| Line 1... |
Line 1... |
/* Mach-O support for BFD.
|
/* Mach-O support for BFD.
|
Copyright 1999, 2000, 2001, 2002, 2003, 2005, 2007, 2008, 2009
|
Copyright 1999, 2000, 2001, 2002, 2003, 2005, 2007, 2008, 2009, 2011,
|
|
2012
|
Free Software Foundation, Inc.
|
Free Software Foundation, Inc.
|
|
|
This file is part of BFD, the Binary File Descriptor library.
|
This file is part of BFD, the Binary File Descriptor library.
|
|
|
This program is free software; you can redistribute it and/or modify
|
This program is free software; you can redistribute it and/or modify
|
| Line 39... |
Line 40... |
unsigned int version;
|
unsigned int version;
|
enum bfd_endian byteorder;
|
enum bfd_endian byteorder;
|
}
|
}
|
bfd_mach_o_header;
|
bfd_mach_o_header;
|
|
|
|
typedef struct bfd_mach_o_asymbol
|
|
{
|
|
/* The actual symbol which the rest of BFD works with. */
|
|
asymbol symbol;
|
|
|
|
/* Mach-O symbol fields. */
|
|
unsigned char n_type;
|
|
unsigned char n_sect;
|
|
unsigned short n_desc;
|
|
}
|
|
bfd_mach_o_asymbol;
|
|
|
#define BFD_MACH_O_SEGNAME_SIZE 16
|
#define BFD_MACH_O_SEGNAME_SIZE 16
|
#define BFD_MACH_O_SECTNAME_SIZE 16
|
#define BFD_MACH_O_SECTNAME_SIZE 16
|
|
|
typedef struct bfd_mach_o_section
|
typedef struct bfd_mach_o_section
|
{
|
{
|
| Line 61... |
Line 74... |
unsigned long reserved3;
|
unsigned long reserved3;
|
|
|
/* Corresponding bfd section. */
|
/* Corresponding bfd section. */
|
asection *bfdsection;
|
asection *bfdsection;
|
|
|
|
/* An array holding the indirect symbols for this section.
|
|
NULL values indicate local symbols.
|
|
The number of symbols is determined from the section size and type. */
|
|
|
|
bfd_mach_o_asymbol **indirect_syms;
|
|
|
/* Simply linked list. */
|
/* Simply linked list. */
|
struct bfd_mach_o_section *next;
|
struct bfd_mach_o_section *next;
|
}
|
}
|
bfd_mach_o_section;
|
bfd_mach_o_section;
|
|
|
typedef struct bfd_mach_o_segment_command
|
typedef struct bfd_mach_o_segment_command
|
{
|
{
|
char segname[16 + 1];
|
char segname[BFD_MACH_O_SEGNAME_SIZE + 1];
|
bfd_vma vmaddr;
|
bfd_vma vmaddr;
|
bfd_vma vmsize;
|
bfd_vma vmsize;
|
bfd_vma fileoff;
|
bfd_vma fileoff;
|
unsigned long filesize;
|
unsigned long filesize;
|
unsigned long maxprot; /* Maximum permitted protection. */
|
unsigned long maxprot; /* Maximum permitted protection. */
|
| Line 102... |
Line 121... |
unsigned int r_length : 2;
|
unsigned int r_length : 2;
|
unsigned int r_extern : 1;
|
unsigned int r_extern : 1;
|
}
|
}
|
bfd_mach_o_reloc_info;
|
bfd_mach_o_reloc_info;
|
|
|
typedef struct bfd_mach_o_asymbol
|
/* The symbol table is sorted like this:
|
{
|
(1) local.
