM12: howto manager. (line 817) -* BFD_RELOC_ARM_T32_IMMEDIATE: howto manager. (line 815) -* BFD_RELOC_ARM_T32_OFFSET_IMM: howto manager. (line 833) -* BFD_RELOC_ARM_T32_OFFSET_U8: howto manager. (line 832) -* BFD_RELOC_ARM_TARGET1: howto manager. (line 733) -* BFD_RELOC_ARM_TARGET2: howto manager. (line 743) -* BFD_RELOC_ARM_THUMB_ADD: howto manager. (line 835) -* BFD_RELOC_ARM_THUMB_IMM: howto manager. (line 836) -* BFD_RELOC_ARM_THUMB_MOVT: howto manager. (line 756) -* BFD_RELOC_ARM_THUMB_MOVT_PCREL: howto manager. (line 758) -* BFD_RELOC_ARM_THUMB_MOVW: howto manager. (line 755) -* BFD_RELOC_ARM_THUMB_MOVW_PCREL: howto manager. (line 757) -* BFD_RELOC_ARM_THUMB_OFFSET: howto manager. (line 729) -* BFD_RELOC_ARM_THUMB_SHIFT: howto manager. (line 837) -* BFD_RELOC_ARM_TLS_DTPMOD32: howto manager. (line 774) -* BFD_RELOC_ARM_TLS_DTPOFF32: howto manager. (line 773) -* BFD_RELOC_ARM_TLS_GD32: howto manager. (line 770) -* BFD_RELOC_ARM_TLS_IE32: howto manager. (line 776) -* BFD_RELOC_ARM_TLS_LDM32: howto manager. (line 772) -* BFD_RELOC_ARM_TLS_LDO32: howto manager. (line 771) -* BFD_RELOC_ARM_TLS_LE32: howto manager. (line 777) -* BFD_RELOC_ARM_TLS_TPOFF32: howto manager. (line 775) -* BFD_RELOC_ARM_V4BX: howto manager. (line 810) -* BFD_RELOC_AVR_13_PCREL: howto manager. (line 1399) -* BFD_RELOC_AVR_16_PM: howto manager. (line 1403) -* BFD_RELOC_AVR_6: howto manager. (line 1490) -* BFD_RELOC_AVR_6_ADIW: howto manager. (line 1494) -* BFD_RELOC_AVR_7_PCREL: howto manager. (line 1395) -* BFD_RELOC_AVR_CALL: howto manager. (line 1482) -* BFD_RELOC_AVR_HH8_LDI: howto manager. (line 1415) -* BFD_RELOC_AVR_HH8_LDI_NEG: howto manager. (line 1434) -* BFD_RELOC_AVR_HH8_LDI_PM: howto manager. (line 1463) -* BFD_RELOC_AVR_HH8_LDI_PM_NEG: howto manager. (line 1477) -* BFD_RELOC_AVR_HI8_LDI: howto manager. (line 1411) -* BFD_RELOC_AVR_HI8_LDI_GS: howto manager. (line 1457) -* BFD_RELOC_AVR_HI8_LDI_NEG: howto manager. (line 1429) -* BFD_RELOC_AVR_HI8_LDI_PM: howto manager. (line 1453) -* BFD_RELOC_AVR_HI8_LDI_PM_NEG: howto manager. (line 1472) -* BFD_RELOC_AVR_LDI: howto manager. (line 1486) -* BFD_RELOC_AVR_LO8_LDI: howto manager. (line 1407) -* BFD_RELOC_AVR_LO8_LDI_GS: howto manager. (line 1447) -* BFD_RELOC_AVR_LO8_LDI_NEG: howto manager. (line 1424) -* BFD_RELOC_AVR_LO8_LDI_PM: howto manager. (line 1443) -* BFD_RELOC_AVR_LO8_LDI_PM_NEG: howto manager. (line 1468) -* BFD_RELOC_AVR_MS8_LDI: howto manager. (line 1420) -* BFD_RELOC_AVR_MS8_LDI_NEG: howto manager. (line 1439) -* BFD_RELOC_BFIN_10_PCREL: howto manager. (line 959) -* BFD_RELOC_BFIN_11_PCREL: howto manager. (line 962) -* BFD_RELOC_BFIN_12_PCREL_JUMP: howto manager. (line 965) -* BFD_RELOC_BFIN_12_PCREL_JUMP_S: howto manager. (line 968) -* BFD_RELOC_BFIN_16_HIGH: howto manager. (line 947) -* BFD_RELOC_BFIN_16_IMM: howto manager. (line 944) -* BFD_RELOC_BFIN_16_LOW: howto manager. (line 956) -* BFD_RELOC_BFIN_24_PCREL_CALL_X: howto manager. (line 971) -* BFD_RELOC_BFIN_24_PCREL_JUMP_L: howto manager. (line 974) -* BFD_RELOC_BFIN_4_PCREL: howto manager. (line 950) -* BFD_RELOC_BFIN_5_PCREL: howto manager. (line 953) -* BFD_RELOC_BFIN_FUNCDESC: howto manager. (line 980) -* BFD_RELOC_BFIN_FUNCDESC_GOT17M4: howto manager. (line 981) -* BFD_RELOC_BFIN_FUNCDESC_GOTHI: howto manager. (line 982) -* BFD_RELOC_BFIN_FUNCDESC_GOTLO: howto manager. (line 983) -* BFD_RELOC_BFIN_FUNCDESC_GOTOFF17M4: howto manager. (line 985) -* BFD_RELOC_BFIN_FUNCDESC_GOTOFFHI: howto manager. (line 986) -* BFD_RELOC_BFIN_FUNCDESC_GOTOFFLO: howto manager. (line 987) -* BFD_RELOC_BFIN_FUNCDESC_VALUE: howto manager. (line 984) -* BFD_RELOC_BFIN_GOT: howto manager. (line 993) -* BFD_RELOC_BFIN_GOT17M4: howto manager. (line 977) -* BFD_RELOC_BFIN_GOTHI: howto manager. (line 978) -* BFD_RELOC_BFIN_GOTLO: howto manager. (line 979) -* BFD_RELOC_BFIN_GOTOFF17M4: howto manager. (line 988) -* BFD_RELOC_BFIN_GOTOFFHI: howto manager. (line 989) -* BFD_RELOC_BFIN_GOTOFFLO: howto manager. (line 990) -* BFD_RELOC_BFIN_PLTPC: howto manager. (line 996) -* bfd_reloc_code_type: howto manager. (line 10) -* BFD_RELOC_CR16_ABS20: howto manager. (line 1866) -* BFD_RELOC_CR16_ABS24: howto manager. (line 1867) -* BFD_RELOC_CR16_DISP16: howto manager. (line 1877) -* BFD_RELOC_CR16_DISP20: howto manager. (line 1878) -* BFD_RELOC_CR16_DISP24: howto manager. (line 1879) -* BFD_RELOC_CR16_DISP24a: howto manager. (line 1880) -* BFD_RELOC_CR16_DISP4: howto manager. (line 1875) -* BFD_RELOC_CR16_DISP8: howto manager. (line 1876) -* BFD_RELOC_CR16_GLOB_DAT: howto manager. (line 1886) -* BFD_RELOC_CR16_GOT_REGREL20: howto manager. (line 1884) -* BFD_RELOC_CR16_GOTC_REGREL20: howto manager. (line 1885) -* BFD_RELOC_CR16_IMM16: howto manager. (line 1870) -* BFD_RELOC_CR16_IMM20: howto manager. (line 1871) -* BFD_RELOC_CR16_IMM24: howto manager. (line 1872) -* BFD_RELOC_CR16_IMM32: howto manager. (line 1873) -* BFD_RELOC_CR16_IMM32a: howto manager. (line 1874) -* BFD_RELOC_CR16_IMM4: howto manager. (line 1868) -* BFD_RELOC_CR16_IMM8: howto manager. (line 1869) -* BFD_RELOC_CR16_NUM16: howto manager. (line 1855) -* BFD_RELOC_CR16_NUM32: howto manager. (line 1856) -* BFD_RELOC_CR16_NUM32a: howto manager. (line 1857) -* BFD_RELOC_CR16_NUM8: howto manager. (line 1854) -* BFD_RELOC_CR16_REGREL0: howto manager. (line 1858) -* BFD_RELOC_CR16_REGREL14: howto manager. (line 1861) -* BFD_RELOC_CR16_REGREL14a: howto manager. (line 1862) -* BFD_RELOC_CR16_REGREL16: howto manager. (line 1863) -* BFD_RELOC_CR16_REGREL20: howto manager. (line 1864) -* BFD_RELOC_CR16_REGREL20a: howto manager. (line 1865) -* BFD_RELOC_CR16_REGREL4: howto manager. (line 1859) -* BFD_RELOC_CR16_REGREL4a: howto manager. (line 1860) -* BFD_RELOC_CR16_SWITCH16: howto manager. (line 1882) -* BFD_RELOC_CR16_SWITCH32: howto manager. (line 1883) -* BFD_RELOC_CR16_SWITCH8: howto manager. (line 1881) -* BFD_RELOC_CRIS_16_DTPREL: howto manager. (line 1957) -* BFD_RELOC_CRIS_16_GOT: howto manager. (line 1933) -* BFD_RELOC_CRIS_16_GOT_GD: howto manager. (line 1953) -* BFD_RELOC_CRIS_16_GOT_TPREL: howto manager. (line 1959) -* BFD_RELOC_CRIS_16_GOTPLT: howto manager. (line 1939) -* BFD_RELOC_CRIS_16_TPREL: howto manager. (line 1961) -* BFD_RELOC_CRIS_32_DTPREL: howto manager. (line 1956) -* BFD_RELOC_CRIS_32_GD: howto manager. (line 1954) -* BFD_RELOC_CRIS_32_GOT: howto manager. (line 1930) -* BFD_RELOC_CRIS_32_GOT_GD: howto manager. (line 1952) -* BFD_RELOC_CRIS_32_GOT_TPREL: howto manager. (line 1958) -* BFD_RELOC_CRIS_32_GOTPLT: howto manager. (line 1936) -* BFD_RELOC_CRIS_32_GOTREL: howto manager. (line 1942) -* BFD_RELOC_CRIS_32_IE: howto manager. (line 1963) -* BFD_RELOC_CRIS_32_PLT_GOTREL: howto manager. (line 1945) -* BFD_RELOC_CRIS_32_PLT_PCREL: howto manager. (line 1948) -* BFD_RELOC_CRIS_32_TPREL: howto manager. (line 1960) -* BFD_RELOC_CRIS_BDISP8: howto manager. (line 1911) -* BFD_RELOC_CRIS_COPY: howto manager. (line 1924) -* BFD_RELOC_CRIS_DTP: howto manager. (line 1955) -* BFD_RELOC_CRIS_DTPMOD: howto manager. (line 1962) -* BFD_RELOC_CRIS_GLOB_DAT: howto manager. (line 1925) -* BFD_RELOC_CRIS_JUMP_SLOT: howto manager. (line 1926) -* BFD_RELOC_CRIS_LAPCQ_OFFSET: howto manager. (line 1919) -* BFD_RELOC_CRIS_RELATIVE: howto manager. (line 1927) -* BFD_RELOC_CRIS_SIGNED_16: howto manager. (line 1917) -* BFD_RELOC_CRIS_SIGNED_6: howto manager. (line 1913) -* BFD_RELOC_CRIS_SIGNED_8: howto manager. (line 1915) -* BFD_RELOC_CRIS_UNSIGNED_16: howto manager. (line 1918) -* BFD_RELOC_CRIS_UNSIGNED_4: howto manager. (line 1920) -* BFD_RELOC_CRIS_UNSIGNED_5: howto manager. (line 1912) -* BFD_RELOC_CRIS_UNSIGNED_6: howto manager. (line 1914) -* BFD_RELOC_CRIS_UNSIGNED_8: howto manager. (line 1916) -* BFD_RELOC_CRX_ABS16: howto manager. (line 1899) -* BFD_RELOC_CRX_ABS32: howto manager. (line 1900) -* BFD_RELOC_CRX_IMM16: howto manager. (line 1904) -* BFD_RELOC_CRX_IMM32: howto manager. (line 1905) -* BFD_RELOC_CRX_NUM16: howto manager. (line 1902) -* BFD_RELOC_CRX_NUM32: howto manager. (line 1903) -* BFD_RELOC_CRX_NUM8: howto manager. (line 1901) -* BFD_RELOC_CRX_REGREL12: howto manager. (line 1895) -* BFD_RELOC_CRX_REGREL22: howto manager. (line 1896) -* BFD_RELOC_CRX_REGREL28: howto manager. (line 1897) -* BFD_RELOC_CRX_REGREL32: howto manager. (line 1898) -* BFD_RELOC_CRX_REL16: howto manager. (line 1892) -* BFD_RELOC_CRX_REL24: howto manager. (line 1893) -* BFD_RELOC_CRX_REL32: howto manager. (line 1894) -* BFD_RELOC_CRX_REL4: howto manager. (line 1889) -* BFD_RELOC_CRX_REL8: howto manager. (line 1890) -* BFD_RELOC_CRX_REL8_CMP: howto manager. (line 1891) -* BFD_RELOC_CRX_SWITCH16: howto manager. (line 1907) -* BFD_RELOC_CRX_SWITCH32: howto manager. (line 1908) -* BFD_RELOC_CRX_SWITCH8: howto manager. (line 1906) -* BFD_RELOC_CTOR: howto manager. (line 686) -* BFD_RELOC_D10V_10_PCREL_L: howto manager. (line 1063) -* BFD_RELOC_D10V_10_PCREL_R: howto manager. (line 1059) -* BFD_RELOC_D10V_18: howto manager. (line 1068) -* BFD_RELOC_D10V_18_PCREL: howto manager. (line 1071) -* BFD_RELOC_D30V_15: howto manager. (line 1086) -* BFD_RELOC_D30V_15_PCREL: howto manager. (line 1090) -* BFD_RELOC_D30V_15_PCREL_R: howto manager. (line 1094) -* BFD_RELOC_D30V_21: howto manager. (line 1099) -* BFD_RELOC_D30V_21_PCREL: howto manager. (line 1103) -* BFD_RELOC_D30V_21_PCREL_R: howto manager. (line 1107) -* BFD_RELOC_D30V_32: howto manager. (line 1112) -* BFD_RELOC_D30V_32_PCREL: howto manager. (line 1115) -* BFD_RELOC_D30V_6: howto manager. (line 1074) -* BFD_RELOC_D30V_9_PCREL: howto manager. (line 1077) -* BFD_RELOC_D30V_9_PCREL_R: howto manager. (line 1081) -* BFD_RELOC_DLX_HI16_S: howto manager. (line 1118) -* BFD_RELOC_DLX_JMP26: howto manager. (line 1124) -* BFD_RELOC_DLX_LO16: howto manager. (line 1121) -* BFD_RELOC_FR30_10_IN_8: howto manager. (line 1303) -* BFD_RELOC_FR30_12_PCREL: howto manager. (line 1311) -* BFD_RELOC_FR30_20: howto manager. (line 1287) -* BFD_RELOC_FR30_48: howto manager. (line 1284) -* BFD_RELOC_FR30_6_IN_4: howto manager. (line 1291) -* BFD_RELOC_FR30_8_IN_8: howto manager. (line 1295) -* BFD_RELOC_FR30_9_IN_8: howto manager. (line 1299) -* BFD_RELOC_FR30_9_PCREL: howto manager. (line 1307) -* BFD_RELOC_FRV_FUNCDESC: howto manager. (line 438) -* BFD_RELOC_FRV_FUNCDESC_GOT12: howto manager. (line 439) -* BFD_RELOC_FRV_FUNCDESC_GOTHI: howto manager. (line 440) -* BFD_RELOC_FRV_FUNCDESC_GOTLO: howto manager. (line 441) -* BFD_RELOC_FRV_FUNCDESC_GOTOFF12: howto manager. (line 443) -* BFD_RELOC_FRV_FUNCDESC_GOTOFFHI: howto manager. (line 444) -* BFD_RELOC_FRV_FUNCDESC_GOTOFFLO: howto manager. (line 445) -* BFD_RELOC_FRV_FUNCDESC_VALUE: howto manager. (line 442) -* BFD_RELOC_FRV_GETTLSOFF: howto manager. (line 449) -* BFD_RELOC_FRV_GETTLSOFF_RELAX: howto manager. (line 462) -* BFD_RELOC_FRV_GOT12: howto manager. (line 435) -* BFD_RELOC_FRV_GOTHI: howto manager. (line 436) -* BFD_RELOC_FRV_GOTLO: howto manager. (line 437) -* BFD_RELOC_FRV_GOTOFF12: howto manager. (line 446) -* BFD_RELOC_FRV_GOTOFFHI: howto manager. (line 447) -* BFD_RELOC_FRV_GOTOFFLO: howto manager. (line 448) -* BFD_RELOC_FRV_GOTTLSDESC12: howto manager. (line 451) -* BFD_RELOC_FRV_GOTTLSDESCHI: howto manager. (line 452) -* BFD_RELOC_FRV_GOTTLSDESCLO: howto manager. (line 453) -* BFD_RELOC_FRV_GOTTLSOFF12: howto manager. (line 457) -* BFD_RELOC_FRV_GOTTLSOFFHI: howto manager. (line 458) -* BFD_RELOC_FRV_GOTTLSOFFLO: howto manager. (line 459) -* BFD_RELOC_FRV_GPREL12: howto manager. (line 430) -* BFD_RELOC_FRV_GPREL32: howto manager. (line 432) -* BFD_RELOC_FRV_GPRELHI: howto manager. (line 433) -* BFD_RELOC_FRV_GPRELLO: howto manager. (line 434) -* BFD_RELOC_FRV_GPRELU12: howto manager. (line 431) -* BFD_RELOC_FRV_HI16: howto manager. (line 429) -* BFD_RELOC_FRV_LABEL16: howto manager. (line 426) -* BFD_RELOC_FRV_LABEL24: howto manager. (line 427) -* BFD_RELOC_FRV_LO16: howto manager. (line 428) -* BFD_RELOC_FRV_TLSDESC_RELAX: howto manager. (line 461) -* BFD_RELOC_FRV_TLSDESC_VALUE: howto manager. (line 450) -* BFD_RELOC_FRV_TLSMOFF: howto manager. (line 464) -* BFD_RELOC_FRV_TLSMOFF12: howto manager. (line 454) -* BFD_RELOC_FRV_TLSMOFFHI: howto manager. (line 455) -* BFD_RELOC_FRV_TLSMOFFLO: howto manager. (line 456) -* BFD_RELOC_FRV_TLSOFF: howto manager. (line 460) -* BFD_RELOC_FRV_TLSOFF_RELAX: howto manager. (line 463) -* BFD_RELOC_GPREL16: howto manager. (line 121) -* BFD_RELOC_GPREL32: howto manager. (line 122) -* BFD_RELOC_H8_DIR16A8: howto manager. (line 2004) -* BFD_RELOC_H8_DIR16R8: howto manager. (line 2005) -* BFD_RELOC_H8_DIR24A8: howto manager. (line 2006) -* BFD_RELOC_H8_DIR24R8: howto manager. (line 2007) -* BFD_RELOC_H8_DIR32A16: howto manager. (line 2008) -* BFD_RELOC_HI16: howto manager. (line 342) -* BFD_RELOC_HI16_BASEREL: howto manager. (line 97) -* BFD_RELOC_HI16_GOTOFF: howto manager. (line 57) -* BFD_RELOC_HI16_PCREL: howto manager. (line 354) -* BFD_RELOC_HI16_PLTOFF: howto manager. (line 69) -* BFD_RELOC_HI16_S: howto manager. (line 345) -* BFD_RELOC_HI16_S_BASEREL: howto manager. (line 98) -* BFD_RELOC_HI16_S_GOTOFF: howto manager. (line 58) -* BFD_RELOC_HI16_S_PCREL: howto manager. (line 357) -* BFD_RELOC_HI16_S_PLTOFF: howto manager. (line 70) -* BFD_RELOC_HI22: howto manager. (line 116) -* BFD_RELOC_I370_D12: howto manager. (line 683) -* BFD_RELOC_I960_CALLJ: howto manager. (line 128) -* BFD_RELOC_IA64_COPY: howto manager. (line 1748) -* BFD_RELOC_IA64_DIR32LSB: howto manager. (line 1693) -* BFD_RELOC_IA64_DIR32MSB: howto manager. (line 1692) -* BFD_RELOC_IA64_DIR64LSB: howto manager. (line 1695) -* BFD_RELOC_IA64_DIR64MSB: howto manager. (line 1694) -* BFD_RELOC_IA64_DTPMOD64LSB: howto manager. (line 1758) -* BFD_RELOC_IA64_DTPMOD64MSB: howto manager. (line 1757) -* BFD_RELOC_IA64_DTPREL14: howto manager. (line 1760) -* BFD_RELOC_IA64_DTPREL22: howto manager. (line 1761) -* BFD_RELOC_IA64_DTPREL32LSB: howto manager. (line 1764) -* BFD_RELOC_IA64_DTPREL32MSB: howto manager. (line 1763) -* BFD_RELOC_IA64_DTPREL64I: howto manager. (line 1762) -* BFD_RELOC_IA64_DTPREL64LSB: howto manager. (line 1766) -* BFD_RELOC_IA64_DTPREL64MSB: howto manager. (line 1765) -* BFD_RELOC_IA64_FPTR32LSB: howto manager. (line 1710) -* BFD_RELOC_IA64_FPTR32MSB: howto manager. (line 1709) -* BFD_RELOC_IA64_FPTR64I: howto manager. (line 1708) -* BFD_RELOC_IA64_FPTR64LSB: howto manager. (line 1712) -* BFD_RELOC_IA64_FPTR64MSB: howto manager. (line 1711) -* BFD_RELOC_IA64_GPREL22: howto manager. (line 1696) -* BFD_RELOC_IA64_GPREL32LSB: howto manager. (line 1699) -* BFD_RELOC_IA64_GPREL32MSB: howto manager. (line 1698) -* BFD_RELOC_IA64_GPREL64I: howto manager. (line 1697) -* BFD_RELOC_IA64_GPREL64LSB: howto manager. (line 1701) -* BFD_RELOC_IA64_GPREL64MSB: howto manager. (line 1700) -* BFD_RELOC_IA64_IMM14: howto manager. (line 1689) -* BFD_RELOC_IA64_IMM22: howto manager. (line 1690) -* BFD_RELOC_IA64_IMM64: howto manager. (line 1691) -* BFD_RELOC_IA64_IPLTLSB: howto manager. (line 1747) -* BFD_RELOC_IA64_IPLTMSB: howto manager. (line 1746) -* BFD_RELOC_IA64_LDXMOV: howto manager. (line 1750) -* BFD_RELOC_IA64_LTOFF22: howto manager. (line 1702) -* BFD_RELOC_IA64_LTOFF22X: howto manager. (line 1749) -* BFD_RELOC_IA64_LTOFF64I: howto manager. (line 1703) -* BFD_RELOC_IA64_LTOFF_DTPMOD22: howto manager. (line 1759) -* BFD_RELOC_IA64_LTOFF_DTPREL22: howto manager. (line 1767) -* BFD_RELOC_IA64_LTOFF_FPTR22: howto manager. (line 1724) -* BFD_RELOC_IA64_LTOFF_FPTR32LSB: howto manager. (line 1727) -* BFD_RELOC_IA64_LTOFF_FPTR32MSB: howto manager. (line 1726) -* BFD_RELOC_IA64_LTOFF_FPTR64I: howto manager. (line 1725) -* BFD_RELOC_IA64_LTOFF_FPTR64LSB: howto manager. (line 1729) -* BFD_RELOC_IA64_LTOFF_FPTR64MSB: howto manager. (line 1728) -* BFD_RELOC_IA64_LTOFF_TPREL22: howto manager. (line 1756) -* BFD_RELOC_IA64_LTV32LSB: howto manager. (line 1743) -* BFD_RELOC_IA64_LTV32MSB: howto manager. (line 1742) -* BFD_RELOC_IA64_LTV64LSB: howto manager. (line 1745) -* BFD_RELOC_IA64_LTV64MSB: howto manager. (line 1744) -* BFD_RELOC_IA64_PCREL21B: howto manager. (line 1713) -* BFD_RELOC_IA64_PCREL21BI: howto manager. (line 1714) -* BFD_RELOC_IA64_PCREL21F: howto manager. (line 1716) -* BFD_RELOC_IA64_PCREL21M: howto manager. (line 1715) -* BFD_RELOC_IA64_PCREL22: howto manager. (line 1717) -* BFD_RELOC_IA64_PCREL32LSB: howto manager. (line 1721) -* BFD_RELOC_IA64_PCREL32MSB: howto manager. (line 1720) -* BFD_RELOC_IA64_PCREL60B: howto manager. (line 1718) -* BFD_RELOC_IA64_PCREL64I: howto manager. (line 1719) -* BFD_RELOC_IA64_PCREL64LSB: howto manager. (line 1723) -* BFD_RELOC_IA64_PCREL64MSB: howto manager. (line 1722) -* BFD_RELOC_IA64_PLTOFF22: howto manager. (line 1704) -* BFD_RELOC_IA64_PLTOFF64I: howto manager. (line 1705) -* BFD_RELOC_IA64_PLTOFF64LSB: howto manager. (line 1707) -* BFD_RELOC_IA64_PLTOFF64MSB: howto manager. (line 1706) -* BFD_RELOC_IA64_REL32LSB: howto manager. (line 1739) -* BFD_RELOC_IA64_REL32MSB: howto manager. (line 1738) -* BFD_RELOC_IA64_REL64LSB: howto manager. (line 1741) -* BFD_RELOC_IA64_REL64MSB: howto manager. (line 1740) -* BFD_RELOC_IA64_SECREL32LSB: howto manager. (line 1735) -* BFD_RELOC_IA64_SECREL32MSB: howto manager. (line 1734) -* BFD_RELOC_IA64_SECREL64LSB: howto manager. (line 1737) -* BFD_RELOC_IA64_SECREL64MSB: howto manager. (line 1736) -* BFD_RELOC_IA64_SEGREL32LSB: howto manager. (line 1731) -* BFD_RELOC_IA64_SEGREL32MSB: howto manager. (line 1730) -* BFD_RELOC_IA64_SEGREL64LSB: howto manager. (line 1733) -* BFD_RELOC_IA64_SEGREL64MSB: howto manager. (line 1732) -* BFD_RELOC_IA64_TPREL14: howto manager. (line 1751) -* BFD_RELOC_IA64_TPREL22: howto manager. (line 1752) -* BFD_RELOC_IA64_TPREL64I: howto manager. (line 1753) -* BFD_RELOC_IA64_TPREL64LSB: howto manager. (line 1755) -* BFD_RELOC_IA64_TPREL64MSB: howto manager. (line 1754) -* BFD_RELOC_IP2K_ADDR16CJP: howto manager. (line 1641) -* BFD_RELOC_IP2K_BANK: howto manager. (line 1638) -* BFD_RELOC_IP2K_EX8DATA: howto manager. (line 1649) -* BFD_RELOC_IP2K_FR9: howto manager. (line 1635) -* BFD_RELOC_IP2K_FR_OFFSET: howto manager. (line 1662) -* BFD_RELOC_IP2K_HI8DATA: howto manager. (line 1648) -* BFD_RELOC_IP2K_HI8INSN: howto manager. (line 1653) -* BFD_RELOC_IP2K_LO8DATA: howto manager. (line 1647) -* BFD_RELOC_IP2K_LO8INSN: howto manager. (line 1652) -* BFD_RELOC_IP2K_PAGE3: howto manager. (line 1644) -* BFD_RELOC_IP2K_PC_SKIP: howto manager. (line 1656) -* BFD_RELOC_IP2K_TEXT: howto manager. (line 1659) -* BFD_RELOC_IQ2000_OFFSET_16: howto manager. (line 2058) -* BFD_RELOC_IQ2000_OFFSET_21: howto manager. (line 2059) -* BFD_RELOC_IQ2000_UHI16: howto manager. (line 2060) -* BFD_RELOC_LM32_16_GOT: howto manager. (line 2165) -* BFD_RELOC_LM32_BRANCH: howto manager. (line 2164) -* BFD_RELOC_LM32_CALL: howto manager. (line 2163) -* BFD_RELOC_LM32_COPY: howto manager. (line 2168) -* BFD_RELOC_LM32_GLOB_DAT: howto manager. (line 2169) -* BFD_RELOC_LM32_GOTOFF_HI16: howto manager. (line 2166) -* BFD_RELOC_LM32_GOTOFF_LO16: howto manager. (line 2167) -* BFD_RELOC_LM32_JMP_SLOT: howto manager. (line 2170) -* BFD_RELOC_LM32_RELATIVE: howto manager. (line 2171) -* BFD_RELOC_LO10: howto manager. (line 117) -* BFD_RELOC_LO16: howto manager. (line 351) -* BFD_RELOC_LO16_BASEREL: howto manager. (line 96) -* BFD_RELOC_LO16_GOTOFF: howto manager. (line 56) -* BFD_RELOC_LO16_PCREL: howto manager. (line 360) -* BFD_RELOC_LO16_PLTOFF: howto manager. (line 68) -* BFD_RELOC_M32C_HI8: howto manager. (line 1127) -* BFD_RELOC_M32C_RL_1ADDR: howto manager. (line 1129) -* BFD_RELOC_M32C_RL_2ADDR: howto manager. (line 1130) -* BFD_RELOC_M32C_RL_JUMP: howto manager. (line 1128) -* BFD_RELOC_M32R_10_PCREL: howto manager. (line 1137) -* BFD_RELOC_M32R_18_PCREL: howto manager. (line 1141) -* BFD_RELOC_M32R_24: howto manager. (line 1133) -* BFD_RELOC_M32R_26_PCREL: howto manager. (line 1144) -* BFD_RELOC_M32R_26_PLTREL: howto manager. (line 1163) -* BFD_RELOC_M32R_COPY: howto manager. (line 1164) -* BFD_RELOC_M32R_GLOB_DAT: howto manager. (line 1165) -* BFD_RELOC_M32R_GOT16_HI_SLO: howto manager. (line 1174) -* BFD_RELOC_M32R_GOT16_HI_ULO: howto manager. (line 1173) -* BFD_RELOC_M32R_GOT16_LO: howto manager. (line 1175) -* BFD_RELOC_M32R_GOT24: howto manager. (line 1162) -* BFD_RELOC_M32R_GOTOFF: howto manager. (line 1168) -* BFD_RELOC_M32R_GOTOFF_HI_SLO: howto manager. (line 1170) -* BFD_RELOC_M32R_GOTOFF_HI_ULO: howto manager. (line 1169) -* BFD_RELOC_M32R_GOTOFF_LO: howto manager. (line 1171) -* BFD_RELOC_M32R_GOTPC24: howto manager. (line 1172) -* BFD_RELOC_M32R_GOTPC_HI_SLO: howto manager. (line 1177) -* BFD_RELOC_M32R_GOTPC_HI_ULO: howto manager. (line 1176) -* BFD_RELOC_M32R_GOTPC_LO: howto manager. (line 1178) -* BFD_RELOC_M32R_HI16_SLO: howto manager. (line 1151) -* BFD_RELOC_M32R_HI16_ULO: howto manager. (line 1147) -* BFD_RELOC_M32R_JMP_SLOT: howto manager. (line 1166) -* BFD_RELOC_M32R_LO16: howto manager. (line 1155) -* BFD_RELOC_M32R_RELATIVE: howto manager. (line 1167) -* BFD_RELOC_M32R_SDA16: howto manager. (line 1158) -* BFD_RELOC_M68HC11_24: howto manager. (line 1803) -* BFD_RELOC_M68HC11_3B: howto manager. (line 1778) -* BFD_RELOC_M68HC11_HI8: howto manager. (line 1770) -* BFD_RELOC_M68HC11_LO16: howto manager. (line 1792) -* BFD_RELOC_M68HC11_LO8: howto manager. (line 1774) -* BFD_RELOC_M68HC11_PAGE: howto manager. (line 1798) -* BFD_RELOC_M68HC11_RL_GROUP: howto manager. (line 1787) -* BFD_RELOC_M68HC11_RL_JUMP: howto manager. (line 1781) -* BFD_RELOC_M68HC12_5B: howto manager. (line 1809) -* BFD_RELOC_MACH_O_PAIR: howto manager. (line 2178) -* BFD_RELOC_MACH_O_SECTDIFF: howto manager. (line 2174) -* BFD_RELOC_MCORE_PCREL_32: howto manager. (line 1318) -* BFD_RELOC_MCORE_PCREL_IMM11BY2: howto manager. (line 1316) -* BFD_RELOC_MCORE_PCREL_IMM4BY2: howto manager. (line 1317) -* BFD_RELOC_MCORE_PCREL_IMM8BY4: howto manager. (line 1315) -* BFD_RELOC_MCORE_PCREL_JSR_IMM11BY2: howto manager. (line 1319) -* BFD_RELOC_MCORE_RVA: howto manager. (line 1320) -* BFD_RELOC_MEP_16: howto manager. (line 1324) -* BFD_RELOC_MEP_32: howto manager. (line 1325) -* BFD_RELOC_MEP_8: howto manager. (line 1323) -* BFD_RELOC_MEP_ADDR24A4: howto manager. (line 1340) -* BFD_RELOC_MEP_GNU_VTENTRY: howto manager. (line 1342) -* BFD_RELOC_MEP_GNU_VTINHERIT: howto manager. (line 1341) -* BFD_RELOC_MEP_GPREL: howto manager. (line 1334) -* BFD_RELOC_MEP_HI16S: howto manager. (line 1333) -* BFD_RELOC_MEP_HI16U: howto manager. (line 1332) -* BFD_RELOC_MEP_LOW16: howto manager. (line 1331) -* BFD_RELOC_MEP_PCABS24A2: howto manager. (line 1330) -* BFD_RELOC_MEP_PCREL12A2: howto manager. (line 1327) -* BFD_RELOC_MEP_PCREL17A2: howto manager. (line 1328) -* BFD_RELOC_MEP_PCREL24A2: howto manager. (line 1329) -* BFD_RELOC_MEP_PCREL8A2: howto manager. (line 1326) -* BFD_RELOC_MEP_TPREL: howto manager. (line 1335) -* BFD_RELOC_MEP_TPREL7: howto manager. (line 1336) -* BFD_RELOC_MEP_TPREL7A2: howto manager. (line 1337) -* BFD_RELOC_MEP_TPREL7A4: howto manager. (line 1338) -* BFD_RELOC_MEP_UIMM24: howto manager. (line 1339) -* BFD_RELOC_MICROBLAZE_32_GOTOFF: howto manager. (line 2225) -* BFD_RELOC_MICROBLAZE_32_LO: howto manager. (line 2181) -* BFD_RELOC_MICROBLAZE_32_LO_PCREL: howto manager. (line 2185) -* BFD_RELOC_MICROBLAZE_32_ROSDA: howto manager. (line 2189) -* BFD_RELOC_MICROBLAZE_32_RWSDA: howto manager. (line 2193) -* BFD_RELOC_MICROBLAZE_32_SYM_OP_SYM: howto manager. (line 2197) -* BFD_RELOC_MICROBLAZE_64_GOT: howto manager. (line 2211) -* BFD_RELOC_MICROBLAZE_64_GOTOFF: howto manager. (line 2220) -* BFD_RELOC_MICROBLAZE_64_GOTPC: howto manager. (line 2206) -* BFD_RELOC_MICROBLAZE_64_NONE: howto manager. (line 2201) -* BFD_RELOC_MICROBLAZE_64_PLT: howto manager. (line 2215) -* BFD_RELOC_MICROBLAZE_COPY: howto manager. (line 2229) -* BFD_RELOC_MIPS16_CALL16: howto manager. (line 364) -* BFD_RELOC_MIPS16_GOT16: howto manager. (line 363) -* BFD_RELOC_MIPS16_GPREL: howto manager. (line 339) -* BFD_RELOC_MIPS16_HI16: howto manager. (line 368) -* BFD_RELOC_MIPS16_HI16_S: howto manager. (line 371) -* BFD_RELOC_MIPS16_JMP: howto manager. (line 336) -* BFD_RELOC_MIPS16_LO16: howto manager. (line 377) -* BFD_RELOC_MIPS_CALL16: howto manager. (line 384) -* BFD_RELOC_MIPS_CALL_HI16: howto manager. (line 387) -* BFD_RELOC_MIPS_CALL_LO16: howto manager. (line 388) -* BFD_RELOC_MIPS_COPY: howto manager. (line 419) -* BFD_RELOC_MIPS_DELETE: howto manager. (line 397) -* BFD_RELOC_MIPS_GOT16: howto manager. (line 383) -* BFD_RELOC_MIPS_GOT_DISP: howto manager. (line 392) -* BFD_RELOC_MIPS_GOT_HI16: howto manager. (line 385) -* BFD_RELOC_MIPS_GOT_LO16: howto manager. (line 386) -* BFD_RELOC_MIPS_GOT_OFST: howto manager. (line 391) -* BFD_RELOC_MIPS_GOT_PAGE: howto manager. (line 390) -* BFD_RELOC_MIPS_HIGHER: howto manager. (line 399) -* BFD_RELOC_MIPS_HIGHEST: howto manager. (line 398) -* BFD_RELOC_MIPS_INSERT_A: howto manager. (line 395) -* BFD_RELOC_MIPS_INSERT_B: howto manager. (line 396) -* BFD_RELOC_MIPS_JALR: howto manager. (line 403) -* BFD_RELOC_MIPS_JMP: howto manager. (line 332) -* BFD_RELOC_MIPS_JUMP_SLOT: howto manager. (line 420) -* BFD_RELOC_MIPS_LITERAL: howto manager. (line 380) -* BFD_RELOC_MIPS_REL16: howto manager. (line 401) -* BFD_RELOC_MIPS_RELGOT: howto manager. (line 402) -* BFD_RELOC_MIPS_SCN_DISP: howto manager. (line 400) -* BFD_RELOC_MIPS_SHIFT5: howto manager. (line 393) -* BFD_RELOC_MIPS_SHIFT6: howto manager. (line 394) -* BFD_RELOC_MIPS_SUB: howto manager. (line 389) -* BFD_RELOC_MIPS_TLS_DTPMOD32: howto manager. (line 404) -* BFD_RELOC_MIPS_TLS_DTPMOD64: howto manager. (line 406) -* BFD_RELOC_MIPS_TLS_DTPREL32: howto manager. (line 405) -* BFD_RELOC_MIPS_TLS_DTPREL64: howto manager. (line 407) -* BFD_RELOC_MIPS_TLS_DTPREL_HI16: howto manager. (line 410) -* BFD_RELOC_MIPS_TLS_DTPREL_LO16: howto manager. (line 411) -* BFD_RELOC_MIPS_TLS_GD: howto manager. (line 408) -* BFD_RELOC_MIPS_TLS_GOTTPREL: howto manager. (line 412) -* BFD_RELOC_MIPS_TLS_LDM: howto manager. (line 409) -* BFD_RELOC_MIPS_TLS_TPREL32: howto manager. (line 413) -* BFD_RELOC_MIPS_TLS_TPREL64: howto manager. (line 414) -* BFD_RELOC_MIPS_TLS_TPREL_HI16: howto manager. (line 415) -* BFD_RELOC_MIPS_TLS_TPREL_LO16: howto manager. (line 416) -* BFD_RELOC_MMIX_ADDR19: howto manager. (line 1371) -* BFD_RELOC_MMIX_ADDR27: howto manager. (line 1375) -* BFD_RELOC_MMIX_BASE_PLUS_OFFSET: howto manager. (line 1387) -* BFD_RELOC_MMIX_CBRANCH: howto manager. (line 1351) -* BFD_RELOC_MMIX_CBRANCH_1: howto manager. (line 1353) -* BFD_RELOC_MMIX_CBRANCH_2: howto manager. (line 1354) -* BFD_RELOC_MMIX_CBRANCH_3: howto manager. (line 1355) -* BFD_RELOC_MMIX_CBRANCH_J: howto manager. (line 1352) -* BFD_RELOC_MMIX_GETA: howto manager. (line 1345) -* BFD_RELOC_MMIX_GETA_1: howto manager. (line 1346) -* BFD_RELOC_MMIX_GETA_2: howto manager. (line 1347) -* BFD_RELOC_MMIX_GETA_3: howto manager. (line 1348) -* BFD_RELOC_MMIX_JMP: howto manager. (line 1365) -* BFD_RELOC_MMIX_JMP_1: howto manager. (line 1366) -* BFD_RELOC_MMIX_JMP_2: howto manager. (line 1367) -* BFD_RELOC_MMIX_JMP_3: howto manager. (line 1368) -* BFD_RELOC_MMIX_LOCAL: howto manager. (line 1391) -* BFD_RELOC_MMIX_PUSHJ: howto manager. (line 1358) -* BFD_RELOC_MMIX_PUSHJ_1: howto manager. (line 1359) -* BFD_RELOC_MMIX_PUSHJ_2: howto manager. (line 1360) -* BFD_RELOC_MMIX_PUSHJ_3: howto manager. (line 1361) -* BFD_RELOC_MMIX_PUSHJ_STUBBABLE: howto manager. (line 1362) -* BFD_RELOC_MMIX_REG: howto manager. (line 1383) -* BFD_RELOC_MMIX_REG_OR_BYTE: howto manager. (line 1379) -* BFD_RELOC_MN10300_16_PCREL: howto manager. (line 1253) -* BFD_RELOC_MN10300_32_PCREL: howto manager. (line 1249) -* BFD_RELOC_MN10300_ALIGN: howto manager. (line 499) -* BFD_RELOC_MN10300_COPY: howto manager. (line 482) -* BFD_RELOC_MN10300_GLOB_DAT: howto manager. (line 485) -* BFD_RELOC_MN10300_GOT16: howto manager. (line 478) -* BFD_RELOC_MN10300_GOT24: howto manager. (line 474) -* BFD_RELOC_MN10300_GOT32: howto manager. (line 470) -* BFD_RELOC_MN10300_GOTOFF24: howto manager. (line 467) -* BFD_RELOC_MN10300_JMP_SLOT: howto manager. (line 488) -* BFD_RELOC_MN10300_RELATIVE: howto manager. (line 491) -* BFD_RELOC_MN10300_SYM_DIFF: howto manager. (line 494) -* BFD_RELOC_MOXIE_10_PCREL: howto manager. (line 423) -* BFD_RELOC_MSP430_10_PCREL: howto manager. (line 2049) -* BFD_RELOC_MSP430_16: howto manager. (line 2051) -* BFD_RELOC_MSP430_16_BYTE: howto manager. (line 2053) -* BFD_RELOC_MSP430_16_PCREL: howto manager. (line 2050) -* BFD_RELOC_MSP430_16_PCREL_BYTE: howto manager. (line 2052) -* BFD_RELOC_MSP430_2X_PCREL: howto manager. (line 2054) -* BFD_RELOC_MSP430_RL_PCREL: howto manager. (line 2055) -* BFD_RELOC_MT_GNU_VTENTRY: howto manager. (line 2043) -* BFD_RELOC_MT_GNU_VTINHERIT: howto manager. (line 2040) -* BFD_RELOC_MT_HI16: howto manager. (line 2034) -* BFD_RELOC_MT_LO16: howto manager. (line 2037) -* BFD_RELOC_MT_PC16: howto manager. (line 2031) -* BFD_RELOC_MT_PCINSN8: howto manager. (line 2046) -* BFD_RELOC_NONE: howto manager. (line 131) -* BFD_RELOC_NS32K_DISP_16: howto manager. (line 565) -* BFD_RELOC_NS32K_DISP_16_PCREL: howto manager. (line 568) -* BFD_RELOC_NS32K_DISP_32: howto manager. (line 566) -* BFD_RELOC_NS32K_DISP_32_PCREL: howto manager. (line 569) -* BFD_RELOC_NS32K_DISP_8: howto manager. (line 564) -* BFD_RELOC_NS32K_DISP_8_PCREL: howto manager. (line 567) -* BFD_RELOC_NS32K_IMM_16: howto manager. (line 559) -* BFD_RELOC_NS32K_IMM_16_PCREL: howto manager. (line 562) -* BFD_RELOC_NS32K_IMM_32: howto manager. (line 560) -* BFD_RELOC_NS32K_IMM_32_PCREL: howto manager. (line 563) -* BFD_RELOC_NS32K_IMM_8: howto manager. (line 558) -* BFD_RELOC_NS32K_IMM_8_PCREL: howto manager. (line 561) -* BFD_RELOC_OPENRISC_ABS_26: howto manager. (line 2000) -* BFD_RELOC_OPENRISC_REL_26: howto manager. (line 2001) -* BFD_RELOC_PDP11_DISP_6_PCREL: howto manager. (line 573) -* BFD_RELOC_PDP11_DISP_8_PCREL: howto manager. (line 572) -* BFD_RELOC_PJ_CODE_DIR16: howto manager. (line 578) -* BFD_RELOC_PJ_CODE_DIR32: howto manager. (line 579) -* BFD_RELOC_PJ_CODE_HI16: howto manager. (line 576) -* BFD_RELOC_PJ_CODE_LO16: howto manager. (line 577) -* BFD_RELOC_PJ_CODE_REL16: howto manager. (line 580) -* BFD_RELOC_PJ_CODE_REL32: howto manager. (line 581) -* BFD_RELOC_PPC64_ADDR16_DS: howto manager. (line 626) -* BFD_RELOC_PPC64_ADDR16_LO_DS: howto manager. (line 627) -* BFD_RELOC_PPC64_DTPREL16_DS: howto manager. (line 675) -* BFD_RELOC_PPC64_DTPREL16_HIGHER: howto manager. (line 677) -* BFD_RELOC_PPC64_DTPREL16_HIGHERA: howto manager. (line 678) -* BFD_RELOC_PPC64_DTPREL16_HIGHEST: howto manager. (line 679) -* BFD_RELOC_PPC64_DTPREL16_HIGHESTA: howto manager. (line 680) -* BFD_RELOC_PPC64_DTPREL16_LO_DS: howto manager. (line 676) -* BFD_RELOC_PPC64_GOT16_DS: howto manager. (line 628) -* BFD_RELOC_PPC64_GOT16_LO_DS: howto manager. (line 629) -* BFD_RELOC_PPC64_HIGHER: howto manager. (line 614) -* BFD_RELOC_PPC64_HIGHER_S: howto manager. (line 615) -* BFD_RELOC_PPC64_HIGHEST: howto manager. (line 