|
/* The actual symbol which the rest of BFD works with. */
|
(otherwise in order of generation)
|
asymbol symbol;
|
(2) external defined
|
|
(sorted by name)
|
/* Fields from Mach-O symbol. */
|
(3) external undefined / common
|
unsigned char n_type;
|
(sorted by name)
|
unsigned char n_sect;
|
*/
|
unsigned short n_desc;
|
|
}
|
|
bfd_mach_o_asymbol;
|
|
|
|
typedef struct bfd_mach_o_symtab_command
|
typedef struct bfd_mach_o_symtab_command
|
{
|
{
|
unsigned int symoff;
|
unsigned int symoff;
|
unsigned int nsyms;
|
unsigned int nsyms;
|
| Line 436... |
Line 452... |
unsigned long str_len;
|
unsigned long str_len;
|
char *str;
|
char *str;
|
}
|
}
|
bfd_mach_o_str_command;
|
bfd_mach_o_str_command;
|
|
|
|
typedef struct bfd_mach_o_fvmlib_command
|
|
{
|
|
unsigned int name_offset;
|
|
unsigned int name_len;
|
|
char *name_str;
|
|
unsigned int minor_version;
|
|
unsigned int header_addr;
|
|
}
|
|
bfd_mach_o_fvmlib_command;
|
|
|
typedef struct bfd_mach_o_dyld_info_command
|
typedef struct bfd_mach_o_dyld_info_command
|
{
|
{
|
/* File offset and size to rebase info. */
|
/* File offset and size to rebase info. */
|
unsigned int rebase_off;
|
unsigned int rebase_off;
|
unsigned int rebase_size;
|
unsigned int rebase_size;
|
| Line 469... |
Line 495... |
unsigned char min;
|
unsigned char min;
|
unsigned int reserved;
|
unsigned int reserved;
|
}
|
}
|
bfd_mach_o_version_min_command;
|
bfd_mach_o_version_min_command;
|
|
|
|
typedef struct bfd_mach_o_encryption_info_command
|
|
{
|
|
unsigned int cryptoff;
|
|
unsigned int cryptsize;
|
|
unsigned int cryptid;
|
|
}
|
|
bfd_mach_o_encryption_info_command;
|
|
|
typedef struct bfd_mach_o_load_command
|
typedef struct bfd_mach_o_load_command
|
{
|
{
|
bfd_mach_o_load_command_type type;
|
bfd_mach_o_load_command_type type;
|
bfd_boolean type_required;
|
bfd_boolean type_required;
|
unsigned int offset;
|
unsigned int offset;
|
| Line 489... |
Line 523... |
bfd_mach_o_uuid_command uuid;
|
bfd_mach_o_uuid_command uuid;
|
bfd_mach_o_linkedit_command linkedit;
|
bfd_mach_o_linkedit_command linkedit;
|
bfd_mach_o_str_command str;
|
bfd_mach_o_str_command str;
|
bfd_mach_o_dyld_info_command dyld_info;
|
bfd_mach_o_dyld_info_command dyld_info;
|
bfd_mach_o_version_min_command version_min;
|
bfd_mach_o_version_min_command version_min;
|
|
bfd_mach_o_encryption_info_command encryption_info;
|
|
bfd_mach_o_fvmlib_command fvmlib;
|
}
|
}
|
command;
|
command;
|
}
|
}
|
bfd_mach_o_load_command;
|
bfd_mach_o_load_command;
|
|
|
| Line 505... |
Line 541... |
|
|
/* Flatten array of sections. The array is 0-based. */
|
/* Flatten array of sections. The array is 0-based. */
|
unsigned long nsects;
|
unsigned long nsects;
|
bfd_mach_o_section **sections;
|
bfd_mach_o_section **sections;
|
|
|
/* Used while writting: current length of the output file. This is used
|
/* Used while writing: current length of the output file. This is used
|
to allocate space in the file. */
|
to allocate space in the file. */