616) -* BFD_RELOC_PPC64_HIGHEST_S: howto manager. (line 617) -* BFD_RELOC_PPC64_PLT16_LO_DS: howto manager. (line 630) -* BFD_RELOC_PPC64_PLTGOT16: howto manager. (line 622) -* BFD_RELOC_PPC64_PLTGOT16_DS: howto manager. (line 635) -* BFD_RELOC_PPC64_PLTGOT16_HA: howto manager. (line 625) -* BFD_RELOC_PPC64_PLTGOT16_HI: howto manager. (line 624) -* BFD_RELOC_PPC64_PLTGOT16_LO: howto manager. (line 623) -* BFD_RELOC_PPC64_PLTGOT16_LO_DS: howto manager. (line 636) -* BFD_RELOC_PPC64_SECTOFF_DS: howto manager. (line 631) -* BFD_RELOC_PPC64_SECTOFF_LO_DS: howto manager. (line 632) -* BFD_RELOC_PPC64_TOC: howto manager. (line 621) -* BFD_RELOC_PPC64_TOC16_DS: howto manager. (line 633) -* BFD_RELOC_PPC64_TOC16_HA: howto manager. (line 620) -* BFD_RELOC_PPC64_TOC16_HI: howto manager. (line 619) -* BFD_RELOC_PPC64_TOC16_LO: howto manager. (line 618) -* BFD_RELOC_PPC64_TOC16_LO_DS: howto manager. (line 634) -* BFD_RELOC_PPC64_TPREL16_DS: howto manager. (line 669) -* BFD_RELOC_PPC64_TPREL16_HIGHER: howto manager. (line 671) -* BFD_RELOC_PPC64_TPREL16_HIGHERA: howto manager. (line 672) -* BFD_RELOC_PPC64_TPREL16_HIGHEST: howto manager. (line 673) -* BFD_RELOC_PPC64_TPREL16_HIGHESTA: howto manager. (line 674) -* BFD_RELOC_PPC64_TPREL16_LO_DS: howto manager. (line 670) -* BFD_RELOC_PPC_B16: howto manager. (line 587) -* BFD_RELOC_PPC_B16_BRNTAKEN: howto manager. (line 589) -* BFD_RELOC_PPC_B16_BRTAKEN: howto manager. (line 588) -* BFD_RELOC_PPC_B26: howto manager. (line 584) -* BFD_RELOC_PPC_BA16: howto manager. (line 590) -* BFD_RELOC_PPC_BA16_BRNTAKEN: howto manager. (line 592) -* BFD_RELOC_PPC_BA16_BRTAKEN: howto manager. (line 591) -* BFD_RELOC_PPC_BA26: howto manager. (line 585) -* BFD_RELOC_PPC_COPY: howto manager. (line 593) -* BFD_RELOC_PPC_DTPMOD: howto manager. (line 642) -* BFD_RELOC_PPC_DTPREL: howto manager. (line 652) -* BFD_RELOC_PPC_DTPREL16: howto manager. (line 648) -* BFD_RELOC_PPC_DTPREL16_HA: howto manager. (line 651) -* BFD_RELOC_PPC_DTPREL16_HI: howto manager. (line 650) -* BFD_RELOC_PPC_DTPREL16_LO: howto manager. (line 649) -* BFD_RELOC_PPC_EMB_BIT_FLD: howto manager. (line 612) -* BFD_RELOC_PPC_EMB_MRKREF: howto manager. (line 607) -* BFD_RELOC_PPC_EMB_NADDR16: howto manager. (line 599) -* BFD_RELOC_PPC_EMB_NADDR16_HA: howto manager. (line 602) -* BFD_RELOC_PPC_EMB_NADDR16_HI: howto manager. (line 601) -* BFD_RELOC_PPC_EMB_NADDR16_LO: howto manager. (line 600) -* BFD_RELOC_PPC_EMB_NADDR32: howto manager. (line 598) -* BFD_RELOC_PPC_EMB_RELSDA: howto manager. (line 613) -* BFD_RELOC_PPC_EMB_RELSEC16: howto manager. (line 608) -* BFD_RELOC_PPC_EMB_RELST_HA: howto manager. (line 611) -* BFD_RELOC_PPC_EMB_RELST_HI: howto manager. (line 610) -* BFD_RELOC_PPC_EMB_RELST_LO: howto manager. (line 609) -* BFD_RELOC_PPC_EMB_SDA21: howto manager. (line 606) -* BFD_RELOC_PPC_EMB_SDA2I16: howto manager. (line 604) -* BFD_RELOC_PPC_EMB_SDA2REL: howto manager. (line 605) -* BFD_RELOC_PPC_EMB_SDAI16: howto manager. (line 603) -* BFD_RELOC_PPC_GLOB_DAT: howto manager. (line 594) -* BFD_RELOC_PPC_GOT_DTPREL16: howto manager. (line 665) -* BFD_RELOC_PPC_GOT_DTPREL16_HA: howto manager. (line 668) -* BFD_RELOC_PPC_GOT_DTPREL16_HI: howto manager. (line 667) -* BFD_RELOC_PPC_GOT_DTPREL16_LO: howto manager. (line 666) -* BFD_RELOC_PPC_GOT_TLSGD16: howto manager. (line 653) -* BFD_RELOC_PPC_GOT_TLSGD16_HA: howto manager. (line 656) -* BFD_RELOC_PPC_GOT_TLSGD16_HI: howto manager. (line 655) -* BFD_RELOC_PPC_GOT_TLSGD16_LO: howto manager. (line 654) -* BFD_RELOC_PPC_GOT_TLSLD16: howto manager. (line 657) -* BFD_RELOC_PPC_GOT_TLSLD16_HA: howto manager. (line 660) -* BFD_RELOC_PPC_GOT_TLSLD16_HI: howto manager. (line 659) -* BFD_RELOC_PPC_GOT_TLSLD16_LO: howto manager. (line 658) -* BFD_RELOC_PPC_GOT_TPREL16: howto manager. (line 661) -* BFD_RELOC_PPC_GOT_TPREL16_HA: howto manager. (line 664) -* BFD_RELOC_PPC_GOT_TPREL16_HI: howto manager. (line 663) -* BFD_RELOC_PPC_GOT_TPREL16_LO: howto manager. (line 662) -* BFD_RELOC_PPC_JMP_SLOT: howto manager. (line 595) -* BFD_RELOC_PPC_LOCAL24PC: howto manager. (line 597) -* BFD_RELOC_PPC_RELATIVE: howto manager. (line 596) -* BFD_RELOC_PPC_TLS: howto manager. (line 639) -* BFD_RELOC_PPC_TLSGD: howto manager. (line 640) -* BFD_RELOC_PPC_TLSLD: howto manager. (line 641) -* BFD_RELOC_PPC_TOC16: howto manager. (line 586) -* BFD_RELOC_PPC_TPREL: howto manager. (line 647) -* BFD_RELOC_PPC_TPREL16: howto manager. (line 643) -* BFD_RELOC_PPC_TPREL16_HA: howto manager. (line 646) -* BFD_RELOC_PPC_TPREL16_HI: howto manager. (line 645) -* BFD_RELOC_PPC_TPREL16_LO: howto manager. (line 644) -* BFD_RELOC_RELC: howto manager. (line 2017) -* BFD_RELOC_RVA: howto manager. (line 100) -* BFD_RELOC_SCORE16_BRANCH: howto manager. (line 1623) -* BFD_RELOC_SCORE16_JMP: howto manager. (line 1620) -* BFD_RELOC_SCORE_BCMP: howto manager. (line 1626) -* BFD_RELOC_SCORE_BRANCH: howto manager. (line 1611) -* BFD_RELOC_SCORE_CALL15: howto manager. (line 1631) -* BFD_RELOC_SCORE_DUMMY2: howto manager. (line 1607) -* BFD_RELOC_SCORE_DUMMY_HI16: howto manager. (line 1632) -* BFD_RELOC_SCORE_GOT15: howto manager. (line 1629) -* BFD_RELOC_SCORE_GOT_LO16: howto manager. (line 1630) -* BFD_RELOC_SCORE_GPREL15: howto manager. (line 1604) -* BFD_RELOC_SCORE_IMM30: howto manager. (line 1614) -* BFD_RELOC_SCORE_IMM32: howto manager. (line 1617) -* BFD_RELOC_SCORE_JMP: howto manager. (line 1608) -* BFD_RELOC_SH_ALIGN: howto manager. (line 863) -* BFD_RELOC_SH_CODE: howto manager. (line 864) -* BFD_RELOC_SH_COPY: howto manager. (line 869) -* BFD_RELOC_SH_COPY64: howto manager. (line 894) -* BFD_RELOC_SH_COUNT: howto manager. (line 862) -* BFD_RELOC_SH_DATA: howto manager. (line 865) -* BFD_RELOC_SH_DISP12: howto manager. (line 845) -* BFD_RELOC_SH_DISP12BY2: howto manager. (line 846) -* BFD_RELOC_SH_DISP12BY4: howto manager. (line 847) -* BFD_RELOC_SH_DISP12BY8: howto manager. (line 848) -* BFD_RELOC_SH_DISP20: howto manager. (line 849) -* BFD_RELOC_SH_DISP20BY8: howto manager. (line 850) -* BFD_RELOC_SH_GLOB_DAT: howto manager. (line 870) -* BFD_RELOC_SH_GLOB_DAT64: howto manager. (line 895) -* BFD_RELOC_SH_GOT10BY4: howto manager. (line 898) -* BFD_RELOC_SH_GOT10BY8: howto manager. (line 899) -* BFD_RELOC_SH_GOT_HI16: howto manager. (line 877) -* BFD_RELOC_SH_GOT_LOW16: howto manager. (line 874) -* BFD_RELOC_SH_GOT_MEDHI16: howto manager. (line 876) -* BFD_RELOC_SH_GOT_MEDLOW16: howto manager. (line 875) -* BFD_RELOC_SH_GOTOFF_HI16: howto manager. (line 889) -* BFD_RELOC_SH_GOTOFF_LOW16: howto manager. (line 886) -* BFD_RELOC_SH_GOTOFF_MEDHI16: howto manager. (line 888) -* BFD_RELOC_SH_GOTOFF_MEDLOW16: howto manager. (line 887) -* BFD_RELOC_SH_GOTPC: howto manager. (line 873) -* BFD_RELOC_SH_GOTPC_HI16: howto manager. (line 893) -* BFD_RELOC_SH_GOTPC_LOW16: howto manager. (line 890) -* BFD_RELOC_SH_GOTPC_MEDHI16: howto manager. (line 892) -* BFD_RELOC_SH_GOTPC_MEDLOW16: howto manager. (line 891) -* BFD_RELOC_SH_GOTPLT10BY4: howto manager. (line 900) -* BFD_RELOC_SH_GOTPLT10BY8: howto manager. (line 901) -* BFD_RELOC_SH_GOTPLT32: howto manager. (line 902) -* BFD_RELOC_SH_GOTPLT_HI16: howto manager. (line 881) -* BFD_RELOC_SH_GOTPLT_LOW16: howto manager. (line 878) -* BFD_RELOC_SH_GOTPLT_MEDHI16: howto manager. (line 880) -* BFD_RELOC_SH_GOTPLT_MEDLOW16: howto manager. (line 879) -* BFD_RELOC_SH_IMM3: howto manager. (line 843) -* BFD_RELOC_SH_IMM3U: howto manager. (line 844) -* BFD_RELOC_SH_IMM4: howto manager. (line 851) -* BFD_RELOC_SH_IMM4BY2: howto manager. (line 852) -* BFD_RELOC_SH_IMM4BY4: howto manager. (line 853) -* BFD_RELOC_SH_IMM8: howto manager. (line 854) -* BFD_RELOC_SH_IMM8BY2: howto manager. (line 855) -* BFD_RELOC_SH_IMM8BY4: howto manager. (line 856) -* BFD_RELOC_SH_IMM_HI16: howto manager. (line 920) -* BFD_RELOC_SH_IMM_HI16_PCREL: howto manager. (line 921) -* BFD_RELOC_SH_IMM_LOW16: howto manager. (line 914) -* BFD_RELOC_SH_IMM_LOW16_PCREL: howto manager. (line 915) -* BFD_RELOC_SH_IMM_MEDHI16: howto manager. (line 918) -* BFD_RELOC_SH_IMM_MEDHI16_PCREL: howto manager. (line 919) -* BFD_RELOC_SH_IMM_MEDLOW16: howto manager. (line 916) -* BFD_RELOC_SH_IMM_MEDLOW16_PCREL: howto manager. (line 917) -* BFD_RELOC_SH_IMMS10: howto manager. (line 908) -* BFD_RELOC_SH_IMMS10BY2: howto manager. (line 909) -* BFD_RELOC_SH_IMMS10BY4: howto manager. (line 910) -* BFD_RELOC_SH_IMMS10BY8: howto manager. (line 911) -* BFD_RELOC_SH_IMMS16: howto manager. (line 912) -* BFD_RELOC_SH_IMMS6: howto manager. (line 905) -* BFD_RELOC_SH_IMMS6BY32: howto manager. (line 906) -* BFD_RELOC_SH_IMMU16: howto manager. (line 913) -* BFD_RELOC_SH_IMMU5: howto manager. (line 904) -* BFD_RELOC_SH_IMMU6: howto manager. (line 907) -* BFD_RELOC_SH_JMP_SLOT: howto manager. (line 871) -* BFD_RELOC_SH_JMP_SLOT64: howto manager. (line 896) -* BFD_RELOC_SH_LABEL: howto manager. (line 866) -* BFD_RELOC_SH_LOOP_END: howto manager. (line 868) -* BFD_RELOC_SH_LOOP_START: howto manager. (line 867) -* BFD_RELOC_SH_PCDISP12BY2: howto manager. (line 842) -* BFD_RELOC_SH_PCDISP8BY2: howto manager. (line 841) -* BFD_RELOC_SH_PCRELIMM8BY2: howto manager. (line 857) -* BFD_RELOC_SH_PCRELIMM8BY4: howto manager. (line 858) -* BFD_RELOC_SH_PLT_HI16: howto manager. (line 885) -* BFD_RELOC_SH_PLT_LOW16: howto manager. (line 882) -* BFD_RELOC_SH_PLT_MEDHI16: howto manager. (line 884) -* BFD_RELOC_SH_PLT_MEDLOW16: howto manager. (line 883) -* BFD_RELOC_SH_PT_16: howto manager. (line 922) -* BFD_RELOC_SH_RELATIVE: howto manager. (line 872) -* BFD_RELOC_SH_RELATIVE64: howto manager. (line 897) -* BFD_RELOC_SH_SHMEDIA_CODE: howto manager. (line 903) -* BFD_RELOC_SH_SWITCH16: howto manager. (line 859) -* BFD_RELOC_SH_SWITCH32: howto manager. (line 860) -* BFD_RELOC_SH_TLS_DTPMOD32: howto manager. (line 928) -* BFD_RELOC_SH_TLS_DTPOFF32: howto manager. (line 929) -* BFD_RELOC_SH_TLS_GD_32: howto manager. (line 923) -* BFD_RELOC_SH_TLS_IE_32: howto manager. (line 926) -* BFD_RELOC_SH_TLS_LD_32: howto manager. (line 924) -* BFD_RELOC_SH_TLS_LDO_32: howto manager. (line 925) -* BFD_RELOC_SH_TLS_LE_32: howto manager. (line 927) -* BFD_RELOC_SH_TLS_TPOFF32: howto manager. (line 930) -* BFD_RELOC_SH_USES: howto manager. (line 861) -* BFD_RELOC_SPARC13: howto manager. (line 134) -* BFD_RELOC_SPARC22: howto manager. (line 133) -* BFD_RELOC_SPARC_10: howto manager. (line 161) -* BFD_RELOC_SPARC_11: howto manager. (line 162) -* BFD_RELOC_SPARC_5: howto manager. (line 174) -* BFD_RELOC_SPARC_6: howto manager. (line 173) -* BFD_RELOC_SPARC_64: howto manager. (line 160) -* BFD_RELOC_SPARC_7: howto manager. (line 172) -* BFD_RELOC_SPARC_BASE13: howto manager. (line 156) -* BFD_RELOC_SPARC_BASE22: howto manager. (line 157) -* BFD_RELOC_SPARC_COPY: howto manager. (line 141) -* BFD_RELOC_SPARC_DISP64: howto manager. (line 175) -* BFD_RELOC_SPARC_GLOB_DAT: howto manager. (line 142) -* BFD_RELOC_SPARC_GOT10: howto manager. (line 135) -* BFD_RELOC_SPARC_GOT13: howto manager. (line 136) -* BFD_RELOC_SPARC_GOT22: howto manager. (line 137) -* BFD_RELOC_SPARC_GOTDATA_HIX22: howto manager. (line 148) -* BFD_RELOC_SPARC_GOTDATA_LOX10: howto manager. (line 149) -* BFD_RELOC_SPARC_GOTDATA_OP: howto manager. (line 152) -* BFD_RELOC_SPARC_GOTDATA_OP_HIX22: howto manager. (line 150) -* BFD_RELOC_SPARC_GOTDATA_OP_LOX10: howto manager. (line 151) -* BFD_RELOC_SPARC_H44: howto manager. (line 180) -* BFD_RELOC_SPARC_HH22: howto manager. (line 164) -* BFD_RELOC_SPARC_HIX22: howto manager. (line 178) -* BFD_RELOC_SPARC_HM10: howto manager. (line 165) -* BFD_RELOC_SPARC_JMP_SLOT: howto manager. (line 143) -* BFD_RELOC_SPARC_L44: howto manager. (line 182) -* BFD_RELOC_SPARC_LM22: howto manager. (line 166) -* BFD_RELOC_SPARC_LOX10: howto manager. (line 179) -* BFD_RELOC_SPARC_M44: howto manager. (line 181) -* BFD_RELOC_SPARC_OLO10: howto manager. (line 163) -* BFD_RELOC_SPARC_PC10: howto manager. (line 138) -* BFD_RELOC_SPARC_PC22: howto manager. (line 139) -* BFD_RELOC_SPARC_PC_HH22: howto manager. (line 167) -* BFD_RELOC_SPARC_PC_HM10: howto manager. (line 168) -* BFD_RELOC_SPARC_PC_LM22: howto manager. (line 169) -* BFD_RELOC_SPARC_PLT32: howto manager. (line 176) -* BFD_RELOC_SPARC_PLT64: howto manager. (line 177) -* BFD_RELOC_SPARC_REGISTER: howto manager. (line 183) -* BFD_RELOC_SPARC_RELATIVE: howto manager. (line 144) -* BFD_RELOC_SPARC_REV32: howto manager. (line 186) -* BFD_RELOC_SPARC_TLS_DTPMOD32: howto manager. (line 207) -* BFD_RELOC_SPARC_TLS_DTPMOD64: howto manager. (line 208) -* BFD_RELOC_SPARC_TLS_DTPOFF32: howto manager. (line 209) -* BFD_RELOC_SPARC_TLS_DTPOFF64: howto manager. (line 210) -* BFD_RELOC_SPARC_TLS_GD_ADD: howto manager. (line 191) -* BFD_RELOC_SPARC_TLS_GD_CALL: howto manager. (line 192) -* BFD_RELOC_SPARC_TLS_GD_HI22: howto manager. (line 189) -* BFD_RELOC_SPARC_TLS_GD_LO10: howto manager. (line 190) -* BFD_RELOC_SPARC_TLS_IE_ADD: howto manager. (line 204) -* BFD_RELOC_SPARC_TLS_IE_HI22: howto manager. (line 200) -* BFD_RELOC_SPARC_TLS_IE_LD: howto manager. (line 202) -* BFD_RELOC_SPARC_TLS_IE_LDX: howto manager. (line 203) -* BFD_RELOC_SPARC_TLS_IE_LO10: howto manager. (line 201) -* BFD_RELOC_SPARC_TLS_LDM_ADD: howto manager. (line 195) -* BFD_RELOC_SPARC_TLS_LDM_CALL: howto manager. (line 196) -* BFD_RELOC_SPARC_TLS_LDM_HI22: howto manager. (line 193) -* BFD_RELOC_SPARC_TLS_LDM_LO10: howto manager. (line 194) -* BFD_RELOC_SPARC_TLS_LDO_ADD: howto manager. (line 199) -* BFD_RELOC_SPARC_TLS_LDO_HIX22: howto manager. (line 197) -* BFD_RELOC_SPARC_TLS_LDO_LOX10: howto manager. (line 198) -* BFD_RELOC_SPARC_TLS_LE_HIX22: howto manager. (line 205) -* BFD_RELOC_SPARC_TLS_LE_LOX10: howto manager. (line 206) -* BFD_RELOC_SPARC_TLS_TPOFF32: howto manager. (line 211) -* BFD_RELOC_SPARC_TLS_TPOFF64: howto manager. (line 212) -* BFD_RELOC_SPARC_UA16: howto manager. (line 145) -* BFD_RELOC_SPARC_UA32: howto manager. (line 146) -* BFD_RELOC_SPARC_UA64: howto manager. (line 147) -* BFD_RELOC_SPARC_WDISP16: howto manager. (line 170) -* BFD_RELOC_SPARC_WDISP19: howto manager. (line 171) -* BFD_RELOC_SPARC_WDISP22: howto manager. (line 132) -* BFD_RELOC_SPARC_WPLT30: howto manager. (line 140) -* BFD_RELOC_SPU_ADD_PIC: howto manager. (line 229) -* BFD_RELOC_SPU_HI16: howto manager. (line 226) -* BFD_RELOC_SPU_IMM10: howto manager. (line 217) -* BFD_RELOC_SPU_IMM10W: howto manager. (line 218) -* BFD_RELOC_SPU_IMM16: howto manager. (line 219) -* BFD_RELOC_SPU_IMM16W: howto manager. (line 220) -* BFD_RELOC_SPU_IMM18: howto manager. (line 221) -* BFD_RELOC_SPU_IMM7: howto manager. (line 215) -* BFD_RELOC_SPU_IMM8: howto manager. (line 216) -* BFD_RELOC_SPU_LO16: howto manager. (line 225) -* BFD_RELOC_SPU_PCREL16: howto manager. (line 224) -* BFD_RELOC_SPU_PCREL9a: howto manager. (line 222) -* BFD_RELOC_SPU_PCREL9b: howto manager. (line 223) -* BFD_RELOC_SPU_PPU32: howto manager. (line 227) -* BFD_RELOC_SPU_PPU64: howto manager. (line 228) -* BFD_RELOC_THUMB_PCREL_BLX: howto manager. (line 701) -* BFD_RELOC_THUMB_PCREL_BRANCH12: howto manager. (line 715) -* BFD_RELOC_THUMB_PCREL_BRANCH20: howto manager. (line 716) -* BFD_RELOC_THUMB_PCREL_BRANCH23: howto manager. (line 717) -* BFD_RELOC_THUMB_PCREL_BRANCH25: howto manager. (line 718) -* BFD_RELOC_THUMB_PCREL_BRANCH7: howto manager. (line 713) -* BFD_RELOC_THUMB_PCREL_BRANCH9: howto manager. (line 714) -* BFD_RELOC_TIC30_LDP: howto manager. (line 1257) -* BFD_RELOC_TIC54X_16_OF_23: howto manager. (line 1275) -* BFD_RELOC_TIC54X_23: howto manager. (line 1272) -* BFD_RELOC_TIC54X_MS7_OF_23: howto manager. (line 1280) -* BFD_RELOC_TIC54X_PARTLS7: howto manager. (line 1262) -* BFD_RELOC_TIC54X_PARTMS9: howto manager. (line 1267) -* bfd_reloc_type_lookup: howto manager. (line 2234) -* BFD_RELOC_V850_22_PCREL: howto manager. (line 1184) -* BFD_RELOC_V850_9_PCREL: howto manager. (line 1181) -* BFD_RELOC_V850_ALIGN: howto manager. (line 1242) -* BFD_RELOC_V850_CALLT_16_16_OFFSET: howto manager. (line 1233) -* BFD_RELOC_V850_CALLT_6_7_OFFSET: howto manager. (line 1230) -* BFD_RELOC_V850_LO16_SPLIT_OFFSET: howto manager. (line 1245) -* BFD_RELOC_V850_LONGCALL: howto manager. (line 1236) -* BFD_RELOC_V850_LONGJUMP: howto manager. (line 1239) -* BFD_RELOC_V850_SDA_15_16_OFFSET: howto manager. (line 1190) -* BFD_RELOC_V850_SDA_16_16_OFFSET: howto manager. (line 1187) -* BFD_RELOC_V850_SDA_16_16_SPLIT_OFFSET: howto manager. (line 1222) -* BFD_RELOC_V850_TDA_16_16_OFFSET: howto manager. (line 1212) -* BFD_RELOC_V850_TDA_4_4_OFFSET: howto manager. (line 1219) -* BFD_RELOC_V850_TDA_4_5_OFFSET: howto manager. (line 1215) -* BFD_RELOC_V850_TDA_6_8_OFFSET: howto manager. (line 1201) -* BFD_RELOC_V850_TDA_7_7_OFFSET: howto manager. (line 1209) -* BFD_RELOC_V850_TDA_7_8_OFFSET: howto manager. (line 1205) -* BFD_RELOC_V850_ZDA_15_16_OFFSET: howto manager. (line 1197) -* BFD_RELOC_V850_ZDA_16_16_OFFSET: howto manager. (line 1194) -* BFD_RELOC_V850_ZDA_16_16_SPLIT_OFFSET: howto manager. (line 1226) -* BFD_RELOC_VAX_GLOB_DAT: howto manager. (line 2026) -* BFD_RELOC_VAX_JMP_SLOT: howto manager. (line 2027) -* BFD_RELOC_VAX_RELATIVE: howto manager. (line 2028) -* BFD_RELOC_VPE4KMATH_DATA: howto manager. (line 1665) -* BFD_RELOC_VPE4KMATH_INSN: howto manager. (line 1666) -* BFD_RELOC_VTABLE_ENTRY: howto manager. (line 1670) -* BFD_RELOC_VTABLE_INHERIT: howto manager. (line 1669) -* BFD_RELOC_X86_64_32S: howto manager. (line 536) -* BFD_RELOC_X86_64_COPY: howto manager. (line 531) -* BFD_RELOC_X86_64_DTPMOD64: howto manager. (line 537) -* BFD_RELOC_X86_64_DTPOFF32: howto manager. (line 542) -* BFD_RELOC_X86_64_DTPOFF64: howto manager. (line 538) -* BFD_RELOC_X86_64_GLOB_DAT: howto manager. (line 532) -* BFD_RELOC_X86_64_GOT32: howto manager. (line 529) -* BFD_RELOC_X86_64_GOT64: howto manager. (line 547) -* BFD_RELOC_X86_64_GOTOFF64: howto manager. (line 545) -* BFD_RELOC_X86_64_GOTPC32: howto manager. (line 546) -* BFD_RELOC_X86_64_GOTPC32_TLSDESC: howto manager. (line 552) -* BFD_RELOC_X86_64_GOTPC64: howto manager. (line 549) -* BFD_RELOC_X86_64_GOTPCREL: howto manager. (line 535) -* BFD_RELOC_X86_64_GOTPCREL64: howto manager. (line 548) -* BFD_RELOC_X86_64_GOTPLT64: howto manager. (line 550) -* BFD_RELOC_X86_64_GOTTPOFF: howto manager. (line 543) -* BFD_RELOC_X86_64_IRELATIVE: howto manager. (line 555) -* BFD_RELOC_X86_64_JUMP_SLOT: howto manager. (line 533) -* BFD_RELOC_X86_64_PLT32: howto manager. (line 530) -* BFD_RELOC_X86_64_PLTOFF64: howto manager. (line 551) -* BFD_RELOC_X86_64_RELATIVE: howto manager. (line 534) -* BFD_RELOC_X86_64_TLSDESC: howto manager. (line 554) -* BFD_RELOC_X86_64_TLSDESC_CALL: howto manager. (line 553) -* BFD_RELOC_X86_64_TLSGD: howto manager. (line 540) -* BFD_RELOC_X86_64_TLSLD: howto manager. (line 541) -* BFD_RELOC_X86_64_TPOFF32: howto manager. (line 544) -* BFD_RELOC_X86_64_TPOFF64: howto manager. (line 539) -* BFD_RELOC_XC16X_PAG: howto manager. (line 2020) -* BFD_RELOC_XC16X_POF: howto manager. (line 2021) -* BFD_RELOC_XC16X_SEG: howto manager. (line 2022) -* BFD_RELOC_XC16X_SOF: howto manager. (line 2023) -* BFD_RELOC_XSTORMY16_12: howto manager. (line 2012) -* BFD_RELOC_XSTORMY16_24: howto manager. (line 2013) -* BFD_RELOC_XSTORMY16_FPTR16: howto manager. (line 2014) -* BFD_RELOC_XSTORMY16_REL_12: howto manager. (line 2011) -* BFD_RELOC_XTENSA_ASM_EXPAND: howto manager. (line 2132) -* BFD_RELOC_XTENSA_ASM_SIMPLIFY: howto manager. (line 2137) -* BFD_RELOC_XTENSA_DIFF16: howto manager. (line 2079) -* BFD_RELOC_XTENSA_DIFF32: howto manager. (line 2080) -* BFD_RELOC_XTENSA_DIFF8: howto manager. (line 2078) -* BFD_RELOC_XTENSA_GLOB_DAT: howto manager. (line 2068) -* BFD_RELOC_XTENSA_JMP_SLOT: howto manager. (line 2069) -* BFD_RELOC_XTENSA_OP0: howto manager. (line 2126) -* BFD_RELOC_XTENSA_OP1: howto manager. (line 2127) -* BFD_RELOC_XTENSA_OP2: howto manager. (line 2128) -* BFD_RELOC_XTENSA_PLT: howto manager. (line 2073) -* BFD_RELOC_XTENSA_RELATIVE: howto manager. (line 2070) -* BFD_RELOC_XTENSA_RTLD: howto manager. (line 2063) -* BFD_RELOC_XTENSA_SLOT0_ALT: howto manager. (line 2108) -* BFD_RELOC_XTENSA_SLOT0_OP: howto manager. (line 2088) -* BFD_RELOC_XTENSA_SLOT10_ALT: howto manager. (line 2118) -* BFD_RELOC_XTENSA_SLOT10_OP: howto manager. (line 2098) -* BFD_RELOC_XTENSA_SLOT11_ALT: howto manager. (line 2119) -* BFD_RELOC_XTENSA_SLOT11_OP: howto manager. (line 2099) -* BFD_RELOC_XTENSA_SLOT12_ALT: howto manager. (line 2120) -* BFD_RELOC_XTENSA_SLOT12_OP: howto manager. (line 2100) -* BFD_RELOC_XTENSA_SLOT13_ALT: howto manager. (line 2121) -* BFD_RELOC_XTENSA_SLOT13_OP: howto manager. (line 2101) -* BFD_RELOC_XTENSA_SLOT14_ALT: howto manager. (line 2122) -* BFD_RELOC_XTENSA_SLOT14_OP: howto manager. (line 2102) -* BFD_RELOC_XTENSA_SLOT1_ALT: howto manager. (line 2109) -* BFD_RELOC_XTENSA_SLOT1_OP: howto manager. (line 2089) -* BFD_RELOC_XTENSA_SLOT2_ALT: howto manager. (line 2110) -* BFD_RELOC_XTENSA_SLOT2_OP: howto manager. (line 2090) -* BFD_RELOC_XTENSA_SLOT3_ALT: howto manager. (line 2111) -* BFD_RELOC_XTENSA_SLOT3_OP: howto manager. (line 2091) -* BFD_RELOC_XTENSA_SLOT4_ALT: howto manager. (line 2112) -* BFD_RELOC_XTENSA_SLOT4_OP: howto manager. (line 2092) -* BFD_RELOC_XTENSA_SLOT5_ALT: howto manager. (line 2113) -* BFD_RELOC_XTENSA_SLOT5_OP: howto manager. (line 2093) -* BFD_RELOC_XTENSA_SLOT6_ALT: howto manager. (line 2114) -* BFD_RELOC_XTENSA_SLOT6_OP: howto manager. (line 2094) -* BFD_RELOC_XTENSA_SLOT7_ALT: howto manager. (line 2115) -* BFD_RELOC_XTENSA_SLOT7_OP: howto manager. (line 2095) -* BFD_RELOC_XTENSA_SLOT8_ALT: howto manager. (line 2116) -* BFD_RELOC_XTENSA_SLOT8_OP: howto manager. (line 2096) -* BFD_RELOC_XTENSA_SLOT9_ALT: howto manager. (line 2117) -* BFD_RELOC_XTENSA_SLOT9_OP: howto manager. (line 2097) -* BFD_RELOC_XTENSA_TLS_ARG: howto manager. (line 2147) -* BFD_RELOC_XTENSA_TLS_CALL: howto manager. (line 2148) -* BFD_RELOC_XTENSA_TLS_DTPOFF: howto manager. (line 2144) -* BFD_RELOC_XTENSA_TLS_FUNC: howto manager. (line 2146) -* BFD_RELOC_XTENSA_TLS_TPOFF: howto manager. (line 2145) -* BFD_RELOC_XTENSA_TLSDESC_ARG: howto manager. (line 2143) -* BFD_RELOC_XTENSA_TLSDESC_FN: howto manager. (line 2142) -* BFD_RELOC_Z80_DISP8: howto manager. (line 2151) -* BFD_RELOC_Z8K_CALLR: howto manager. (line 2157) -* BFD_RELOC_Z8K_DISP7: howto manager. (line 2154) -* BFD_RELOC_Z8K_IMM4L: howto manager. (line 2160) -* bfd_scan_arch: Architectures. (line 433) -* bfd_scan_vma: BFD front end. (line 513) -* bfd_seach_for_target: bfd_target. (line 470) -* bfd_section_already_linked: Writing the symbol table. - (line 55) -* bfd_section_list_clear: section prototypes. (line 8) -* bfd_sections_find_if: section prototypes. (line 176) -* bfd_set_arch_info: Architectures. (line 474) -* bfd_set_archive_head: Archives. (line 69) -* bfd_set_default_target: bfd_target. (line 435) -* bfd_set_error: BFD front end. (line 323) -* bfd_set_error_handler: BFD front end. (line 365) -* bfd_set_error_program_name: BFD front end. (line 374) -* bfd_set_file_flags: BFD front end. (line 433) -* bfd_set_format: Formats. (line 68) -* bfd_set_gp_size: BFD front end. (line 503) -* bfd_set_private_flags: BFD front end. (line 580) -* bfd_set_reloc: BFD front end. (line 423) -* bfd_set_section_contents: section prototypes. (line 207) -* bfd_set_section_flags: section prototypes. (line 140) -* bfd_set_section_size: section prototypes. (line 193) -* bfd_set_start_address: BFD front end. (line 482) -* bfd_set_symtab: symbol handling functions. - (line 60) -* bfd_symbol_info: symbol handling functions. - (line 130) -* bfd_target_list: bfd_target. (line 461) -* bfd_write_bigendian_4byte_int: Internal. (line 13) -* bfd_zalloc: Opening and Closing. - (line 228) -* bfd_zalloc2: Opening and Closing. - (line 237) -* coff_symbol_type: coff. (line 244) -* core_file_matches_executable_p: Core Files. (line 30) -* find_separate_debug_file: Opening and Closing. - (line 279) -* generic_core_file_matches_executable_p: Core Files. (line 40) -* get_debug_link_info: Opening and Closing. - (line 260) -* Hash tables: Hash Tables. (line 6) -* internal object-file format: Canonical format. (line 11) -* Linker: Linker Functions. (line 6) -* Other functions: BFD front end. (line 595) -* separate_debug_file_exists: Opening and Closing. - (line 270) -* struct bfd_iovec: BFD front end. (line 798) -* target vector (_bfd_final_link): Performing the Final Link. - (line 6) -* target vector (_bfd_link_add_symbols): Adding Symbols to the Hash Table. - (line 6) -* target vector (_bfd_link_hash_table_create): Creating a Linker Hash Table. - (line 6) -* The HOWTO Macro: typedef arelent. (line 291) -* what is it?: Overview. (line 6) - - - -Tag Table: -Node: Top1051 -Node: Overview1390 -Node: History2441 -Node: How It Works3387 -Node: What BFD Version 2 Can Do4930 -Node: BFD information loss6245 -Node: Canonical format8777 -Node: BFD front end13149 -Node: Memory Usage44457 -Node: Initialization45685 -Node: Sections46144 -Node: Section Input46627 -Node: Section Output47992 -Node: typedef asection50478 -Node: section prototypes75809 -Node: Symbols85489 -Node: Reading Symbols87084 -Node: Writing Symbols88191 -Node: Mini Symbols89900 -Node: typedef asymbol90874 -Node: symbol handling functions96933 -Node: Archives102275 -Node: Formats106001 -Node: Relocations108949 -Node: typedef arelent109676 -Node: howto manager125487 -Node: Core Files197788 -Node: Targets199605 -Node: bfd_target201575 -Node: Architectures222154 -Node: Opening and Closing245337 -Node: Internal256601 -Node: File Caching262934 -Node: Linker Functions264848 -Node: Creating a Linker Hash Table266521 -Node: Adding Symbols to the Hash Table268259 -Node: Differing file formats269159 -Node: Adding symbols from an object file270884 -Node: Adding symbols from an archive273035 -Node: Performing the Final Link275449 -Node: Information provided by the linker276691 -Node: Relocating the section contents277845 -Node: Writing the symbol table279596 -Node: Hash Tables283611 -Node: Creating and Freeing a Hash Table284809 -Node: Looking Up or Entering a String286059 -Node: Traversing a Hash Table287312 -Node: Deriving a New Hash Table Type288101 -Node: Define the Derived Structures289167 -Node: Write the Derived Creation Routine290248 -Node: Write Other Derived Routines292872 -Node: BFD back ends294187 -Node: What to Put Where294457 -Node: aout294637 -Node: coff300955 -Node: elf329388 -Node: mmo329789 -Node: File layout330717 -Node: Symbol-table336364 -Node: mmo section mapping340133 -Node: GNU Free Documentation License343785 -Node: BFD Index368868 - -End Tag Table Index: ChangeLog =================================================================== --- ChangeLog (revision 816) +++ ChangeLog (nonexistent) @@ -1,224 +0,0 @@ -2009-08-29 Martin Thuresson - - * chew.c (newentry, add_intrinsic): Rename variable new to - new_d. - -2009-08-27 Ralf Wildenhues - - * Makefile.in: Regenerate. - -2009-08-22 Ralf Wildenhues - - * Makefile.am (pdf__strip_dir, install-pdf, install-pdf-am) - (html__strip_dir, install-html, install-html-am): Remove. - * Makefile.in: Regenerate. - - * Makefile.in: Regenerate. - -2009-05-22 Alan Modra - - * Makefile.in: Regenerate. - -2009-04-22 Anthony Green - - * bfdint.texi (BFD target vector miscellaneous): Mention verilog - flavour. - -2008-11-19 Nick Clifton - - * fdl.texi: Update to v1.3 - * bfd.texinfo: Change license to v1.3. - -2008-08-24 Alan Modra - - * Makefile.am (chew.o): Delete rule. - ($(MKDOC)): Move options before C file. - * Makefile.in: Regenerate. - -2008-08-15 Alan Modra - - * Makefile.in: Regenerate. - -2008-07-09 Craig Silverstein - - * Makefile.am (BFD_H_DEP): Add ../compress.c. - * Makefile.in: Regenerate. - -2008-05-14 Alan Modra - - * Makefile.in: Regenerate. - -2008-03-17 Ralf Wildenhues - - * Makefile.in: Regenerate. - -2008-03-13 Alan Modra - - * Makefile.in: Regenerate. - -2007-10-15 Alan Modra - - * chew.c (write_buffer): Check fwrite return value. - -2007-09-14 Alan Modra - - * Makefile.in: Regenerate. - -2007-07-02 Alan Modra - - * Makefile.in: Regenerate. - -2007-06-30 H.J. Lu - - * Makefile.in: Likewise. - -2007-06-14 H.J. Lu - - * Makefile.in: Regenerated. - -2007-05-22 Nick Clifton - - * bfd.texinfo: Use @copying around the copyright notice. - * bfdint.texi: Likewise. - -2007-05-21 Nick Clifton - - * bfdint.texi: Add GNU Free Documentation License notice. - -2007-04-24 Alan Modra - - * Makefile.in: Regenerate. - -2007-02-17 Mark Mitchell - Nathan Sidwell - Vladimir Prus - - * Makefile.in: Regenerate. - -2006-07-24 Ralk Wildenhues - - * bfd..texinfo: Fix spelling mistakes. - * bfdint.texinfo: Likewise. - -2006-07-18 Nigel Stephens - - * bfd.texinfo: Add @section for "What to Put Where". - -2006-06-07 Joseph S. Myers - - * bfd.texinfo: Remove local @tex code. - -2006-06-05 Alan Modra - - * Makefile.in: Regenerate. - -2006-05-11 Carlos O'Donell - - * bfd.texinfo: Rename "Index" to "BFD Index" - -2006-04-06 Carlos O'Donell - - * Makefile.am: Add install-html and install-html-am targets. - Define datarootdir, docdir and htmldir. - * Makefile.in: Regenerate. - -2006-02-27 Carlos O'Donell - - * Makefile.am: Add html target. - * Makefile.in: Regenerate. - -2005-07-24 Daniel Jacobowitz - - * chew.c: Include . - -2005-07-22 DJ Delorie - - * chew.c: Include stdlib.h. - -2005-07-22 Kazu Hirata - - * chew.c: Don't include sysdep.h. - -2005-05-09 Daniel Jacobowitz - - * Makefile.am: Use a temporary file to build chew. - * Makefile.in: Regenerated. - -2005-05-04 Nick Clifton - - * chew.c: Update the address and phone number of the FSF - organization in the GPL notice. - -2005-05-05 H.J. Lu - - * Makefile.am (INCLUDES): Remove -D_GNU_SOURCE. - * Makefile.in: Regenerate. - -2005-04-29 Daniel Jacobowitz - - * Makefile.am: Remove stamp rules. Depend on chew.c - instead of $(MKDOC). - * Makefile.in: Regnerated. - -2005-04-21 H.J. Lu - - * Makefile.am (INCLUDES): New. Add -D_GNU_SOURCE. - (chew.o): Use it. - * Makefile.in: Regenerate. - -2005-04-14 Alan Modra - - * Makefile.in: Regenerate. - -2005-04-12 Alan Modra - - * Makefile.in: Regenerate. - -2005-02-21 Alan Modra - - * Makefile.in: Regenerate. - -2005-02-13 Maciej W. Rozycki - - * Makefile.am: Use CFLAGS_FOR_BUILD and LDFLAGS_FOR_BUILD for - building chew. - * Makefile.in: Regenerate. - -2005-02-01 Ben Elliston - - * chew.c: Remove #if 0'd code throughout. Similarly, collapse #if - 1'd code. - -2004-12-20 Ian Lance Taylor - - * Makefile.am: Use $(SHELL) whenever we run move-if-change. - * Makefile.in: Rebuild. - -2004-09-19 H.J. Lu - - * Makefile.am (AUTOMAKE_OPTIONS): Require 1.9. - (bfd.info): Rename the target to ... - ($(srcdir)/bfd.info): This. - * Makefile.in: Regenerated. - -2004-09-17 Alan Modra - - * Makefile.in: Regenerate. - -2004-03-27 Alan Modra - - * bfdint.texi: Remove all mention of elflink.h. - -2004-03-19 Alan Modra - - * Makefile.in: Regenerate. - -For older changes see ChangeLog-9103 - -Local Variables: -mode: change-log -left-margin: 8 -fill-column: 74 -version-control: never -End:

ChangeLog Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: linker.texi =================================================================== --- linker.texi (revision 816) +++ linker.texi (nonexistent) @@ -1,412 +0,0 @@ -@section Linker Functions -@cindex Linker -The linker uses three special entry points in the BFD target -vector. It is not necessary to write special routines for -these entry points when creating a new BFD back end, since -generic versions are provided. However, writing them can -speed up linking and make it use significantly less runtime -memory. - -The first routine creates a hash table used by the other -routines. The second routine adds the symbols from an object -file to the hash table. The third routine takes all the -object files and links them together to create the output -file. These routines are designed so that the linker proper -does not need to know anything about the symbols in the object -files that it is linking. The linker merely arranges the -sections as directed by the linker script and lets BFD handle -the details of symbols and relocs. - -The second routine and third routines are passed a pointer to -a @code{struct bfd_link_info} structure (defined in -@code{bfdlink.h}) which holds information relevant to the link, -including the linker hash table (which was created by the -first routine) and a set of callback functions to the linker -proper. - -The generic linker routines are in @code{linker.c}, and use the -header file @code{genlink.h}. As of this writing, the only back -ends which have implemented versions of these routines are -a.out (in @code{aoutx.h}) and ECOFF (in @code{ecoff.c}). The a.out -routines are used as examples throughout this section. - -@menu -* Creating a Linker Hash Table:: -* Adding Symbols to the Hash Table:: -* Performing the Final Link:: -@end menu - -@node Creating a Linker Hash Table, Adding Symbols to the Hash Table, Linker Functions, Linker Functions -@subsection Creating a linker hash table -@cindex _bfd_link_hash_table_create in target vector -@cindex target vector (_bfd_link_hash_table_create) -The linker routines must create a hash table, which must be -derived from @code{struct bfd_link_hash_table} described in -@code{bfdlink.c}. @xref{Hash Tables}, for information on how to -create a derived hash table. This entry point is called using -the target vector of the linker output file. - -The @code{_bfd_link_hash_table_create} entry point must allocate -and initialize an instance of the desired hash table. If the -back end does not require any additional information to be -stored with the entries in the hash table, the entry point may -simply create a @code{struct bfd_link_hash_table}. Most likely, -however, some additional information will be needed. - -For example, with each entry in the hash table the a.out -linker keeps the index the symbol has in the final output file -(this index number is used so that when doing a relocatable -link the symbol index used in the output file can be quickly -filled in when copying over a reloc). The a.out linker code -defines the required structures and functions for a hash table -derived from @code{struct bfd_link_hash_table}. The a.out linker -hash table is created by the function -@code{NAME(aout,link_hash_table_create)}; it simply allocates -space for the hash table, initializes it, and returns a -pointer to it. - -When writing the linker routines for a new back end, you will -generally not know exactly which fields will be required until -you have finished. You should simply create a new hash table -which defines no additional fields, and then simply add fields -as they become necessary. - -@node Adding Symbols to the Hash Table, Performing the Final Link, Creating a Linker Hash Table, Linker Functions -@subsection Adding symbols to the hash table -@cindex _bfd_link_add_symbols in target vector -@cindex target vector (_bfd_link_add_symbols) -The linker proper will call the @code{_bfd_link_add_symbols} -entry point for each object file or archive which is to be -linked (typically these are the files named on the command -line, but some may also come from the linker script). The -entry point is responsible for examining the file. For an -object file, BFD must add any relevant symbol information to -the hash table. For an archive, BFD must determine which -elements of the archive should be used and adding them to the -link. - -The a.out version of this entry point is -@code{NAME(aout,link_add_symbols)}. - -@menu -* Differing file formats:: -* Adding symbols from an object file:: -* Adding symbols from an archive:: -@end menu - -@node Differing file formats, Adding symbols from an object file, Adding Symbols to the Hash Table, Adding Symbols to the Hash Table -@subsubsection Differing file formats -Normally all the files involved in a link will be of the same -format, but it is also possible to link together different -format object files, and the back end must support that. The -@code{_bfd_link_add_symbols} entry point is called via the target -vector of the file to be added. This has an important -consequence: the function may not assume that the hash table -is the type created by the corresponding -@code{_bfd_link_hash_table_create} vector. All the -@code{_bfd_link_add_symbols} function can assume about the hash -table is that it is derived from @code{struct -bfd_link_hash_table}. - -Sometimes the @code{_bfd_link_add_symbols} function must store -some information in the hash table entry to be used by the -@code{_bfd_final_link} function. In such a case the output bfd -xvec must be checked to make sure that the hash table was -created by an object file of the same format. - -The @code{_bfd_final_link} routine must be prepared to handle a -hash entry without any extra information added by the -@code{_bfd_link_add_symbols} function. A hash entry without -extra information will also occur when the linker script -directs the linker to create a symbol. Note that, regardless -of how a hash table entry is added, all the fields will be -initialized to some sort of null value by the hash table entry -initialization function. - -See @code{ecoff_link_add_externals} for an example of how to -check the output bfd before saving information (in this -case, the ECOFF external symbol debugging information) in a -hash table entry. - -@node Adding symbols from an object file, Adding symbols from an archive, Differing file formats, Adding Symbols to the Hash Table -@subsubsection Adding symbols from an object file -When the @code{_bfd_link_add_symbols} routine is passed an object -file, it must add all externally visible symbols in that -object file to the hash table. The actual work of adding the -symbol to the hash table is normally handled by the function -@code{_bfd_generic_link_add_one_symbol}. The -@code{_bfd_link_add_symbols} routine is responsible for reading -all the symbols from the object file and passing the correct -information to @code{_bfd_generic_link_add_one_symbol}. - -The @code{_bfd_link_add_symbols} routine should not use -@code{bfd_canonicalize_symtab} to read the symbols. The point of -providing this routine is to avoid the overhead of converting -the symbols into generic @code{asymbol} structures. - -@findex _bfd_generic_link_add_one_symbol -@code{_bfd_generic_link_add_one_symbol} handles the details of -combining common symbols, warning about multiple definitions, -and so forth. It takes arguments which describe the symbol to -add, notably symbol flags, a section, and an offset. The -symbol flags include such things as @code{BSF_WEAK} or -@code{BSF_INDIRECT}. The section is a section in the object -file, or something like @code{bfd_und_section_ptr} for an undefined -symbol or @code{bfd_com_section_ptr} for a common symbol. - -If the @code{_bfd_final_link} routine is also going to need to -read the symbol information, the @code{_bfd_link_add_symbols} -routine should save it somewhere attached to the object file -BFD. However, the information should only be saved if the -@code{keep_memory} field of the @code{info} argument is TRUE, so -that the @code{-no-keep-memory} linker switch is effective. - -The a.out function which adds symbols from an object file is -@code{aout_link_add_object_symbols}, and most of the interesting -work is in @code{aout_link_add_symbols}. The latter saves -pointers to the hash tables entries created by -@code{_bfd_generic_link_add_one_symbol} indexed by symbol number, -so that the @code{_bfd_final_link} routine does not have to call -the hash table lookup routine to locate the entry. - -@node Adding symbols from an archive, , Adding symbols from an object file, Adding Symbols to the Hash Table -@subsubsection Adding symbols from an archive -When the @code{_bfd_link_add_symbols} routine is passed an -archive, it must look through the symbols defined by the -archive and decide which elements of the archive should be -included in the link. For each such element it must call the -@code{add_archive_element} linker callback, and it must add the -symbols from the object file to the linker hash table. - -@findex _bfd_generic_link_add_archive_symbols -In most cases the work of looking through the symbols in the -archive should be done by the -@code{_bfd_generic_link_add_archive_symbols} function. This -function builds a hash table from the archive symbol table and -looks through the list of undefined symbols to see which -elements should be included. -@code{_bfd_generic_link_add_archive_symbols} is passed a function -to call to make the final decision about adding an archive -element to the link and to do the actual work of adding the -symbols to the linker hash table. - -The function passed to -@code{_bfd_generic_link_add_archive_symbols} must read the -symbols of the archive element and decide whether the archive -element should be included in the link. If the element is to -be included, the @code{add_archive_element} linker callback -routine must be called with the element as an argument, and -the elements symbols must be added to the linker hash table -just as though the element had itself been passed to the -@code{_bfd_link_add_symbols} function. - -When the a.out @code{_bfd_link_add_symbols} function receives an -archive, it calls @code{_bfd_generic_link_add_archive_symbols} -passing @code{aout_link_check_archive_element} as the function -argument. @code{aout_link_check_archive_element} calls -@code{aout_link_check_ar_symbols}. If the latter decides to add -the element (an element is only added if it provides a real, -non-common, definition for a previously undefined or common -symbol) it calls the @code{add_archive_element} callback and then -@code{aout_link_check_archive_element} calls -@code{aout_link_add_symbols} to actually add the symbols to the -linker hash table. - -The ECOFF back end is unusual in that it does not normally -call @code{_bfd_generic_link_add_archive_symbols}, because ECOFF -archives already contain a hash table of symbols. The ECOFF -back end searches the archive itself to avoid the overhead of -creating a new hash table. - -@node Performing the Final Link, , Adding Symbols to the Hash Table, Linker Functions -@subsection Performing the final link -@cindex _bfd_link_final_link in target vector -@cindex target vector (_bfd_final_link) -When all the input files have been processed, the linker calls -the @code{_bfd_final_link} entry point of the output BFD. This -routine is responsible for producing the final output file, -which has several aspects. It must relocate the contents of -the input sections and copy the data into the output sections. -It must build an output symbol table including any local -symbols from the input files and the global symbols from the -hash table. When producing relocatable output, it must -modify the input relocs and write them into the output file. -There may also be object format dependent work to be done. - -The linker will also call the @code{write_object_contents} entry -point when the BFD is closed. The two entry points must work -together in order to produce the correct output file. - -The details of how this works are inevitably dependent upon -the specific object file format. The a.out -@code{_bfd_final_link} routine is @code{NAME(aout,final_link)}. - -@menu -* Information provided by the linker:: -* Relocating the section contents:: -* Writing the symbol table:: -@end menu - -@node Information provided by the linker, Relocating the section contents, Performing the Final Link, Performing the Final Link -@subsubsection Information provided by the linker -Before the linker calls the @code{_bfd_final_link} entry point, -it sets up some data structures for the function to use. - -The @code{input_bfds} field of the @code{bfd_link_info} structure -will point to a list of all the input files included in the -link. These files are linked through the @code{link_next} field -of the @code{bfd} structure. - -Each section in the output file will have a list of -@code{link_order} structures attached to the @code{map_head.link_order} -field (the @code{link_order} structure is defined in -@code{bfdlink.h}). These structures describe how to create the -contents of the output section in terms of the contents of -various input sections, fill constants, and, eventually, other -types of information. They also describe relocs that must be -created by the BFD backend, but do not correspond to any input -file; this is used to support -Ur, which builds constructors -while generating a relocatable object file. - -@node Relocating the section contents, Writing the symbol table, Information provided by the linker, Performing the Final Link -@subsubsection Relocating the section contents -The @code{_bfd_final_link} function should look through the -@code{link_order} structures attached to each section of the -output file. Each @code{link_order} structure should either be -handled specially, or it should be passed to the function -@code{_bfd_default_link_order} which will do the right thing -(@code{_bfd_default_link_order} is defined in @code{linker.c}). - -For efficiency, a @code{link_order} of type -@code{bfd_indirect_link_order} whose associated section belongs -to a BFD of the same format as the output BFD must be handled -specially. This type of @code{link_order} describes part of an -output section in terms of a section belonging to one of the -input files. The @code{_bfd_final_link} function should read the -contents of the section and any associated relocs, apply the -relocs to the section contents, and write out the modified -section contents. If performing a relocatable link, the -relocs themselves must also be modified and written out. - -@findex _bfd_relocate_contents -@findex _bfd_final_link_relocate -The functions @code{_bfd_relocate_contents} and -@code{_bfd_final_link_relocate} provide some general support for -performing the actual relocations, notably overflow checking. -Their arguments include information about the symbol the -relocation is against and a @code{reloc_howto_type} argument -which describes the relocation to perform. These functions -are defined in @code{reloc.c}. - -The a.out function which handles reading, relocating, and -writing section contents is @code{aout_link_input_section}. The -actual relocation is done in @code{aout_link_input_section_std} -and @code{aout_link_input_section_ext}. - -@node Writing the symbol table, , Relocating the section contents, Performing the Final Link -@subsubsection Writing the symbol table -The @code{_bfd_final_link} function must gather all the symbols -in the input files and write them out. It must also write out -all the symbols in the global hash table. This must be -controlled by the @code{strip} and @code{discard} fields of the -@code{bfd_link_info} structure. - -The local symbols of the input files will not have been -entered into the linker hash table. The @code{_bfd_final_link} -routine must consider each input file and include the symbols -in the output file. It may be convenient to do this when -looking through the @code{link_order} structures, or it may be -done by stepping through the @code{input_bfds} list. - -The @code{_bfd_final_link} routine must also traverse the global -hash table to gather all the externally visible symbols. It -is possible that most of the externally visible symbols may be -written out when considering the symbols of each input file, -but it is still necessary to traverse the hash table since the -linker script may have defined some symbols that are not in -any of the input files. - -The @code{strip} field of the @code{bfd_link_info} structure -controls which symbols are written out. The possible values -are listed in @code{bfdlink.h}. If the value is @code{strip_some}, -then the @code{keep_hash} field of the @code{bfd_link_info} -structure is a hash table of symbols to keep; each symbol -should be looked up in this hash table, and only symbols which -are present should be included in the output file. - -If the @code{strip} field of the @code{bfd_link_info} structure -permits local symbols to be written out, the @code{discard} field -is used to further controls which local symbols are included -in the output file. If the value is @code{discard_l}, then all -local symbols which begin with a certain prefix are discarded; -this is controlled by the @code{bfd_is_local_label_name} entry point. - -The a.out backend handles symbols by calling -@code{aout_link_write_symbols} on each input BFD and then -traversing the global hash table with the function -@code{aout_link_write_other_symbol}. It builds a string table -while writing out the symbols, which is written to the output -file at the end of @code{NAME(aout,final_link)}. - -@findex bfd_link_split_section -@subsubsection @code{bfd_link_split_section} -@strong{Synopsis} -@example -bfd_boolean bfd_link_split_section (bfd *abfd, asection *sec); -@end example -@strong{Description}@* -Return nonzero if @var{sec} should be split during a -reloceatable or final link. -@example -#define bfd_link_split_section(abfd, sec) \ - BFD_SEND (abfd, _bfd_link_split_section, (abfd, sec)) - -@end example - -@findex bfd_section_already_linked -@subsubsection @code{bfd_section_already_linked} -@strong{Synopsis} -@example -void bfd_section_already_linked (bfd *abfd, asection *sec, - struct bfd_link_info *info); -@end example -@strong{Description}@* -Check if @var{sec} has been already linked during a reloceatable -or final link. -@example -#define bfd_section_already_linked(abfd, sec, info) \ - BFD_SEND (abfd, _section_already_linked, (abfd, sec, info)) - -@end example - -@findex bfd_generic_define_common_symbol -@subsubsection @code{bfd_generic_define_common_symbol} -@strong{Synopsis} -@example -bfd_boolean bfd_generic_define_common_symbol - (bfd *output_bfd, struct bfd_link_info *info, - struct bfd_link_hash_entry *h); -@end example -@strong{Description}@* -Convert common symbol @var{h} into a defined symbol. -Return TRUE on success and FALSE on failure. -@example -#define bfd_define_common_symbol(output_bfd, info, h) \ - BFD_SEND (output_bfd, _bfd_define_common_symbol, (output_bfd, info, h)) - -@end example - -@findex bfd_find_version_for_sym -@subsubsection @code{bfd_find_version_for_sym } -@strong{Synopsis} -@example -struct bfd_elf_version_tree * bfd_find_version_for_sym - (struct bfd_elf_version_tree *verdefs, - const char *sym_name, bfd_boolean *hide); -@end example -@strong{Description}@* -Search an elf version script tree for symbol versioning -info and export / don't-export status for a given symbol. -Return non-NULL on success and NULL on failure; also sets -the output @samp{hide} boolean parameter. -