|
ufile_ptr filelen;
|
ufile_ptr filelen;
|
|
|
/* As symtab is referenced by other load command, it is handy to have
|
/* As symtab is referenced by other load command, it is handy to have
|
a direct access to it. Although it is not clearly stated, only one symtab
|
a direct access to it. Although it is not clearly stated, only one symtab
|
is expected. */
|
is expected. */
|
bfd_mach_o_symtab_command *symtab;
|
bfd_mach_o_symtab_command *symtab;
|
bfd_mach_o_dysymtab_command *dysymtab;
|
bfd_mach_o_dysymtab_command *dysymtab;
|
|
|
|
/* A place to stash dwarf2 info for this bfd. */
|
|
void *dwarf2_find_line_info;
|
|
|
|
/* BFD of .dSYM file. */
|
|
bfd *dsym_bfd;
|
|
|
|
/* Cache of dynamic relocs. */
|
|
arelent *dyn_reloc_cache;
|
}
|
}
|
bfd_mach_o_data_struct;
|
bfd_mach_o_data_struct;
|
|
|
/* Target specific routines. */
|
typedef struct bfd_mach_o_xlat_name
|
typedef struct bfd_mach_o_backend_data
|
|
{
|
{
|
enum bfd_architecture arch;
|
const char *name;
|
bfd_boolean (*_bfd_mach_o_swap_reloc_in)(arelent *, bfd_mach_o_reloc_info *);
|
unsigned long val;
|
bfd_boolean (*_bfd_mach_o_swap_reloc_out)(arelent *, bfd_mach_o_reloc_info *);
|
|
bfd_boolean (*_bfd_mach_o_print_thread)(bfd *, bfd_mach_o_thread_flavour *,
|
|
void *, char *);
|
|
}
|
}
|
bfd_mach_o_backend_data;
|
bfd_mach_o_xlat_name;
|
|
|
|
/* Target specific routines. */
|
|
|
#define bfd_mach_o_get_data(abfd) ((abfd)->tdata.mach_o_data)
|
#define bfd_mach_o_get_data(abfd) ((abfd)->tdata.mach_o_data)
|
#define bfd_mach_o_get_backend_data(abfd) \
|
#define bfd_mach_o_get_backend_data(abfd) \
|
((bfd_mach_o_backend_data*)(abfd)->xvec->backend_data)
|
((bfd_mach_o_backend_data*)(abfd)->xvec->backend_data)
|
|
|
/* Get the Mach-O header for section SEC. */
|
/* Get the Mach-O header for section SEC. */
|
#define bfd_mach_o_get_mach_o_section(sec) \
|
#define bfd_mach_o_get_mach_o_section(sec) \
|
((bfd_mach_o_section *)(sec)->used_by_bfd)
|
((bfd_mach_o_section *)(sec)->used_by_bfd)
|
|
|
bfd_boolean bfd_mach_o_valid (bfd *);
|
bfd_boolean bfd_mach_o_valid (bfd *);
|
int bfd_mach_o_read_dysymtab_symbol (bfd *, bfd_mach_o_dysymtab_command *, bfd_mach_o_symtab_command *, bfd_mach_o_asymbol *, unsigned long);
|
|
int bfd_mach_o_scan_start_address (bfd *);
|
|
int bfd_mach_o_scan (bfd *, bfd_mach_o_header *, bfd_mach_o_data_struct *);
|
|
bfd_boolean bfd_mach_o_mkobject_init (bfd *);
|
bfd_boolean bfd_mach_o_mkobject_init (bfd *);
|
const bfd_target *bfd_mach_o_object_p (bfd *);
|
const bfd_target *bfd_mach_o_object_p (bfd *);
|
const bfd_target *bfd_mach_o_core_p (bfd *);
|
const bfd_target *bfd_mach_o_core_p (bfd *);
|
const bfd_target *bfd_mach_o_archive_p (bfd *);
|
const bfd_target *bfd_mach_o_archive_p (bfd *);
|
bfd *bfd_mach_o_openr_next_archived_file (bfd *, bfd *);
|
bfd *bfd_mach_o_openr_next_archived_file (bfd *, bfd *);
|
| Line 555... |
Line 595... |
bfd_boolean bfd_mach_o_bfd_copy_private_symbol_data (bfd *, asymbol *,
|