linker.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: syms.texi =================================================================== --- syms.texi (revision 816) +++ syms.texi (nonexistent) @@ -1,479 +0,0 @@ -@section Symbols -BFD tries to maintain as much symbol information as it can when -it moves information from file to file. BFD passes information -to applications though the @code{asymbol} structure. When the -application requests the symbol table, BFD reads the table in -the native form and translates parts of it into the internal -format. To maintain more than the information passed to -applications, some targets keep some information ``behind the -scenes'' in a structure only the particular back end knows -about. For example, the coff back end keeps the original -symbol table structure as well as the canonical structure when -a BFD is read in. On output, the coff back end can reconstruct -the output symbol table so that no information is lost, even -information unique to coff which BFD doesn't know or -understand. If a coff symbol table were read, but were written -through an a.out back end, all the coff specific information -would be lost. The symbol table of a BFD -is not necessarily read in until a canonicalize request is -made. Then the BFD back end fills in a table provided by the -application with pointers to the canonical information. To -output symbols, the application provides BFD with a table of -pointers to pointers to @code{asymbol}s. This allows applications -like the linker to output a symbol as it was read, since the ``behind -the scenes'' information will be still available. -@menu -* Reading Symbols:: -* Writing Symbols:: -* Mini Symbols:: -* typedef asymbol:: -* symbol handling functions:: -@end menu - -@node Reading Symbols, Writing Symbols, Symbols, Symbols -@subsection Reading symbols -There are two stages to reading a symbol table from a BFD: -allocating storage, and the actual reading process. This is an -excerpt from an application which reads the symbol table: - -@example - long storage_needed; - asymbol **symbol_table; - long number_of_symbols; - long i; - - storage_needed = bfd_get_symtab_upper_bound (abfd); - - if (storage_needed < 0) - FAIL - - if (storage_needed == 0) - return; - - symbol_table = xmalloc (storage_needed); - ... - number_of_symbols = - bfd_canonicalize_symtab (abfd, symbol_table); - - if (number_of_symbols < 0) - FAIL - - for (i = 0; i < number_of_symbols; i++) - process_symbol (symbol_table[i]); -@end example - -All storage for the symbols themselves is in an objalloc -connected to the BFD; it is freed when the BFD is closed. - -@node Writing Symbols, Mini Symbols, Reading Symbols, Symbols -@subsection Writing symbols -Writing of a symbol table is automatic when a BFD open for -writing is closed. The application attaches a vector of -pointers to pointers to symbols to the BFD being written, and -fills in the symbol count. The close and cleanup code reads -through the table provided and performs all the necessary -operations. The BFD output code must always be provided with an -``owned'' symbol: one which has come from another BFD, or one -which has been created using @code{bfd_make_empty_symbol}. Here is an -example showing the creation of a symbol table with only one element: - -@example - #include "bfd.h" - int main (void) - @{ - bfd *abfd; - asymbol *ptrs[2]; - asymbol *new; - - abfd = bfd_openw ("foo","a.out-sunos-big"); - bfd_set_format (abfd, bfd_object); - new = bfd_make_empty_symbol (abfd); - new->name = "dummy_symbol"; - new->section = bfd_make_section_old_way (abfd, ".text"); - new->flags = BSF_GLOBAL; - new->value = 0x12345; - - ptrs[0] = new; - ptrs[1] = 0; - - bfd_set_symtab (abfd, ptrs, 1); - bfd_close (abfd); - return 0; - @} - - ./makesym - nm foo - 00012345 A dummy_symbol -@end example - -Many formats cannot represent arbitrary symbol information; for -instance, the @code{a.out} object format does not allow an -arbitrary number of sections. A symbol pointing to a section -which is not one of @code{.text}, @code{.data} or @code{.bss} cannot -be described. - -@node Mini Symbols, typedef asymbol, Writing Symbols, Symbols -@subsection Mini Symbols -Mini symbols provide read-only access to the symbol table. -They use less memory space, but require more time to access. -They can be useful for tools like nm or objdump, which may -have to handle symbol tables of extremely large executables. - -The @code{bfd_read_minisymbols} function will read the symbols -into memory in an internal form. It will return a @code{void *} -pointer to a block of memory, a symbol count, and the size of -each symbol. The pointer is allocated using @code{malloc}, and -should be freed by the caller when it is no longer needed. - -The function @code{bfd_minisymbol_to_symbol} will take a pointer -to a minisymbol, and a pointer to a structure returned by -@code{bfd_make_empty_symbol}, and return a @code{asymbol} structure. -The return value may or may not be the same as the value from -@code{bfd_make_empty_symbol} which was passed in. - - -@node typedef asymbol, symbol handling functions, Mini Symbols, Symbols -@subsection typedef asymbol -An @code{asymbol} has the form: - - -@example - -typedef struct bfd_symbol -@{ - /* A pointer to the BFD which owns the symbol. This information - is necessary so that a back end can work out what additional - information (invisible to the application writer) is carried - with the symbol. - - This field is *almost* redundant, since you can use section->owner - instead, except that some symbols point to the global sections - bfd_@{abs,com,und@}_section. This could be fixed by making - these globals be per-bfd (or per-target-flavor). FIXME. */ - struct bfd *the_bfd; /* Use bfd_asymbol_bfd(sym) to access this field. */ - - /* The text of the symbol. The name is left alone, and not copied; the - application may not alter it. */ - const char *name; - - /* The value of the symbol. This really should be a union of a - numeric value with a pointer, since some flags indicate that - a pointer to another symbol is stored here. */ - symvalue value; - - /* Attributes of a symbol. */ -#define BSF_NO_FLAGS 0x00 - - /* The symbol has local scope; @code{static} in @code{C}. The value - is the offset into the section of the data. */ -#define BSF_LOCAL (1 << 0) - - /* The symbol has global scope; initialized data in @code{C}. The - value is the offset into the section of the data. */ -#define BSF_GLOBAL (1 << 1) - - /* The symbol has global scope and is exported. The value is - the offset into the section of the data. */ -#define BSF_EXPORT BSF_GLOBAL /* No real difference. */ - - /* A normal C symbol would be one of: - @code{BSF_LOCAL}, @code{BSF_COMMON}, @code{BSF_UNDEFINED} or - @code{BSF_GLOBAL}. */ - - /* The symbol is a debugging record. The value has an arbitrary - meaning, unless BSF_DEBUGGING_RELOC is also set. */ -#define BSF_DEBUGGING (1 << 2) - - /* The symbol denotes a function entry point. Used in ELF, - perhaps others someday. */ -#define BSF_FUNCTION (1 << 3) - - /* Used by the linker. */ -#define BSF_KEEP (1 << 5) -#define BSF_KEEP_G (1 << 6) - - /* A weak global symbol, overridable without warnings by - a regular global symbol of the same name. */ -#define BSF_WEAK (1 << 7) - - /* This symbol was created to point to a section, e.g. ELF's - STT_SECTION symbols. */ -#define BSF_SECTION_SYM (1 << 8) - - /* The symbol used to be a common symbol, but now it is - allocated. */ -#define BSF_OLD_COMMON (1 << 9) - - /* In some files the type of a symbol sometimes alters its - location in an output file - ie in coff a @code{ISFCN} symbol - which is also @code{C_EXT} symbol appears where it was - declared and not at the end of a section. This bit is set - by the target BFD part to convey this information. */ -#define BSF_NOT_AT_END (1 << 10) - - /* Signal that the symbol is the label of constructor section. */ -#define BSF_CONSTRUCTOR (1 << 11) - - /* Signal that the symbol is a warning symbol. The name is a - warning. The name of the next symbol is the one to warn about; - if a reference is made to a symbol with the same name as the next - symbol, a warning is issued by the linker. */ -#define BSF_WARNING (1 << 12) - - /* Signal that the symbol is indirect. This symbol is an indirect - pointer to the symbol with the same name as the next symbol. */ -#define BSF_INDIRECT (1 << 13) - - /* BSF_FILE marks symbols that contain a file name. This is used - for ELF STT_FILE symbols. */ -#define BSF_FILE (1 << 14) - - /* Symbol is from dynamic linking information. */ -#define BSF_DYNAMIC (1 << 15) - - /* The symbol denotes a data object. Used in ELF, and perhaps - others someday. */ -#define BSF_OBJECT (1 << 16) - - /* This symbol is a debugging symbol. The value is the offset - into the section of the data. BSF_DEBUGGING should be set - as well. */ -#define BSF_DEBUGGING_RELOC (1 << 17) - - /* This symbol is thread local. Used in ELF. */ -#define BSF_THREAD_LOCAL (1 << 18) - - /* This symbol represents a complex relocation expression, - with the expression tree serialized in the symbol name. */ -#define BSF_RELC (1 << 19) - - /* This symbol represents a signed complex relocation expression, - with the expression tree serialized in the symbol name. */ -#define BSF_SRELC (1 << 20) - - /* This symbol was created by bfd_get_synthetic_symtab. */ -#define BSF_SYNTHETIC (1 << 21) - - /* This symbol is an indirect code object. Unrelated to BSF_INDIRECT. - The dynamic linker will compute the value of this symbol by - calling the function that it points to. BSF_FUNCTION must - also be also set. */ -#define BSF_GNU_INDIRECT_FUNCTION (1 << 22) - /* This symbol is a globally unique data object. The dynamic linker - will make sure that in the entire process there is just one symbol - with this name and type in use. BSF_OBJECT must also be set. */ -#define BSF_GNU_UNIQUE (1 << 23) - - flagword flags; - - /* A pointer to the section to which this symbol is - relative. This will always be non NULL, there are special - sections for undefined and absolute symbols. */ - struct bfd_section *section; - - /* Back end special data. */ - union - @{ - void *p; - bfd_vma i; - @} - udata; -@} -asymbol; - -@end example - -@node symbol handling functions, , typedef asymbol, Symbols -@subsection Symbol handling functions - - -@findex bfd_get_symtab_upper_bound -@subsubsection @code{bfd_get_symtab_upper_bound} -@strong{Description}@* -Return the number of bytes required to store a vector of pointers -to @code{asymbols} for all the symbols in the BFD @var{abfd}, -including a terminal NULL pointer. If there are no symbols in -the BFD, then return 0. If an error occurs, return -1. -@example -#define bfd_get_symtab_upper_bound(abfd) \ - BFD_SEND (abfd, _bfd_get_symtab_upper_bound, (abfd)) - -@end example - -@findex bfd_is_local_label -@subsubsection @code{bfd_is_local_label} -@strong{Synopsis} -@example -bfd_boolean bfd_is_local_label (bfd *abfd, asymbol *sym); -@end example -@strong{Description}@* -Return TRUE if the given symbol @var{sym} in the BFD @var{abfd} is -a compiler generated local label, else return FALSE. - -@findex bfd_is_local_label_name -@subsubsection @code{bfd_is_local_label_name} -@strong{Synopsis} -@example -bfd_boolean bfd_is_local_label_name (bfd *abfd, const char *name); -@end example -@strong{Description}@* -Return TRUE if a symbol with the name @var{name} in the BFD -@var{abfd} is a compiler generated local label, else return -FALSE. This just checks whether the name has the form of a -local label. -@example -#define bfd_is_local_label_name(abfd, name) \ - BFD_SEND (abfd, _bfd_is_local_label_name, (abfd, name)) - -@end example - -@findex bfd_is_target_special_symbol -@subsubsection @code{bfd_is_target_special_symbol} -@strong{Synopsis} -@example -bfd_boolean bfd_is_target_special_symbol (bfd *abfd, asymbol *sym); -@end example -@strong{Description}@* -Return TRUE iff a symbol @var{sym} in the BFD @var{abfd} is something -special to the particular target represented by the BFD. Such symbols -should normally not be mentioned to the user. -@example -#define bfd_is_target_special_symbol(abfd, sym) \ - BFD_SEND (abfd, _bfd_is_target_special_symbol, (abfd, sym)) - -@end example - -@findex bfd_canonicalize_symtab -@subsubsection @code{bfd_canonicalize_symtab} -@strong{Description}@* -Read the symbols from the BFD @var{abfd}, and fills in -the vector @var{location} with pointers to the symbols and -a trailing NULL. -Return the actual number of symbol pointers, not -including the NULL. -@example -#define bfd_canonicalize_symtab(abfd, location) \ - BFD_SEND (abfd, _bfd_canonicalize_symtab, (abfd, location)) - -@end example - -@findex bfd_set_symtab -@subsubsection @code{bfd_set_symtab} -@strong{Synopsis} -@example -bfd_boolean bfd_set_symtab - (bfd *abfd, asymbol **location, unsigned int count); -@end example -@strong{Description}@* -Arrange that when the output BFD @var{abfd} is closed, -the table @var{location} of @var{count} pointers to symbols -will be written. - -@findex bfd_print_symbol_vandf -@subsubsection @code{bfd_print_symbol_vandf} -@strong{Synopsis} -@example -void bfd_print_symbol_vandf (bfd *abfd, void *file, asymbol *symbol); -@end example -@strong{Description}@* -Print the value and flags of the @var{symbol} supplied to the -stream @var{file}. - -@findex bfd_make_empty_symbol -@subsubsection @code{bfd_make_empty_symbol} -@strong{Description}@* -Create a new @code{asymbol} structure for the BFD @var{abfd} -and return a pointer to it. - -This routine is necessary because each back end has private -information surrounding the @code{asymbol}. Building your own -@code{asymbol} and pointing to it will not create the private -information, and will cause problems later on. -@example -#define bfd_make_empty_symbol(abfd) \ - BFD_SEND (abfd, _bfd_make_empty_symbol, (abfd)) - -@end example - -@findex _bfd_generic_make_empty_symbol -@subsubsection @code{_bfd_generic_make_empty_symbol} -@strong{Synopsis} -@example -asymbol *_bfd_generic_make_empty_symbol (bfd *); -@end example -@strong{Description}@* -Create a new @code{asymbol} structure for the BFD @var{abfd} -and return a pointer to it. Used by core file routines, -binary back-end and anywhere else where no private info -is needed. - -@findex bfd_make_debug_symbol -@subsubsection @code{bfd_make_debug_symbol} -@strong{Description}@* -Create a new @code{asymbol} structure for the BFD @var{abfd}, -to be used as a debugging symbol. Further details of its use have -yet to be worked out. -@example -#define bfd_make_debug_symbol(abfd,ptr,size) \ - BFD_SEND (abfd, _bfd_make_debug_symbol, (abfd, ptr, size)) - -@end example - -@findex bfd_decode_symclass -@subsubsection @code{bfd_decode_symclass} -@strong{Description}@* -Return a character corresponding to the symbol -class of @var{symbol}, or '?' for an unknown class. - -@strong{Synopsis} -@example -int bfd_decode_symclass (asymbol *symbol); -@end example -@findex bfd_is_undefined_symclass -@subsubsection @code{bfd_is_undefined_symclass} -@strong{Description}@* -Returns non-zero if the class symbol returned by -bfd_decode_symclass represents an undefined symbol. -Returns zero otherwise. - -@strong{Synopsis} -@example -bfd_boolean bfd_is_undefined_symclass (int symclass); -@end example -@findex bfd_symbol_info -@subsubsection @code{bfd_symbol_info} -@strong{Description}@* -Fill in the basic info about symbol that nm needs. -Additional info may be added by the back-ends after -calling this function. - -@strong{Synopsis} -@example -void bfd_symbol_info (asymbol *symbol, symbol_info *ret); -@end example -@findex bfd_copy_private_symbol_data -@subsubsection @code{bfd_copy_private_symbol_data} -@strong{Synopsis} -@example -bfd_boolean bfd_copy_private_symbol_data - (bfd *ibfd, asymbol *isym, bfd *obfd, asymbol *osym); -@end example -@strong{Description}@* -Copy private symbol information from @var{isym} in the BFD -@var{ibfd} to the symbol @var{osym} in the BFD @var{obfd}. -Return @code{TRUE} on success, @code{FALSE} on error. Possible error -returns are: - -@itemize @bullet - -@item -@code{bfd_error_no_memory} - -Not enough memory exists to create private data for @var{osec}. -@end itemize -@example -#define bfd_copy_private_symbol_data(ibfd, isymbol, obfd, osymbol) \ - BFD_SEND (obfd, _bfd_copy_private_symbol_data, \ - (ibfd, isymbol, obfd, osymbol)) - -@end example -

syms.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: chew.c =================================================================== --- chew.c (revision 816) +++ chew.c (nonexistent) @@ -1,1571 +0,0 @@ -/* chew - Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, 2000, 2001, - 2002, 2003, 2005, 2007, 2009 - Free Software Foundation, Inc. - Contributed by steve chamberlain @cygnus - - This file is part of BFD, the Binary File Descriptor library. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, - MA 02110-1301, USA. */ - -/* Yet another way of extracting documentation from source. - No, I haven't finished it yet, but I hope you people like it better - than the old way - - sac - - Basically, this is a sort of string forth, maybe we should call it - struth? - - You define new words thus: - : ; - -*/ - -/* Primitives provided by the program: - - Two stacks are provided, a string stack and an integer stack. - - Internal state variables: - internal_wanted - indicates whether `-i' was passed - internal_mode - user-settable - - Commands: - push_text - ! - pop top of integer stack for address, pop next for value; store - @ - treat value on integer stack as the address of an integer; push - that integer on the integer stack after popping the "address" - hello - print "hello\n" to stdout - stdout - put stdout marker on TOS - stderr - put stderr marker on TOS - print - print TOS-1 on TOS (eg: "hello\n" stdout print) - skip_past_newline - catstr - fn icatstr - copy_past_newline - append input, up to and including newline into TOS - dup - fn other_dup - drop - discard TOS - idrop - ditto - remchar - delete last character from TOS - get_stuff_in_command - do_fancy_stuff - translate <> to @code{foo} in TOS - bulletize - if "o" lines found, prepend @itemize @bullet to TOS - and @item to each "o" line; append @end itemize - courierize - put @example around . and | lines, translate {* *} { } - exit - fn chew_exit - swap - outputdots - strip out lines without leading dots - paramstuff - convert full declaration into "PARAMS" form if not already - maybecatstr - do catstr if internal_mode == internal_wanted, discard - value in any case - translatecomments - turn {* and *} into comment delimiters - kill_bogus_lines - get rid of extra newlines - indent - internalmode - pop from integer stack, set `internalmode' to that value - print_stack_level - print current stack depth to stderr - strip_trailing_newlines - go ahead, guess... - [quoted string] - push string onto string stack - [word starting with digit] - push atol(str) onto integer stack - - A command must be all upper-case, and alone on a line. - - Foo. */ - -#include "ansidecl.h" -#include -#include -#include -#include -#include - -#define DEF_SIZE 5000 -#define STACK 50 - -int internal_wanted; -int internal_mode; - -int warning; - -/* Here is a string type ... */ - -typedef struct buffer -{ - char *ptr; - unsigned long write_idx; - unsigned long size; -} string_type; - -#ifdef __STDC__ -static void init_string_with_size (string_type *, unsigned int); -static void init_string (string_type *); -static int find (string_type *, char *); -static void write_buffer (string_type *, FILE *); -static void delete_string (string_type *); -static char *addr (string_type *, unsigned int); -static char at (string_type *, unsigned int); -static void catchar (string_type *, int); -static void overwrite_string (string_type *, string_type *); -static void catbuf (string_type *, char *, unsigned int); -static void cattext (string_type *, char *); -static void catstr (string_type *, string_type *); -static void die (char *); -#endif - -static void -init_string_with_size (buffer, size) - string_type *buffer; - unsigned int size; -{ - buffer->write_idx = 0; - buffer->size = size; - buffer->ptr = malloc (size); -} - -static void -init_string (buffer) - string_type *buffer; -{ - init_string_with_size (buffer, DEF_SIZE); -} - -static int -find (str, what) - string_type *str; - char *what; -{ - unsigned int i; - char *p; - p = what; - for (i = 0; i < str->write_idx && *p; i++) - { - if (*p == str->ptr[i]) - p++; - else - p = what; - } - return (*p == 0); -} - -static void -write_buffer (buffer, f) - string_type *buffer; - FILE *f; -{ - if (buffer->write_idx != 0 - && fwrite (buffer->ptr, buffer->write_idx, 1, f) != 1) - die ("cannot write output"); -} - -static void -delete_string (buffer) - string_type *buffer; -{ - free (buffer->ptr); -} - -static char * -addr (buffer, idx) - string_type *buffer; - unsigned int idx; -{ - return buffer->ptr + idx; -} - -static char -at (buffer, pos) - string_type *buffer; - unsigned int pos; -{ - if (pos >= buffer->write_idx) - return 0; - return buffer->ptr[pos]; -} - -static void -catchar (buffer, ch) - string_type *buffer; - int ch; -{ - if (buffer->write_idx == buffer->size) - { - buffer->size *= 2; - buffer->ptr = realloc (buffer->ptr, buffer->size); - } - - buffer->ptr[buffer->write_idx++] = ch; -} - -static void -overwrite_string (dst, src) - string_type *dst; - string_type *src; -{ - free (dst->ptr); - dst->size = src->size; - dst->write_idx = src->write_idx; - dst->ptr = src->ptr; -} - -static void -catbuf (buffer, buf, len) - string_type *buffer; - char *buf; - unsigned int len; -{ - if (buffer->write_idx + len >= buffer->size) - { - while (buffer->write_idx + len >= buffer->size) - buffer->size *= 2; - buffer->ptr = realloc (buffer->ptr, buffer->size); - } - memcpy (buffer->ptr + buffer->write_idx, buf, len); - buffer->write_idx += len; -} - -static void -cattext (buffer, string) - string_type *buffer; - char *string; -{ - catbuf (buffer, string, (unsigned int) strlen (string)); -} - -static void -catstr (dst, src) - string_type *dst; - string_type *src; -{ - catbuf (dst, src->ptr, src->write_idx); -} - -static unsigned int -skip_white_and_stars (src, idx) - string_type *src; - unsigned int idx; -{ - char c; - while ((c = at (src, idx)), - isspace ((unsigned char) c) - || (c == '*' - /* Don't skip past end-of-comment or star as first - character on its line. */ - && at (src, idx +1) != '/' - && at (src, idx -1) != '\n')) - idx++; - return idx; -} - -/***********************************************************************/ - -string_type stack[STACK]; -string_type *tos; - -unsigned int idx = 0; /* Pos in input buffer */ -string_type *ptr; /* and the buffer */ -typedef void (*stinst_type)(); -stinst_type *pc; -stinst_type sstack[STACK]; -stinst_type *ssp = &sstack[0]; -long istack[STACK]; -long *isp = &istack[0]; - -typedef int *word_type; - -struct dict_struct -{ - char *word; - struct dict_struct *next; - stinst_type *code; - int code_length; - int code_end; - int var; -}; - -typedef struct dict_struct dict_type; - -static void -die (msg) - char *msg; -{ - fprintf (stderr, "%s\n", msg); - exit (1); -} - -static void -check_range () -{ - if (tos < stack) - die ("underflow in string stack"); - if (tos >= stack + STACK) - die ("overflow in string stack"); -} - -static void -icheck_range () -{ - if (isp < istack) - die ("underflow in integer stack"); - if (isp >= istack + STACK) - die ("overflow in integer stack"); -} - -#ifdef __STDC__ -static void exec (dict_type *); -static void call (void); -static void remchar (void), strip_trailing_newlines (void), push_number (void); -static void push_text (void); -static void remove_noncomments (string_type *, string_type *); -static void print_stack_level (void); -static void paramstuff (void), translatecomments (void); -static void outputdots (void), courierize (void), bulletize (void); -static void do_fancy_stuff (void); -static int iscommand (string_type *, unsigned int); -static int copy_past_newline (string_type *, unsigned int, string_type *); -static void icopy_past_newline (void), kill_bogus_lines (void), indent (void); -static void get_stuff_in_command (void), swap (void), other_dup (void); -static void drop (void), idrop (void); -static void icatstr (void), skip_past_newline (void), internalmode (void); -static void maybecatstr (void); -static char *nextword (char *, char **); -dict_type *lookup_word (char *); -static void perform (void); -dict_type *newentry (char *); -unsigned int add_to_definition (dict_type *, stinst_type); -void add_intrinsic (char *, void (*)()); -void add_var (char *); -void compile (char *); -static void bang (void); -static void atsign (void); -static void hello (void); -static void stdout_ (void); -static void stderr_ (void); -static void print (void); -static void read_in (string_type *, FILE *); -static void usage (void); -static void chew_exit (void); -#endif - -static void -exec (word) - dict_type *word; -{ - pc = word->code; - while (*pc) - (*pc) (); -} - -static void -call () -{ - stinst_type *oldpc = pc; - dict_type *e; - e = (dict_type *) (pc[1]); - exec (e); - pc = oldpc + 2; -} - -static void -remchar () -{ - if (tos->write_idx) - tos->write_idx--; - pc++; -} - -static void -strip_trailing_newlines () -{ - while ((isspace ((unsigned char) at (tos, tos->write_idx - 1)) - || at (tos, tos->write_idx - 1) == '\n') - && tos->write_idx > 0) - tos->write_idx--; - pc++; -} - -static void -push_number () -{ - isp++; - icheck_range (); - pc++; - *isp = (long) (*pc); - pc++; -} - -static void -push_text () -{ - tos++; - check_range (); - init_string (tos); - pc++; - cattext (tos, *((char **) pc)); - pc++; -} - -/* This function removes everything not inside comments starting on - the first char of the line from the string, also when copying - comments, removes blank space and leading *'s. - Blank lines are turned into one blank line. */ - -static void -remove_noncomments (src, dst) - string_type *src; - string_type *dst; -{ - unsigned int idx = 0; - - while (at (src, idx)) - { - /* Now see if we have a comment at the start of the line. */ - if (at (src, idx) == '\n' - && at (src, idx + 1) == '/' - && at (src, idx + 2) == '*') - { - idx += 3; - - idx = skip_white_and_stars (src, idx); - - /* Remove leading dot */ - if (at (src, idx) == '.') - idx++; - - /* Copy to the end of the line, or till the end of the - comment. */ - while (at (src, idx)) - { - if (at (src, idx) == '\n') - { - /* end of line, echo and scrape of leading blanks */ - if (at (src, idx + 1) == '\n') - catchar (dst, '\n'); - catchar (dst, '\n'); - idx++; - idx = skip_white_and_stars (src, idx); - } - else if (at (src, idx) == '*' && at (src, idx + 1) == '/') - { - idx += 2; - cattext (dst, "\nENDDD\n"); - break; - } - else - { - catchar (dst, at (src, idx)); - idx++; - } - } - } - else - idx++; - } -} - -static void -print_stack_level () -{ - fprintf (stderr, "current string stack depth = %d, ", tos - stack); - fprintf (stderr, "current integer stack depth = %d\n", isp - istack); - pc++; -} - -/* turn: - foobar name(stuff); - into: - foobar - name PARAMS ((stuff)); - and a blank line. - */ - -static void -paramstuff () -{ - unsigned int openp; - unsigned int fname; - unsigned int idx; - unsigned int len; - string_type out; - init_string (&out); - -#define NO_PARAMS 1 - - /* Make sure that it's not already param'd or proto'd. */ - if (NO_PARAMS - || find (tos, "PARAMS") || find (tos, "PROTO") || !find (tos, "(")) - { - catstr (&out, tos); - } - else - { - /* Find the open paren. */ - for (openp = 0; at (tos, openp) != '(' && at (tos, openp); openp++) - ; - - fname = openp; - /* Step back to the fname. */ - fname--; - while (fname && isspace ((unsigned char) at (tos, fname))) - fname--; - while (fname - && !isspace ((unsigned char) at (tos,fname)) - && at (tos,fname) != '*') - fname--; - - fname++; - - /* Output type, omitting trailing whitespace character(s), if - any. */ - for (len = fname; 0 < len; len--) - { - if (!isspace ((unsigned char) at (tos, len - 1))) - break; - } - for (idx = 0; idx < len; idx++) - catchar (&out, at (tos, idx)); - - cattext (&out, "\n"); /* Insert a newline between type and fnname */ - - /* Output function name, omitting trailing whitespace - character(s), if any. */ - for (len = openp; 0 < len; len--) - { - if (!isspace ((unsigned char) at (tos, len - 1))) - break; - } - for (idx = fname; idx < len; idx++) - catchar (&out, at (tos, idx)); - - cattext (&out, " PARAMS ("); - - for (idx = openp; at (tos, idx) && at (tos, idx) != ';'; idx++) - catchar (&out, at (tos, idx)); - - cattext (&out, ");\n\n"); - } - overwrite_string (tos, &out); - pc++; - -} - -/* turn {* - and *} into comments */ - -static void -translatecomments () -{ - unsigned int idx = 0; - string_type out; - init_string (&out); - - while (at (tos, idx)) - { - if (at (tos, idx) == '{' && at (tos, idx + 1) == '*') - { - cattext (&out, "/*"); - idx += 2; - } - else if (at (tos, idx) == '*' && at (tos, idx + 1) == '}') - { - cattext (&out, "*/"); - idx += 2; - } - else - { - catchar (&out, at (tos, idx)); - idx++; - } - } - - overwrite_string (tos, &out); - - pc++; -} - -/* Mod tos so that only lines with leading dots remain */ -static void -outputdots () -{ - unsigned int idx = 0; - string_type out; - init_string (&out); - - while (at (tos, idx)) - { - if (at (tos, idx) == '\n' && at (tos, idx + 1) == '.') - { - char c; - idx += 2; - - while ((c = at (tos, idx)) && c != '\n') - { - if (c == '{' && at (tos, idx + 1) == '*') - { - cattext (&out, "/*"); - idx += 2; - } - else if (c == '*' && at (tos, idx + 1) == '}') - { - cattext (&out, "*/"); - idx += 2; - } - else - { - catchar (&out, c); - idx++; - } - } - catchar (&out, '\n'); - } - else - { - idx++; - } - } - - overwrite_string (tos, &out); - pc++; -} - -/* Find lines starting with . and | and put example around them on tos */ -static void -courierize () -{ - string_type out; - unsigned int idx = 0; - int command = 0; - - init_string (&out); - - while (at (tos, idx)) - { - if (at (tos, idx) == '\n' - && (at (tos, idx +1 ) == '.' - || at (tos, idx + 1) == '|')) - { - cattext (&out, "\n@example\n"); - do - { - idx += 2; - - while (at (tos, idx) && at (tos, idx) != '\n') - { - if (command > 1) - { - /* We are inside {} parameters of some command; - Just pass through until matching brace. */ - if (at (tos, idx) == '{') - ++command; - else if (at (tos, idx) == '}') - --command; - } - else if (command != 0) - { - if (at (tos, idx) == '{') - ++command; - else if (!islower ((unsigned char) at (tos, idx))) - --command; - } - else if (at (tos, idx) == '@' - && islower ((unsigned char) at (tos, idx + 1))) - { - ++command; - } - else if (at (tos, idx) == '{' && at (tos, idx + 1) == '*') - { - cattext (&out, "/*"); - idx += 2; - continue; - } - else if (at (tos, idx) == '*' && at (tos, idx + 1) == '}') - { - cattext (&out, "*/"); - idx += 2; - continue; - } - else if (at (tos, idx) == '{' - || at (tos, idx) == '}') - { - catchar (&out, '@'); - } - - catchar (&out, at (tos, idx)); - idx++; - } - catchar (&out, '\n'); - } - while (at (tos, idx) == '\n' - && ((at (tos, idx + 1) == '.') - || (at (tos, idx + 1) == '|'))) - ; - cattext (&out, "@end example"); - } - else - { - catchar (&out, at (tos, idx)); - idx++; - } - } - - overwrite_string (tos, &out); - pc++; -} - -/* Finds any lines starting with "o ", if there are any, then turns - on @itemize @bullet, and @items each of them. Then ends with @end - itemize, inplace at TOS*/ - -static void -bulletize () -{ - unsigned int idx = 0; - int on = 0; - string_type out; - init_string (&out); - - while (at (tos, idx)) - { - if (at (tos, idx) == '@' - && at (tos, idx + 1) == '*') - { - cattext (&out, "*"); - idx += 2; - } - else if (at (tos, idx) == '\n' - && at (tos, idx + 1) == 'o' - && isspace ((unsigned char) at (tos, idx + 2))) - { - if (!on) - { - cattext (&out, "\n@itemize @bullet\n"); - on = 1; - - } - cattext (&out, "\n@item\n"); - idx += 3; - } - else - { - catchar (&out, at (tos, idx)); - if (on && at (tos, idx) == '\n' - && at (tos, idx + 1) == '\n' - && at (tos, idx + 2) != 'o') - { - cattext (&out, "@end itemize"); - on = 0; - } - idx++; - - } - } - if (on) - { - cattext (&out, "@end itemize\n"); - } - - delete_string (tos); - *tos = out; - pc++; -} - -/* Turn <> into @code{foo} in place at TOS*/ - -static void -do_fancy_stuff () -{ - unsigned int idx = 0; - string_type out; - init_string (&out); - while (at (tos, idx)) - { - if (at (tos, idx) == '<' - && at (tos, idx + 1) == '<' - && !isspace ((unsigned char) at (tos, idx + 2))) - { - /* This qualifies as a << startup. */ - idx += 2; - cattext (&out, "@code{"); - while (at (tos, idx) - && at (tos, idx) != '>' ) - { - catchar (&out, at (tos, idx)); - idx++; - - } - cattext (&out, "}"); - idx += 2; - } - else - { - catchar (&out, at (tos, idx)); - idx++; - } - } - delete_string (tos); - *tos = out; - pc++; - -} - -/* A command is all upper case,and alone on a line. */ - -static int -iscommand (ptr, idx) - string_type *ptr; - unsigned int idx; -{ - unsigned int len = 0; - while (at (ptr, idx)) - { - if (isupper ((unsigned char) at (ptr, idx)) - || at (ptr, idx) == ' ' || at (ptr, idx) == '_') - { - len++; - idx++; - } - else if (at (ptr, idx) == '\n') - { - if (len > 3) - return 1; - return 0; - } - else - return 0; - } - return 0; -} - -static int -copy_past_newline (ptr, idx, dst) - string_type *ptr; - unsigned int idx; - string_type *dst; -{ - int column = 0; - - while (at (ptr, idx) && at (ptr, idx) != '\n') - { - if (at (ptr, idx) == '\t') - { - /* Expand tabs. Neither makeinfo nor TeX can cope well with - them. */ - do - catchar (dst, ' '); - while (++column & 7); - } - else - { - catchar (dst, at (ptr, idx)); - column++; - } - idx++; - - } - catchar (dst, at (ptr, idx)); - idx++; - return idx; - -} - -static void -icopy_past_newline () -{ - tos++; - check_range (); - init_string (tos); - idx = copy_past_newline (ptr, idx, tos); - pc++; -} - -/* indent - Take the string at the top of the stack, do some prettying. */ - -static void -kill_bogus_lines () -{ - int sl; - - int idx = 0; - int c; - int dot = 0; - - string_type out; - init_string (&out); - /* Drop leading nl. */ - while (at (tos, idx) == '\n') - { - idx++; - } - c = idx; - - /* If the first char is a '.' prepend a newline so that it is - recognized properly later. */ - if (at (tos, idx) == '.') - catchar (&out, '\n'); - - /* Find the last char. */ - while (at (tos, idx)) - { - idx++; - } - - /* Find the last non white before the nl. */ - idx--; - - while (idx && isspace ((unsigned char) at (tos, idx))) - idx--; - idx++; - - /* Copy buffer upto last char, but blank lines before and after - dots don't count. */ - sl = 1; - - while (c < idx) - { - if (at (tos, c) == '\n' - && at (tos, c + 1) == '\n' - && at (tos, c + 2) == '.') - { - /* Ignore two newlines before a dot. */ - c++; - } - else if (at (tos, c) == '.' && sl) - { - /* remember that this line started with a dot. */ - dot = 2; - } - else if (at (tos, c) == '\n' - && at (tos, c + 1) == '\n' - && dot) - { - c++; - /* Ignore two newlines when last line was dot. */ - } - - catchar (&out, at (tos, c)); - if (at (tos, c) == '\n') - { - sl = 1; - - if (dot == 2) - dot = 1; - else - dot = 0; - } - else - sl = 0; - - c++; - - } - - /* Append nl. */ - catchar (&out, '\n'); - pc++; - delete_string (tos); - *tos = out; - -} - -static void -indent () -{ - string_type out; - int tab = 0; - int idx = 0; - int ol = 0; - init_string (&out); - while (at (tos, idx)) - { - switch (at (tos, idx)) - { - case '\n': - cattext (&out, "\n"); - idx++; - if (tab && at (tos, idx)) - { - cattext (&out, " "); - } - ol = 0; - break; - case '(': - tab++; - if (ol == 0) - cattext (&out, " "); - idx++; - cattext (&out, "("); - ol = 1; - break; - case ')': - tab--; - cattext (&out, ")"); - idx++; - ol = 1; - - break; - default: - catchar (&out, at (tos, idx)); - ol = 1; - - idx++; - break; - } - } - - pc++; - delete_string (tos); - *tos = out; - -} - -static void -get_stuff_in_command () -{ - tos++; - check_range (); - init_string (tos); - - while (at (ptr, idx)) - { - if (iscommand (ptr, idx)) - break; - idx = copy_past_newline (ptr, idx, tos); - } - pc++; -} - -static void -swap () -{ - string_type t; - - t = tos[0]; - tos[0] = tos[-1]; - tos[-1] = t; - pc++; -} - -static void -other_dup () -{ - tos++; - check_range (); - init_string (tos); - catstr (tos, tos - 1); - pc++; -} - -static void -drop () -{ - tos--; - check_range (); - pc++; -} - -static void -idrop () -{ - isp--; - icheck_range (); - pc++; -} - -static void -icatstr () -{ - tos--; - check_range (); - catstr (tos, tos + 1); - delete_string (tos + 1); - pc++; -} - -static void -skip_past_newline () -{ - while (at (ptr, idx) - && at (ptr, idx) != '\n') - idx++; - idx++; - pc++; -} - -static void -internalmode () -{ - internal_mode = *(isp); - isp--; - icheck_range (); - pc++; -} - -static void -maybecatstr () -{ - if (internal_wanted == internal_mode) - { - catstr (tos - 1, tos); - } - delete_string (tos); - tos--; - check_range (); - pc++; -} - -char * -nextword (string, word) - char *string; - char **word; -{ - char *word_start; - int idx; - char *dst; - char *src; - - int length = 0; - - while (isspace ((unsigned char) *string) || *string == '-') - { - if (*string == '-') - { - while (*string && *string != '\n') - string++; - - } - else - { - string++; - } - } - if (!*string) - return 0; - - word_start = string; - if (*string == '"') - { - do - { - string++; - length++; - if (*string == '\\') - { - string += 2; - length += 2; - } - } - while (*string != '"'); - } - else - { - while (!isspace ((unsigned char) *string)) - { - string++; - length++; - - } - } - - *word = malloc (length + 1); - - dst = *word; - src = word_start; - - for (idx = 0; idx < length; idx++) - { - if (src[idx] == '\\') - switch (src[idx + 1]) - { - case 'n': - *dst++ = '\n'; - idx++; - break; - case '"': - case '\\': - *dst++ = src[idx + 1]; - idx++; - break; - default: - *dst++ = '\\'; - break; - } - else - *dst++ = src[idx]; - } - *dst++ = 0; - - if (*string) - return string + 1; - else - return 0; -} - -dict_type *root; - -dict_type * -lookup_word (word) - char *word; -{ - dict_type *ptr = root; - while (ptr) - { - if (strcmp (ptr->word, word) == 0) - return ptr; - ptr = ptr->next; - } - if (warning) - fprintf (stderr, "Can't find %s\n", word); - return 0; -} - -static void -perform () -{ - tos = stack; - - while (at (ptr, idx)) - { - /* It's worth looking through the command list. */ - if (iscommand (ptr, idx)) - { - char *next; - dict_type *word; - - (void) nextword (addr (ptr, idx), &next); - - word = lookup_word (next); - - if (word) - { - exec (word); - } - else - { - if (warning) - fprintf (stderr, "warning, %s is not recognised\n", next); - skip_past_newline (); - } - - } - else - skip_past_newline (); - } -} - -dict_type * -newentry (word) - char *word; -{ - dict_type *new_d = (dict_type *) malloc (sizeof (dict_type)); - new_d->word = word; - new_d->next = root; - root = new_d; - new_d->code = (stinst_type *) malloc (sizeof (stinst_type)); - new_d->code_length = 1; - new_d->code_end = 0; - return new_d; -} - -unsigned int -add_to_definition (entry, word) - dict_type *entry; - stinst_type word; -{ - if (entry->code_end == entry->code_length) - { - entry->code_length += 2; - entry->code = - (stinst_type *) realloc ((char *) (entry->code), - entry->code_length * sizeof (word_type)); - } - entry->code[entry->code_end] = word; - - return entry->code_end++; -} - -void -add_intrinsic (name, func) - char *name; - void (*func) (); -{ - dict_type *new_d = newentry (name); - add_to_definition (new_d, func); - add_to_definition (new_d, 0); -} - -void -add_var (name) - char *name; -{ - dict_type *new_d = newentry (name); - add_to_definition (new_d, push_number); - add_to_definition (new_d, (stinst_type) (&(new_d->var))); - add_to_definition (new_d, 0); -} - -void -compile (string) - char *string; -{ - /* Add words to the dictionary. */ - char *word; - string = nextword (string, &word); - while (string && *string && word[0]) - { - if (strcmp (word, "var") == 0) - { - string = nextword (string, &word); - - add_var (word); - string = nextword (string, &word); - } - else if (word[0] == ':') - { - dict_type *ptr; - /* Compile a word and add to dictionary. */ - string = nextword (string, &word); - - ptr = newentry (word); - string = nextword (string, &word); - while (word[0] != ';') - { - switch (word[0]) - { - case '"': - /* got a string, embed magic push string - function */ - add_to_definition (ptr, push_text); - add_to_definition (ptr, (stinst_type) (word + 1)); - break; - case '0': - case '1': - case '2': - case '3': - case '4': - case '5': - case '6': - case '7': - case '8': - case '9': - /* Got a number, embedd the magic push number - function */ - add_to_definition (ptr, push_number); - add_to_definition (ptr, (stinst_type) atol (word)); - break; - default: - add_to_definition (ptr, call); - add_to_definition (ptr, (stinst_type) lookup_word (word)); - } - - string = nextword (string, &word); - } - add_to_definition (ptr, 0); - string = nextword (string, &word); - } - else - { - fprintf (stderr, "syntax error at %s\n", string - 1); - } - } -} - -static void -bang () -{ - *(long *) ((isp[0])) = isp[-1]; - isp -= 2; - icheck_range (); - pc++; -} - -static void -atsign () -{ - isp[0] = *(long *) (isp[0]); - pc++; -} - -static void -hello () -{ - printf ("hello\n"); - pc++; -} - -static void -stdout_ () -{ - isp++; - icheck_range (); - *isp = 1; - pc++; -} - -static void -stderr_ () -{ - isp++; - icheck_range (); - *isp = 2; - pc++; -} - -static void -print () -{ - if (*isp == 1) - write_buffer (tos, stdout); - else if (*isp == 2) - write_buffer (tos, stderr); - else - fprintf (stderr, "print: illegal print destination `%ld'\n", *isp); - isp--; - tos--; - icheck_range (); - check_range (); - pc++; -} - -static void -read_in (str, file) - string_type *str; - FILE *file; -{ - char buff[10000]; - unsigned int r; - do - { - r = fread (buff, 1, sizeof (buff), file); - catbuf (str, buff, r); - } - while (r); - buff[0] = 0; - - catbuf (str, buff, 1); -} - -static void -usage () -{ - fprintf (stderr, "usage: -[d|i|g] file\n"); - exit (33); -} - -/* There is no reliable way to declare exit. Sometimes it returns - int, and sometimes it returns void. Sometimes it changes between - OS releases. Trying to get it declared correctly in the hosts file - is a pointless waste of time. */ - -static void -chew_exit () -{ - exit (0); -} - -int -main (ac, av) - int ac; - char *av[]; -{ - unsigned int i; - string_type buffer; - string_type pptr; - - init_string (&buffer); - init_string (&pptr); - init_string (stack + 0); - tos = stack + 1; - ptr = &pptr; - - add_intrinsic ("push_text", push_text); - add_intrinsic ("!", bang); - add_intrinsic ("@", atsign); - add_intrinsic ("hello", hello); - add_intrinsic ("stdout", stdout_); - add_intrinsic ("stderr", stderr_); - add_intrinsic ("print", print); - add_intrinsic ("skip_past_newline", skip_past_newline); - add_intrinsic ("catstr", icatstr); - add_intrinsic ("copy_past_newline", icopy_past_newline); - add_intrinsic ("dup", other_dup); - add_intrinsic ("drop", drop); - add_intrinsic ("idrop", idrop); - add_intrinsic ("remchar", remchar); - add_intrinsic ("get_stuff_in_command", get_stuff_in_command); - add_intrinsic ("do_fancy_stuff", do_fancy_stuff); - add_intrinsic ("bulletize", bulletize); - add_intrinsic ("courierize", courierize); - /* If the following line gives an error, exit() is not declared in the - ../hosts/foo.h file for this host. Fix it there, not here! */ - /* No, don't fix it anywhere; see comment on chew_exit--Ian Taylor. */ - add_intrinsic ("exit", chew_exit); - add_intrinsic ("swap", swap); - add_intrinsic ("outputdots", outputdots); - add_intrinsic ("paramstuff", paramstuff); - add_intrinsic ("maybecatstr", maybecatstr); - add_intrinsic ("translatecomments", translatecomments); - add_intrinsic ("kill_bogus_lines", kill_bogus_lines); - add_intrinsic ("indent", indent); - add_intrinsic ("internalmode", internalmode); - add_intrinsic ("print_stack_level", print_stack_level); - add_intrinsic ("strip_trailing_newlines", strip_trailing_newlines); - - /* Put a nl at the start. */ - catchar (&buffer, '\n'); - - read_in (&buffer, stdin); - remove_noncomments (&buffer, ptr); - for (i = 1; i < (unsigned int) ac; i++) - { - if (av[i][0] == '-') - { - if (av[i][1] == 'f') - { - string_type b; - FILE *f; - init_string (&b); - - f = fopen (av[i + 1], "r"); - if (!f) - { - fprintf (stderr, "Can't open the input file %s\n", - av[i + 1]); - return 33; - } - - read_in (&b, f); - compile (b.ptr); - perform (); - } - else if (av[i][1] == 'i') - { - internal_wanted = 1; - } - else if (av[i][1] == 'w') - { - warning = 1; - } - else - usage (); - } - } - write_buffer (stack + 0, stdout); - if (tos != stack) - { - fprintf (stderr, "finishing with current stack level %d\n", - tos - stack); - return 1; - } - return 0; -}

chew.c Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: Makefile.am =================================================================== --- Makefile.am (revision 816) +++ Makefile.am (nonexistent) @@ -1,306 +0,0 @@ -## Process this file with automake to generate Makefile.in - -AUTOMAKE_OPTIONS = 1.9 cygnus - -DOCFILES = aoutx.texi archive.texi archures.texi \ - bfdt.texi cache.texi coffcode.texi \ - core.texi elf.texi elfcode.texi format.texi \ - libbfd.texi bfdwin.texi bfdio.texi \ - opncls.texi reloc.texi section.texi \ - syms.texi targets.texi init.texi hash.texi linker.texi \ - mmo.texi \ - bfdver.texi - -PROTOS = archive.p archures.p bfd.p \ - core.p format.p \ - bfdio.p bfdwin.p \ - libbfd.p opncls.p reloc.p \ - section.p syms.p targets.p \ - format.p core.p init.p - -IPROTOS = cache.ip libbfd.ip reloc.ip init.ip archures.ip coffcode.ip - -# SRCDOC, SRCPROT, SRCIPROT only used to sidestep Sun Make bug in interaction -# between VPATH and suffix rules. If you use GNU Make, perhaps other Makes, -# you don't need these three: -SRCDOC = $(srcdir)/../aoutx.h $(srcdir)/../archive.c \ - $(srcdir)/../archures.c $(srcdir)/../bfd.c \ - $(srcdir)/../bfdio.c $(srcdir)/../bfdwin.c \ - $(srcdir)/../cache.c $(srcdir)/../coffcode.h \ - $(srcdir)/../corefile.c $(srcdir)/../elf.c \ - $(srcdir)/../elfcode.h $(srcdir)/../format.c \ - $(srcdir)/../libbfd.c $(srcdir)/../opncls.c \ - $(srcdir)/../reloc.c $(srcdir)/../section.c \ - $(srcdir)/../syms.c $(srcdir)/../targets.c \ - $(srcdir)/../hash.c $(srcdir)/../linker.c \ - $(srcdir)/../mmo.c - -SRCPROT = $(srcdir)/../archive.c $(srcdir)/../archures.c \ - $(srcdir)/../bfd.c $(srcdir)/../coffcode.h $(srcdir)/../corefile.c \ - $(srcdir)/../format.c $(srcdir)/../libbfd.c \ - $(srcdir)/../bfdio.c $(srcdir)/../bfdwin.c \ - $(srcdir)/../opncls.c $(srcdir)/../reloc.c \ - $(srcdir)/../section.c $(srcdir)/../syms.c \ - $(srcdir)/../targets.c $(srcdir)/../init.c - -SRCIPROT = $(srcdir)/../cache.c $(srcdir)/../libbfd.c \ - $(srcdir)/../bfdio.c $(srcdir)/../bfdwin.c \ - $(srcdir)/../reloc.c $(srcdir)/../cpu-h8300.c \ - $(srcdir)/../cpu-i960.c $(srcdir)/../archures.c \ - $(srcdir)/../init.c - -TEXIDIR = $(srcdir)/../../texinfo/fsf - -info_TEXINFOS = bfd.texinfo -bfd_TEXINFOS = $(DOCFILES) bfdsumm.texi - -MKDOC = chew$(EXEEXT_FOR_BUILD) - -AM_CPPFLAGS = -I.. -I$(srcdir)/.. -I$(srcdir)/../../include \ - -I$(srcdir)/../../intl -I../../intl - -$(MKDOC): $(srcdir)/chew.c - $(CC_FOR_BUILD) -o chew.$$$$ $(CFLAGS_FOR_BUILD) $(LDFLAGS_FOR_BUILD) \ - $(H_CFLAGS) $(AM_CPPFLAGS) $(srcdir)/chew.c; \ - $(SHELL) $(srcdir)/../../move-if-change chew.$$$$ $(MKDOC) - -protos: libbfd.h libcoff.h bfd.h - -# We can't replace these rules with an implicit rule, because -# makes without VPATH support couldn't find the .h files in `..'. - -# We do not depend on chew directly so that we can distribute the info -# files, and permit people to rebuild them, without requiring the makeinfo -# program. 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echo "@set VERSION $(VERSION)" > bfdver.texi; \ - if [ -n "$(PKGVERSION)" ]; then \ - echo "@set VERSION_PACKAGE $(PKGVERSION)" >> bfdver.texi; \ - fi; \ - echo "@set UPDATED `date '+%B %Y'`" >> bfdver.texi; \ - if [ -n "$(REPORT_BUGS_TEXI)" ]; then \ - echo "@set BUGURL $(REPORT_BUGS_TEXI)" >> bfdver.texi; \ - fi - -noinst_TEXINFOS = bfdint.texi - -MOSTLYCLEANFILES = $(MKDOC) *.o - -CLEANFILES = *.p *.ip - -DISTCLEANFILES = bfd.?? bfd.??? bfd.h libbfd.h libcoff.h texput.log - -MAINTAINERCLEANFILES = $(DOCFILES) - -# We want install to imply install-info as per GNU standards, despite the -# cygnus option. -install: install-info - -MAINTAINERCLEANFILES += bfd.info - -# Automake 1.9 will only build info files in the objdir if they are -# mentioned in DISTCLEANFILES. It doesn't have to be unconditional, -# though, so we use a bogus condition. -if GENINSRC_NEVER -DISTCLEANFILES += bfd.info -endif

Makefile.am Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: section.texi =================================================================== --- section.texi (revision 816) +++ section.texi (nonexistent) @@ -1,1007 +0,0 @@ -@section Sections -The raw data contained within a BFD is maintained through the -section abstraction. A single BFD may have any number of -sections. It keeps hold of them by pointing to the first; -each one points to the next in the list. - -Sections are supported in BFD in @code{section.c}. - -@menu -* Section Input:: -* Section Output:: -* typedef asection:: -* section prototypes:: -@end menu - -@node Section Input, Section Output, Sections, Sections -@subsection Section input -When a BFD is opened for reading, the section structures are -created and attached to the BFD. - -Each section has a name which describes the section in the -outside world---for example, @code{a.out} would contain at least -three sections, called @code{.text}, @code{.data} and @code{.bss}. - -Names need not be unique; for example a COFF file may have several -sections named @code{.data}. - -Sometimes a BFD will contain more than the ``natural'' number of -sections. A back end may attach other sections containing -constructor data, or an application may add a section (using -@code{bfd_make_section}) to the sections attached to an already open -BFD. For example, the linker creates an extra section -@code{COMMON} for each input file's BFD to hold information about -common storage. - -The raw data is not necessarily read in when -the section descriptor is created. Some targets may leave the -data in place until a @code{bfd_get_section_contents} call is -made. Other back ends may read in all the data at once. For -example, an S-record file has to be read once to determine the -size of the data. An IEEE-695 file doesn't contain raw data in -sections, but data and relocation expressions intermixed, so -the data area has to be parsed to get out the data and -relocations. - -@node Section Output, typedef asection, Section Input, Sections -@subsection Section output -To write a new object style BFD, the various sections to be -written have to be created. They are attached to the BFD in -the same way as input sections; data is written to the -sections using @code{bfd_set_section_contents}. - -Any program that creates or combines sections (e.g., the assembler -and linker) must use the @code{asection} fields @code{output_section} and -@code{output_offset} to indicate the file sections to which each -section must be written. (If the section is being created from -scratch, @code{output_section} should probably point to the section -itself and @code{output_offset} should probably be zero.) - -The data to be written comes from input sections attached -(via @code{output_section} pointers) to -the output sections. The output section structure can be -considered a filter for the input section: the output section -determines the vma of the output data and the name, but the -input section determines the offset into the output section of -the data to be written. - -E.g., to create a section "O", starting at 0x100, 0x123 long, -containing two subsections, "A" at offset 0x0 (i.e., at vma -0x100) and "B" at offset 0x20 (i.e., at vma 0x120) the @code{asection} -structures would look like: - -@example - section name "A" - output_offset 0x00 - size 0x20 - output_section -----------> section name "O" - | vma 0x100 - section name "B" | size 0x123 - output_offset 0x20 | - size 0x103 | - output_section --------| -@end example - -@subsection Link orders -The data within a section is stored in a @dfn{link_order}. -These are much like the fixups in @code{gas}. The link_order -abstraction allows a section to grow and shrink within itself. - -A link_order knows how big it is, and which is the next -link_order and where the raw data for it is; it also points to -a list of relocations which apply to it. - -The link_order is used by the linker to perform relaxing on -final code. The compiler creates code which is as big as -necessary to make it work without relaxing, and the user can -select whether to relax. Sometimes relaxing takes a lot of -time. The linker runs around the relocations to see if any -are attached to data which can be shrunk, if so it does it on -a link_order by link_order basis. - - -@node typedef asection, section prototypes, Section Output, Sections -@subsection typedef asection -Here is the section structure: - - -@example - -typedef struct bfd_section -@{ - /* The name of the section; the name isn't a copy, the pointer is - the same as that passed to bfd_make_section. */ - const char *name; - - /* A unique sequence number. */ - int id; - - /* Which section in the bfd; 0..n-1 as sections are created in a bfd. */ - int index; - - /* The next section in the list belonging to the BFD, or NULL. */ - struct bfd_section *next; - - /* The previous section in the list belonging to the BFD, or NULL. */ - struct bfd_section *prev; - - /* The field flags contains attributes of the section. Some - flags are read in from the object file, and some are - synthesized from other information. */ - flagword flags; - -#define SEC_NO_FLAGS 0x000 - - /* Tells the OS to allocate space for this section when loading. - This is clear for a section containing debug information only. */ -#define SEC_ALLOC 0x001 - - /* Tells the OS to load the section from the file when loading. - This is clear for a .bss section. */ -#define SEC_LOAD 0x002 - - /* The section contains data still to be relocated, so there is - some relocation information too. */ -#define SEC_RELOC 0x004 - - /* A signal to the OS that the section contains read only data. */ -#define SEC_READONLY 0x008 - - /* The section contains code only. */ -#define SEC_CODE 0x010 - - /* The section contains data only. */ -#define SEC_DATA 0x020 - - /* The section will reside in ROM. */ -#define SEC_ROM 0x040 - - /* The section contains constructor information. This section - type is used by the linker to create lists of constructors and - destructors used by @code{g++}. When a back end sees a symbol - which should be used in a constructor list, it creates a new - section for the type of name (e.g., @code{__CTOR_LIST__}), attaches - the symbol to it, and builds a relocation. To build the lists - of constructors, all the linker has to do is catenate all the - sections called @code{__CTOR_LIST__} and relocate the data - contained within - exactly the operations it would peform on - standard data. */ -#define SEC_CONSTRUCTOR 0x080 - - /* The section has contents - a data section could be - @code{SEC_ALLOC} | @code{SEC_HAS_CONTENTS}; a debug section could be - @code{SEC_HAS_CONTENTS} */ -#define SEC_HAS_CONTENTS 0x100 - - /* An instruction to the linker to not output the section - even if it has information which would normally be written. */ -#define SEC_NEVER_LOAD 0x200 - - /* The section contains thread local data. */ -#define SEC_THREAD_LOCAL 0x400 - - /* The section has GOT references. This flag is only for the - linker, and is currently only used by the elf32-hppa back end. - It will be set if global offset table references were detected - in this section, which indicate to the linker that the section - contains PIC code, and must be handled specially when doing a - static link. */ -#define SEC_HAS_GOT_REF 0x800 - - /* The section contains common symbols (symbols may be defined - multiple times, the value of a symbol is the amount of - space it requires, and the largest symbol value is the one - used). Most targets have exactly one of these (which we - translate to bfd_com_section_ptr), but ECOFF has two. */ -#define SEC_IS_COMMON 0x1000 - - /* The section contains only debugging information. For - example, this is set for ELF .debug and .stab sections. - strip tests this flag to see if a section can be - discarded. */ -#define SEC_DEBUGGING 0x2000 - - /* The contents of this section are held in memory pointed to - by the contents field. This is checked by bfd_get_section_contents, - and the data is retrieved from memory if appropriate. */ -#define SEC_IN_MEMORY 0x4000 - - /* The contents of this section are to be excluded by the - linker for executable and shared objects unless those - objects are to be further relocated. */ -#define SEC_EXCLUDE 0x8000 - - /* The contents of this section are to be sorted based on the sum of - the symbol and addend values specified by the associated relocation - entries. Entries without associated relocation entries will be - appended to the end of the section in an unspecified order. */ -#define SEC_SORT_ENTRIES 0x10000 - - /* When linking, duplicate sections of the same name should be - discarded, rather than being combined into a single section as - is usually done. This is similar to how common symbols are - handled. See SEC_LINK_DUPLICATES below. */ -#define SEC_LINK_ONCE 0x20000 - - /* If SEC_LINK_ONCE is set, this bitfield describes how the linker - should handle duplicate sections. */ -#define SEC_LINK_DUPLICATES 0xc0000 - - /* This value for SEC_LINK_DUPLICATES means that duplicate - sections with the same name should simply be discarded. */ -#define SEC_LINK_DUPLICATES_DISCARD 0x0 - - /* This value for SEC_LINK_DUPLICATES means that the linker - should warn if there are any duplicate sections, although - it should still only link one copy. */ -#define SEC_LINK_DUPLICATES_ONE_ONLY 0x40000 - - /* This value for SEC_LINK_DUPLICATES means that the linker - should warn if any duplicate sections are a different size. */ -#define SEC_LINK_DUPLICATES_SAME_SIZE 0x80000 - - /* This value for SEC_LINK_DUPLICATES means that the linker - should warn if any duplicate sections contain different - contents. */ -#define SEC_LINK_DUPLICATES_SAME_CONTENTS \ - (SEC_LINK_DUPLICATES_ONE_ONLY | SEC_LINK_DUPLICATES_SAME_SIZE) - - /* This section was created by the linker as part of dynamic - relocation or other arcane processing. It is skipped when - going through the first-pass output, trusting that someone - else up the line will take care of it later. */ -#define SEC_LINKER_CREATED 0x100000 - - /* This section should not be subject to garbage collection. - Also set to inform the linker that this section should not be - listed in the link map as discarded. */ -#define SEC_KEEP 0x200000 - - /* This section contains "short" data, and should be placed - "near" the GP. */ -#define SEC_SMALL_DATA 0x400000 - - /* Attempt to merge identical entities in the section. - Entity size is given in the entsize field. */ -#define SEC_MERGE 0x800000 - - /* If given with SEC_MERGE, entities to merge are zero terminated - strings where entsize specifies character size instead of fixed - size entries. */ -#define SEC_STRINGS 0x1000000 - - /* This section contains data about section groups. */ -#define SEC_GROUP 0x2000000 - - /* The section is a COFF shared library section. This flag is - only for the linker. If this type of section appears in - the input file, the linker must copy it to the output file - without changing the vma or size. FIXME: Although this - was originally intended to be general, it really is COFF - specific (and the flag was renamed to indicate this). It - might be cleaner to have some more general mechanism to - allow the back end to control what the linker does with - sections. */ -#define SEC_COFF_SHARED_LIBRARY 0x4000000 - - /* This section contains data which may be shared with other - executables or shared objects. This is for COFF only. */ -#define SEC_COFF_SHARED 0x8000000 - - /* When a section with this flag is being linked, then if the size of - the input section is less than a page, it should not cross a page - boundary. If the size of the input section is one page or more, - it should be aligned on a page boundary. This is for TI - TMS320C54X only. */ -#define SEC_TIC54X_BLOCK 0x10000000 - - /* Conditionally link this section; do not link if there are no - references found to any symbol in the section. This is for TI - TMS320C54X only. */ -#define SEC_TIC54X_CLINK 0x20000000 - - /* Indicate that section has the no read flag set. This happens - when memory read flag isn't set. */ -#define SEC_COFF_NOREAD 0x40000000 - - /* End of section flags. */ - - /* Some internal packed boolean fields. */ - - /* See the vma field. */ - unsigned int user_set_vma : 1; - - /* A mark flag used by some of the linker backends. */ - unsigned int linker_mark : 1; - - /* Another mark flag used by some of the linker backends. Set for - output sections that have an input section. */ - unsigned int linker_has_input : 1; - - /* Mark flag used by some linker backends for garbage collection. */ - unsigned int gc_mark : 1; - - /* The following flags are used by the ELF linker. */ - - /* Mark sections which have been allocated to segments. */ - unsigned int segment_mark : 1; - - /* Type of sec_info information. */ - unsigned int sec_info_type:3; -#define ELF_INFO_TYPE_NONE 0 -#define ELF_INFO_TYPE_STABS 1 -#define ELF_INFO_TYPE_MERGE 2 -#define ELF_INFO_TYPE_EH_FRAME 3 -#define ELF_INFO_TYPE_JUST_SYMS 4 - - /* Nonzero if this section uses RELA relocations, rather than REL. */ - unsigned int use_rela_p:1; - - /* Bits used by various backends. The generic code doesn't touch - these fields. */ - - /* Nonzero if this section has TLS related relocations. */ - unsigned int has_tls_reloc:1; - - /* Nonzero if this section has a call to __tls_get_addr. */ - unsigned int has_tls_get_addr_call:1; - - /* Nonzero if this section has a gp reloc. */ - unsigned int has_gp_reloc:1; - - /* Nonzero if this section needs the relax finalize pass. */ - unsigned int need_finalize_relax:1; - - /* Whether relocations have been processed. */ - unsigned int reloc_done : 1; - - /* End of internal packed boolean fields. */ - - /* The virtual memory address of the section - where it will be - at run time. The symbols are relocated against this. The - user_set_vma flag is maintained by bfd; if it's not set, the - backend can assign addresses (for example, in @code{a.out}, where - the default address for @code{.data} is dependent on the specific - target and various flags). */ - bfd_vma vma; - - /* The load address of the section - where it would be in a - rom image; really only used for writing section header - information. */ - bfd_vma lma; - - /* The size of the section in octets, as it will be output. - Contains a value even if the section has no contents (e.g., the - size of @code{.bss}). */ - bfd_size_type size; - - /* For input sections, the original size on disk of the section, in - octets. This field should be set for any section whose size is - changed by linker relaxation. It is required for sections where - the linker relaxation scheme doesn't cache altered section and - reloc contents (stabs, eh_frame, SEC_MERGE, some coff relaxing - targets), and thus the original size needs to be kept to read the - section multiple times. For output sections, rawsize holds the - section size calculated on a previous linker relaxation pass. */ - bfd_size_type rawsize; - - /* Relaxation table. */ - struct relax_table *relax; - - /* Count of used relaxation table entries. */ - int relax_count; - - - /* If this section is going to be output, then this value is the - offset in *bytes* into the output section of the first byte in the - input section (byte ==> smallest addressable unit on the - target). In most cases, if this was going to start at the - 100th octet (8-bit quantity) in the output section, this value - would be 100. However, if the target byte size is 16 bits - (bfd_octets_per_byte is "2"), this value would be 50. */ - bfd_vma output_offset; - - /* The output section through which to map on output. */ - struct bfd_section *output_section; - - /* The alignment requirement of the section, as an exponent of 2 - - e.g., 3 aligns to 2^3 (or 8). */ - unsigned int alignment_power; - - /* If an input section, a pointer to a vector of relocation - records for the data in this section. */ - struct reloc_cache_entry *relocation; - - /* If an output section, a pointer to a vector of pointers to - relocation records for the data in this section. */ - struct reloc_cache_entry **orelocation; - - /* The number of relocation records in one of the above. */ - unsigned reloc_count; - - /* Information below is back end specific - and not always used - or updated. */ - - /* File position of section data. */ - file_ptr filepos; - - /* File position of relocation info. */ - file_ptr rel_filepos; - - /* File position of line data. */ - file_ptr line_filepos; - - /* Pointer to data for applications. */ - void *userdata; - - /* If the SEC_IN_MEMORY flag is set, this points to the actual - contents. */ - unsigned char *contents; - - /* Attached line number information. */ - alent *lineno; - - /* Number of line number records. */ - unsigned int lineno_count; - - /* Entity size for merging purposes. */ - unsigned int entsize; - - /* Points to the kept section if this section is a link-once section, - and is discarded. */ - struct bfd_section *kept_section; - - /* When a section is being output, this value changes as more - linenumbers are written out. */ - file_ptr moving_line_filepos; - - /* What the section number is in the target world. */ - int target_index; - - void *used_by_bfd; - - /* If this is a constructor section then here is a list of the - relocations created to relocate items within it. */ - struct relent_chain *constructor_chain; - - /* The BFD which owns the section. */ - bfd *owner; - - /* A symbol which points at this section only. */ - struct bfd_symbol *symbol; - struct bfd_symbol **symbol_ptr_ptr; - - /* Early in the link process, map_head and map_tail are used to build - a list of input sections attached to an output section. Later, - output sections use these fields for a list of bfd_link_order - structs. */ - union @{ - struct bfd_link_order *link_order; - struct bfd_section *s; - @} map_head, map_tail; -@} asection; - -/* Relax table contains information about instructions which can - be removed by relaxation -- replacing a long address with a - short address. */ -struct relax_table @{ - /* Address where bytes may be deleted. */ - bfd_vma addr; - - /* Number of bytes to be deleted. */ - int size; -@}; - -/* These sections are global, and are managed by BFD. The application - and target back end are not permitted to change the values in - these sections. New code should use the section_ptr macros rather - than referring directly to the const sections. The const sections - may eventually vanish. */ -#define BFD_ABS_SECTION_NAME "*ABS*" -#define BFD_UND_SECTION_NAME "*UND*" -#define BFD_COM_SECTION_NAME "*COM*" -#define BFD_IND_SECTION_NAME "*IND*" - -/* The absolute section. */ -extern asection bfd_abs_section; -#define bfd_abs_section_ptr ((asection *) &bfd_abs_section) -#define bfd_is_abs_section(sec) ((sec) == bfd_abs_section_ptr) -/* Pointer to the undefined section. */ -extern asection bfd_und_section; -#define bfd_und_section_ptr ((asection *) &bfd_und_section) -#define bfd_is_und_section(sec) ((sec) == bfd_und_section_ptr) -/* Pointer to the common section. */ -extern asection bfd_com_section; -#define bfd_com_section_ptr ((asection *) &bfd_com_section) -/* Pointer to the indirect section. */ -extern asection bfd_ind_section; -#define bfd_ind_section_ptr ((asection *) &bfd_ind_section) -#define bfd_is_ind_section(sec) ((sec) == bfd_ind_section_ptr) - -#define bfd_is_const_section(SEC) \ - ( ((SEC) == bfd_abs_section_ptr) \ - || ((SEC) == bfd_und_section_ptr) \ - || ((SEC) == bfd_com_section_ptr) \ - || ((SEC) == bfd_ind_section_ptr)) - -/* Macros to handle insertion and deletion of a bfd's sections. These - only handle the list pointers, ie. do not adjust section_count, - target_index etc. */ -#define bfd_section_list_remove(ABFD, S) \ - do \ - @{ \ - asection *_s = S; \ - asection *_next = _s->next; \ - asection *_prev = _s->prev; \ - if (_prev) \ - _prev->next = _next; \ - else \ - (ABFD)->sections = _next; \ - if (_next) \ - _next->prev = _prev; \ - else \ - (ABFD)->section_last = _prev; \ - @} \ - while (0) -#define bfd_section_list_append(ABFD, S) \ - do \ - @{ \ - asection *_s = S; \ - bfd *_abfd = ABFD; \ - _s->next = NULL; \ - if (_abfd->section_last) \ - @{ \ - _s->prev = _abfd->section_last; \ - _abfd->section_last->next = _s; \ - @} \ - else \ - @{ \ - _s->prev = NULL; \ - _abfd->sections = _s; \ - @} \ - _abfd->section_last = _s; \ - @} \ - while (0) -#define bfd_section_list_prepend(ABFD, S) \ - do \ - @{ \ - asection *_s = S; \ - bfd *_abfd = ABFD; \ - _s->prev = NULL; \ - if (_abfd->sections) \ - @{ \ - _s->next = _abfd->sections; \ - _abfd->sections->prev = _s; \ - @} \ - else \ - @{ \ - _s->next = NULL; \ - _abfd->section_last = _s; \ - @} \ - _abfd->sections = _s; \ - @} \ - while (0) -#define bfd_section_list_insert_after(ABFD, A, S) \ - do \ - @{ \ - asection *_a = A; \ - asection *_s = S; \ - asection *_next = _a->next; \ - _s->next = _next; \ - _s->prev = _a; \ - _a->next = _s; \ - if (_next) \ - _next->prev = _s; \ - else \ - (ABFD)->section_last = _s; \ - @} \ - while (0) -#define bfd_section_list_insert_before(ABFD, B, S) \ - do \ - @{ \ - asection *_b = B; \ - asection *_s = S; \ - asection *_prev = _b->prev; \ - _s->prev = _prev; \ - _s->next = _b; \ - _b->prev = _s; \ - if (_prev) \ - _prev->next = _s; \ - else \ - (ABFD)->sections = _s; \ - @} \ - while (0) -#define bfd_section_removed_from_list(ABFD, S) \ - ((S)->next == NULL ? (ABFD)->section_last != (S) : (S)->next->prev != (S)) - -#define BFD_FAKE_SECTION(SEC, FLAGS, SYM, NAME, IDX) \ - /* name, id, index, next, prev, flags, user_set_vma, */ \ - @{ NAME, IDX, 0, NULL, NULL, FLAGS, 0, \ - \ - /* linker_mark, linker_has_input, gc_mark, */ \ - 0, 0, 1, \ - \ - /* segment_mark, sec_info_type, use_rela_p, has_tls_reloc, */ \ - 0, 0, 0, 0, \ - \ - /* has_tls_get_addr_call, has_gp_reloc, need_finalize_relax, */ \ - 0, 0, 0, \ - \ - /* reloc_done, vma, lma, size, rawsize, relax, relax_count, */ \ - 0, 0, 0, 0, 0, 0, 0, \ - \ - /* output_offset, output_section, alignment_power, */ \ - 0, (struct bfd_section *) &SEC, 0, \ - \ - /* relocation, orelocation, reloc_count, filepos, rel_filepos, */ \ - NULL, NULL, 0, 0, 0, \ - \ - /* line_filepos, userdata, contents, lineno, lineno_count, */ \ - 0, NULL, NULL, NULL, 0, \ - \ - /* entsize, kept_section, moving_line_filepos, */ \ - 0, NULL, 0, \ - \ - /* target_index, used_by_bfd, constructor_chain, owner, */ \ - 0, NULL, NULL, NULL, \ - \ - /* symbol, symbol_ptr_ptr, */ \ - (struct bfd_symbol *) SYM, &SEC.symbol, \ - \ - /* map_head, map_tail */ \ - @{ NULL @}, @{ NULL @} \ - @} - -@end example - -@node section prototypes, , typedef asection, Sections -@subsection Section prototypes -These are the functions exported by the section handling part of BFD. - -@findex bfd_section_list_clear -@subsubsection @code{bfd_section_list_clear} -@strong{Synopsis} -@example -void bfd_section_list_clear (bfd *); -@end example -@strong{Description}@* -Clears the section list, and also resets the section count and -hash table entries. - -@findex bfd_get_section_by_name -@subsubsection @code{bfd_get_section_by_name} -@strong{Synopsis} -@example -asection *bfd_get_section_by_name (bfd *abfd, const char *name); -@end example -@strong{Description}@* -Run through @var{abfd} and return the one of the -@code{asection}s whose name matches @var{name}, otherwise @code{NULL}. -@xref{Sections}, for more information. - -This should only be used in special cases; the normal way to process -all sections of a given name is to use @code{bfd_map_over_sections} and -@code{strcmp} on the name (or better yet, base it on the section flags -or something else) for each section. - -@findex bfd_get_section_by_name_if -@subsubsection @code{bfd_get_section_by_name_if} -@strong{Synopsis} -@example -asection *bfd_get_section_by_name_if - (bfd *abfd, - const char *name, - bfd_boolean (*func) (bfd *abfd, asection *sect, void *obj), - void *obj); -@end example -@strong{Description}@* -Call the provided function @var{func} for each section -attached to the BFD @var{abfd} whose name matches @var{name}, -passing @var{obj} as an argument. The function will be called -as if by - -@example - func (abfd, the_section, obj); -@end example - -It returns the first section for which @var{func} returns true, -otherwise @code{NULL}. - -@findex bfd_get_unique_section_name -@subsubsection @code{bfd_get_unique_section_name} -@strong{Synopsis} -@example -char *bfd_get_unique_section_name - (bfd *abfd, const char *templat, int *count); -@end example -@strong{Description}@* -Invent a section name that is unique in @var{abfd} by tacking -a dot and a digit suffix onto the original @var{templat}. If -@var{count} is non-NULL, then it specifies the first number -tried as a suffix to generate a unique name. The value -pointed to by @var{count} will be incremented in this case. - -@findex bfd_make_section_old_way -@subsubsection @code{bfd_make_section_old_way} -@strong{Synopsis} -@example -asection *bfd_make_section_old_way (bfd *abfd, const char *name); -@end example -@strong{Description}@* -Create a new empty section called @var{name} -and attach it to the end of the chain of sections for the -BFD @var{abfd}. An attempt to create a section with a name which -is already in use returns its pointer without changing the -section chain. - -It has the funny name since this is the way it used to be -before it was rewritten.... - -Possible errors are: -@itemize @bullet - -@item -@code{bfd_error_invalid_operation} - -If output has already started for this BFD. -@item -@code{bfd_error_no_memory} - -If memory allocation fails. -@end itemize - -@findex bfd_make_section_anyway_with_flags -@subsubsection @code{bfd_make_section_anyway_with_flags} -@strong{Synopsis} -@example -asection *bfd_make_section_anyway_with_flags - (bfd *abfd, const char *name, flagword flags); -@end example -@strong{Description}@* -Create a new empty section called @var{name} and attach it to the end of -the chain of sections for @var{abfd}. Create a new section even if there -is already a section with that name. Also set the attributes of the -new section to the value @var{flags}. - -Return @code{NULL} and set @code{bfd_error} on error; possible errors are: -@itemize @bullet - -@item -@code{bfd_error_invalid_operation} - If output has already started for @var{abfd}. -@item -@code{bfd_error_no_memory} - If memory allocation fails. -@end itemize - -@findex bfd_make_section_anyway -@subsubsection @code{bfd_make_section_anyway} -@strong{Synopsis} -@example -asection *bfd_make_section_anyway (bfd *abfd, const char *name); -@end example -@strong{Description}@* -Create a new empty section called @var{name} and attach it to the end of -the chain of sections for @var{abfd}. Create a new section even if there -is already a section with that name. - -Return @code{NULL} and set @code{bfd_error} on error; possible errors are: -@itemize @bullet - -@item -@code{bfd_error_invalid_operation} - If output has already started for @var{abfd}. -@item -@code{bfd_error_no_memory} - If memory allocation fails. -@end itemize - -@findex bfd_make_section_with_flags -@subsubsection @code{bfd_make_section_with_flags} -@strong{Synopsis} -@example -asection *bfd_make_section_with_flags - (bfd *, const char *name, flagword flags); -@end example -@strong{Description}@* -Like @code{bfd_make_section_anyway}, but return @code{NULL} (without calling -bfd_set_error ()) without changing the section chain if there is already a -section named @var{name}. Also set the attributes of the new section to -the value @var{flags}. If there is an error, return @code{NULL} and set -@code{bfd_error}. - -@findex bfd_make_section -@subsubsection @code{bfd_make_section} -@strong{Synopsis} -@example -asection *bfd_make_section (bfd *, const char *name); -@end example -@strong{Description}@* -Like @code{bfd_make_section_anyway}, but return @code{NULL} (without calling -bfd_set_error ()) without changing the section chain if there is already a -section named @var{name}. If there is an error, return @code{NULL} and set -@code{bfd_error}. - -@findex bfd_set_section_flags -@subsubsection @code{bfd_set_section_flags} -@strong{Synopsis} -@example -bfd_boolean bfd_set_section_flags - (bfd *abfd, asection *sec, flagword flags); -@end example -@strong{Description}@* -Set the attributes of the section @var{sec} in the BFD -@var{abfd} to the value @var{flags}. Return @code{TRUE} on success, -@code{FALSE} on error. Possible error returns are: - -@itemize @bullet - -@item -@code{bfd_error_invalid_operation} - -The section cannot have one or more of the attributes -requested. For example, a .bss section in @code{a.out} may not -have the @code{SEC_HAS_CONTENTS} field set. -@end itemize - -@findex bfd_map_over_sections -@subsubsection @code{bfd_map_over_sections} -@strong{Synopsis} -@example -void bfd_map_over_sections - (bfd *abfd, - void (*func) (bfd *abfd, asection *sect, void *obj), - void *obj); -@end example -@strong{Description}@* -Call the provided function @var{func} for each section -attached to the BFD @var{abfd}, passing @var{obj} as an -argument. The function will be called as if by - -@example - func (abfd, the_section, obj); -@end example - -This is the preferred method for iterating over sections; an -alternative would be to use a loop: - -@example - section *p; - for (p = abfd->sections; p != NULL; p = p->next) - func (abfd, p, ...) -@end example - -@findex bfd_sections_find_if -@subsubsection @code{bfd_sections_find_if} -@strong{Synopsis} -@example -asection *bfd_sections_find_if - (bfd *abfd, - bfd_boolean (*operation) (bfd *abfd, asection *sect, void *obj), - void *obj); -@end example -@strong{Description}@* -Call the provided function @var{operation} for each section -attached to the BFD @var{abfd}, passing @var{obj} as an -argument. The function will be called as if by - -@example - operation (abfd, the_section, obj); -@end example - -It returns the first section for which @var{operation} returns true. - -@findex bfd_set_section_size -@subsubsection @code{bfd_set_section_size} -@strong{Synopsis} -@example -bfd_boolean bfd_set_section_size - (bfd *abfd, asection *sec, bfd_size_type val); -@end example -@strong{Description}@* -Set @var{sec} to the size @var{val}. If the operation is -ok, then @code{TRUE} is returned, else @code{FALSE}. - -Possible error returns: -@itemize @bullet - -@item -@code{bfd_error_invalid_operation} - -Writing has started to the BFD, so setting the size is invalid. -@end itemize - -@findex bfd_set_section_contents -@subsubsection @code{bfd_set_section_contents} -@strong{Synopsis} -@example -bfd_boolean bfd_set_section_contents - (bfd *abfd, asection *section, const void *data, - file_ptr offset, bfd_size_type count); -@end example -@strong{Description}@* -Sets the contents of the section @var{section} in BFD -@var{abfd} to the data starting in memory at @var{data}. The -data is written to the output section starting at offset -@var{offset} for @var{count} octets. - -Normally @code{TRUE} is returned, else @code{FALSE}. Possible error -returns are: -@itemize @bullet - -@item -@code{bfd_error_no_contents} - -The output section does not have the @code{SEC_HAS_CONTENTS} -attribute, so nothing can be written to it. -@item -and some more too -@end itemize -This routine is front end to the back end function -@code{_bfd_set_section_contents}. - -@findex bfd_get_section_contents -@subsubsection @code{bfd_get_section_contents} -@strong{Synopsis} -@example -bfd_boolean bfd_get_section_contents - (bfd *abfd, asection *section, void *location, file_ptr offset, - bfd_size_type count); -@end example -@strong{Description}@* -Read data from @var{section} in BFD @var{abfd} -into memory starting at @var{location}. The data is read at an -offset of @var{offset} from the start of the input section, -and is read for @var{count} bytes. - -If the contents of a constructor with the @code{SEC_CONSTRUCTOR} -flag set are requested or if the section does not have the -@code{SEC_HAS_CONTENTS} flag set, then the @var{location} is filled -with zeroes. If no errors occur, @code{TRUE} is returned, else -@code{FALSE}. - -@findex bfd_malloc_and_get_section -@subsubsection @code{bfd_malloc_and_get_section} -@strong{Synopsis} -@example -bfd_boolean bfd_malloc_and_get_section - (bfd *abfd, asection *section, bfd_byte **buf); -@end example -@strong{Description}@* -Read all data from @var{section} in BFD @var{abfd} -into a buffer, *@var{buf}, malloc'd by this function. - -@findex bfd_copy_private_section_data -@subsubsection @code{bfd_copy_private_section_data} -@strong{Synopsis} -@example -bfd_boolean bfd_copy_private_section_data - (bfd *ibfd, asection *isec, bfd *obfd, asection *osec); -@end example -@strong{Description}@* -Copy private section information from @var{isec} in the BFD -@var{ibfd} to the section @var{osec} in the BFD @var{obfd}. -Return @code{TRUE} on success, @code{FALSE} on error. Possible error -returns are: - -@itemize @bullet - -@item -@code{bfd_error_no_memory} - -Not enough memory exists to create private data for @var{osec}. -@end itemize -@example -#define bfd_copy_private_section_data(ibfd, isection, obfd, osection) \ - BFD_SEND (obfd, _bfd_copy_private_section_data, \ - (ibfd, isection, obfd, osection)) -@end example - -@findex bfd_generic_is_group_section -@subsubsection @code{bfd_generic_is_group_section} -@strong{Synopsis} -@example -bfd_boolean bfd_generic_is_group_section (bfd *, const asection *sec); -@end example -@strong{Description}@* -Returns TRUE if @var{sec} is a member of a group. - -@findex bfd_generic_discard_group -@subsubsection @code{bfd_generic_discard_group} -@strong{Synopsis} -@example -bfd_boolean bfd_generic_discard_group (bfd *abfd, asection *group); -@end example -@strong{Description}@* -Remove all members of @var{group} from the output. -