bfd_boolean bfd_mach_o_bfd_copy_private_symbol_data (bfd *, asymbol *,
|
bfd *, asymbol *);
|
bfd *, asymbol *);
|
bfd_boolean bfd_mach_o_bfd_copy_private_section_data (bfd *, asection *,
|
bfd_boolean bfd_mach_o_bfd_copy_private_section_data (bfd *, asection *,
|
bfd *, asection *);
|
bfd *, asection *);
|
bfd_boolean bfd_mach_o_bfd_copy_private_bfd_data (bfd *, bfd *);
|
bfd_boolean bfd_mach_o_bfd_copy_private_bfd_data (bfd *, bfd *);
|
|
bfd_boolean bfd_mach_o_bfd_set_private_flags (bfd *, flagword);
|
long bfd_mach_o_get_symtab_upper_bound (bfd *);
|
long bfd_mach_o_get_symtab_upper_bound (bfd *);
|
long bfd_mach_o_canonicalize_symtab (bfd *, asymbol **);
|
long bfd_mach_o_canonicalize_symtab (bfd *, asymbol **);
|
long bfd_mach_o_get_synthetic_symtab (bfd *, long, asymbol **, long,
|
long bfd_mach_o_get_synthetic_symtab (bfd *, long, asymbol **, long,
|
asymbol **, asymbol **ret);
|
asymbol **, asymbol **ret);
|
long bfd_mach_o_get_reloc_upper_bound (bfd *, asection *);
|
long bfd_mach_o_get_reloc_upper_bound (bfd *, asection *);
|
| Line 566... |
Line 607... |
long bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *);
|
long bfd_mach_o_get_dynamic_reloc_upper_bound (bfd *);
|
long bfd_mach_o_canonicalize_dynamic_reloc (bfd *, arelent **, asymbol **);
|
long bfd_mach_o_canonicalize_dynamic_reloc (bfd *, arelent **, asymbol **);
|
asymbol *bfd_mach_o_make_empty_symbol (bfd *);
|
asymbol *bfd_mach_o_make_empty_symbol (bfd *);
|
void bfd_mach_o_get_symbol_info (bfd *, asymbol *, symbol_info *);
|
void bfd_mach_o_get_symbol_info (bfd *, asymbol *, symbol_info *);
|
void bfd_mach_o_print_symbol (bfd *, PTR, asymbol *, bfd_print_symbol_type);
|
void bfd_mach_o_print_symbol (bfd *, PTR, asymbol *, bfd_print_symbol_type);
|
bfd_boolean bfd_mach_o_bfd_print_private_bfd_data (bfd *, PTR);
|
|
int bfd_mach_o_sizeof_headers (bfd *, struct bfd_link_info *);
|
int bfd_mach_o_sizeof_headers (bfd *, struct bfd_link_info *);
|
unsigned long bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type);
|
unsigned long bfd_mach_o_stack_addr (enum bfd_mach_o_cpu_type);
|
int bfd_mach_o_core_fetch_environment (bfd *, unsigned char **, unsigned int *);
|
int bfd_mach_o_core_fetch_environment (bfd *, unsigned char **, unsigned int *);
|
char *bfd_mach_o_core_file_failing_command (bfd *);
|
char *bfd_mach_o_core_file_failing_command (bfd *);
|
int bfd_mach_o_core_file_failing_signal (bfd *);
|
int bfd_mach_o_core_file_failing_signal (bfd *);
|
| Line 581... |
Line 621... |
bfd_boolean bfd_mach_o_build_commands (bfd *);
|
bfd_boolean bfd_mach_o_build_commands (bfd *);
|
bfd_boolean bfd_mach_o_set_section_contents (bfd *, asection *, const void *,
|
bfd_boolean bfd_mach_o_set_section_contents (bfd *, asection *, const void *,
|
file_ptr, bfd_size_type);
|
file_ptr, bfd_size_type);
|
unsigned int bfd_mach_o_version (bfd *);
|
unsigned int bfd_mach_o_version (bfd *);
|
|
|
unsigned int bfd_mach_o_get_section_type_from_name (const char *);
|
unsigned int bfd_mach_o_get_section_type_from_name (bfd *, const char *);