section.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: elf.texi =================================================================== --- elf.texi (revision 816) +++ elf.texi (nonexistent) @@ -1,9 +0,0 @@ -@section ELF backends -BFD support for ELF formats is being worked on. -Currently, the best supported back ends are for sparc and i386 -(running svr4 or Solaris 2). - -Documentation of the internals of the support code still needs -to be written. The code is changing quickly enough that we -haven't bothered yet. -

elf.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: bfdint.texi =================================================================== --- bfdint.texi (revision 816) +++ bfdint.texi (nonexistent) @@ -1,1902 +0,0 @@ -\input texinfo -@c Copyright 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1998, -@c 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2009 -@c Free Software Foundation, Inc. -@setfilename bfdint.info - -@settitle BFD Internals -@iftex -@titlepage -@title{BFD Internals} -@author{Ian Lance Taylor} -@author{Cygnus Solutions} -@page -@end iftex - -@copying -This file documents the internals of the BFD library. - -Copyright @copyright{} 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, -1996, 1998, 2000, 2001, 2002, 2003, 2004, 2006, 2007, 2009 -Free Software Foundation, Inc. -Contributed by Cygnus Support. - -Permission is granted to copy, distribute and/or modify this document -under the terms of the GNU Free Documentation License, Version 1.1 or -any later version published by the Free Software Foundation; with the -Invariant Sections being ``GNU General Public License'' and ``Funding -Free Software'', the Front-Cover texts being (a) (see below), and with -the Back-Cover Texts being (b) (see below). A copy of the license is -included in the section entitled ``GNU Free Documentation License''. - -(a) The FSF's Front-Cover Text is: - - A GNU Manual - -(b) The FSF's Back-Cover Text is: - - You have freedom to copy and modify this GNU Manual, like GNU - software. Copies published by the Free Software Foundation raise - funds for GNU development. -@end copying - -@node Top -@top BFD Internals -@raisesections -@cindex bfd internals - -This document describes some BFD internal information which may be -helpful when working on BFD. It is very incomplete. - -This document is not updated regularly, and may be out of date. - -The initial version of this document was written by Ian Lance Taylor -@email{ian@@cygnus.com}. - -@menu -* BFD overview:: BFD overview -* BFD guidelines:: BFD programming guidelines -* BFD target vector:: BFD target vector -* BFD generated files:: BFD generated files -* BFD multiple compilations:: Files compiled multiple times in BFD -* BFD relocation handling:: BFD relocation handling -* BFD ELF support:: BFD ELF support -* BFD glossary:: Glossary -* Index:: Index -@end menu - -@node BFD overview -@section BFD overview - -BFD is a library which provides a single interface to read and write -object files, executables, archive files, and core files in any format. - -@menu -* BFD library interfaces:: BFD library interfaces -* BFD library users:: BFD library users -* BFD view:: The BFD view of a file -* BFD blindness:: BFD loses information -@end menu - -@node BFD library interfaces -@subsection BFD library interfaces - -One way to look at the BFD library is to divide it into four parts by -type of interface. - -The first interface is the set of generic functions which programs using -the BFD library will call. These generic function normally translate -directly or indirectly into calls to routines which are specific to a -particular object file format. Many of these generic functions are -actually defined as macros in @file{bfd.h}. These functions comprise -the official BFD interface. - -The second interface is the set of functions which appear in the target -vectors. This is the bulk of the code in BFD. A target vector is a set -of function pointers specific to a particular object file format. The -target vector is used to implement the generic BFD functions. These -functions are always called through the target vector, and are never -called directly. The target vector is described in detail in @ref{BFD -target vector}. The set of functions which appear in a particular -target vector is often referred to as a BFD backend. - -The third interface is a set of oddball functions which are typically -specific to a particular object file format, are not generic functions, -and are called from outside of the BFD library. These are used as hooks -by the linker and the assembler when a particular object file format -requires some action which the BFD generic interface does not provide. -These functions are typically declared in @file{bfd.h}, but in many -cases they are only provided when BFD is configured with support for a -particular object file format. These functions live in a grey area, and -are not really part of the official BFD interface. - -The fourth interface is the set of BFD support functions which are -called by the other BFD functions. These manage issues like memory -allocation, error handling, file access, hash tables, swapping, and the -like. These functions are never called from outside of the BFD library. - -@node BFD library users -@subsection BFD library users - -Another way to look at the BFD library is to divide it into three parts -by the manner in which it is used. - -The first use is to read an object file. The object file readers are -programs like @samp{gdb}, @samp{nm}, @samp{objdump}, and @samp{objcopy}. -These programs use BFD to view an object file in a generic form. The -official BFD interface is normally fully adequate for these programs. - -The second use is to write an object file. The object file writers are -programs like @samp{gas} and @samp{objcopy}. These programs use BFD to -create an object file. The official BFD interface is normally adequate -for these programs, but for some object file formats the assembler needs -some additional hooks in order to set particular flags or other -information. The official BFD interface includes functions to copy -private information from one object file to another, and these functions -are used by @samp{objcopy} to avoid information loss. - -The third use is to link object files. There is only one object file -linker, @samp{ld}. Originally, @samp{ld} was an object file reader and -an object file writer, and it did the link operation using the generic -BFD structures. However, this turned out to be too slow and too memory -intensive. - -The official BFD linker functions were written to permit specific BFD -backends to perform the link without translating through the generic -structures, in the normal case where all the input files and output file -have the same object file format. Not all of the backends currently -implement the new interface, and there are default linking functions -within BFD which use the generic structures and which work with all -backends. - -For several object file formats the linker needs additional hooks which -are not provided by the official BFD interface, particularly for dynamic -linking support. These functions are typically called from the linker -emulation template. - -@node BFD view -@subsection The BFD view of a file - -BFD uses generic structures to manage information. It translates data -into the generic form when reading files, and out of the generic form -when writing files. - -BFD describes a file as a pointer to the @samp{bfd} type. A @samp{bfd} -is composed of the following elements. The BFD information can be -displayed using the @samp{objdump} program with various options. - -@table @asis -@item general information -The object file format, a few general flags, the start address. -@item architecture -The architecture, including both a general processor type (m68k, MIPS -etc.) and a specific machine number (m68000, R4000, etc.). -@item sections -A list of sections. -@item symbols -A symbol table. -@end table - -BFD represents a section as a pointer to the @samp{asection} type. Each -section has a name and a size. Most sections also have an associated -block of data, known as the section contents. Sections also have -associated flags, a virtual memory address, a load memory address, a -required alignment, a list of relocations, and other miscellaneous -information. - -BFD represents a relocation as a pointer to the @samp{arelent} type. A -relocation describes an action which the linker must take to modify the -section contents. Relocations have a symbol, an address, an addend, and -a pointer to a howto structure which describes how to perform the -relocation. For more information, see @ref{BFD relocation handling}. - -BFD represents a symbol as a pointer to the @samp{asymbol} type. A -symbol has a name, a pointer to a section, an offset within that -section, and some flags. - -Archive files do not have any sections or symbols. Instead, BFD -represents an archive file as a file which contains a list of -@samp{bfd}s. BFD also provides access to the archive symbol map, as a -list of symbol names. BFD provides a function to return the @samp{bfd} -within the archive which corresponds to a particular entry in the -archive symbol map. - -@node BFD blindness -@subsection BFD loses information - -Most object file formats have information which BFD can not represent in -its generic form, at least as currently defined. - -There is often explicit information which BFD can not represent. For -example, the COFF version stamp, or the ELF program segments. BFD -provides special hooks to handle this information when copying, -printing, or linking an object file. The BFD support for a particular -object file format will normally store this information in private data -and handle it using the special hooks. - -In some cases there is also implicit information which BFD can not -represent. For example, the MIPS processor distinguishes small and -large symbols, and requires that all small symbols be within 32K of the -GP register. This means that the MIPS assembler must be able to mark -variables as either small or large, and the MIPS linker must know to put -small symbols within range of the GP register. Since BFD can not -represent this information, this means that the assembler and linker -must have information that is specific to a particular object file -format which is outside of the BFD library. - -This loss of information indicates areas where the BFD paradigm breaks -down. It is not actually possible to represent the myriad differences -among object file formats using a single generic interface, at least not -in the manner which BFD does it today. - -Nevertheless, the BFD library does greatly simplify the task of dealing -with object files, and particular problems caused by information loss -can normally be solved using some sort of relatively constrained hook -into the library. - - - -@node BFD guidelines -@section BFD programming guidelines -@cindex bfd programming guidelines -@cindex programming guidelines for bfd -@cindex guidelines, bfd programming - -There is a lot of poorly written and confusing code in BFD. New BFD -code should be written to a higher standard. Merely because some BFD -code is written in a particular manner does not mean that you should -emulate it. - -Here are some general BFD programming guidelines: - -@itemize @bullet -@item -Follow the GNU coding standards. - -@item -Avoid global variables. We ideally want BFD to be fully reentrant, so -that it can be used in multiple threads. All uses of global or static -variables interfere with that. Initialized constant variables are OK, -and they should be explicitly marked with @samp{const}. Instead of global -variables, use data attached to a BFD or to a linker hash table. - -@item -All externally visible functions should have names which start with -@samp{bfd_}. All such functions should be declared in some header file, -typically @file{bfd.h}. See, for example, the various declarations near -the end of @file{bfd-in.h}, which mostly declare functions required by -specific linker emulations. - -@item -All functions which need to be visible from one file to another within -BFD, but should not be visible outside of BFD, should start with -@samp{_bfd_}. Although external names beginning with @samp{_} are -prohibited by the ANSI standard, in practice this usage will always -work, and it is required by the GNU coding standards. - -@item -Always remember that people can compile using @samp{--enable-targets} to -build several, or all, targets at once. It must be possible to link -together the files for all targets. - -@item -BFD code should compile with few or no warnings using @samp{gcc -Wall}. -Some warnings are OK, like the absence of certain function declarations -which may or may not be declared in system header files. Warnings about -ambiguous expressions and the like should always be fixed. -@end itemize - -@node BFD target vector -@section BFD target vector -@cindex bfd target vector -@cindex target vector in bfd - -BFD supports multiple object file formats by using the @dfn{target -vector}. This is simply a set of function pointers which implement -behaviour that is specific to a particular object file format. - -In this section I list all of the entries in the target vector and -describe what they do. - -@menu -* BFD target vector miscellaneous:: Miscellaneous constants -* BFD target vector swap:: Swapping functions -* BFD target vector format:: Format type dependent functions -* BFD_JUMP_TABLE macros:: BFD_JUMP_TABLE macros -* BFD target vector generic:: Generic functions -* BFD target vector copy:: Copy functions -* BFD target vector core:: Core file support functions -* BFD target vector archive:: Archive functions -* BFD target vector symbols:: Symbol table functions -* BFD target vector relocs:: Relocation support -* BFD target vector write:: Output functions -* BFD target vector link:: Linker functions -* BFD target vector dynamic:: Dynamic linking information functions -@end menu - -@node BFD target vector miscellaneous -@subsection Miscellaneous constants - -The target vector starts with a set of constants. - -@table @samp -@item name -The name of the target vector. This is an arbitrary string. This is -how the target vector is named in command line options for tools which -use BFD, such as the @samp{--oformat} linker option. - -@item flavour -A general description of the type of target. The following flavours are -currently defined: - -@table @samp -@item bfd_target_unknown_flavour -Undefined or unknown. -@item bfd_target_aout_flavour -a.out. -@item bfd_target_coff_flavour -COFF. -@item bfd_target_ecoff_flavour -ECOFF. -@item bfd_target_elf_flavour -ELF. -@item bfd_target_ieee_flavour -IEEE-695. -@item bfd_target_nlm_flavour -NLM. -@item bfd_target_oasys_flavour -OASYS. -@item bfd_target_tekhex_flavour -Tektronix hex format. -@item bfd_target_srec_flavour -Motorola S-record format. -@item bfd_target_ihex_flavour -Intel hex format. -@item bfd_target_som_flavour -SOM (used on HP/UX). -@item bfd_target_verilog_flavour -Verilog memory hex dump format. -@item bfd_target_os9k_flavour -os9000. -@item bfd_target_versados_flavour -VERSAdos. -@item bfd_target_msdos_flavour -MS-DOS. -@item bfd_target_evax_flavour -openVMS. -@item bfd_target_mmo_flavour -Donald Knuth's MMIXware object format. -@end table - -@item byteorder -The byte order of data in the object file. One of -@samp{BFD_ENDIAN_BIG}, @samp{BFD_ENDIAN_LITTLE}, or -@samp{BFD_ENDIAN_UNKNOWN}. The latter would be used for a format such -as S-records which do not record the architecture of the data. - -@item header_byteorder -The byte order of header information in the object file. Normally the -same as the @samp{byteorder} field, but there are certain cases where it -may be different. - -@item object_flags -Flags which may appear in the @samp{flags} field of a BFD with this -format. - -@item section_flags -Flags which may appear in the @samp{flags} field of a section within a -BFD with this format. - -@item symbol_leading_char -A character which the C compiler normally puts before a symbol. For -example, an a.out compiler will typically generate the symbol -@samp{_foo} for a function named @samp{foo} in the C source, in which -case this field would be @samp{_}. If there is no such character, this -field will be @samp{0}. - -@item ar_pad_char -The padding character to use at the end of an archive name. Normally -@samp{/}. - -@item ar_max_namelen -The maximum length of a short name in an archive. Normally @samp{14}. - -@item backend_data -A pointer to constant backend data. This is used by backends to store -whatever additional information they need to distinguish similar target -vectors which use the same sets of functions. -@end table - -@node BFD target vector swap -@subsection Swapping functions - -Every target vector has function pointers used for swapping information -in and out of the target representation. There are two sets of -functions: one for data information, and one for header information. -Each set has three sizes: 64-bit, 32-bit, and 16-bit. Each size has -three actual functions: put, get unsigned, and get signed. - -These 18 functions are used to convert data between the host and target -representations. - -@node BFD target vector format -@subsection Format type dependent functions - -Every target vector has three arrays of function pointers which are -indexed by the BFD format type. The BFD format types are as follows: - -@table @samp -@item bfd_unknown -Unknown format. Not used for anything useful. -@item bfd_object -Object file. -@item bfd_archive -Archive file. -@item bfd_core -Core file. -@end table - -The three arrays of function pointers are as follows: - -@table @samp -@item bfd_check_format -Check whether the BFD is of a particular format (object file, archive -file, or core file) corresponding to this target vector. This is called -by the @samp{bfd_check_format} function when examining an existing BFD. -If the BFD matches the desired format, this function will initialize any -format specific information such as the @samp{tdata} field of the BFD. -This function must be called before any other BFD target vector function -on a file opened for reading. - -@item bfd_set_format -Set the format of a BFD which was created for output. This is called by -the @samp{bfd_set_format} function after creating the BFD with a -function such as @samp{bfd_openw}. This function will initialize format -specific information required to write out an object file or whatever of -the given format. This function must be called before any other BFD -target vector function on a file opened for writing. - -@item bfd_write_contents -Write out the contents of the BFD in the given format. This is called -by @samp{bfd_close} function for a BFD opened for writing. This really -should not be an array selected by format type, as the -@samp{bfd_set_format} function provides all the required information. -In fact, BFD will fail if a different format is used when calling -through the @samp{bfd_set_format} and the @samp{bfd_write_contents} -arrays; fortunately, since @samp{bfd_close} gets it right, this is a -difficult error to make. -@end table - -@node BFD_JUMP_TABLE macros -@subsection @samp{BFD_JUMP_TABLE} macros -@cindex @samp{BFD_JUMP_TABLE} - -Most target vectors are defined using @samp{BFD_JUMP_TABLE} macros. -These macros take a single argument, which is a prefix applied to a set -of functions. The macros are then used to initialize the fields in the -target vector. - -For example, the @samp{BFD_JUMP_TABLE_RELOCS} macro defines three -functions: @samp{_get_reloc_upper_bound}, @samp{_canonicalize_reloc}, -and @samp{_bfd_reloc_type_lookup}. A reference like -@samp{BFD_JUMP_TABLE_RELOCS (foo)} will expand into three functions -prefixed with @samp{foo}: @samp{foo_get_reloc_upper_bound}, etc. The -@samp{BFD_JUMP_TABLE_RELOCS} macro will be placed such that those three -functions initialize the appropriate fields in the BFD target vector. - -This is done because it turns out that many different target vectors can -share certain classes of functions. For example, archives are similar -on most platforms, so most target vectors can use the same archive -functions. Those target vectors all use @samp{BFD_JUMP_TABLE_ARCHIVE} -with the same argument, calling a set of functions which is defined in -@file{archive.c}. - -Each of the @samp{BFD_JUMP_TABLE} macros is mentioned below along with -the description of the function pointers which it defines. The function -pointers will be described using the name without the prefix which the -@samp{BFD_JUMP_TABLE} macro defines. This name is normally the same as -the name of the field in the target vector structure. Any differences -will be noted. - -@node BFD target vector generic -@subsection Generic functions -@cindex @samp{BFD_JUMP_TABLE_GENERIC} - -The @samp{BFD_JUMP_TABLE_GENERIC} macro is used for some catch all -functions which don't easily fit into other categories. - -@table @samp -@item _close_and_cleanup -Free any target specific information associated with the BFD. This is -called when any BFD is closed (the @samp{bfd_write_contents} function -mentioned earlier is only called for a BFD opened for writing). Most -targets use @samp{bfd_alloc} to allocate all target specific -information, and therefore don't have to do anything in this function. -This function pointer is typically set to -@samp{_bfd_generic_close_and_cleanup}, which simply returns true. - -@item _bfd_free_cached_info -Free any cached information associated with the BFD which can be -recreated later if necessary. This is used to reduce the memory -consumption required by programs using BFD. This is normally called via -the @samp{bfd_free_cached_info} macro. It is used by the default -archive routines when computing the archive map. Most targets do not -do anything special for this entry point, and just set it to -@samp{_bfd_generic_free_cached_info}, which simply returns true. - -@item _new_section_hook -This is called from @samp{bfd_make_section_anyway} whenever a new -section is created. Most targets use it to initialize section specific -information. This function is called whether or not the section -corresponds to an actual section in an actual BFD. - -@item _get_section_contents -Get the contents of a section. This is called from -@samp{bfd_get_section_contents}. Most targets set this to -@samp{_bfd_generic_get_section_contents}, which does a @samp{bfd_seek} -based on the section's @samp{filepos} field and a @samp{bfd_bread}. The -corresponding field in the target vector is named -@samp{_bfd_get_section_contents}. - -@item _get_section_contents_in_window -Set a @samp{bfd_window} to hold the contents of a section. This is -called from @samp{bfd_get_section_contents_in_window}. The -@samp{bfd_window} idea never really caught on, and I don't think this is -ever called. Pretty much all targets implement this as -@samp{bfd_generic_get_section_contents_in_window}, which uses -@samp{bfd_get_section_contents} to do the right thing. The -corresponding field in the target vector is named -@samp{_bfd_get_section_contents_in_window}. -@end table - -@node BFD target vector copy -@subsection Copy functions -@cindex @samp{BFD_JUMP_TABLE_COPY} - -The @samp{BFD_JUMP_TABLE_COPY} macro is used for functions which are -called when copying BFDs, and for a couple of functions which deal with -internal BFD information. - -@table @samp -@item _bfd_copy_private_bfd_data -This is called when copying a BFD, via @samp{bfd_copy_private_bfd_data}. -If the input and output BFDs have the same format, this will copy any -private information over. This is called after all the section contents -have been written to the output file. Only a few targets do anything in -this function. - -@item _bfd_merge_private_bfd_data -This is called when linking, via @samp{bfd_merge_private_bfd_data}. It -gives the backend linker code a chance to set any special flags in the -output file based on the contents of the input file. Only a few targets -do anything in this function. - -@item _bfd_copy_private_section_data -This is similar to @samp{_bfd_copy_private_bfd_data}, but it is called -for each section, via @samp{bfd_copy_private_section_data}. This -function is called before any section contents have been written. Only -a few targets do anything in this function. - -@item _bfd_copy_private_symbol_data -This is called via @samp{bfd_copy_private_symbol_data}, but I don't -think anything actually calls it. If it were defined, it could be used -to copy private symbol data from one BFD to another. However, most BFDs -store extra symbol information by allocating space which is larger than -the @samp{asymbol} structure and storing private information in the -extra space. Since @samp{objcopy} and other programs copy symbol -information by copying pointers to @samp{asymbol} structures, the -private symbol information is automatically copied as well. Most -targets do not do anything in this function. - -@item _bfd_set_private_flags -This is called via @samp{bfd_set_private_flags}. It is basically a hook -for the assembler to set magic information. For example, the PowerPC -ELF assembler uses it to set flags which appear in the e_flags field of -the ELF header. Most targets do not do anything in this function. - -@item _bfd_print_private_bfd_data -This is called by @samp{objdump} when the @samp{-p} option is used. It -is called via @samp{bfd_print_private_data}. It prints any interesting -information about the BFD which can not be otherwise represented by BFD -and thus can not be printed by @samp{objdump}. Most targets do not do -anything in this function. -@end table - -@node BFD target vector core -@subsection Core file support functions -@cindex @samp{BFD_JUMP_TABLE_CORE} - -The @samp{BFD_JUMP_TABLE_CORE} macro is used for functions which deal -with core files. Obviously, these functions only do something -interesting for targets which have core file support. - -@table @samp -@item _core_file_failing_command -Given a core file, this returns the command which was run to produce the -core file. - -@item _core_file_failing_signal -Given a core file, this returns the signal number which produced the -core file. - -@item _core_file_matches_executable_p -Given a core file and a BFD for an executable, this returns whether the -core file was generated by the executable. -@end table - -@node BFD target vector archive -@subsection Archive functions -@cindex @samp{BFD_JUMP_TABLE_ARCHIVE} - -The @samp{BFD_JUMP_TABLE_ARCHIVE} macro is used for functions which deal -with archive files. Most targets use COFF style archive files -(including ELF targets), and these use @samp{_bfd_archive_coff} as the -argument to @samp{BFD_JUMP_TABLE_ARCHIVE}. Some targets use BSD/a.out -style archives, and these use @samp{_bfd_archive_bsd}. (The main -difference between BSD and COFF archives is the format of the archive -symbol table). Targets with no archive support use -@samp{_bfd_noarchive}. Finally, a few targets have unusual archive -handling. - -@table @samp -@item _slurp_armap -Read in the archive symbol table, storing it in private BFD data. This -is normally called from the archive @samp{check_format} routine. The -corresponding field in the target vector is named -@samp{_bfd_slurp_armap}. - -@item _slurp_extended_name_table -Read in the extended name table from the archive, if there is one, -storing it in private BFD data. This is normally called from the -archive @samp{check_format} routine. The corresponding field in the -target vector is named @samp{_bfd_slurp_extended_name_table}. - -@item construct_extended_name_table -Build and return an extended name table if one is needed to write out -the archive. This also adjusts the archive headers to refer to the -extended name table appropriately. This is normally called from the -archive @samp{write_contents} routine. The corresponding field in the -target vector is named @samp{_bfd_construct_extended_name_table}. - -@item _truncate_arname -This copies a file name into an archive header, truncating it as -required. It is normally called from the archive @samp{write_contents} -routine. This function is more interesting in targets which do not -support extended name tables, but I think the GNU @samp{ar} program -always uses extended name tables anyhow. The corresponding field in the -target vector is named @samp{_bfd_truncate_arname}. - -@item _write_armap -Write out the archive symbol table using calls to @samp{bfd_bwrite}. -This is normally called from the archive @samp{write_contents} routine. -The corresponding field in the target vector is named @samp{write_armap} -(no leading underscore). - -@item _read_ar_hdr -Read and parse an archive header. This handles expanding the archive -header name into the real file name using the extended name table. This -is called by routines which read the archive symbol table or the archive -itself. The corresponding field in the target vector is named -@samp{_bfd_read_ar_hdr_fn}. - -@item _openr_next_archived_file -Given an archive and a BFD representing a file stored within the -archive, return a BFD for the next file in the archive. This is called -via @samp{bfd_openr_next_archived_file}. The corresponding field in the -target vector is named @samp{openr_next_archived_file} (no leading -underscore). - -@item _get_elt_at_index -Given an archive and an index, return a BFD for the file in the archive -corresponding to that entry in the archive symbol table. This is called -via @samp{bfd_get_elt_at_index}. The corresponding field in the target -vector is named @samp{_bfd_get_elt_at_index}. - -@item _generic_stat_arch_elt -Do a stat on an element of an archive, returning information read from -the archive header (modification time, uid, gid, file mode, size). This -is called via @samp{bfd_stat_arch_elt}. The corresponding field in the -target vector is named @samp{_bfd_stat_arch_elt}. - -@item _update_armap_timestamp -After the entire contents of an archive have been written out, update -the timestamp of the archive symbol table to be newer than that of the -file. This is required for a.out style archives. This is normally -called by the archive @samp{write_contents} routine. The corresponding -field in the target vector is named @samp{_bfd_update_armap_timestamp}. -@end table - -@node BFD target vector symbols -@subsection Symbol table functions -@cindex @samp{BFD_JUMP_TABLE_SYMBOLS} - -The @samp{BFD_JUMP_TABLE_SYMBOLS} macro is used for functions which deal -with symbols. - -@table @samp -@item _get_symtab_upper_bound -Return a sensible upper bound on the amount of memory which will be -required to read the symbol table. In practice most targets return the -amount of memory required to hold @samp{asymbol} pointers for all the -symbols plus a trailing @samp{NULL} entry, and store the actual symbol -information in BFD private data. This is called via -@samp{bfd_get_symtab_upper_bound}. The corresponding field in the -target vector is named @samp{_bfd_get_symtab_upper_bound}. - -@item _canonicalize_symtab -Read in the symbol table. This is called via -@samp{bfd_canonicalize_symtab}. The corresponding field in the target -vector is named @samp{_bfd_canonicalize_symtab}. - -@item _make_empty_symbol -Create an empty symbol for the BFD. This is needed because most targets -store extra information with each symbol by allocating a structure -larger than an @samp{asymbol} and storing the extra information at the -end. This function will allocate the right amount of memory, and return -what looks like a pointer to an empty @samp{asymbol}. This is called -via @samp{bfd_make_empty_symbol}. The corresponding field in the target -vector is named @samp{_bfd_make_empty_symbol}. - -@item _print_symbol -Print information about the symbol. This is called via -@samp{bfd_print_symbol}. One of the arguments indicates what sort of -information should be printed: - -@table @samp -@item bfd_print_symbol_name -Just print the symbol name. -@item bfd_print_symbol_more -Print the symbol name and some interesting flags. I don't think -anything actually uses this. -@item bfd_print_symbol_all -Print all information about the symbol. This is used by @samp{objdump} -when run with the @samp{-t} option. -@end table -The corresponding field in the target vector is named -@samp{_bfd_print_symbol}. - -@item _get_symbol_info -Return a standard set of information about the symbol. This is called -via @samp{bfd_symbol_info}. The corresponding field in the target -vector is named @samp{_bfd_get_symbol_info}. - -@item _bfd_is_local_label_name -Return whether the given string would normally represent the name of a -local label. This is called via @samp{bfd_is_local_label} and -@samp{bfd_is_local_label_name}. Local labels are normally discarded by -the assembler. In the linker, this defines the difference between the -@samp{-x} and @samp{-X} options. - -@item _get_lineno -Return line number information for a symbol. This is only meaningful -for a COFF target. This is called when writing out COFF line numbers. - -@item _find_nearest_line -Given an address within a section, use the debugging information to find -the matching file name, function name, and line number, if any. This is -called via @samp{bfd_find_nearest_line}. The corresponding field in the -target vector is named @samp{_bfd_find_nearest_line}. - -@item _bfd_make_debug_symbol -Make a debugging symbol. This is only meaningful for a COFF target, -where it simply returns a symbol which will be placed in the -@samp{N_DEBUG} section when it is written out. This is called via -@samp{bfd_make_debug_symbol}. - -@item _read_minisymbols -Minisymbols are used to reduce the memory requirements of programs like -@samp{nm}. A minisymbol is a cookie pointing to internal symbol -information which the caller can use to extract complete symbol -information. This permits BFD to not convert all the symbols into -generic form, but to instead convert them one at a time. This is called -via @samp{bfd_read_minisymbols}. Most targets do not implement this, -and just use generic support which is based on using standard -@samp{asymbol} structures. - -@item _minisymbol_to_symbol -Convert a minisymbol to a standard @samp{asymbol}. This is called via -@samp{bfd_minisymbol_to_symbol}. -@end table - -@node BFD target vector relocs -@subsection Relocation support -@cindex @samp{BFD_JUMP_TABLE_RELOCS} - -The @samp{BFD_JUMP_TABLE_RELOCS} macro is used for functions which deal -with relocations. - -@table @samp -@item _get_reloc_upper_bound -Return a sensible upper bound on the amount of memory which will be -required to read the relocations for a section. In practice most -targets return the amount of memory required to hold @samp{arelent} -pointers for all the relocations plus a trailing @samp{NULL} entry, and -store the actual relocation information in BFD private data. This is -called via @samp{bfd_get_reloc_upper_bound}. - -@item _canonicalize_reloc -Return the relocation information for a section. This is called via -@samp{bfd_canonicalize_reloc}. The corresponding field in the target -vector is named @samp{_bfd_canonicalize_reloc}. - -@item _bfd_reloc_type_lookup -Given a relocation code, return the corresponding howto structure -(@pxref{BFD relocation codes}). This is called via -@samp{bfd_reloc_type_lookup}. The corresponding field in the target -vector is named @samp{reloc_type_lookup}. -@end table - -@node BFD target vector write -@subsection Output functions -@cindex @samp{BFD_JUMP_TABLE_WRITE} - -The @samp{BFD_JUMP_TABLE_WRITE} macro is used for functions which deal -with writing out a BFD. - -@table @samp -@item _set_arch_mach -Set the architecture and machine number for a BFD. This is called via -@samp{bfd_set_arch_mach}. Most targets implement this by calling -@samp{bfd_default_set_arch_mach}. The corresponding field in the target -vector is named @samp{_bfd_set_arch_mach}. - -@item _set_section_contents -Write out the contents of a section. This is called via -@samp{bfd_set_section_contents}. The corresponding field in the target -vector is named @samp{_bfd_set_section_contents}. -@end table - -@node BFD target vector link -@subsection Linker functions -@cindex @samp{BFD_JUMP_TABLE_LINK} - -The @samp{BFD_JUMP_TABLE_LINK} macro is used for functions called by the -linker. - -@table @samp -@item _sizeof_headers -Return the size of the header information required for a BFD. This is -used to implement the @samp{SIZEOF_HEADERS} linker script function. It -is normally used to align the first section at an efficient position on -the page. This is called via @samp{bfd_sizeof_headers}. The -corresponding field in the target vector is named -@samp{_bfd_sizeof_headers}. - -@item _bfd_get_relocated_section_contents -Read the contents of a section and apply the relocation information. -This handles both a final link and a relocatable link; in the latter -case, it adjust the relocation information as well. This is called via -@samp{bfd_get_relocated_section_contents}. Most targets implement it by -calling @samp{bfd_generic_get_relocated_section_contents}. - -@item _bfd_relax_section -Try to use relaxation to shrink the size of a section. This is called -by the linker when the @samp{-relax} option is used. This is called via -@samp{bfd_relax_section}. Most targets do not support any sort of -relaxation. - -@item _bfd_link_hash_table_create -Create the symbol hash table to use for the linker. This linker hook -permits the backend to control the size and information of the elements -in the linker symbol hash table. This is called via -@samp{bfd_link_hash_table_create}. - -@item _bfd_link_add_symbols -Given an object file or an archive, add all symbols into the linker -symbol hash table. Use callbacks to the linker to include archive -elements in the link. This is called via @samp{bfd_link_add_symbols}. - -@item _bfd_final_link -Finish the linking process. The linker calls this hook after all of the -input files have been read, when it is ready to finish the link and -generate the output file. This is called via @samp{bfd_final_link}. - -@item _bfd_link_split_section -I don't know what this is for. Nothing seems to call it. The only -non-trivial definition is in @file{som.c}. -@end table - -@node BFD target vector dynamic -@subsection Dynamic linking information functions -@cindex @samp{BFD_JUMP_TABLE_DYNAMIC} - -The @samp{BFD_JUMP_TABLE_DYNAMIC} macro is used for functions which read -dynamic linking information. - -@table @samp -@item _get_dynamic_symtab_upper_bound -Return a sensible upper bound on the amount of memory which will be -required to read the dynamic symbol table. In practice most targets -return the amount of memory required to hold @samp{asymbol} pointers for -all the symbols plus a trailing @samp{NULL} entry, and store the actual -symbol information in BFD private data. This is called via -@samp{bfd_get_dynamic_symtab_upper_bound}. The corresponding field in -the target vector is named @samp{_bfd_get_dynamic_symtab_upper_bound}. - -@item _canonicalize_dynamic_symtab -Read the dynamic symbol table. This is called via -@samp{bfd_canonicalize_dynamic_symtab}. The corresponding field in the -target vector is named @samp{_bfd_canonicalize_dynamic_symtab}. - -@item _get_dynamic_reloc_upper_bound -Return a sensible upper bound on the amount of memory which will be -required to read the dynamic relocations. In practice most targets -return the amount of memory required to hold @samp{arelent} pointers for -all the relocations plus a trailing @samp{NULL} entry, and store the -actual relocation information in BFD private data. This is called via -@samp{bfd_get_dynamic_reloc_upper_bound}. The corresponding field in -the target vector is named @samp{_bfd_get_dynamic_reloc_upper_bound}. - -@item _canonicalize_dynamic_reloc -Read the dynamic relocations. This is called via -@samp{bfd_canonicalize_dynamic_reloc}. The corresponding field in the -target vector is named @samp{_bfd_canonicalize_dynamic_reloc}. -@end table - -@node BFD generated files -@section BFD generated files -@cindex generated files in bfd -@cindex bfd generated files - -BFD contains several automatically generated files. This section -describes them. Some files are created at configure time, when you -configure BFD. Some files are created at make time, when you build -BFD. Some files are automatically rebuilt at make time, but only if -you configure with the @samp{--enable-maintainer-mode} option. Some -files live in the object directory---the directory from which you run -configure---and some live in the source directory. All files that live -in the source directory are checked into the CVS repository. - -@table @file -@item bfd.h -@cindex @file{bfd.h} -@cindex @file{bfd-in3.h} -Lives in the object directory. Created at make time from -@file{bfd-in2.h} via @file{bfd-in3.h}. @file{bfd-in3.h} is created at -configure time from @file{bfd-in2.h}. There are automatic dependencies -to rebuild @file{bfd-in3.h} and hence @file{bfd.h} if @file{bfd-in2.h} -changes, so you can normally ignore @file{bfd-in3.h}, and just think -about @file{bfd-in2.h} and @file{bfd.h}. - -@file{bfd.h} is built by replacing a few strings in @file{bfd-in2.h}. -To see them, search for @samp{@@} in @file{bfd-in2.h}. They mainly -control whether BFD is built for a 32 bit target or a 64 bit target. - -@item bfd-in2.h -@cindex @file{bfd-in2.h} -Lives in the source directory. Created from @file{bfd-in.h} and several -other BFD source files. If you configure with the -@samp{--enable-maintainer-mode} option, @file{bfd-in2.h} is rebuilt -automatically when a source file changes. - -@item elf32-target.h -@itemx elf64-target.h -@cindex @file{elf32-target.h} -@cindex @file{elf64-target.h} -Live in the object directory. Created from @file{elfxx-target.h}. -These files are versions of @file{elfxx-target.h} customized for either -a 32 bit ELF target or a 64 bit ELF target. - -@item libbfd.h -@cindex @file{libbfd.h} -Lives in the source directory. Created from @file{libbfd-in.h} and -several other BFD source files. If you configure with the -@samp{--enable-maintainer-mode} option, @file{libbfd.h} is rebuilt -automatically when a source file changes. - -@item libcoff.h -@cindex @file{libcoff.h} -Lives in the source directory. Created from @file{libcoff-in.h} and -@file{coffcode.h}. If you configure with the -@samp{--enable-maintainer-mode} option, @file{libcoff.h} is rebuilt -automatically when a source file changes. - -@item targmatch.h -@cindex @file{targmatch.h} -Lives in the object directory. Created at make time from -@file{config.bfd}. This file is used to map configuration triplets into -BFD target vector variable names at run time. -@end table - -@node BFD multiple compilations -@section Files compiled multiple times in BFD -Several files in BFD are compiled multiple times. By this I mean that -there are header files which contain function definitions. These header -files are included by other files, and thus the functions are compiled -once per file which includes them. - -Preprocessor macros are used to control the compilation, so that each -time the files are compiled the resulting functions are slightly -different. Naturally, if they weren't different, there would be no -reason to compile them multiple times. - -This is a not a particularly good programming technique, and future BFD -work should avoid it. - -@itemize @bullet -@item -Since this technique is rarely used, even experienced C programmers find -it confusing. - -@item -It is difficult to debug programs which use BFD, since there is no way -to describe which version of a particular function you are looking at. - -@item -Programs which use BFD wind up incorporating two or more slightly -different versions of the same function, which wastes space in the -executable. - -@item -This technique is never required nor is it especially efficient. It is -always possible to use statically initialized structures holding -function pointers and magic constants instead. -@end itemize - -The following is a list of the files which are compiled multiple times. - -@table @file -@item aout-target.h -@cindex @file{aout-target.h} -Describes a few functions and the target vector for a.out targets. This -is used by individual a.out targets with different definitions of -@samp{N_TXTADDR} and similar a.out macros. - -@item aoutf1.h -@cindex @file{aoutf1.h} -Implements standard SunOS a.out files. In principle it supports 64 bit -a.out targets based on the preprocessor macro @samp{ARCH_SIZE}, but -since all known a.out targets are 32 bits, this code may or may not -work. This file is only included by a few other files, and it is -difficult to justify its existence. - -@item aoutx.h -@cindex @file{aoutx.h} -Implements basic a.out support routines. This file can be compiled for -either 32 or 64 bit support. Since all known a.out targets are 32 bits, -the 64 bit support may or may not work. I believe the original -intention was that this file would only be included by @samp{aout32.c} -and @samp{aout64.c}, and that other a.out targets would simply refer to -the functions it defined. Unfortunately, some other a.out targets -started including it directly, leading to a somewhat confused state of -affairs. - -@item coffcode.h -@cindex @file{coffcode.h} -Implements basic COFF support routines. This file is included by every -COFF target. It implements code which handles COFF magic numbers as -well as various hook functions called by the generic COFF functions in -@file{coffgen.c}. This file is controlled by a number of different -macros, and more are added regularly. - -@item coffswap.h -@cindex @file{coffswap.h} -Implements COFF swapping routines. This file is included by -@file{coffcode.h}, and thus by every COFF target. It implements the -routines which swap COFF structures between internal and external -format. The main control for this file is the external structure -definitions in the files in the @file{include/coff} directory. A COFF -target file will include one of those files before including -@file{coffcode.h} and thus @file{coffswap.h}. There are a few other -macros which affect @file{coffswap.h} as well, mostly describing whether -certain fields are present in the external structures. - -@item ecoffswap.h -@cindex @file{ecoffswap.h} -Implements ECOFF swapping routines. This is like @file{coffswap.h}, but -for ECOFF. It is included by the ECOFF target files (of which there are -only two). The control is the preprocessor macro @samp{ECOFF_32} or -@samp{ECOFF_64}. - -@item elfcode.h -@cindex @file{elfcode.h} -Implements ELF functions that use external structure definitions. This -file is included by two other files: @file{elf32.c} and @file{elf64.c}. -It is controlled by the @samp{ARCH_SIZE} macro which is defined to be -@samp{32} or @samp{64} before including it. The @samp{NAME} macro is -used internally to give the functions different names for the two target -sizes. - -@item elfcore.h -@cindex @file{elfcore.h} -Like @file{elfcode.h}, but for functions that are specific to ELF core -files. This is included only by @file{elfcode.h}. - -@item elfxx-target.h -@cindex @file{elfxx-target.h} -This file is the source for the generated files @file{elf32-target.h} -and @file{elf64-target.h}, one of which is included by every ELF target. -It defines the ELF target vector. - -@item freebsd.h -@cindex @file{freebsd.h} -Presumably intended to be included by all FreeBSD targets, but in fact -there is only one such target, @samp{i386-freebsd}. This defines a -function used to set the right magic number for FreeBSD, as well as -various macros, and includes @file{aout-target.h}. - -@item netbsd.h -@cindex @file{netbsd.h} -Like @file{freebsd.h}, except that there are several files which include -it. - -@item nlm-target.h -@cindex @file{nlm-target.h} -Defines the target vector for a standard NLM target. - -@item nlmcode.h -@cindex @file{nlmcode.h} -Like @file{elfcode.h}, but for NLM targets. This is only included by -@file{nlm32.c} and @file{nlm64.c}, both of which define the macro -@samp{ARCH_SIZE} to an appropriate value. There are no 64 bit NLM -targets anyhow, so this is sort of useless. - -@item nlmswap.h -@cindex @file{nlmswap.h} -Like @file{coffswap.h}, but for NLM targets. This is included by each -NLM target, but I think it winds up compiling to the exact same code for -every target, and as such is fairly useless. - -@item peicode.h -@cindex @file{peicode.h} -Provides swapping routines and other hooks for PE targets. -@file{coffcode.h} will include this rather than @file{coffswap.h} for a -PE target. This defines PE specific versions of the COFF swapping -routines, and also defines some macros which control @file{coffcode.h} -itself. -@end table - -@node BFD relocation handling -@section BFD relocation handling -@cindex bfd relocation handling -@cindex relocations in bfd - -The handling of relocations is one of the more confusing aspects of BFD. -Relocation handling has been implemented in various different ways, all -somewhat incompatible, none perfect. - -@menu -* BFD relocation concepts:: BFD relocation concepts -* BFD relocation functions:: BFD relocation functions -* BFD relocation codes:: BFD relocation codes -* BFD relocation future:: BFD relocation future -@end menu - -@node BFD relocation concepts -@subsection BFD relocation concepts - -A relocation is an action which the linker must take when linking. It -describes a change to the contents of a section. The change is normally -based on the final value of one or more symbols. Relocations are -created by the assembler when it creates an object file. - -Most relocations are simple. A typical simple relocation is to set 32 -bits at a given offset in a section to the value of a symbol. This type -of relocation would be generated for code like @code{int *p = &i;} where -@samp{p} and @samp{i} are global variables. A relocation for the symbol -@samp{i} would be generated such that the linker would initialize the -area of memory which holds the value of @samp{p} to the value of the -symbol @samp{i}. - -Slightly more complex relocations may include an addend, which is a -constant to add to the symbol value before using it. In some cases a -relocation will require adding the symbol value to the existing contents -of the section in the object file. In others the relocation will simply -replace the contents of the section with the symbol value. Some -relocations are PC relative, so that the value to be stored in the -section is the difference between the value of a symbol and the final -address of the section contents. - -In general, relocations can be arbitrarily complex. For example, -relocations used in dynamic linking systems often require the linker to -allocate space in a different section and use the offset within that -section as the value to store. In the IEEE object file format, -relocations may involve arbitrary expressions. - -When doing a relocatable link, the linker may or may not have to do -anything with a relocation, depending upon the definition of the -relocation. Simple relocations generally do not require any special -action. - -@node BFD relocation functions -@subsection BFD relocation functions - -In BFD, each section has an array of @samp{arelent} structures. Each -structure has a pointer to a symbol, an address within the section, an -addend, and a pointer to a @samp{reloc_howto_struct} structure. The -howto structure has a bunch of fields describing the reloc, including a -type field. The type field is specific to the object file format -backend; none of the generic code in BFD examines it. - -Originally, the function @samp{bfd_perform_relocation} was supposed to -handle all relocations. In theory, many relocations would be simple -enough to be described by the fields in the howto structure. For those -that weren't, the howto structure included a @samp{special_function} -field to use as an escape. - -While this seems plausible, a look at @samp{bfd_perform_relocation} -shows that it failed. The function has odd special cases. Some of the -fields in the howto structure, such as @samp{pcrel_offset}, were not -adequately documented. - -The linker uses @samp{bfd_perform_relocation} to do all relocations when -the input and output file have different formats (e.g., when generating -S-records). The generic linker code, which is used by all targets which -do not define their own special purpose linker, uses -@samp{bfd_get_relocated_section_contents}, which for most targets turns -into a call to @samp{bfd_generic_get_relocated_section_contents}, which -calls @samp{bfd_perform_relocation}. So @samp{bfd_perform_relocation} -is still widely used, which makes it difficult to change, since it is -difficult to test all possible cases. - -The assembler used @samp{bfd_perform_relocation} for a while. This -turned out to be the wrong thing to do, since -@samp{bfd_perform_relocation} was written to handle relocations on an -existing object file, while the assembler needed to create relocations -in a new object file. The assembler was changed to use the new function -@samp{bfd_install_relocation} instead, and @samp{bfd_install_relocation} -was created as a copy of @samp{bfd_perform_relocation}. - -Unfortunately, the work did not progress any farther, so -@samp{bfd_install_relocation} remains a simple copy of -@samp{bfd_perform_relocation}, with all the odd special cases and -confusing code. This again is difficult to change, because again any -change can affect any assembler target, and so is difficult to test. - -The new linker, when using the same object file format for all input -files and the output file, does not convert relocations into -@samp{arelent} structures, so it can not use -@samp{bfd_perform_relocation} at all. Instead, users of the new linker -are expected to write a @samp{relocate_section} function which will -handle relocations in a target specific fashion. - -There are two helper functions for target specific relocation: -@samp{_bfd_final_link_relocate} and @samp{_bfd_relocate_contents}. -These functions use a howto structure, but they @emph{do not} use the -@samp{special_function} field. Since the functions are normally called -from target specific code, the @samp{special_function} field adds -little; any relocations which require special handling can be handled -without calling those functions. - -So, if you want to add a new target, or add a new relocation to an -existing target, you need to do the following: - -@itemize @bullet -@item -Make sure you clearly understand what the contents of the section should -look like after assembly, after a relocatable link, and after a final -link. Make sure you clearly understand the operations the linker must -perform during a relocatable link and during a final link. - -@item -Write a howto structure for the relocation. The howto structure is -flexible enough to represent any relocation which should be handled by -setting a contiguous bitfield in the destination to the value of a -symbol, possibly with an addend, possibly adding the symbol value to the -value already present in the destination. - -@item -Change the assembler to generate your relocation. The assembler will -call @samp{bfd_install_relocation}, so your howto structure has to be -able to handle that. You may need to set the @samp{special_function} -field to handle assembly correctly. Be careful to ensure that any code -you write to handle the assembler will also work correctly when doing a -relocatable link. For example, see @samp{bfd_elf_generic_reloc}. - -@item -Test the assembler. Consider the cases of relocation against an -undefined symbol, a common symbol, a symbol defined in the object file -in the same section, and a symbol defined in the object file in a -different section. These cases may not all be applicable for your -reloc. - -@item -If your target uses the new linker, which is recommended, add any -required handling to the target specific relocation function. In simple -cases this will just involve a call to @samp{_bfd_final_link_relocate} -or @samp{_bfd_relocate_contents}, depending upon the definition of the -relocation and whether the link is relocatable or not. - -@item -Test the linker. Test the case of a final link. If the relocation can -overflow, use a linker script to force an overflow and make sure the -error is reported correctly. Test a relocatable link, whether the -symbol is defined or undefined in the relocatable output. For both the -final and relocatable link, test the case when the symbol is a common -symbol, when the symbol looked like a common symbol but became a defined -symbol, when the symbol is defined in a different object file, and when -the symbol is defined in the same object file. - -@item -In order for linking to another object file format, such as S-records, -to work correctly, @samp{bfd_perform_relocation} has to do the right -thing for the relocation. You may need to set the -@samp{special_function} field to handle this correctly. Test this by -doing a link in which the output object file format is S-records. - -@item -Using the linker to generate relocatable output in a different object -file format is impossible in the general case, so you generally don't -have to worry about that. The GNU linker makes sure to stop that from -happening when an input file in a different format has relocations. - -Linking input files of different object file formats together is quite -unusual, but if you're really dedicated you may want to consider testing -this case, both when the output object file format is the same as your -format, and when it is different. -@end itemize - -@node BFD relocation codes -@subsection BFD relocation codes - -BFD has another way of describing relocations besides the howto -structures described above: the enum @samp{bfd_reloc_code_real_type}. - -Every known relocation type can be described as a value in this -enumeration. The enumeration contains many target specific relocations, -but where two or more targets have the same relocation, a single code is -used. For example, the single value @samp{BFD_RELOC_32} is used for all -simple 32 bit relocation types. - -The main purpose of this relocation code is to give the assembler some -mechanism to create @samp{arelent} structures. In order for the -assembler to create an @samp{arelent} structure, it has to be able to -obtain a howto structure. The function @samp{bfd_reloc_type_lookup}, -which simply calls the target vector entry point -@samp{reloc_type_lookup}, takes a relocation code and returns a howto -structure. - -The function @samp{bfd_get_reloc_code_name} returns the name of a -relocation code. This is mainly used in error messages. - -Using both howto structures and relocation codes can be somewhat -confusing. There are many processor specific relocation codes. -However, the relocation is only fully defined by the howto structure. -The same relocation code will map to different howto structures in -different object file formats. For example, the addend handling may be -different. - -Most of the relocation codes are not really general. The assembler can -not use them without already understanding what sorts of relocations can -be used for a particular target. It might be possible to replace the -relocation codes with something simpler. - -@node BFD relocation future -@subsection BFD relocation future - -Clearly the current BFD relocation support is in bad shape. A -wholescale rewrite would be very difficult, because it would require -thorough testing of every BFD target. So some sort of incremental -change is required. - -My vague thoughts on this would involve defining a new, clearly defined, -howto structure. Some mechanism would be used to determine which type -of howto structure was being used by a particular format. - -The new howto structure would clearly define the relocation behaviour in -the case of an assembly, a relocatable link, and a final link. At -least one special function would be defined as an escape, and it might -make sense to define more. - -One or more generic functions similar to @samp{bfd_perform_relocation} -would be written to handle the new howto structure. - -This should make it possible to write a generic version of the relocate -section functions used by the new linker. The target specific code -would provide some mechanism (a function pointer or an initial -conversion) to convert target specific relocations into howto -structures. - -Ideally it would be possible to use this generic relocate section -function for the generic linker as well. That is, it would replace the -@samp{bfd_generic_get_relocated_section_contents} function which is -currently normally used. - -For the special case of ELF dynamic linking, more consideration needs to -be given to writing ELF specific but ELF target generic code to handle -special relocation types such as GOT and PLT. - -@node BFD ELF support -@section BFD ELF support -@cindex elf support in bfd -@cindex bfd elf support - -The ELF object file format is defined in two parts: a generic ABI and a -processor specific supplement. The ELF support in BFD is split in a -similar fashion. The processor specific support is largely kept within -a single file. The generic support is provided by several other files. -The processor specific support provides a set of function pointers and -constants used by the generic support. - -@menu -* BFD ELF sections and segments:: ELF sections and segments -* BFD ELF generic support:: BFD ELF generic support -* BFD ELF processor specific support:: BFD ELF processor specific support -* BFD ELF core files:: BFD ELF core files -* BFD ELF future:: BFD ELF future -@end menu - -@node BFD ELF sections and segments -@subsection ELF sections and segments - -The ELF ABI permits a file to have either sections or segments or both. -Relocatable object files conventionally have only sections. -Executables conventionally have both. Core files conventionally have -only program segments. - -ELF sections are similar to sections in other object file formats: they -have a name, a VMA, file contents, flags, and other miscellaneous -information. ELF relocations are stored in sections of a particular -type; BFD automatically converts these sections into internal relocation -information. - -ELF program segments are intended for fast interpretation by a system -loader. They have a type, a VMA, an LMA, file contents, and a couple of -other fields. When an ELF executable is run on a Unix system, the -system loader will examine the program segments to decide how to load -it. The loader will ignore the section information. Loadable program -segments (type @samp{PT_LOAD}) are directly loaded into memory. Other -program segments are interpreted by the loader, and generally provide -dynamic linking information. - -When an ELF file has both program segments and sections, an ELF program -segment may encompass one or more ELF sections, in the sense that the -portion of the file which corresponds to the program segment may include -the portions of the file corresponding to one or more sections. When -there is more than one section in a loadable program segment, the -relative positions of the section contents in the file must correspond -to the relative positions they should hold when the program segment is -loaded. This requirement should be obvious if you consider that the -system loader will load an entire program segment at a time. - -On a system which supports dynamic paging, such as any native Unix -system, the contents of a loadable program segment must be at the same -offset in the file as in memory, modulo the memory page size used on the -system. This is because the system loader will map the file into memory -starting at the start of a page. The system loader can easily remap -entire pages to the correct load address. However, if the contents of -the file were not correctly aligned within the page, the system loader -would have to shift the contents around within the page, which is too -expensive. For example, if the LMA of a loadable program segment is -@samp{0x40080} and the page size is @samp{0x1000}, then the position of -the segment contents within the file must equal @samp{0x80} modulo -@samp{0x1000}. - -BFD has only a single set of sections. It does not provide any generic -way to examine both sections and segments. When BFD is used to open an -object file or executable, the BFD sections will represent ELF sections. -When BFD is used to open a core file, the BFD sections will represent -ELF program segments. - -When BFD is used to examine an object file or executable, any program -segments will be read to set the LMA of the sections. This is because -ELF sections only have a VMA, while ELF program segments have both a VMA -and an LMA. Any program segments will be copied by the -@samp{copy_private} entry points. They will be printed by the -@samp{print_private} entry point. Otherwise, the program segments are -ignored. In particular, programs which use BFD currently have no direct -access to the program segments. - -When BFD is used to create an executable, the program segments will be -created automatically based on the section information. This is done in -the function @samp{assign_file_positions_for_segments} in @file{elf.c}. -This function has been tweaked many times, and probably still has -problems that arise in particular cases. - -There is a hook which may be used to explicitly define the program -segments when creating an executable: the @samp{bfd_record_phdr} -function in @file{bfd.c}. If this function is called, BFD will not -create program segments itself, but will only create the program -segments specified by the caller. The linker uses this function to -implement the @samp{PHDRS} linker script command. - -@node BFD ELF generic support -@subsection BFD ELF generic support - -In general, functions which do not read external data from the ELF file -are found in @file{elf.c}. They operate on the internal forms of the -ELF structures, which are defined in @file{include/elf/internal.h}. The -internal structures are defined in terms of @samp{bfd_vma}, and so may -be used for both 32 bit and 64 bit ELF targets. - -The file @file{elfcode.h} contains functions which operate on the -external data. @file{elfcode.h} is compiled twice, once via -@file{elf32.c} with @samp{ARCH_SIZE} defined as @samp{32}, and once via -@file{elf64.c} with @samp{ARCH_SIZE} defined as @samp{64}. -@file{elfcode.h} includes functions to swap the ELF structures in and -out of external form, as well as a few more complex functions. - -Linker support is found in @file{elflink.c}. The -linker support is only used if the processor specific file defines -@samp{elf_backend_relocate_section}, which is required to relocate the -section contents. If that macro is not defined, the generic linker code -is used, and relocations are handled via @samp{bfd_perform_relocation}. - -The core file support is in @file{elfcore.h}, which is compiled twice, -for both 32 and 64 bit support. The more interesting cases of core file -support only work on a native system which has the @file{sys/procfs.h} -header file. Without that file, the core file support does little more -than read the ELF program segments as BFD sections. - -The BFD internal header file @file{elf-bfd.h} is used for communication -among these files and the processor specific files. - -The default entries for the BFD ELF target vector are found mainly in -@file{elf.c}. Some functions are found in @file{elfcode.h}. - -The processor specific files may override particular entries in the -target vector, but most do not, with one exception: the -@samp{bfd_reloc_type_lookup} entry point is always processor specific. - -@node BFD ELF processor specific support -@subsection BFD ELF processor specific support - -By convention, the processor specific support for a particular processor -will be found in @file{elf@var{nn}-@var{cpu}.c}, where @var{nn} is -either 32 or 64, and @var{cpu} is the name of the processor. - -@menu -* BFD ELF processor required:: Required processor specific support -* BFD ELF processor linker:: Processor specific linker support -* BFD ELF processor other:: Other processor specific support options -@end menu - -@node BFD ELF processor required -@subsubsection Required processor specific support - -When writing a @file{elf@var{nn}-@var{cpu}.c} file, you must do the -following: - -@itemize @bullet -@item -Define either @samp{TARGET_BIG_SYM} or @samp{TARGET_LITTLE_SYM}, or -both, to a unique C name to use for the target vector. This name should -appear in the list of target vectors in @file{targets.c}, and will also -have to appear in @file{config.bfd} and @file{configure.in}. Define -@samp{TARGET_BIG_SYM} for a big-endian processor, -@samp{TARGET_LITTLE_SYM} for a little-endian processor, and define both -for a bi-endian processor. -@item -Define either @samp{TARGET_BIG_NAME} or @samp{TARGET_LITTLE_NAME}, or -both, to a string used as the name of the target vector. This is the -name which a user of the BFD tool would use to specify the object file -format. It would normally appear in a linker emulation parameters -file. -@item -Define @samp{ELF_ARCH} to the BFD architecture (an element of the -@samp{bfd_architecture} enum, typically @samp{bfd_arch_@var{cpu}}). -@item -Define @samp{ELF_MACHINE_CODE} to the magic number which should appear -in the @samp{e_machine} field of the ELF header. As of this writing, -these magic numbers are assigned by Caldera; if you want to get a magic -number for a particular processor, try sending a note to -@email{registry@@caldera.com}. In the BFD sources, the magic numbers are -found in @file{include/elf/common.h}; they have names beginning with -@samp{EM_}. -@item -Define @samp{ELF_MAXPAGESIZE} to the maximum size of a virtual page in -memory. This can normally be found at the start of chapter 5 in the -processor specific supplement. For a processor which will only be used -in an embedded system, or which has no memory management hardware, this -can simply be @samp{1}. -@item -If the format should use @samp{Rel} rather than @samp{Rela} relocations, -define @samp{USE_REL}. This is normally defined in chapter 4 of the -processor specific supplement. - -In the absence of a supplement, it's easier to work with @samp{Rela} -relocations. @samp{Rela} relocations will require more space in object -files (but not in executables, except when using dynamic linking). -However, this is outweighed by the simplicity of addend handling when -using @samp{Rela} relocations. With @samp{Rel} relocations, the addend -must be stored in the section contents, which makes relocatable links -more complex. - -For example, consider C code like @code{i = a[1000];} where @samp{a} is -a global array. The instructions which load the value of @samp{a[1000]} -will most likely use a relocation which refers to the symbol -representing @samp{a}, with an addend that gives the offset from the -start of @samp{a} to element @samp{1000}. When using @samp{Rel} -relocations, that addend must be stored in the instructions themselves. -If you are adding support for a RISC chip which uses two or more -instructions to load an address, then the addend may not fit in a single -instruction, and will have to be somehow split among the instructions. -This makes linking awkward, particularly when doing a relocatable link -in which the addend may have to be updated. It can be done---the MIPS -ELF support does it---but it should be avoided when possible. - -It is possible, though somewhat awkward, to support both @samp{Rel} and -@samp{Rela} relocations for a single target; @file{elf64-mips.c} does it -by overriding the relocation reading and writing routines. -@item -Define howto structures for all the relocation types. -@item -Define a @samp{bfd_reloc_type_lookup} routine. This must be named -@samp{bfd_elf@var{nn}_bfd_reloc_type_lookup}, and may be either a -function or a macro. It must translate a BFD relocation code into a -howto structure. This is normally a table lookup or a simple switch. -@item -If using @samp{Rel} relocations, define @samp{elf_info_to_howto_rel}. -If using @samp{Rela} relocations, define @samp{elf_info_to_howto}. -Either way, this is a macro defined as the name of a function which -takes an @samp{arelent} and a @samp{Rel} or @samp{Rela} structure, and -sets the @samp{howto} field of the @samp{arelent} based on the -@samp{Rel} or @samp{Rela} structure. This is normally uses -@samp{ELF@var{nn}_R_TYPE} to get the ELF relocation type and uses it as -an index into a table of howto structures. -@end itemize - -You must also add the magic number for this processor to the -@samp{prep_headers} function in @file{elf.c}. - -You must also create a header file in the @file{include/elf} directory -called @file{@var{cpu}.h}. This file should define any target specific -information which may be needed outside of the BFD code. In particular -it should use the @samp{START_RELOC_NUMBERS}, @samp{RELOC_NUMBER}, -@samp{FAKE_RELOC}, @samp{EMPTY_RELOC} and @samp{END_RELOC_NUMBERS} -macros to create a table mapping the number used to identify a -relocation to a name describing that relocation. - -While not a BFD component, you probably also want to make the binutils -program @samp{readelf} parse your ELF objects. For this, you need to add -code for @code{EM_@var{cpu}} as appropriate in @file{binutils/readelf.c}. - -@node BFD ELF processor linker -@subsubsection Processor specific linker support - -The linker will be much more efficient if you define a relocate section -function. This will permit BFD to use the ELF specific linker support. - -If you do not define a relocate section function, BFD must use the -generic linker support, which requires converting all symbols and -relocations into BFD @samp{asymbol} and @samp{arelent} structures. In -this case, relocations will be handled by calling -@samp{bfd_perform_relocation}, which will use the howto structures you -have defined. @xref{BFD relocation handling}. - -In order to support linking into a different object file format, such as -S-records, @samp{bfd_perform_relocation} must work correctly with your -howto structures, so you can't skip that step. However, if you define -the relocate section function, then in the normal case of linking into -an ELF file the linker will not need to convert symbols and relocations, -and will be much more efficient. - -To use a relocation section function, define the macro -@samp{elf_backend_relocate_section} as the name of a function which will -take the contents of a section, as well as relocation, symbol, and other -information, and modify the section contents according to the relocation -information. In simple cases, this is little more than a loop over the -relocations which computes the value of each relocation and calls -@samp{_bfd_final_link_relocate}. The function must check for a -relocatable link, and in that case normally needs to do nothing other -than adjust the addend for relocations against a section symbol. - -The complex cases generally have to do with dynamic linker support. GOT -and PLT relocations must be handled specially, and the linker normally -arranges to set up the GOT and PLT sections while handling relocations. -When generating a shared library, random relocations must normally be -copied into the shared library, or converted to RELATIVE relocations -when possible. - -@node BFD ELF processor other -@subsubsection Other processor specific support options - -There are many other macros which may be defined in -@file{elf@var{nn}-@var{cpu}.c}. These macros may be found in -@file{elfxx-target.h}. - -Macros may be used to override some of the generic ELF target vector -functions. - -Several processor specific hook functions which may be defined as -macros. These functions are found as function pointers in the -@samp{elf_backend_data} structure defined in @file{elf-bfd.h}. In -general, a hook function is set by defining a macro -@samp{elf_backend_@var{name}}. - -There are a few processor specific constants which may also be defined. -These are again found in the @samp{elf_backend_data} structure. - -I will not define the various functions and constants here; see the -comments in @file{elf-bfd.h}. - -Normally any odd characteristic of a particular ELF processor is handled -via a hook function. For example, the special @samp{SHN_MIPS_SCOMMON} -section number found in MIPS ELF is handled via the hooks -@samp{section_from_bfd_section}, @samp{symbol_processing}, -@samp{add_symbol_hook}, and @samp{output_symbol_hook}. - -Dynamic linking support, which involves processor specific relocations -requiring special handling, is also implemented via hook functions. - -@node BFD ELF core files -@subsection BFD ELF core files -@cindex elf core files - -On native ELF Unix systems, core files are generated without any -sections. Instead, they only have program segments. - -When BFD is used to read an ELF core file, the BFD sections will -actually represent program segments. Since ELF program segments do not -have names, BFD will invent names like @samp{segment@var{n}} where -@var{n} is a number. - -A single ELF program segment may include both an initialized part and an -uninitialized part. The size of the initialized part is given by the -@samp{p_filesz} field. The total size of the segment is given by the -@samp{p_memsz} field. If @samp{p_memsz} is larger than @samp{p_filesz}, -then the extra space is uninitialized, or, more precisely, initialized -to zero. - -BFD will represent such a program segment as two different sections. -The first, named @samp{segment@var{n}a}, will represent the initialized -part of the program segment. The second, named @samp{segment@var{n}b}, -will represent the uninitialized part. - -ELF core files store special information such as register values in -program segments with the type @samp{PT_NOTE}. BFD will attempt to -interpret the information in these segments, and will create additional -sections holding the information. Some of this interpretation requires -information found in the host header file @file{sys/procfs.h}, and so -will only work when BFD is built on a native system. - -BFD does not currently provide any way to create an ELF core file. In -general, BFD does not provide a way to create core files. The way to -implement this would be to write @samp{bfd_set_format} and -@samp{bfd_write_contents} routines for the @samp{bfd_core} type; see -@ref{BFD target vector format}. - -@node BFD ELF future -@subsection BFD ELF future - -The current dynamic linking support has too much code duplication. -While each processor has particular differences, much of the dynamic -linking support is quite similar for each processor. The GOT and PLT -are handled in fairly similar ways, the details of -Bsymbolic linking -are generally similar, etc. This code should be reworked to use more -generic functions, eliminating the duplication. - -Similarly, the relocation handling has too much duplication. Many of -the @samp{reloc_type_lookup} and @samp{info_to_howto} functions are -quite similar. The relocate section functions are also often quite -similar, both in the standard linker handling and the dynamic linker -handling. Many of the COFF processor specific backends share a single -relocate section function (@samp{_bfd_coff_generic_relocate_section}), -and it should be possible to do something like this for the ELF targets -as well. - -The appearance of the processor specific magic number in -@samp{prep_headers} in @file{elf.c} is somewhat bogus. It should be -possible to add support for a new processor without changing the generic -support. - -The processor function hooks and constants are ad hoc and need better -documentation. - -@node BFD glossary -@section BFD glossary -@cindex glossary for bfd -@cindex bfd glossary - -This is a short glossary of some BFD terms. - -@table @asis -@item a.out -The a.out object file format. The original Unix object file format. -Still used on SunOS, though not Solaris. Supports only three sections. - -@item archive -A collection of object files produced and manipulated by the @samp{ar} -program. - -@item backend -The implementation within BFD of a particular object file format. The -set of functions which appear in a particular target vector. - -@item BFD -The BFD library itself. Also, each object file, archive, or executable -opened by the BFD library has the type @samp{bfd *}, and is sometimes -referred to as a bfd. - -@item COFF -The Common Object File Format. Used on Unix SVR3. Used by some -embedded targets, although ELF is normally better. - -@item DLL -A shared library on Windows. - -@item dynamic linker -When a program linked against a shared library is run, the dynamic -linker will locate the appropriate shared library and arrange to somehow -include it in the running image. - -@item dynamic object -Another name for an ELF shared library. - -@item ECOFF -The Extended Common Object File Format. Used on Alpha Digital Unix -(formerly OSF/1), as well as Ultrix and Irix 4. A variant of COFF. - -@item ELF -The Executable and Linking Format. The object file format used on most -modern Unix systems, including GNU/Linux, Solaris, Irix, and SVR4. Also -used on many embedded systems. - -@item executable -A program, with instructions and symbols, and perhaps dynamic linking -information. Normally produced by a linker. - -@item LMA -Load Memory Address. This is the address at which a section will be -loaded. Compare with VMA, below. - -@item NLM -NetWare Loadable Module. Used to describe the format of an object which -be loaded into NetWare, which is some kind of PC based network server -program. - -@item object file -A binary file including machine instructions, symbols, and relocation -information. Normally produced by an assembler. - -@item object file format -The format of an object file. Typically object files and executables -for a particular system are in the same format, although executables -will not contain any relocation information. - -@item PE -The Portable Executable format. This is the object file format used for -Windows (specifically, Win32) object files. It is based closely on -COFF, but has a few significant differences. - -@item PEI -The Portable Executable Image format. This is the object file format -used for Windows (specifically, Win32) executables. It is very similar -to PE, but includes some additional header information. - -@item relocations -Information used by the linker to adjust section contents. Also called -relocs. - -@item section -Object files and executable are composed of sections. Sections have -optional data and optional relocation information. - -@item shared library -A library of functions which may be used by many executables without -actually being linked into each executable. There are several different -implementations of shared libraries, each having slightly different -features. - -@item symbol -Each object file and executable may have a list of symbols, often -referred to as the symbol table. A symbol is basically a name and an -address. There may also be some additional information like the type of -symbol, although the type of a symbol is normally something simple like -function or object, and should be confused with the more complex C -notion of type. Typically every global function and variable in a C -program will have an associated symbol. - -@item target vector -A set of functions which implement support for a particular object file -format. The @samp{bfd_target} structure. - -@item Win32 -The current Windows API, implemented by Windows 95 and later and Windows -NT 3.51 and later, but not by Windows 3.1. - -@item XCOFF -The eXtended Common Object File Format. Used on AIX. A variant of -COFF, with a completely different symbol table implementation. - -@item VMA -Virtual Memory Address. This is the address a section will have when -an executable is run. Compare with LMA, above. -@end table - -@node Index -@unnumberedsec Index -@printindex cp - -@contents -@bye

bfdint.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: ChangeLog-9103 =================================================================== --- ChangeLog-9103 (revision 816) +++ ChangeLog-9103 (nonexistent) @@ -1,594 +0,0 @@ -2003-10-15 Andrew Cagney - - * bfdint.texi (BFD target vector symbols): Rename _get_symtab to - _canonicalize_symtab. - -2003-10-08 David Taylor - - * bfd.texinfo: Remove spurious backslash. - -2003-07-04 Josh Baratz - - * Makefile.am (MKDOC rule): Add $(CFLAGS) in case it contains - CC_FOR_BUILD specific switches. - * Makefile.in: Regenerate. - -2003-06-29 Alan Modra - - * chew.c (paramstuff): Don't emit PARAMS. - -2003-02-12 Bob Wilson - - * bfd.texinfo: Fix quotes for texinfo. Make section title - capitalization more consistent. Use @example instead of @lisp. - Replace FDL appendix with include of fdl.texi. - * fdl.texi: New file. - -2002-11-18 Klee Dienes - - * Makefile.am (DOCFILES): Add bfdwin.texi, bfdio.texi. - (PROTOS): Add bfdio.p, bfdwin.p. - (SRCDOC): Add bfdio.c, bfdwin.c. - (SRCPROT): Add bfdio.c, bfdwin.c. - (SRCIPROT): Add bfdio.c, bfdwin.c. - (LIBBFD_H_DEP): Add bfdio.c, bfdwin.c. - (BFD_H_DEP): Add bfdio.c, bfdwin.c. - Add rules for bfdio.texi, bfdwin.text. - * bfd.texinfo: Include bfdio.texi. - -2002-10-14 Alan Modra - - * Makefile.in: Regenerate. - -2002-10-11 Daniel Jacobowitz - - * Makefile.in: Regenerated. - -2002-08-29 John David Anglin - - * chew.c (paramstuff, outputdots, perform, bang and usage): Remove - void from function definitions. - -2002-08-13 Alan Modra - - * header.sed: Strip tabs. - -2002-06-08 Alan Modra - - * Makefile.am: Fix quote style in last change. - * Makefile.in: Regenerate. - -2002-06-07 Alan Modra - - * Makefile.am (libbfd.h): Don't use "echo -n". - (libcoff.h, bfd.h): Likewise. - * Makefile.in: Regenerate. - -2002-06-06 Lars Brinkhoff - - * bfdint.texi: Change registry@sco.com to registry@caldera.com. - -2002-06-05 Alan Modra - - * Makefile.am (libbfd.h): Add "Extracted from.." comment. - (libcoff.h, bfd.h): Likewise. - * Makefile.in: Regenerate. - -2002-05-25 Alan Modra - - * chew.c: Use #include "" instead of <> for local header files. - -2002-04-20 Alan Modra - - * Makefile.in: Regenerate. - -2002-02-11 Alan Modra - - * Makefile.in: Regenerate. - -2002-02-01 Alan Modra - - * chew.c (WORD): Eliminate. - -2002-01-31 Ivan Guzvinec - - * Makefile.in: Regenerate. - -2002-01-31 Alan Modra - - * chew.c (courierize): Don't modify @command params. - -2002-01-30 Nick Clifton - - * proto.str (ENUMDOC): Place two spaces between the end of - the text and the closing comment marker. - -2001-10-30 Hans-Peter Nilsson - - * bfdint.texi (BFD target vector miscellaneous): Add - bfd_target_mmo_flavour. - * bfd.texinfo (BFD back ends): Add entry for mmo. - * Makefile.am (DOCFILES): Add mmo.texi. - (SRCDOC): Add mmo.c. - (s-mmo, mmo.texi): New rules. - -2001-10-29 Kazu Hirata - - * bfdsumm.texi: Fix a typo. - -2001-10-26 Nick Clifton - - * bfd.texinfo: Change footer to refer to FSF. Change subtitle - to refer to original creation date. - -2002-01-26 Hans-Peter Nilsson - - * Makefile.am (install): Depend on install-info. - * Makefile.in: Regenerate. - -2001-10-03 Alan Modra - - * Makefile.am (BFD_H_DEP): Add ../version.h. - * Makefile.in: Regenerate. - -2001-10-02 Alan Modra - - * Makefile.in: Regenerate. - -2001-10-01 Alan Modra - - * header.sed: New file, adds header to generated files. - * Makefile.am: Rewrite rules generating libbfd.h, libcoff.h and - bfd.h, using above. Add missing elf.c dependecy for libbfd.h. - * Makefile.in: Regenerate. - -2001-09-21 Alan Modra - - * Makefile.in: Regenerate. - -2001-09-18 Alan Modra - - * bfdint.texi: Replace reference to bfd_read with bfd_bread. - Likewise for bfd_write. - -2001-07-24 Alan Modra - - * Makefile.in: Regenerate. - -2001-06-21 Hans-Peter Nilsson - - * bfdint.texi (BFD relocation functions) : - Mention that the GNU linker is aware of input-output format - restrictions when generating relocatable output. Make new - paragraph for final-link case. - (BFD target vector swap): Fix typo. - -2001-01-25 Kazu Hirata - - * chew.c: Do not output trailing whitespaces in type and - functionname. Update copyright. - -2001-01-24 Kazu Hirata - - * chew.c: Do not output a trailing whitespace. - -2000-11-06 Nick Clifton - - * bfd.texinfo: Add GNU Free Documentation License. - -2000-07-09 Alan Modra - - * Makefile.in: Regenerate. - -2000-07-08 Alan Modra - - * chew.c (outputdots): Don't add a space before `/*'. - (courierize): Likewise. - -Wed May 24 12:03:25 2000 Hans-Peter Nilsson - - * bfdint.texi (BFD ELF processor required): Add paragraph about - target necessities for readelf. - -2000-04-30 Ben Elliston - - * bfdint.texi (BFD generated files): Fix another typo. - -2000-04-17 Ben Elliston - - * bfdint.texi (BFD_JUMP_TABLE macros): Fix typo. - -2000-04-07 Andrew Cagney - - * Makefile.in: Rebuild with current autoconf/automake. - -1999-02-04 Ian Lance Taylor - - * Makefile.in: Rebuild with current autoconf/automake. - -1998-07-23 Nick Clifton - - * bfdint.texi (BFD ELF processor required): Add paragraph - describing the necessity to create "include/elf/CPU.h". - -1998-05-07 Ian Lance Taylor - - * Makefile.am (chew.o): Add -I options for intl srcdir and - objdir. - * Makefile.in: Rebuild. - -1998-04-27 Ian Lance Taylor - - * bfdint.texi: New file. - * Makefile.am (noinst_TEXINFOS): New variable. - * Makefile.in: Rebuild. - -1998-04-13 Ian Lance Taylor - - * Makefile.in: Rebuild. - -1998-04-06 Ian Lance Taylor - - * Makefile.am (STAGESTUFF): Remove variable. - (CLEANFILES): Don't remove $(STAGESTUFF). - (DISTCLEANFILES, MAINTAINERCLEANFILES): New variables. - * Makefile.in: Rebuild. - -1998-03-27 Ian Lance Taylor - - * chew.c (skip_white_and_starts): Remove unused declaration. - (skip_white_and_stars): Add casts to avoid warnings. - (skip_trailing_newlines, paramstuff, courierize): Likewise. - (bulletize, do_fancy_stuff, iscommand): Likewise. - (kill_bogus_lines, nextword, main): Likewise. - (manglecomments): Comment out. - (outputdots, kill_bogus_lines): Remove unused local variables. - (perform, compile): Likewise. - (courierize): Fully parenthesize expression. - (copy_past_newline): Declare return value. - (print): Change printf format string. - (main): Call usage for an unrecognized option. - -1998-02-13 Ian Lance Taylor - - * Makefile.am (AUTOMAKE_OPTIONS): Define. - * Makefile.in: Rebuild. - -1998-01-26 Andreas Schwab - - * doc.str (bodytext): Don't output @* at the end. - * chew.c (kill_bogus_lines): Make sure that a period at the - beginning is recognized. - (indent): Don't put indentation at the end. - (copy_past_newline): Expand tabs. - * Makefile.am (s-reloc, s-syms): Depend on doc.str. - * Makefile.in: Rebuild. - -1997-10-01 Ian Lance Taylor - - * Makefile.am (libbfd.h): Don't use cpu-h8300.c, cpu-i960.c, or - elfcode.h as input files; they don't contribute anything. - * Makefile.in: Rebuild. - -1997-08-15 Doug Evans - - * Makefile.am (libbfd.h, libcoff.h): Invoke $(MKDOC) as ./$(MKDOC). - * Makefile.in: Rebuild. - -1997-08-01 Ian Lance Taylor - - * Makefile.am (CC_FOR_BUILD): Don't set explicitly. - * Makefile.in: Rebuild. - -1997-07-31 Ian Lance Taylor - - * Makefile.am: New file, based on old Makefile.in. - * Makefile.in: Now built with automake. - -1997-07-22 Robert Hoehne - - * Makefile.in: Change stamp-* files to s-* files. Use bfdt.texi - rather than bfd.texi. - (DOCFILES): Change bfd.texi to bfdt.texi. - * bfd.texinfo: Include bfdt.texi, not bfd.texi. - -1997-06-16 Ian Lance Taylor - - * Makefile.in (CC, CFLAGS): Substitute from configure script. - From Jeff Makey . - -1997-04-15 Ian Lance Taylor - - * Makefile.in (install-info): Use mkinstalldirs to build - $(infodir). - -1997-04-08 Ian Lance Taylor - - * Makefile.in (install-info): Permit info files to be in srcdir. - (stamp-*): Add a stamp-X target for each X.texi target. - (*.texi): Just depend upon stamp-X. - (clean): Remove stamp-*. - (distclean): Depend upon mostlyclean. Remove stamp-*. Don't - remove $(DOCFILES). - -1997-04-07 Ian Lance Taylor - - * Makefile.in (distclean): Don't remove *.info files. - -1997-02-13 Klaus Kaempf (kkaempf@progis.de) - - * makefile.vms: New file. - -1996-06-18 Ian Lance Taylor - - * chew.c (kill_bogus_lines): Reset sl when not at the start of a - line. From Uwe Ohse . - -1996-01-30 Ian Lance Taylor - - From Ronald F. Guilmette : - * Makefile.in (libbfd.h): Depend upon proto.str. - (libcoff.h, bfd.h): Likewise. - -1995-11-03 Fred Fish - - * Makefile.in (SRCDOC, SRCPROT, core.texi, bfd.h): Use corefile.c, - renamed from core.c. - -1995-11-01 Manfred Hollstein KS/EF4A 60/1F/110 #40283 - - * chew.c: Include . - -1995-10-06 Ken Raeburn - - Mon Sep 25 22:49:32 1995 Andreas Schwab - - * Makefile.in (Makefile): Only remake this Makefile. - -1995-10-04 Ken Raeburn - - * chew.c: Include . - -1995-09-12 Ian Lance Taylor - - * Makefile.in (maintainer-clean): New target. - -1995-08-31 Ian Lance Taylor - - * Makefile.in (bfd.h): Add additional #endif at end of bfd.h if - __cplusplus is defined. - -1994-11-29 Doug Evans - - * chew.c (write_buffer): New argument `f', all callers changed. - (stdout, stderr, print, drop, idrop): New forth words. - * proto.str (COMMENT): New command. - * doc.str (COMMENT): Likewise. - -1994-09-12 Ian Lance Taylor (ian@sanguine.cygnus.com) - - * Makefile.in (DOCFILES): Remove ctor.texi. - (IPROTOS): Remove ctor.ip. - (SRCIPROT): Remove $(srcdir)/../ctor.c. - (ctor.texi): Remove target. - (libbfd.h): Remove dependency on $(srcdir)/../ctor.c. Remove - $(MKDOC) run on $(srcdir)/../ctor.c. - * bfd.texinfo (Constructors): Remove section. - -1994-09-02 Ken Raeburn (raeburn@cujo.cygnus.com) - - * chew.c: Include assert.h. Added prototypes for most functions. - Changed most uses of int to long. Do bounds checking on the - stacks. Added comment at the beginning documenting most of the - intrinsics. Lots of whitespace changes. Re-ordered some - functions. - (die, check_range, icheck_range): New functions. - (strip_trailing_newlines, print_stack_level): New functions. - (translatecomments): Don't insert tab before "/*". - (iscommand): Minimum command length is now 4. - (nextword): Handle some \-sequences. - (push_addr): Deleted. - (main): Add new intrinsics strip_trailing_newlines and - print_stack_level. Complain at end if stack contains more than - one element, or less. - (remchar): Make sure the string is not empty before chopping off a - character. - - * doc.str, proto.str: Handle new commands SENUM, ENUM, ENUMX, - ENUMEQ, ENUMEQX, ENUMDOC. - -1994-01-12 Ian Lance Taylor (ian@tweedledumb.cygnus.com) - - * bfd.texinfo: Added Linker Functions node. - * Makefile.in (DOCFILES): Added linker.texi. - (SRCDOC): Added linker.c. - (linker.texi): New target. - -1994-01-04 Ian Lance Taylor (ian@tweedledumb.cygnus.com) - - * chew.c: Don't rely on a correct declaration of exit. - (chew_exit): New function which just calls exit. - (main): Use it. - -1994-01-03 Ian Lance Taylor (ian@tweedledumb.cygnus.com) - - * bfd.texinfo: Added Hash Tables node. - * Makefile.in (DOCFILES): Added hash.texi. - (SRCDOC): Added hash.c. - (hash.texi): New target. - -1993-12-30 Ken Raeburn (raeburn@cujo.cygnus.com) - - * Makefile.in: Delete all references to seclet.c, since it's just - been deleted. Don't mention hash.c, linker.c, or genlink.h yet, - since they don't contain documentation yet (hint, hint!). - -1993-11-05 David J. Mackenzie (djm@thepub.cygnus.com) - - * bfd.texinfo: Small cleanups. - -1993-11-19 Ken Raeburn (raeburn@cambridge.cygnus.com) - - * Makefile.in (archures.texi): Depends on $(MKDOC). - -1993-08-10 Ken Raeburn (raeburn@cambridge.cygnus.com) - - * bfd.texinfo (BFD back end): Don't include elfcode.texi, since - it's empty now and that triggers a makeinfo bug. - -1993-08-09 Ken Raeburn (raeburn@cambridge.cygnus.com) - - * bfd.texinfo (BFD back end): New section on ELF, includes - elf.texi and elfcode.texi. - * Makefile.in (DOCFILES): Include elf.texi, elfcode.texi. - (SRCDOC): Include elfcode.h, elf.c. - (elf.texi, elfcode.texi): New intermediate targets. - -1993-06-24 David J. Mackenzie (djm@thepub.cygnus.com) - - * Makefile.in (.c.o, chew.o): Put CFLAGS last. - * bfdsumm.texi: New file, broken out of bfd.texinfo, to share - with ld.texinfo. - -1993-06-14 david d `zoo' zuhn (zoo at rtl.cygnus.com) - - * Makefile.in (install-info): remove parentdir cruft, - -1993-06-09 Jim Kingdon (kingdon@cygnus.com) - - * Makefile.in (mostlyclean): Remove chew.o. - -1993-05-25 Ken Raeburn (raeburn@cambridge.cygnus.com) - - * Makefile.in (libbfd.h): Use elfcode.h, not elf32.c. - -1993-05-24 Ken Raeburn (raeburn@cygnus.com) - - * chew.c (compile): Add a couple of missing casts. - -1993-05-12 Ian Lance Taylor (ian@cygnus.com) - - * Makefile.in (CC_FOR_BUILD): New variable, define to be $(CC). - (chew.o, $(MKDOC)): Build using CC_FOR_BUILD rather than CC, since - it must run on the build machine. - -1993-04-07 John Gilmore (gnu@cygnus.com) - - * Makefile.in (chew): Don't compile from .c to executable in a - single step; it puts a temporary .o filename into the executable, - which makes multi-stage comparisons fail. Compile chew.c to - chew.o, and link that, which makes identical executables every time. - -1993-03-24 david d `zoo' zuhn (zoo at poseidon.cygnus.com) - - * Makefile.in: fix typo (bfd.texinfo not bfd.texino) - -1993-03-19 Ken Raeburn (raeburn@kr-pc.cygnus.com) - - * bfd.texinfo: Since BFD version number has been bumped, do same - to "version number" on title page, and elsewhere. Should be - fixed to extract real version number. - -1993-03-16 Per Bothner (bothner@rtl.cygnus.com) - - * Makefile.in: Add *clean rules. - -1993-01-11 Ian Lance Taylor (ian@tweedledumb.cygnus.com) - - * Makefile.in (libbfd.h): Removed duplicate init.c and libbfd.c. - Added seclet.c. - (bfd.h): Added dependency on bfd.c and seclet.c. Added seclet.c - to build. - -1992-12-17 david d `zoo' zuhn (zoo at cirdan.cygnus.com) - - * Makefile.in: added dvi target, define and use $(TEXI2DVI) - -1992-12-03 Ken Raeburn (raeburn@cambridge.cygnus.com) - - * Makefile.in (TEXIDIR): New variable. - (bfd.dvi): Look for bfd.texinfo in $(srcdir). Generate index. - - * bfd.texinfo: Minor doc fixes. - -1992-11-05 John Gilmore (gnu@cygnus.com) - - Cleanup: Replace all uses of EXFUN in the BFD sources, with PARAMS. - - * chew.c (exfunstuff): Eliminate. - (paramstuff): Replace exfunstuff with function to generate PARAMS. - * proto.str: Use paramstuff rather than exfunstuff. - -1992-08-17 Steve Chamberlain (sac@thepub.cygnus.com) - - * chew.c: various patches provided by Howard Chu. - -1992-06-19 John Gilmore (gnu at cygnus.com) - - * Makefile.in (libbfd.h): Add elf.c as a source of prototypes. - -1992-05-11 John Gilmore (gnu at cygnus.com) - - * chew.c: exit() should be declared by config files, not by - portable source code. Its type could be int or void function. - -1992-05-04 K. Richard Pixley (rich@rtl.cygnus.com) - - * Makefile.in: another CFLAGS correction. - -1992-04-28 K. Richard Pixley (rich@rtl.cygnus.com) - - * Makefile.in: Do the CFLAGS thing. - -1992-04-11 Fred Fish (fnf@cygnus.com) - - * Makefile.in (MINUS_G): Add macro and default to -g. - -1992-03-06 Steve Chamberlain (sac@thepub.cygnus.com) - - * chew.c: now has -w switch turn on warnings - -1992-02-26 K. Richard Pixley (rich@cygnus.com) - - * Makefile.in, configure.in: removed traces of namesubdir, - -subdirs, $(subdir), $(unsubdir), some rcs triggers. Forced - copyrights to '92, changed some from Cygnus to FSF. - -1991-12-10 K. Richard Pixley (rich at rtl.cygnus.com) - - * Makefile.in: build chew into the current directory. Complete - the MKDOC macro transition. - -1991-12-10 Steve Chamberlain (sac at rtl.cygnus.com) - - * chew.c: don't core dump when can't open file - * Makefile.in: get proto.str from the right place when built in - odd directories - -1991-12-10 K. Richard Pixley (rich at rtl.cygnus.com) - - * Makefile.in: infodir belongs in datadir. - -1991-12-07 Steve Chamberlain (sac at rtl.cygnus.com) - - * chew.c: Much modified - * proto.str, doc.str: New files for extracting to product - prototypes and documents respectively. - - -1991-12-06 K. Richard Pixley (rich at rtl.cygnus.com) - - * Makefile.in: added standards.text support, host/site/target - inclusion hooks, install using INSTALL_DATA rather than cp, - don't echo on install. - -1991-12-05 K. Richard Pixley (rich at rtl.cygnus.com) - - * Makefile.in: idestdir and ddestdir go away. Added copyrights - and shift gpl to v2. Added ChangeLog if it didn't exist. docdir - and mandir now keyed off datadir by default. - - -Local Variables: -version-control: never -End: Index: bfdwin.texi =================================================================== --- bfdwin.texi (revision 816) +++ bfdwin.texi (nonexistent) @@ -1,2 +0,0 @@ -@findex -@subsubsection @code{}

bfdwin.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: archive.texi =================================================================== --- archive.texi (revision 816) +++ archive.texi (nonexistent) @@ -1,99 +0,0 @@ -@section Archives - - -@strong{Description}@* -An archive (or library) is just another BFD. It has a symbol -table, although there's not much a user program will do with it. - -The big difference between an archive BFD and an ordinary BFD -is that the archive doesn't have sections. Instead it has a -chain of BFDs that are considered its contents. These BFDs can -be manipulated like any other. The BFDs contained in an -archive opened for reading will all be opened for reading. You -may put either input or output BFDs into an archive opened for -output; they will be handled correctly when the archive is closed. - -Use @code{bfd_openr_next_archived_file} to step through -the contents of an archive opened for input. You don't -have to read the entire archive if you don't want -to! Read it until you find what you want. - -Archive contents of output BFDs are chained through the -@code{next} pointer in a BFD. The first one is findable through -the @code{archive_head} slot of the archive. Set it with -@code{bfd_set_archive_head} (q.v.). A given BFD may be in only one -open output archive at a time. - -As expected, the BFD archive code is more general than the -archive code of any given environment. BFD archives may -contain files of different formats (e.g., a.out and coff) and -even different architectures. You may even place archives -recursively into archives! - -This can cause unexpected confusion, since some archive -formats are more expressive than others. For instance, Intel -COFF archives can preserve long filenames; SunOS a.out archives -cannot. If you move a file from the first to the second -format and back again, the filename may be truncated. -Likewise, different a.out environments have different -conventions as to how they truncate filenames, whether they -preserve directory names in filenames, etc. When -interoperating with native tools, be sure your files are -homogeneous. - -Beware: most of these formats do not react well to the -presence of spaces in filenames. We do the best we can, but -can't always handle this case due to restrictions in the format of -archives. Many Unix utilities are braindead in regards to -spaces and such in filenames anyway, so this shouldn't be much -of a restriction. - -Archives are supported in BFD in @code{archive.c}. - -@subsection Archive functions - - -@findex bfd_get_next_mapent -@subsubsection @code{bfd_get_next_mapent} -@strong{Synopsis} -@example -symindex bfd_get_next_mapent - (bfd *abfd, symindex previous, carsym **sym); -@end example -@strong{Description}@* -Step through archive @var{abfd}'s symbol table (if it -has one). Successively update @var{sym} with the next symbol's -information, returning that symbol's (internal) index into the -symbol table. - -Supply @code{BFD_NO_MORE_SYMBOLS} as the @var{previous} entry to get -the first one; returns @code{BFD_NO_MORE_SYMBOLS} when you've already -got the last one. - -A @code{carsym} is a canonical archive symbol. The only -user-visible element is its name, a null-terminated string. - -@findex bfd_set_archive_head -@subsubsection @code{bfd_set_archive_head} -@strong{Synopsis} -@example -bfd_boolean bfd_set_archive_head (bfd *output, bfd *new_head); -@end example -@strong{Description}@* -Set the head of the chain of -BFDs contained in the archive @var{output} to @var{new_head}. - -@findex bfd_openr_next_archived_file -@subsubsection @code{bfd_openr_next_archived_file} -@strong{Synopsis} -@example -bfd *bfd_openr_next_archived_file (bfd *archive, bfd *previous); -@end example -@strong{Description}@* -Provided a BFD, @var{archive}, containing an archive and NULL, open -an input BFD on the first contained element and returns that. -Subsequent calls should pass -the archive and the previous return value to return a created -BFD to the next contained element. NULL is returned when there -are no more. -

archive.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: core.texi =================================================================== --- core.texi (revision 816) +++ core.texi (nonexistent) @@ -1,60 +0,0 @@ -@section Core files - - -@subsection Core file functions - - -@strong{Description}@* -These are functions pertaining to core files. - -@findex bfd_core_file_failing_command -@subsubsection @code{bfd_core_file_failing_command} -@strong{Synopsis} -@example -const char *bfd_core_file_failing_command (bfd *abfd); -@end example -@strong{Description}@* -Return a read-only string explaining which program was running -when it failed and produced the core file @var{abfd}. - -@findex bfd_core_file_failing_signal -@subsubsection @code{bfd_core_file_failing_signal} -@strong{Synopsis} -@example -int bfd_core_file_failing_signal (bfd *abfd); -@end example -@strong{Description}@* -Returns the signal number which caused the core dump which -generated the file the BFD @var{abfd} is attached to. - -@findex core_file_matches_executable_p -@subsubsection @code{core_file_matches_executable_p} -@strong{Synopsis} -@example -bfd_boolean core_file_matches_executable_p - (bfd *core_bfd, bfd *exec_bfd); -@end example -@strong{Description}@* -Return @code{TRUE} if the core file attached to @var{core_bfd} -was generated by a run of the executable file attached to -@var{exec_bfd}, @code{FALSE} otherwise. - -@findex generic_core_file_matches_executable_p -@subsubsection @code{generic_core_file_matches_executable_p} -@strong{Synopsis} -@example -bfd_boolean generic_core_file_matches_executable_p - (bfd *core_bfd, bfd *exec_bfd); -@end example -@strong{Description}@* -Return TRUE if the core file attached to @var{core_bfd} -was generated by a run of the executable file attached -to @var{exec_bfd}. The match is based on executable -basenames only. - -Note: When not able to determine the core file failing -command or the executable name, we still return TRUE even -though we're not sure that core file and executable match. -This is to avoid generating a false warning in situations -where we really don't know whether they match or not. -

core.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: bfdsumm.texi =================================================================== --- bfdsumm.texi (revision 816) +++ bfdsumm.texi (nonexistent) @@ -1,148 +0,0 @@ -@c This summary of BFD is shared by the BFD and LD docs. -When an object file is opened, BFD subroutines automatically determine -the format of the input object file. They then build a descriptor in -memory with pointers to routines that will be used to access elements of -the object file's data structures. - -As different information from the object files is required, -BFD reads from different sections of the file and processes them. -For example, a very common operation for the linker is processing symbol -tables. Each BFD back end provides a routine for converting -between the object file's representation of symbols and an internal -canonical format. When the linker asks for the symbol table of an object -file, it calls through a memory pointer to the routine from the -relevant BFD back end which reads and converts the table into a canonical -form. The linker then operates upon the canonical form. When the link is -finished and the linker writes the output file's symbol table, -another BFD back end routine is called to take the newly -created symbol table and convert it into the chosen output format. - -@menu -* BFD information loss:: Information Loss -* Canonical format:: The BFD canonical object-file format -@end menu - -@node BFD information loss -@subsection Information Loss - -@emph{Information can be lost during output.} The output formats -supported by BFD do not provide identical facilities, and -information which can be described in one form has nowhere to go in -another format. One example of this is alignment information in -@code{b.out}. There is nowhere in an @code{a.out} format file to store -alignment information on the contained data, so when a file is linked -from @code{b.out} and an @code{a.out} image is produced, alignment -information will not propagate to the output file. (The linker will -still use the alignment information internally, so the link is performed -correctly). - -Another example is COFF section names. COFF files may contain an -unlimited number of sections, each one with a textual section name. If -the target of the link is a format which does not have many sections (e.g., -@code{a.out}) or has sections without names (e.g., the Oasys format), the -link cannot be done simply. You can circumvent this problem by -describing the desired input-to-output section mapping with the linker command -language. - -@emph{Information can be lost during canonicalization.} The BFD -internal canonical form of the external formats is not exhaustive; there -are structures in input formats for which there is no direct -representation internally. This means that the BFD back ends -cannot maintain all possible data richness through the transformation -between external to internal and back to external formats. - -This limitation is only a problem when an application reads one -format and writes another. Each BFD back end is responsible for -maintaining as much data as possible, and the internal BFD -canonical form has structures which are opaque to the BFD core, -and exported only to the back ends. When a file is read in one format, -the canonical form is generated for BFD and the application. At the -same time, the back end saves away any information which may otherwise -be lost. If the data is then written back in the same format, the back -end routine will be able to use the canonical form provided by the -BFD core as well as the information it prepared earlier. Since -there is a great deal of commonality between back ends, -there is no information lost when -linking or copying big endian COFF to little endian COFF, or @code{a.out} to -@code{b.out}. When a mixture of formats is linked, the information is -only lost from the files whose format differs from the destination. - -@node Canonical format -@subsection The BFD canonical object-file format - -The greatest potential for loss of information occurs when there is the least -overlap between the information provided by the source format, that -stored by the canonical format, and that needed by the -destination format. A brief description of the canonical form may help -you understand which kinds of data you can count on preserving across -conversions. -@cindex BFD canonical format -@cindex internal object-file format - -@table @emph -@item files -Information stored on a per-file basis includes target machine -architecture, particular implementation format type, a demand pageable -bit, and a write protected bit. Information like Unix magic numbers is -not stored here---only the magic numbers' meaning, so a @code{ZMAGIC} -file would have both the demand pageable bit and the write protected -text bit set. The byte order of the target is stored on a per-file -basis, so that big- and little-endian object files may be used with one -another. - -@item sections -Each section in the input file contains the name of the section, the -section's original address in the object file, size and alignment -information, various flags, and pointers into other BFD data -structures. - -@item symbols -Each symbol contains a pointer to the information for the object file -which originally defined it, its name, its value, and various flag -bits. When a BFD back end reads in a symbol table, it relocates all -symbols to make them relative to the base of the section where they were -defined. Doing this ensures that each symbol points to its containing -section. Each symbol also has a varying amount of hidden private data -for the BFD back end. Since the symbol points to the original file, the -private data format for that symbol is accessible. @code{ld} can -operate on a collection of symbols of wildly different formats without -problems. - -Normal global and simple local symbols are maintained on output, so an -output file (no matter its format) will retain symbols pointing to -functions and to global, static, and common variables. Some symbol -information is not worth retaining; in @code{a.out}, type information is -stored in the symbol table as long symbol names. This information would -be useless to most COFF debuggers; the linker has command line switches -to allow users to throw it away. - -There is one word of type information within the symbol, so if the -format supports symbol type information within symbols (for example, COFF, -IEEE, Oasys) and the type is simple enough to fit within one word -(nearly everything but aggregates), the information will be preserved. - -@item relocation level -Each canonical BFD relocation record contains a pointer to the symbol to -relocate to, the offset of the data to relocate, the section the data -is in, and a pointer to a relocation type descriptor. Relocation is -performed by passing messages through the relocation type -descriptor and the symbol pointer. Therefore, relocations can be performed -on output data using a relocation method that is only available in one of the -input formats. For instance, Oasys provides a byte relocation format. -A relocation record requesting this relocation type would point -indirectly to a routine to perform this, so the relocation may be -performed on a byte being written to a 68k COFF file, even though 68k COFF -has no such relocation type. - -@item line numbers -Object formats can contain, for debugging purposes, some form of mapping -between symbols, source line numbers, and addresses in the output file. -These addresses have to be relocated along with the symbol information. -Each symbol with an associated list of line number records points to the -first record of the list. The head of a line number list consists of a -pointer to the symbol, which allows finding out the address of the -function whose line number is being described. The rest of the list is -made up of pairs: offsets into the section and line numbers. Any format -which can simply derive this information can pass it successfully -between formats (COFF, IEEE and Oasys). -@end table

bfdsumm.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: aoutx.texi =================================================================== --- aoutx.texi (revision 816) +++ aoutx.texi (nonexistent) @@ -1,213 +0,0 @@ -@section a.out backends - - -@strong{Description}@* -BFD supports a number of different flavours of a.out format, -though the major differences are only the sizes of the -structures on disk, and the shape of the relocation -information. - -The support is split into a basic support file @file{aoutx.h} -and other files which derive functions from the base. One -derivation file is @file{aoutf1.h} (for a.out flavour 1), and -adds to the basic a.out functions support for sun3, sun4, 386 -and 29k a.out files, to create a target jump vector for a -specific target. - -This information is further split out into more specific files -for each machine, including @file{sunos.c} for sun3 and sun4, -@file{newsos3.c} for the Sony NEWS, and @file{demo64.c} for a -demonstration of a 64 bit a.out format. - -The base file @file{aoutx.h} defines general mechanisms for -reading and writing records to and from disk and various -other methods which BFD requires. It is included by -@file{aout32.c} and @file{aout64.c} to form the names -@code{aout_32_swap_exec_header_in}, @code{aout_64_swap_exec_header_in}, etc. - -As an example, this is what goes on to make the back end for a -sun4, from @file{aout32.c}: - -@example - #define ARCH_SIZE 32 - #include "aoutx.h" -@end example - -Which exports names: - -@example - ... - aout_32_canonicalize_reloc - aout_32_find_nearest_line - aout_32_get_lineno - aout_32_get_reloc_upper_bound - ... -@end example - -from @file{sunos.c}: - -@example - #define TARGET_NAME "a.out-sunos-big" - #define VECNAME sunos_big_vec - #include "aoutf1.h" -@end example - -requires all the names from @file{aout32.c}, and produces the jump vector - -@example - sunos_big_vec -@end example - -The file @file{host-aout.c} is a special case. It is for a large set -of hosts that use ``more or less standard'' a.out files, and -for which cross-debugging is not interesting. It uses the -standard 32-bit a.out support routines, but determines the -file offsets and addresses of the text, data, and BSS -sections, the machine architecture and machine type, and the -entry point address, in a host-dependent manner. Once these -values have been determined, generic code is used to handle -the object file. - -When porting it to run on a new system, you must supply: - -@example - HOST_PAGE_SIZE - HOST_SEGMENT_SIZE - HOST_MACHINE_ARCH (optional) - HOST_MACHINE_MACHINE (optional) - HOST_TEXT_START_ADDR - HOST_STACK_END_ADDR -@end example - -in the file @file{../include/sys/h-@var{XXX}.h} (for your host). These -values, plus the structures and macros defined in @file{a.out.h} on -your host system, will produce a BFD target that will access -ordinary a.out files on your host. To configure a new machine -to use @file{host-aout.c}, specify: - -@example - TDEFAULTS = -DDEFAULT_VECTOR=host_aout_big_vec - TDEPFILES= host-aout.o trad-core.o -@end example - -in the @file{config/@var{XXX}.mt} file, and modify @file{configure.in} -to use the -@file{@var{XXX}.mt} file (by setting "@code{bfd_target=XXX}") when your -configuration is selected. - -@subsection Relocations - - -@strong{Description}@* -The file @file{aoutx.h} provides for both the @emph{standard} -and @emph{extended} forms of a.out relocation records. - -The standard records contain only an -address, a symbol index, and a type field. The extended records -(used on 29ks and sparcs) also have a full integer for an -addend. - -@subsection Internal entry points - - -@strong{Description}@* -@file{aoutx.h} exports several routines for accessing the -contents of an a.out file, which are gathered and exported in -turn by various format specific files (eg sunos.c). - -@findex aout_@var{size}_swap_exec_header_in -@subsubsection @code{aout_@var{size}_swap_exec_header_in} -@strong{Synopsis} -@example -void aout_@var{size}_swap_exec_header_in, - (bfd *abfd, - struct external_exec *bytes, - struct internal_exec *execp); -@end example -@strong{Description}@* -Swap the information in an executable header @var{raw_bytes} taken -from a raw byte stream memory image into the internal exec header -structure @var{execp}. - -@findex aout_@var{size}_swap_exec_header_out -@subsubsection @code{aout_@var{size}_swap_exec_header_out} -@strong{Synopsis} -@example -void aout_@var{size}_swap_exec_header_out - (bfd *abfd, - struct internal_exec *execp, - struct external_exec *raw_bytes); -@end example -@strong{Description}@* -Swap the information in an internal exec header structure -@var{execp} into the buffer @var{raw_bytes} ready for writing to disk. - -@findex aout_@var{size}_some_aout_object_p -@subsubsection @code{aout_@var{size}_some_aout_object_p} -@strong{Synopsis} -@example -const bfd_target *aout_@var{size}_some_aout_object_p - (bfd *abfd, - struct internal_exec *execp, - const bfd_target *(*callback_to_real_object_p) (bfd *)); -@end example -@strong{Description}@* -Some a.out variant thinks that the file open in @var{abfd} -checking is an a.out file. Do some more checking, and set up -for access if it really is. Call back to the calling -environment's "finish up" function just before returning, to -handle any last-minute setup. - -@findex aout_@var{size}_mkobject -@subsubsection @code{aout_@var{size}_mkobject} -@strong{Synopsis} -@example -bfd_boolean aout_@var{size}_mkobject, (bfd *abfd); -@end example -@strong{Description}@* -Initialize BFD @var{abfd} for use with a.out files. - -@findex aout_@var{size}_machine_type -@subsubsection @code{aout_@var{size}_machine_type} -@strong{Synopsis} -@example -enum machine_type aout_@var{size}_machine_type - (enum bfd_architecture arch, - unsigned long machine, - bfd_boolean *unknown); -@end example -@strong{Description}@* -Keep track of machine architecture and machine type for -a.out's. Return the @code{machine_type} for a particular -architecture and machine, or @code{M_UNKNOWN} if that exact architecture -and machine can't be represented in a.out format. - -If the architecture is understood, machine type 0 (default) -is always understood. - -@findex aout_@var{size}_set_arch_mach -@subsubsection @code{aout_@var{size}_set_arch_mach} -@strong{Synopsis} -@example -bfd_boolean aout_@var{size}_set_arch_mach, - (bfd *, - enum bfd_architecture arch, - unsigned long machine); -@end example -@strong{Description}@* -Set the architecture and the machine of the BFD @var{abfd} to the -values @var{arch} and @var{machine}. Verify that @var{abfd}'s format -can support the architecture required. - -@findex aout_@var{size}_new_section_hook -@subsubsection @code{aout_@var{size}_new_section_hook} -@strong{Synopsis} -@example -bfd_boolean aout_@var{size}_new_section_hook, - (bfd *abfd, - asection *newsect); -@end example -@strong{Description}@* -Called by the BFD in response to a @code{bfd_make_section} -request. -

aoutx.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: elfcode.texi =================================================================== --- elfcode.texi (revision 816) +++ elfcode.texi (nonexistent)

elfcode.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: init.texi =================================================================== --- init.texi (revision 816) +++ init.texi (nonexistent) @@ -1,16 +0,0 @@ -@section Initialization - - -@subsection Initialization functions -These are the functions that handle initializing a BFD. - -@findex bfd_init -@subsubsection @code{bfd_init} -@strong{Synopsis} -@example -void bfd_init (void); -@end example -@strong{Description}@* -This routine must be called before any other BFD function to -initialize magical internal data structures. -

init.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: doc.str =================================================================== --- doc.str (revision 816) +++ doc.str (nonexistent) @@ -1,158 +0,0 @@ -: DOCDD - skip_past_newline - get_stuff_in_command kill_bogus_lines catstr - ; - -: ENDDD - skip_past_newline - ; - -: EXAMPLE - skip_past_newline - get_stuff_in_command kill_bogus_lines do_fancy_stuff translatecomments - courierize catstr - - ; - -: INODE - "@node " catstr skip_past_newline copy_past_newline catstr - ; - -: CODE_FRAGMENT - EXAMPLE - ; - -: COMMENT - skip_past_newline - get_stuff_in_command - drop - ; - -: SYNOPSIS - skip_past_newline - "@strong{Synopsis}\n" catstr - "@example\n" catstr - get_stuff_in_command - kill_bogus_lines - indent - catstr - "@end example\n" catstr - - ; - -: func - "@findex " - a - skip_past_newline - copy_past_newline - dup - a x x - "@subsubsection @code{" - a x x b - swap - remchar - "}\n" - a x b x c - catstr catstr catstr catstr catstr - ; - -: FUNCTION - "@findex " - a - skip_past_newline - copy_past_newline - dup - a x x - "@subsubsection @code{" - a x x b - swap - remchar - "}\n" - a x b x c - catstr catstr catstr catstr catstr - ; - -: bodytext - get_stuff_in_command - bulletize - kill_bogus_lines - do_fancy_stuff - courierize - catstr - "\n" catstr - ; - -: asection - skip_past_newline - catstr - copy_past_newline - do_fancy_stuff catstr - bodytext - ; - -: SECTION - "@section " asection ; - -: SUBSECTION - "@subsection " asection ; - -: SUBSUBSECTION - "@subsubsection " asection ; - -: subhead - skip_past_newline - bodytext - ; - - - - -: DESCRIPTION - "@strong{Description}@*\n" catstr subhead ; - -: RETURNS - "@strong{Returns}@*\n" catstr subhead ; - -: INTERNAL_FUNCTION - func ; - - -: INTERNAL_DEFINITION - func ; - - -: INTERNAL - func ; - -: TYPEDEF - FUNCTION ; - -: SENUM - skip_past_newline - "Here are the possible values for @code{enum " - copy_past_newline remchar catstr - "}:\n\n" catstr catstr - ; -: ENUM - skip_past_newline - "@deffn {} " - copy_past_newline catstr catstr - ; -: ENUMX - skip_past_newline - "@deffnx {} " - copy_past_newline catstr - catstr - ; -: ENUMEQ - skip_past_newline - "@deffn {} " - copy_past_newline catstr catstr - skip_past_newline - ; -: ENUMEQX - skip_past_newline - "@deffnx {} " - copy_past_newline catstr - catstr - skip_past_newline - ; -: ENUMDOC - skip_past_newline - get_stuff_in_command - strip_trailing_newlines - catstr - "\n@end deffn\n" catstr - ; Index: makefile.vms =================================================================== --- makefile.vms (revision 816) +++ makefile.vms (nonexistent) @@ -1,5 +0,0 @@ -CFLAGS = /noopt/include=([],[-],[-.-.include]) -LDFLAGS = /nomap -LDLIBS = ,sys$$library:vaxcrtl.olb/lib - -all: chew.exe Index: libbfd.texi =================================================================== --- libbfd.texi (revision 816) +++ libbfd.texi (nonexistent) @@ -1,179 +0,0 @@ -@section Implementation details - - -@subsection Internal functions - - -@strong{Description}@* -These routines are used within BFD. -They are not intended for export, but are documented here for -completeness. - -@findex bfd_write_bigendian_4byte_int -@subsubsection @code{bfd_write_bigendian_4byte_int} -@strong{Synopsis} -@example -bfd_boolean bfd_write_bigendian_4byte_int (bfd *, unsigned int); -@end example -@strong{Description}@* -Write a 4 byte integer @var{i} to the output BFD @var{abfd}, in big -endian order regardless of what else is going on. This is useful in -archives. - -@findex bfd_put_size -@subsubsection @code{bfd_put_size} -@findex bfd_get_size -@subsubsection @code{bfd_get_size} -@strong{Description}@* -These macros as used for reading and writing raw data in -sections; each access (except for bytes) is vectored through -the target format of the BFD and mangled accordingly. The -mangling performs any necessary endian translations and -removes alignment restrictions. Note that types accepted and -returned by these macros are identical so they can be swapped -around in macros---for example, @file{libaout.h} defines @code{GET_WORD} -to either @code{bfd_get_32} or @code{bfd_get_64}. - -In the put routines, @var{val} must be a @code{bfd_vma}. If we are on a -system without prototypes, the caller is responsible for making -sure that is true, with a cast if necessary. We don't cast -them in the macro definitions because that would prevent @code{lint} -or @code{gcc -Wall} from detecting sins such as passing a pointer. -To detect calling these with less than a @code{bfd_vma}, use -@code{gcc -Wconversion} on a host with 64 bit @code{bfd_vma}'s. -@example - -/* Byte swapping macros for user section data. */ - -#define bfd_put_8(abfd, val, ptr) \ - ((void) (*((unsigned char *) (ptr)) = (val) & 0xff)) -#define bfd_put_signed_8 \ - bfd_put_8 -#define bfd_get_8(abfd, ptr) \ - (*(unsigned char *) (ptr) & 0xff) -#define bfd_get_signed_8(abfd, ptr) \ - (((*(unsigned char *) (ptr) & 0xff) ^ 0x80) - 0x80) - -#define bfd_put_16(abfd, val, ptr) \ - BFD_SEND (abfd, bfd_putx16, ((val),(ptr))) -#define bfd_put_signed_16 \ - bfd_put_16 -#define bfd_get_16(abfd, ptr) \ - BFD_SEND (abfd, bfd_getx16, (ptr)) -#define bfd_get_signed_16(abfd, ptr) \ - BFD_SEND (abfd, bfd_getx_signed_16, (ptr)) - -#define bfd_put_32(abfd, val, ptr) \ - BFD_SEND (abfd, bfd_putx32, ((val),(ptr))) -#define bfd_put_signed_32 \ - bfd_put_32 -#define bfd_get_32(abfd, ptr) \ - BFD_SEND (abfd, bfd_getx32, (ptr)) -#define bfd_get_signed_32(abfd, ptr) \ - BFD_SEND (abfd, bfd_getx_signed_32, (ptr)) - -#define bfd_put_64(abfd, val, ptr) \ - BFD_SEND (abfd, bfd_putx64, ((val), (ptr))) -#define bfd_put_signed_64 \ - bfd_put_64 -#define bfd_get_64(abfd, ptr) \ - BFD_SEND (abfd, bfd_getx64, (ptr)) -#define bfd_get_signed_64(abfd, ptr) \ - BFD_SEND (abfd, bfd_getx_signed_64, (ptr)) - -#define bfd_get(bits, abfd, ptr) \ - ((bits) == 8 ? (bfd_vma) bfd_get_8 (abfd, ptr) \ - : (bits) == 16 ? bfd_get_16 (abfd, ptr) \ - : (bits) == 32 ? bfd_get_32 (abfd, ptr) \ - : (bits) == 64 ? bfd_get_64 (abfd, ptr) \ - : (abort (), (bfd_vma) - 1)) - -#define bfd_put(bits, abfd, val, ptr) \ - ((bits) == 8 ? bfd_put_8 (abfd, val, ptr) \ - : (bits) == 16 ? bfd_put_16 (abfd, val, ptr) \ - : (bits) == 32 ? bfd_put_32 (abfd, val, ptr) \ - : (bits) == 64 ? bfd_put_64 (abfd, val, ptr) \ - : (abort (), (void) 0)) - -@end example - -@findex bfd_h_put_size -@subsubsection @code{bfd_h_put_size} -@strong{Description}@* -These macros have the same function as their @code{bfd_get_x} -brethren, except that they are used for removing information -for the header records of object files. Believe it or not, -some object files keep their header records in big endian -order and their data in little endian order. -@example - -/* Byte swapping macros for file header data. */ - -#define bfd_h_put_8(abfd, val, ptr) \ - bfd_put_8 (abfd, val, ptr) -#define bfd_h_put_signed_8(abfd, val, ptr) \ - bfd_put_8 (abfd, val, ptr) -#define bfd_h_get_8(abfd, ptr) \ - bfd_get_8 (abfd, ptr) -#define bfd_h_get_signed_8(abfd, ptr) \ - bfd_get_signed_8 (abfd, ptr) - -#define bfd_h_put_16(abfd, val, ptr) \ - BFD_SEND (abfd, bfd_h_putx16, (val, ptr)) -#define bfd_h_put_signed_16 \ - bfd_h_put_16 -#define bfd_h_get_16(abfd, ptr) \ - BFD_SEND (abfd, bfd_h_getx16, (ptr)) -#define bfd_h_get_signed_16(abfd, ptr) \ - BFD_SEND (abfd, bfd_h_getx_signed_16, (ptr)) - -#define bfd_h_put_32(abfd, val, ptr) \ - BFD_SEND (abfd, bfd_h_putx32, (val, ptr)) -#define bfd_h_put_signed_32 \ - bfd_h_put_32 -#define bfd_h_get_32(abfd, ptr) \ - BFD_SEND (abfd, bfd_h_getx32, (ptr)) -#define bfd_h_get_signed_32(abfd, ptr) \ - BFD_SEND (abfd, bfd_h_getx_signed_32, (ptr)) - -#define bfd_h_put_64(abfd, val, ptr) \ - BFD_SEND (abfd, bfd_h_putx64, (val, ptr)) -#define bfd_h_put_signed_64 \ - bfd_h_put_64 -#define bfd_h_get_64(abfd, ptr) \ - BFD_SEND (abfd, bfd_h_getx64, (ptr)) -#define bfd_h_get_signed_64(abfd, ptr) \ - BFD_SEND (abfd, bfd_h_getx_signed_64, (ptr)) - -/* Aliases for the above, which should eventually go away. */ - -#define H_PUT_64 bfd_h_put_64 -#define H_PUT_32 bfd_h_put_32 -#define H_PUT_16 bfd_h_put_16 -#define H_PUT_8 bfd_h_put_8 -#define H_PUT_S64 bfd_h_put_signed_64 -#define H_PUT_S32 bfd_h_put_signed_32 -#define H_PUT_S16 bfd_h_put_signed_16 -#define H_PUT_S8 bfd_h_put_signed_8 -#define H_GET_64 bfd_h_get_64 -#define H_GET_32 bfd_h_get_32 -#define H_GET_16 bfd_h_get_16 -#define H_GET_8 bfd_h_get_8 -#define H_GET_S64 bfd_h_get_signed_64 -#define H_GET_S32 bfd_h_get_signed_32 -#define H_GET_S16 bfd_h_get_signed_16 -#define H_GET_S8 bfd_h_get_signed_8 - - -@end example - -@findex bfd_log2 -@subsubsection @code{bfd_log2} -@strong{Synopsis} -@example -unsigned int bfd_log2 (bfd_vma x); -@end example -@strong{Description}@* -Return the log base 2 of the value supplied, rounded up. E.g., an -@var{x} of 1025 returns 11. A @var{x} of 0 returns 0. -