|
unsigned int bfd_mach_o_get_section_attribute_from_name (const char *);
|
unsigned int bfd_mach_o_get_section_attribute_from_name (const char *);
|
void bfd_mach_o_normalize_section_name (const char *, const char *,
|
|
|
void bfd_mach_o_convert_section_name_to_bfd (bfd *, const char *, const char *,
|
const char **, flagword *);
|
const char **, flagword *);
|
|
bfd_boolean bfd_mach_o_find_nearest_line (bfd *, asection *, asymbol **,
|
|
bfd_vma, const char **,
|
|
const char **, unsigned int *);
|
|
bfd_boolean bfd_mach_o_close_and_cleanup (bfd *);
|
|
bfd_boolean bfd_mach_o_free_cached_info (bfd *);
|
|
|
|
unsigned int bfd_mach_o_section_get_nbr_indirect (bfd *, bfd_mach_o_section *);
|
|
unsigned int bfd_mach_o_section_get_entry_size (bfd *, bfd_mach_o_section *);
|
|
bfd_boolean bfd_mach_o_read_symtab_symbols (bfd *);
|
|
bfd_boolean bfd_mach_o_read_symtab_strtab (bfd *abfd);
|
|
|
|
/* A placeholder in case we need to suppress emitting the dysymtab for some
|
|
reason (e.g. compatibility with older system versions). */
|
|
#define bfd_mach_o_should_emit_dysymtab(x) TRUE
|
|
|
|
extern const bfd_mach_o_xlat_name bfd_mach_o_section_attribute_name[];
|
|
extern const bfd_mach_o_xlat_name bfd_mach_o_section_type_name[];
|
|
|
extern const bfd_target mach_o_fat_vec;
|
extern const bfd_target mach_o_fat_vec;
|
|
|
|
/* Interfaces between BFD names and Mach-O names. */
|
|
|
|
typedef struct mach_o_section_name_xlat
|
|
{
|
|
const char *bfd_name;
|
|
const char *mach_o_name;
|
|
flagword bfd_flags;
|
|
unsigned int macho_sectype;
|
|
unsigned int macho_secattr;
|
|
unsigned int sectalign;
|
|
} mach_o_section_name_xlat;
|
|
|
|
typedef struct mach_o_segment_name_xlat
|
|
{
|
|
const char *segname;
|
|
const mach_o_section_name_xlat *sections;
|
|
} mach_o_segment_name_xlat;
|
|
|
|
const mach_o_section_name_xlat *
|
|
bfd_mach_o_section_data_for_mach_sect (bfd *, const char *, const char *);
|
|
const mach_o_section_name_xlat *
|
|
bfd_mach_o_section_data_for_bfd_name (bfd *, const char *, const char **);
|
|
|
|
typedef struct bfd_mach_o_backend_data
|
|
{
|
|
enum bfd_architecture arch;
|
|
bfd_boolean (*_bfd_mach_o_swap_reloc_in)(arelent *, bfd_mach_o_reloc_info *);
|
|
bfd_boolean (*_bfd_mach_o_swap_reloc_out)(arelent *, bfd_mach_o_reloc_info *);
|
|
bfd_boolean (*_bfd_mach_o_print_thread)(bfd *, bfd_mach_o_thread_flavour *,
|
|
void *, char *);
|
|
const mach_o_segment_name_xlat *segsec_names_xlat;
|
|
bfd_boolean (*bfd_mach_o_section_type_valid_for_target) (unsigned long);
|
|
}
|
|
bfd_mach_o_backend_data;
|
|
|
|
/* Values used in symbol.udata.i, to signal that the mach-o-specific data in the
|
|
symbol are not yet set, or need validation (where this is possible). */
|
|
|
|
#define SYM_MACHO_FIELDS_UNSET ((bfd_vma) -1)
|
|
#define SYM_MACHO_FIELDS_NOT_VALIDATED ((bfd_vma) -2)
|
|
|
#endif /* _BFD_MACH_O_H_ */
|
#endif /* _BFD_MACH_O_H_ */
|
|
|
No newline at end of file
|
No newline at end of file
|