libbfd.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: hash.texi =================================================================== --- hash.texi (revision 816) +++ hash.texi (nonexistent) @@ -1,247 +0,0 @@ -@section Hash Tables -@cindex Hash tables -BFD provides a simple set of hash table functions. Routines -are provided to initialize a hash table, to free a hash table, -to look up a string in a hash table and optionally create an -entry for it, and to traverse a hash table. There is -currently no routine to delete an string from a hash table. - -The basic hash table does not permit any data to be stored -with a string. However, a hash table is designed to present a -base class from which other types of hash tables may be -derived. These derived types may store additional information -with the string. Hash tables were implemented in this way, -rather than simply providing a data pointer in a hash table -entry, because they were designed for use by the linker back -ends. The linker may create thousands of hash table entries, -and the overhead of allocating private data and storing and -following pointers becomes noticeable. - -The basic hash table code is in @code{hash.c}. - -@menu -* Creating and Freeing a Hash Table:: -* Looking Up or Entering a String:: -* Traversing a Hash Table:: -* Deriving a New Hash Table Type:: -@end menu - -@node Creating and Freeing a Hash Table, Looking Up or Entering a String, Hash Tables, Hash Tables -@subsection Creating and freeing a hash table -@findex bfd_hash_table_init -@findex bfd_hash_table_init_n -To create a hash table, create an instance of a @code{struct -bfd_hash_table} (defined in @code{bfd.h}) and call -@code{bfd_hash_table_init} (if you know approximately how many -entries you will need, the function @code{bfd_hash_table_init_n}, -which takes a @var{size} argument, may be used). -@code{bfd_hash_table_init} returns @code{FALSE} if some sort of -error occurs. - -@findex bfd_hash_newfunc -The function @code{bfd_hash_table_init} take as an argument a -function to use to create new entries. For a basic hash -table, use the function @code{bfd_hash_newfunc}. @xref{Deriving -a New Hash Table Type}, for why you would want to use a -different value for this argument. - -@findex bfd_hash_allocate -@code{bfd_hash_table_init} will create an objalloc which will be -used to allocate new entries. You may allocate memory on this -objalloc using @code{bfd_hash_allocate}. - -@findex bfd_hash_table_free -Use @code{bfd_hash_table_free} to free up all the memory that has -been allocated for a hash table. This will not free up the -@code{struct bfd_hash_table} itself, which you must provide. - -@findex bfd_hash_set_default_size -Use @code{bfd_hash_set_default_size} to set the default size of -hash table to use. - -@node Looking Up or Entering a String, Traversing a Hash Table, Creating and Freeing a Hash Table, Hash Tables -@subsection Looking up or entering a string -@findex bfd_hash_lookup -The function @code{bfd_hash_lookup} is used both to look up a -string in the hash table and to create a new entry. - -If the @var{create} argument is @code{FALSE}, @code{bfd_hash_lookup} -will look up a string. If the string is found, it will -returns a pointer to a @code{struct bfd_hash_entry}. If the -string is not found in the table @code{bfd_hash_lookup} will -return @code{NULL}. You should not modify any of the fields in -the returns @code{struct bfd_hash_entry}. - -If the @var{create} argument is @code{TRUE}, the string will be -entered into the hash table if it is not already there. -Either way a pointer to a @code{struct bfd_hash_entry} will be -returned, either to the existing structure or to a newly -created one. In this case, a @code{NULL} return means that an -error occurred. - -If the @var{create} argument is @code{TRUE}, and a new entry is -created, the @var{copy} argument is used to decide whether to -copy the string onto the hash table objalloc or not. If -@var{copy} is passed as @code{FALSE}, you must be careful not to -deallocate or modify the string as long as the hash table -exists. - -@node Traversing a Hash Table, Deriving a New Hash Table Type, Looking Up or Entering a String, Hash Tables -@subsection Traversing a hash table -@findex bfd_hash_traverse -The function @code{bfd_hash_traverse} may be used to traverse a -hash table, calling a function on each element. The traversal -is done in a random order. - -@code{bfd_hash_traverse} takes as arguments a function and a -generic @code{void *} pointer. The function is called with a -hash table entry (a @code{struct bfd_hash_entry *}) and the -generic pointer passed to @code{bfd_hash_traverse}. The function -must return a @code{boolean} value, which indicates whether to -continue traversing the hash table. If the function returns -@code{FALSE}, @code{bfd_hash_traverse} will stop the traversal and -return immediately. - -@node Deriving a New Hash Table Type, , Traversing a Hash Table, Hash Tables -@subsection Deriving a new hash table type -Many uses of hash tables want to store additional information -which each entry in the hash table. Some also find it -convenient to store additional information with the hash table -itself. This may be done using a derived hash table. - -Since C is not an object oriented language, creating a derived -hash table requires sticking together some boilerplate -routines with a few differences specific to the type of hash -table you want to create. - -An example of a derived hash table is the linker hash table. -The structures for this are defined in @code{bfdlink.h}. The -functions are in @code{linker.c}. - -You may also derive a hash table from an already derived hash -table. For example, the a.out linker backend code uses a hash -table derived from the linker hash table. - -@menu -* Define the Derived Structures:: -* Write the Derived Creation Routine:: -* Write Other Derived Routines:: -@end menu - -@node Define the Derived Structures, Write the Derived Creation Routine, Deriving a New Hash Table Type, Deriving a New Hash Table Type -@subsubsection Define the derived structures -You must define a structure for an entry in the hash table, -and a structure for the hash table itself. - -The first field in the structure for an entry in the hash -table must be of the type used for an entry in the hash table -you are deriving from. If you are deriving from a basic hash -table this is @code{struct bfd_hash_entry}, which is defined in -@code{bfd.h}. The first field in the structure for the hash -table itself must be of the type of the hash table you are -deriving from itself. If you are deriving from a basic hash -table, this is @code{struct bfd_hash_table}. - -For example, the linker hash table defines @code{struct -bfd_link_hash_entry} (in @code{bfdlink.h}). The first field, -@code{root}, is of type @code{struct bfd_hash_entry}. Similarly, -the first field in @code{struct bfd_link_hash_table}, @code{table}, -is of type @code{struct bfd_hash_table}. - -@node Write the Derived Creation Routine, Write Other Derived Routines, Define the Derived Structures, Deriving a New Hash Table Type -@subsubsection Write the derived creation routine -You must write a routine which will create and initialize an -entry in the hash table. This routine is passed as the -function argument to @code{bfd_hash_table_init}. - -In order to permit other hash tables to be derived from the -hash table you are creating, this routine must be written in a -standard way. - -The first argument to the creation routine is a pointer to a -hash table entry. This may be @code{NULL}, in which case the -routine should allocate the right amount of space. Otherwise -the space has already been allocated by a hash table type -derived from this one. - -After allocating space, the creation routine must call the -creation routine of the hash table type it is derived from, -passing in a pointer to the space it just allocated. This -will initialize any fields used by the base hash table. - -Finally the creation routine must initialize any local fields -for the new hash table type. - -Here is a boilerplate example of a creation routine. -@var{function_name} is the name of the routine. -@var{entry_type} is the type of an entry in the hash table you -are creating. @var{base_newfunc} is the name of the creation -routine of the hash table type your hash table is derived -from. - - -@example -struct bfd_hash_entry * -@var{function_name} (struct bfd_hash_entry *entry, - struct bfd_hash_table *table, - const char *string) -@{ - struct @var{entry_type} *ret = (@var{entry_type} *) entry; - - /* Allocate the structure if it has not already been allocated by a - derived class. */ - if (ret == NULL) - @{ - ret = bfd_hash_allocate (table, sizeof (* ret)); - if (ret == NULL) - return NULL; - @} - - /* Call the allocation method of the base class. */ - ret = ((@var{entry_type} *) - @var{base_newfunc} ((struct bfd_hash_entry *) ret, table, string)); - - /* Initialize the local fields here. */ - - return (struct bfd_hash_entry *) ret; -@} -@end example -@strong{Description}@* -The creation routine for the linker hash table, which is in -@code{linker.c}, looks just like this example. -@var{function_name} is @code{_bfd_link_hash_newfunc}. -@var{entry_type} is @code{struct bfd_link_hash_entry}. -@var{base_newfunc} is @code{bfd_hash_newfunc}, the creation -routine for a basic hash table. - -@code{_bfd_link_hash_newfunc} also initializes the local fields -in a linker hash table entry: @code{type}, @code{written} and -@code{next}. - -@node Write Other Derived Routines, , Write the Derived Creation Routine, Deriving a New Hash Table Type -@subsubsection Write other derived routines -You will want to write other routines for your new hash table, -as well. - -You will want an initialization routine which calls the -initialization routine of the hash table you are deriving from -and initializes any other local fields. For the linker hash -table, this is @code{_bfd_link_hash_table_init} in @code{linker.c}. - -You will want a lookup routine which calls the lookup routine -of the hash table you are deriving from and casts the result. -The linker hash table uses @code{bfd_link_hash_lookup} in -@code{linker.c} (this actually takes an additional argument which -it uses to decide how to return the looked up value). - -You may want a traversal routine. This should just call the -traversal routine of the hash table you are deriving from with -appropriate casts. The linker hash table uses -@code{bfd_link_hash_traverse} in @code{linker.c}. - -These routines may simply be defined as macros. For example, -the a.out backend linker hash table, which is derived from the -linker hash table, uses macros for the lookup and traversal -routines. These are @code{aout_link_hash_lookup} and -@code{aout_link_hash_traverse} in aoutx.h. -

hash.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: format.texi =================================================================== --- format.texi (revision 816) +++ format.texi (nonexistent) @@ -1,112 +0,0 @@ -@section File formats -A format is a BFD concept of high level file contents type. The -formats supported by BFD are: - -@itemize @bullet - -@item -@code{bfd_object} -@end itemize -The BFD may contain data, symbols, relocations and debug info. - -@itemize @bullet - -@item -@code{bfd_archive} -@end itemize -The BFD contains other BFDs and an optional index. - -@itemize @bullet - -@item -@code{bfd_core} -@end itemize -The BFD contains the result of an executable core dump. - -@subsection File format functions - - -@findex bfd_check_format -@subsubsection @code{bfd_check_format} -@strong{Synopsis} -@example -bfd_boolean bfd_check_format (bfd *abfd, bfd_format format); -@end example -@strong{Description}@* -Verify if the file attached to the BFD @var{abfd} is compatible -with the format @var{format} (i.e., one of @code{bfd_object}, -@code{bfd_archive} or @code{bfd_core}). - -If the BFD has been set to a specific target before the -call, only the named target and format combination is -checked. If the target has not been set, or has been set to -@code{default}, then all the known target backends is -interrogated to determine a match. If the default target -matches, it is used. If not, exactly one target must recognize -the file, or an error results. - -The function returns @code{TRUE} on success, otherwise @code{FALSE} -with one of the following error codes: - -@itemize @bullet - -@item -@code{bfd_error_invalid_operation} - -if @code{format} is not one of @code{bfd_object}, @code{bfd_archive} or -@code{bfd_core}. - -@item -@code{bfd_error_system_call} - -if an error occured during a read - even some file mismatches -can cause bfd_error_system_calls. - -@item -@code{file_not_recognised} - -none of the backends recognised the file format. - -@item -@code{bfd_error_file_ambiguously_recognized} - -more than one backend recognised the file format. -@end itemize - -@findex bfd_check_format_matches -@subsubsection @code{bfd_check_format_matches} -@strong{Synopsis} -@example -bfd_boolean bfd_check_format_matches - (bfd *abfd, bfd_format format, char ***matching); -@end example -@strong{Description}@* -Like @code{bfd_check_format}, except when it returns FALSE with -@code{bfd_errno} set to @code{bfd_error_file_ambiguously_recognized}. In that -case, if @var{matching} is not NULL, it will be filled in with -a NULL-terminated list of the names of the formats that matched, -allocated with @code{malloc}. -Then the user may choose a format and try again. - -When done with the list that @var{matching} points to, the caller -should free it. - -@findex bfd_set_format -@subsubsection @code{bfd_set_format} -@strong{Synopsis} -@example -bfd_boolean bfd_set_format (bfd *abfd, bfd_format format); -@end example -@strong{Description}@* -This function sets the file format of the BFD @var{abfd} to the -format @var{format}. If the target set in the BFD does not -support the format requested, the format is invalid, or the BFD -is not open for writing, then an error occurs. - -@findex bfd_format_string -@subsubsection @code{bfd_format_string} -@strong{Synopsis} -@example -const char *bfd_format_string (bfd_format format); -@end example -@strong{Description}@* -Return a pointer to a const string -@code{invalid}, @code{object}, @code{archive}, @code{core}, or @code{unknown}, -depending upon the value of @var{format}. -

format.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: mmo.texi =================================================================== --- mmo.texi (revision 816) +++ mmo.texi (nonexistent) @@ -1,365 +0,0 @@ -@section mmo backend -The mmo object format is used exclusively together with Professor -Donald E.@: Knuth's educational 64-bit processor MMIX. The simulator -@command{mmix} which is available at -@url{http://www-cs-faculty.stanford.edu/~knuth/programs/mmix.tar.gz} -understands this format. That package also includes a combined -assembler and linker called @command{mmixal}. The mmo format has -no advantages feature-wise compared to e.g. ELF. It is a simple -non-relocatable object format with no support for archives or -debugging information, except for symbol value information and -line numbers (which is not yet implemented in BFD). See -@url{http://www-cs-faculty.stanford.edu/~knuth/mmix.html} for more -information about MMIX. The ELF format is used for intermediate -object files in the BFD implementation. - -@c We want to xref the symbol table node. A feature in "chew" -@c requires that "commands" do not contain spaces in the -@c arguments. Hence the hyphen in "Symbol-table". -@menu -* File layout:: -* Symbol-table:: -* mmo section mapping:: -@end menu - -@node File layout, Symbol-table, mmo, mmo -@subsection File layout -The mmo file contents is not partitioned into named sections as -with e.g.@: ELF. Memory areas is formed by specifying the -location of the data that follows. Only the memory area -@samp{0x0000@dots{}00} to @samp{0x01ff@dots{}ff} is executable, so -it is used for code (and constants) and the area -@samp{0x2000@dots{}00} to @samp{0x20ff@dots{}ff} is used for -writable data. @xref{mmo section mapping}. - -There is provision for specifying ``special data'' of 65536 -different types. We use type 80 (decimal), arbitrarily chosen the -same as the ELF @code{e_machine} number for MMIX, filling it with -section information normally found in ELF objects. @xref{mmo -section mapping}. - -Contents is entered as 32-bit words, xor:ed over previous -contents, always zero-initialized. A word that starts with the -byte @samp{0x98} forms a command called a @samp{lopcode}, where -the next byte distinguished between the thirteen lopcodes. The -two remaining bytes, called the @samp{Y} and @samp{Z} fields, or -the @samp{YZ} field (a 16-bit big-endian number), are used for -various purposes different for each lopcode. As documented in -@url{http://www-cs-faculty.stanford.edu/~knuth/mmixal-intro.ps.gz}, -the lopcodes are: - -@table @code -@item lop_quote -0x98000001. The next word is contents, regardless of whether it -starts with 0x98 or not. - -@item lop_loc -0x9801YYZZ, where @samp{Z} is 1 or 2. This is a location -directive, setting the location for the next data to the next -32-bit word (for @math{Z = 1}) or 64-bit word (for @math{Z = 2}), -plus @math{Y * 2^56}. Normally @samp{Y} is 0 for the text segment -and 2 for the data segment. - -@item lop_skip -0x9802YYZZ. Increase the current location by @samp{YZ} bytes. - -@item lop_fixo -0x9803YYZZ, where @samp{Z} is 1 or 2. Store the current location -as 64 bits into the location pointed to by the next 32-bit -(@math{Z = 1}) or 64-bit (@math{Z = 2}) word, plus @math{Y * -2^56}. - -@item lop_fixr -0x9804YYZZ. @samp{YZ} is stored into the current location plus -@math{2 - 4 * YZ}. - -@item lop_fixrx -0x980500ZZ. @samp{Z} is 16 or 24. A value @samp{L} derived from -the following 32-bit word are used in a manner similar to -@samp{YZ} in lop_fixr: it is xor:ed into the current location -minus @math{4 * L}. The first byte of the word is 0 or 1. If it -is 1, then @math{L = (@var{lowest 24 bits of word}) - 2^Z}, if 0, -then @math{L = (@var{lowest 24 bits of word})}. - -@item lop_file -0x9806YYZZ. @samp{Y} is the file number, @samp{Z} is count of -32-bit words. Set the file number to @samp{Y} and the line -counter to 0. The next @math{Z * 4} bytes contain the file name, -padded with zeros if the count is not a multiple of four. The -same @samp{Y} may occur multiple times, but @samp{Z} must be 0 for -all but the first occurrence. - -@item lop_line -0x9807YYZZ. @samp{YZ} is the line number. Together with -lop_file, it forms the source location for the next 32-bit word. -Note that for each non-lopcode 32-bit word, line numbers are -assumed incremented by one. - -@item lop_spec -0x9808YYZZ. @samp{YZ} is the type number. Data until the next -lopcode other than lop_quote forms special data of type @samp{YZ}. -@xref{mmo section mapping}. - -Other types than 80, (or type 80 with a content that does not -parse) is stored in sections named @code{.MMIX.spec_data.@var{n}} -where @var{n} is the @samp{YZ}-type. The flags for such a -sections say not to allocate or load the data. The vma is 0. -Contents of multiple occurrences of special data @var{n} is -concatenated to the data of the previous lop_spec @var{n}s. The -location in data or code at which the lop_spec occurred is lost. - -@item lop_pre -0x980901ZZ. The first lopcode in a file. The @samp{Z} field forms the -length of header information in 32-bit words, where the first word -tells the time in seconds since @samp{00:00:00 GMT Jan 1 1970}. - -@item lop_post -0x980a00ZZ. @math{Z > 32}. This lopcode follows after all -content-generating lopcodes in a program. The @samp{Z} field -denotes the value of @samp{rG} at the beginning of the program. -The following @math{256 - Z} big-endian 64-bit words are loaded -into global registers @samp{$G} @dots{} @samp{$255}. - -@item lop_stab -0x980b0000. The next-to-last lopcode in a program. Must follow -immediately after the lop_post lopcode and its data. After this -lopcode follows all symbols in a compressed format -(@pxref{Symbol-table}). - -@item lop_end -0x980cYYZZ. The last lopcode in a program. It must follow the -lop_stab lopcode and its data. The @samp{YZ} field contains the -number of 32-bit words of symbol table information after the -preceding lop_stab lopcode. -@end table - -Note that the lopcode "fixups"; @code{lop_fixr}, @code{lop_fixrx} and -@code{lop_fixo} are not generated by BFD, but are handled. They are -generated by @code{mmixal}. - -This trivial one-label, one-instruction file: - -@example - :Main TRAP 1,2,3 -@end example - -can be represented this way in mmo: - -@example - 0x98090101 - lop_pre, one 32-bit word with timestamp. - - 0x98010002 - lop_loc, text segment, using a 64-bit address. - Note that mmixal does not emit this for the file above. - 0x00000000 - Address, high 32 bits. - 0x00000000 - Address, low 32 bits. - 0x98060002 - lop_file, 2 32-bit words for file-name. - 0x74657374 - "test" - 0x2e730000 - ".s\0\0" - 0x98070001 - lop_line, line 1. - 0x00010203 - TRAP 1,2,3 - 0x980a00ff - lop_post, setting $255 to 0. - 0x00000000 - 0x00000000 - 0x980b0000 - lop_stab for ":Main" = 0, serial 1. - 0x203a4040 @xref{Symbol-table}. - 0x10404020 - 0x4d206120 - 0x69016e00 - 0x81000000 - 0x980c0005 - lop_end; symbol table contained five 32-bit words. -@end example -@node Symbol-table, mmo section mapping, File layout, mmo -@subsection Symbol table format -From mmixal.w (or really, the generated mmixal.tex) in -@url{http://www-cs-faculty.stanford.edu/~knuth/programs/mmix.tar.gz}): -``Symbols are stored and retrieved by means of a @samp{ternary -search trie}, following ideas of Bentley and Sedgewick. (See -ACM--SIAM Symp.@: on Discrete Algorithms @samp{8} (1997), 360--369; -R.@:Sedgewick, @samp{Algorithms in C} (Reading, Mass.@: -Addison--Wesley, 1998), @samp{15.4}.) Each trie node stores a -character, and there are branches to subtries for the cases where -a given character is less than, equal to, or greater than the -character in the trie. There also is a pointer to a symbol table -entry if a symbol ends at the current node.'' - -So it's a tree encoded as a stream of bytes. The stream of bytes -acts on a single virtual global symbol, adding and removing -characters and signalling complete symbol points. Here, we read -the stream and create symbols at the completion points. - -First, there's a control byte @code{m}. If any of the listed bits -in @code{m} is nonzero, we execute what stands at the right, in -the listed order: - -@example - (MMO3_LEFT) - 0x40 - Traverse left trie. - (Read a new command byte and recurse.) - - (MMO3_SYMBITS) - 0x2f - Read the next byte as a character and store it in the - current character position; increment character position. - Test the bits of @code{m}: - - (MMO3_WCHAR) - 0x80 - The character is 16-bit (so read another byte, - merge into current character. - - (MMO3_TYPEBITS) - 0xf - We have a complete symbol; parse the type, value - and serial number and do what should be done - with a symbol. The type and length information - is in j = (m & 0xf). - - (MMO3_REGQUAL_BITS) - j == 0xf: A register variable. The following - byte tells which register. - j <= 8: An absolute symbol. Read j bytes as the - big-endian number the symbol equals. - A j = 2 with two zero bytes denotes an - unknown symbol. - j > 8: As with j <= 8, but add (0x20 << 56) - to the value in the following j - 8 - bytes. - - Then comes the serial number, as a variant of - uleb128, but better named ubeb128: - Read bytes and shift the previous value left 7 - (multiply by 128). Add in the new byte, repeat - until a byte has bit 7 set. The serial number - is the computed value minus 128. - - (MMO3_MIDDLE) - 0x20 - Traverse middle trie. (Read a new command byte - and recurse.) Decrement character position. - - (MMO3_RIGHT) - 0x10 - Traverse right trie. (Read a new command byte and - recurse.) -@end example - -Let's look again at the @code{lop_stab} for the trivial file -(@pxref{File layout}). - -@example - 0x980b0000 - lop_stab for ":Main" = 0, serial 1. - 0x203a4040 - 0x10404020 - 0x4d206120 - 0x69016e00 - 0x81000000 -@end example - -This forms the trivial trie (note that the path between ``:'' and -``M'' is redundant): - -@example - 203a ":" - 40 / - 40 / - 10 \ - 40 / - 40 / - 204d "M" - 2061 "a" - 2069 "i" - 016e "n" is the last character in a full symbol, and - with a value represented in one byte. - 00 The value is 0. - 81 The serial number is 1. -@end example - -@node mmo section mapping, , Symbol-table, mmo -@subsection mmo section mapping -The implementation in BFD uses special data type 80 (decimal) to -encapsulate and describe named sections, containing e.g.@: debug -information. If needed, any datum in the encapsulation will be -quoted using lop_quote. First comes a 32-bit word holding the -number of 32-bit words containing the zero-terminated zero-padded -segment name. After the name there's a 32-bit word holding flags -describing the section type. Then comes a 64-bit big-endian word -with the section length (in bytes), then another with the section -start address. Depending on the type of section, the contents -might follow, zero-padded to 32-bit boundary. For a loadable -section (such as data or code), the contents might follow at some -later point, not necessarily immediately, as a lop_loc with the -same start address as in the section description, followed by the -contents. This in effect forms a descriptor that must be emitted -before the actual contents. Sections described this way must not -overlap. - -For areas that don't have such descriptors, synthetic sections are -formed by BFD. Consecutive contents in the two memory areas -@samp{0x0000@dots{}00} to @samp{0x01ff@dots{}ff} and -@samp{0x2000@dots{}00} to @samp{0x20ff@dots{}ff} are entered in -sections named @code{.text} and @code{.data} respectively. If an area -is not otherwise described, but would together with a neighboring -lower area be less than @samp{0x40000000} bytes long, it is joined -with the lower area and the gap is zero-filled. For other cases, -a new section is formed, named @code{.MMIX.sec.@var{n}}. Here, -@var{n} is a number, a running count through the mmo file, -starting at 0. - -A loadable section specified as: - -@example - .section secname,"ax" - TETRA 1,2,3,4,-1,-2009 - BYTE 80 -@end example - -and linked to address @samp{0x4}, is represented by the sequence: - -@example - 0x98080050 - lop_spec 80 - 0x00000002 - two 32-bit words for the section name - 0x7365636e - "secn" - 0x616d6500 - "ame\0" - 0x00000033 - flags CODE, READONLY, LOAD, ALLOC - 0x00000000 - high 32 bits of section length - 0x0000001c - section length is 28 bytes; 6 * 4 + 1 + alignment to 32 bits - 0x00000000 - high 32 bits of section address - 0x00000004 - section address is 4 - 0x98010002 - 64 bits with address of following data - 0x00000000 - high 32 bits of address - 0x00000004 - low 32 bits: data starts at address 4 - 0x00000001 - 1 - 0x00000002 - 2 - 0x00000003 - 3 - 0x00000004 - 4 - 0xffffffff - -1 - 0xfffff827 - -2009 - 0x50000000 - 80 as a byte, padded with zeros. -@end example - -Note that the lop_spec wrapping does not include the section -contents. Compare this to a non-loaded section specified as: - -@example - .section thirdsec - TETRA 200001,100002 - BYTE 38,40 -@end example - -This, when linked to address @samp{0x200000000000001c}, is -represented by: - -@example - 0x98080050 - lop_spec 80 - 0x00000002 - two 32-bit words for the section name - 0x7365636e - "thir" - 0x616d6500 - "dsec" - 0x00000010 - flag READONLY - 0x00000000 - high 32 bits of section length - 0x0000000c - section length is 12 bytes; 2 * 4 + 2 + alignment to 32 bits - 0x20000000 - high 32 bits of address - 0x0000001c - low 32 bits of address 0x200000000000001c - 0x00030d41 - 200001 - 0x000186a2 - 100002 - 0x26280000 - 38, 40 as bytes, padded with zeros -@end example - -For the latter example, the section contents must not be -loaded in memory, and is therefore specified as part of the -special data. The address is usually unimportant but might -provide information for e.g.@: the DWARF 2 debugging format.

mmo.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: header.sed =================================================================== --- header.sed (revision 816) +++ header.sed (nonexistent) @@ -1,13 +0,0 @@ -s|[ ][ ]*| |g -s|\(.*\) [^ ]*header.sed.*|\1| -s|[^ ]*/||g -s|^ *|"| -s| |", "|g -s|$|"| -s|, \([^ ]*\)$| and \1| -s|^|/* DO NOT EDIT! -*- buffer-read-only: t -*- This file is automatically generated from | -s|\(.\{60\}[^ ]* \)|\1\ - |g -s|$|.\ - Run "make headers" in your build bfd/ to regenerate. */\ -| Index: opncls.texi =================================================================== --- opncls.texi (revision 816) +++ opncls.texi (nonexistent) @@ -1,372 +0,0 @@ -@section Opening and closing BFDs - - -@subsection Functions for opening and closing - - -@findex bfd_fopen -@subsubsection @code{bfd_fopen} -@strong{Synopsis} -@example -bfd *bfd_fopen (const char *filename, const char *target, - const char *mode, int fd); -@end example -@strong{Description}@* -Open the file @var{filename} with the target @var{target}. -Return a pointer to the created BFD. If @var{fd} is not -1, -then @code{fdopen} is used to open the file; otherwise, @code{fopen} -is used. @var{mode} is passed directly to @code{fopen} or -@code{fdopen}. - -Calls @code{bfd_find_target}, so @var{target} is interpreted as by -that function. - -The new BFD is marked as cacheable iff @var{fd} is -1. - -If @code{NULL} is returned then an error has occured. Possible errors -are @code{bfd_error_no_memory}, @code{bfd_error_invalid_target} or -@code{system_call} error. - -@findex bfd_openr -@subsubsection @code{bfd_openr} -@strong{Synopsis} -@example -bfd *bfd_openr (const char *filename, const char *target); -@end example -@strong{Description}@* -Open the file @var{filename} (using @code{fopen}) with the target -@var{target}. Return a pointer to the created BFD. - -Calls @code{bfd_find_target}, so @var{target} is interpreted as by -that function. - -If @code{NULL} is returned then an error has occured. Possible errors -are @code{bfd_error_no_memory}, @code{bfd_error_invalid_target} or -@code{system_call} error. - -@findex bfd_fdopenr -@subsubsection @code{bfd_fdopenr} -@strong{Synopsis} -@example -bfd *bfd_fdopenr (const char *filename, const char *target, int fd); -@end example -@strong{Description}@* -@code{bfd_fdopenr} is to @code{bfd_fopenr} much like @code{fdopen} is to -@code{fopen}. It opens a BFD on a file already described by the -@var{fd} supplied. - -When the file is later @code{bfd_close}d, the file descriptor will -be closed. If the caller desires that this file descriptor be -cached by BFD (opened as needed, closed as needed to free -descriptors for other opens), with the supplied @var{fd} used as -an initial file descriptor (but subject to closure at any time), -call bfd_set_cacheable(bfd, 1) on the returned BFD. The default -is to assume no caching; the file descriptor will remain open -until @code{bfd_close}, and will not be affected by BFD operations -on other files. - -Possible errors are @code{bfd_error_no_memory}, -@code{bfd_error_invalid_target} and @code{bfd_error_system_call}. - -@findex bfd_openstreamr -@subsubsection @code{bfd_openstreamr} -@strong{Synopsis} -@example -bfd *bfd_openstreamr (const char *, const char *, void *); -@end example -@strong{Description}@* -Open a BFD for read access on an existing stdio stream. When -the BFD is passed to @code{bfd_close}, the stream will be closed. - -@findex bfd_openr_iovec -@subsubsection @code{bfd_openr_iovec} -@strong{Synopsis} -@example -bfd *bfd_openr_iovec (const char *filename, const char *target, - void *(*open) (struct bfd *nbfd, - void *open_closure), - void *open_closure, - file_ptr (*pread) (struct bfd *nbfd, - void *stream, - void *buf, - file_ptr nbytes, - file_ptr offset), - int (*close) (struct bfd *nbfd, - void *stream), - int (*stat) (struct bfd *abfd, - void *stream, - struct stat *sb)); -@end example -@strong{Description}@* -Create and return a BFD backed by a read-only @var{stream}. -The @var{stream} is created using @var{open}, accessed using -@var{pread} and destroyed using @var{close}. - -Calls @code{bfd_find_target}, so @var{target} is interpreted as by -that function. - -Calls @var{open} (which can call @code{bfd_zalloc} and -@code{bfd_get_filename}) to obtain the read-only stream backing -the BFD. @var{open} either succeeds returning the -non-@code{NULL} @var{stream}, or fails returning @code{NULL} -(setting @code{bfd_error}). - -Calls @var{pread} to request @var{nbytes} of data from -@var{stream} starting at @var{offset} (e.g., via a call to -@code{bfd_read}). @var{pread} either succeeds returning the -number of bytes read (which can be less than @var{nbytes} when -end-of-file), or fails returning -1 (setting @code{bfd_error}). - -Calls @var{close} when the BFD is later closed using -@code{bfd_close}. @var{close} either succeeds returning 0, or -fails returning -1 (setting @code{bfd_error}). - -Calls @var{stat} to fill in a stat structure for bfd_stat, -bfd_get_size, and bfd_get_mtime calls. @var{stat} returns 0 -on success, or returns -1 on failure (setting @code{bfd_error}). - -If @code{bfd_openr_iovec} returns @code{NULL} then an error has -occurred. Possible errors are @code{bfd_error_no_memory}, -@code{bfd_error_invalid_target} and @code{bfd_error_system_call}. - -@findex bfd_openw -@subsubsection @code{bfd_openw} -@strong{Synopsis} -@example -bfd *bfd_openw (const char *filename, const char *target); -@end example -@strong{Description}@* -Create a BFD, associated with file @var{filename}, using the -file format @var{target}, and return a pointer to it. - -Possible errors are @code{bfd_error_system_call}, @code{bfd_error_no_memory}, -@code{bfd_error_invalid_target}. - -@findex bfd_close -@subsubsection @code{bfd_close} -@strong{Synopsis} -@example -bfd_boolean bfd_close (bfd *abfd); -@end example -@strong{Description}@* -Close a BFD. If the BFD was open for writing, then pending -operations are completed and the file written out and closed. -If the created file is executable, then @code{chmod} is called -to mark it as such. - -All memory attached to the BFD is released. - -The file descriptor associated with the BFD is closed (even -if it was passed in to BFD by @code{bfd_fdopenr}). - -@strong{Returns}@* -@code{TRUE} is returned if all is ok, otherwise @code{FALSE}. - -@findex bfd_close_all_done -@subsubsection @code{bfd_close_all_done} -@strong{Synopsis} -@example -bfd_boolean bfd_close_all_done (bfd *); -@end example -@strong{Description}@* -Close a BFD. Differs from @code{bfd_close} since it does not -complete any pending operations. This routine would be used -if the application had just used BFD for swapping and didn't -want to use any of the writing code. - -If the created file is executable, then @code{chmod} is called -to mark it as such. - -All memory attached to the BFD is released. - -@strong{Returns}@* -@code{TRUE} is returned if all is ok, otherwise @code{FALSE}. - -@findex bfd_create -@subsubsection @code{bfd_create} -@strong{Synopsis} -@example -bfd *bfd_create (const char *filename, bfd *templ); -@end example -@strong{Description}@* -Create a new BFD in the manner of @code{bfd_openw}, but without -opening a file. The new BFD takes the target from the target -used by @var{template}. The format is always set to @code{bfd_object}. - -@findex bfd_make_writable -@subsubsection @code{bfd_make_writable} -@strong{Synopsis} -@example -bfd_boolean bfd_make_writable (bfd *abfd); -@end example -@strong{Description}@* -Takes a BFD as created by @code{bfd_create} and converts it -into one like as returned by @code{bfd_openw}. It does this -by converting the BFD to BFD_IN_MEMORY. It's assumed that -you will call @code{bfd_make_readable} on this bfd later. - -@strong{Returns}@* -@code{TRUE} is returned if all is ok, otherwise @code{FALSE}. - -@findex bfd_make_readable -@subsubsection @code{bfd_make_readable} -@strong{Synopsis} -@example -bfd_boolean bfd_make_readable (bfd *abfd); -@end example -@strong{Description}@* -Takes a BFD as created by @code{bfd_create} and -@code{bfd_make_writable} and converts it into one like as -returned by @code{bfd_openr}. It does this by writing the -contents out to the memory buffer, then reversing the -direction. - -@strong{Returns}@* -@code{TRUE} is returned if all is ok, otherwise @code{FALSE}. - -@findex bfd_alloc -@subsubsection @code{bfd_alloc} -@strong{Synopsis} -@example -void *bfd_alloc (bfd *abfd, bfd_size_type wanted); -@end example -@strong{Description}@* -Allocate a block of @var{wanted} bytes of memory attached to -@code{abfd} and return a pointer to it. - -@findex bfd_alloc2 -@subsubsection @code{bfd_alloc2} -@strong{Synopsis} -@example -void *bfd_alloc2 (bfd *abfd, bfd_size_type nmemb, bfd_size_type size); -@end example -@strong{Description}@* -Allocate a block of @var{nmemb} elements of @var{size} bytes each -of memory attached to @code{abfd} and return a pointer to it. - -@findex bfd_zalloc -@subsubsection @code{bfd_zalloc} -@strong{Synopsis} -@example -void *bfd_zalloc (bfd *abfd, bfd_size_type wanted); -@end example -@strong{Description}@* -Allocate a block of @var{wanted} bytes of zeroed memory -attached to @code{abfd} and return a pointer to it. - -@findex bfd_zalloc2 -@subsubsection @code{bfd_zalloc2} -@strong{Synopsis} -@example -void *bfd_zalloc2 (bfd *abfd, bfd_size_type nmemb, bfd_size_type size); -@end example -@strong{Description}@* -Allocate a block of @var{nmemb} elements of @var{size} bytes each -of zeroed memory attached to @code{abfd} and return a pointer to it. - -@findex bfd_calc_gnu_debuglink_crc32 -@subsubsection @code{bfd_calc_gnu_debuglink_crc32} -@strong{Synopsis} -@example -unsigned long bfd_calc_gnu_debuglink_crc32 - (unsigned long crc, const unsigned char *buf, bfd_size_type len); -@end example -@strong{Description}@* -Computes a CRC value as used in the .gnu_debuglink section. -Advances the previously computed @var{crc} value by computing -and adding in the crc32 for @var{len} bytes of @var{buf}. - -@strong{Returns}@* -Return the updated CRC32 value. - -@findex get_debug_link_info -@subsubsection @code{get_debug_link_info} -@strong{Synopsis} -@example -char *get_debug_link_info (bfd *abfd, unsigned long *crc32_out); -@end example -@strong{Description}@* -fetch the filename and CRC32 value for any separate debuginfo -associated with @var{abfd}. Return NULL if no such info found, -otherwise return filename and update @var{crc32_out}. - -@findex separate_debug_file_exists -@subsubsection @code{separate_debug_file_exists} -@strong{Synopsis} -@example -bfd_boolean separate_debug_file_exists - (char *name, unsigned long crc32); -@end example -@strong{Description}@* -Checks to see if @var{name} is a file and if its contents -match @var{crc32}. - -@findex find_separate_debug_file -@subsubsection @code{find_separate_debug_file} -@strong{Synopsis} -@example -char *find_separate_debug_file (bfd *abfd); -@end example -@strong{Description}@* -Searches @var{abfd} for a reference to separate debugging -information, scans various locations in the filesystem, including -the file tree rooted at @var{debug_file_directory}, and returns a -filename of such debugging information if the file is found and has -matching CRC32. Returns NULL if no reference to debugging file -exists, or file cannot be found. - -@findex bfd_follow_gnu_debuglink -@subsubsection @code{bfd_follow_gnu_debuglink} -@strong{Synopsis} -@example -char *bfd_follow_gnu_debuglink (bfd *abfd, const char *dir); -@end example -@strong{Description}@* -Takes a BFD and searches it for a .gnu_debuglink section. If this -section is found, it examines the section for the name and checksum -of a '.debug' file containing auxiliary debugging information. It -then searches the filesystem for this .debug file in some standard -locations, including the directory tree rooted at @var{dir}, and if -found returns the full filename. - -If @var{dir} is NULL, it will search a default path configured into -libbfd at build time. [XXX this feature is not currently -implemented]. - -@strong{Returns}@* -@code{NULL} on any errors or failure to locate the .debug file, -otherwise a pointer to a heap-allocated string containing the -filename. The caller is responsible for freeing this string. - -@findex bfd_create_gnu_debuglink_section -@subsubsection @code{bfd_create_gnu_debuglink_section} -@strong{Synopsis} -@example -struct bfd_section *bfd_create_gnu_debuglink_section - (bfd *abfd, const char *filename); -@end example -@strong{Description}@* -Takes a @var{BFD} and adds a .gnu_debuglink section to it. The section is sized -to be big enough to contain a link to the specified @var{filename}. - -@strong{Returns}@* -A pointer to the new section is returned if all is ok. Otherwise @code{NULL} is -returned and bfd_error is set. - -@findex bfd_fill_in_gnu_debuglink_section -@subsubsection @code{bfd_fill_in_gnu_debuglink_section} -@strong{Synopsis} -@example -bfd_boolean bfd_fill_in_gnu_debuglink_section - (bfd *abfd, struct bfd_section *sect, const char *filename); -@end example -@strong{Description}@* -Takes a @var{BFD} and containing a .gnu_debuglink section @var{SECT} -and fills in the contents of the section to contain a link to the -specified @var{filename}. The filename should be relative to the -current directory. - -@strong{Returns}@* -@code{TRUE} is returned if all is ok. Otherwise @code{FALSE} is returned -and bfd_error is set. -

opncls.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property Index: proto.str =================================================================== --- proto.str (revision 816) +++ proto.str (nonexistent) @@ -1,135 +0,0 @@ - -: SYNOPSIS - skip_past_newline - get_stuff_in_command - paramstuff - indent - maybecatstr -; - -: ignore - skip_past_newline - get_stuff_in_command - outputdots - maybecatstr - ; - -: CODE_FRAGMENT - ignore ; - -: external - 0 internalmode ignore ; - -: internal - 1 internalmode ignore ; - -- input stack { a b } output b if internal, a if external -: ifinternal - "" swap 1 internalmode maybecatstr - swap - "" swap 0 internalmode maybecatstr - catstr - ; - -- Put note in output string, regardless of internal mode. -: COMMENT - skip_past_newline - get_stuff_in_command - translatecomments - catstr - ; - -- SENUM enum-type-name -- ENUM enum-name -- ENUMX addl-enum-name -- ENUMDOC doc for preceding enums -- ENDSENUM max-enum-name - -: make_enum_header - dup - "enum " swap catstr - " {\n" catstr - swap " _dummy_first_" swap catstr catstr - ",\n" catstr - ; -: make_string_table_header - dup - "#ifdef _BFD_MAKE_TABLE_" swap catstr swap - "\n\nstatic const char *const " swap catstr catstr - "_names[] = { \"@@uninitialized@@\",\n" catstr - ; -: SENUM - skip_past_newline - copy_past_newline - remchar - dup - make_enum_header - swap - make_string_table_header - ifinternal - catstr - get_stuff_in_command catstr - translatecomments ; -: ENDSENUM - skip_past_newline - copy_past_newline strip_trailing_newlines - dup - " " swap catstr " };\n" catstr swap - " \"@@overflow: " swap catstr "@@\",\n};\n#endif\n\n" catstr - ifinternal - catstr - ; -: make_enumerator - " " swap catstr - ",\n" catstr - ; -: make_enumerator_string - " \"" swap catstr - "\",\n" catstr - ; -: ENUM - skip_past_newline - copy_past_newline - remchar - dup - make_enumerator - swap - make_enumerator_string - ifinternal - ; -: ENUMX ENUM catstr ; -: ENUMEQ - skip_past_newline - "#define " - copy_past_newline remchar - catstr - " " - catstr - copy_past_newline - catstr - "" swap 0 internalmode maybecatstr - ; -: ENUMEQX ENUMEQ catstr ; -: ENUMDOC - skip_past_newline - get_stuff_in_command - strip_trailing_newlines - "\n{* " swap catstr " *}\n" catstr - translatecomments - - discard it if we're doing internal mode - "" swap 0 internalmode maybecatstr - swap - catstr catstr - ; -: ENDDD external ; -: SECTION ignore ; -: SUBSECTION ignore ; -: SUBSUBSECTION ignore ; -: INTERNAL_DEFINITION internal ; -: DESCRIPTION ignore ; -: FUNCTION external ; -: RETURNS ignore ; -: TYPEDEF external ; -: INTERNAL_FUNCTION internal ; -: INTERNAL internal ; -: INODE ignore ; Index: cache.texi =================================================================== --- cache.texi (revision 816) +++ cache.texi (nonexistent) @@ -1,65 +0,0 @@ -@section File caching -The file caching mechanism is embedded within BFD and allows -the application to open as many BFDs as it wants without -regard to the underlying operating system's file descriptor -limit (often as low as 20 open files). The module in -@code{cache.c} maintains a least recently used list of -@code{BFD_CACHE_MAX_OPEN} files, and exports the name -@code{bfd_cache_lookup}, which runs around and makes sure that -the required BFD is open. If not, then it chooses a file to -close, closes it and opens the one wanted, returning its file -handle. - -@subsection Caching functions - - -@findex bfd_cache_init -@subsubsection @code{bfd_cache_init} -@strong{Synopsis} -@example -bfd_boolean bfd_cache_init (bfd *abfd); -@end example -@strong{Description}@* -Add a newly opened BFD to the cache. - -@findex bfd_cache_close -@subsubsection @code{bfd_cache_close} -@strong{Synopsis} -@example -bfd_boolean bfd_cache_close (bfd *abfd); -@end example -@strong{Description}@* -Remove the BFD @var{abfd} from the cache. If the attached file is open, -then close it too. - -@strong{Returns}@* -@code{FALSE} is returned if closing the file fails, @code{TRUE} is -returned if all is well. - -@findex bfd_cache_close_all -@subsubsection @code{bfd_cache_close_all} -@strong{Synopsis} -@example -bfd_boolean bfd_cache_close_all (void); -@end example -@strong{Description}@* -Remove all BFDs from the cache. If the attached file is open, -then close it too. - -@strong{Returns}@* -@code{FALSE} is returned if closing one of the file fails, @code{TRUE} is -returned if all is well. - -@findex bfd_open_file -@subsubsection @code{bfd_open_file} -@strong{Synopsis} -@example -FILE* bfd_open_file (bfd *abfd); -@end example -@strong{Description}@* -Call the OS to open a file for @var{abfd}. Return the @code{FILE *} -(possibly @code{NULL}) that results from this operation. Set up the -BFD so that future accesses know the file is open. If the @code{FILE *} -returned is @code{NULL}, then it won't have been put in the -cache, so it won't have to be removed from it. -

cache.texi Property changes : Deleted: svn:eol-style ## -1 +0,0 ## -native \ No newline at end of property Deleted: svn:keywords ## -1 +0,0 ## -Id \ No newline at end of property