| Line 222... |
Line 222... |
RM_IGNORE,
|
RM_IGNORE,
|
RM_GENERATE_WARNING,
|
RM_GENERATE_WARNING,
|
RM_GENERATE_ERROR
|
RM_GENERATE_ERROR
|
};
|
};
|
|
|
|
typedef enum {with_flags, without_flags} flag_type;
|
|
|
|
/* A section flag list. */
|
|
struct flag_info_list
|
|
{
|
|
flag_type with;
|
|
const char *name;
|
|
bfd_boolean valid;
|
|
struct flag_info_list *next;
|
|
};
|
|
|
|
/* Section flag info. */
|
|
struct flag_info
|
|
{
|
|
flagword only_with_flags;
|
|
flagword not_with_flags;
|
|
struct flag_info_list *flag_list;
|
|
bfd_boolean flags_initialized;
|
|
};
|
|
|
struct bfd_elf_dynamic_list;
|
struct bfd_elf_dynamic_list;
|
|
|
/* This structure holds all the information needed to communicate
|
/* This structure holds all the information needed to communicate
|
between BFD and the linker when doing a link. */
|
between BFD and the linker when doing a link. */
|
|
|
struct bfd_link_info
|
struct bfd_link_info
|
{
|
{
|
/* TRUE if BFD should generate a relocatable object file. */
|
/* TRUE if BFD should generate a shared object (or a pie). */
|
unsigned int relocatable: 1;
|
unsigned int shared: 1;
|
|
|
/* TRUE if BFD should generate relocation information in the final
|
/* TRUE if generating an executable, position independent or not. */
|
executable. */
|
unsigned int executable : 1;
|
unsigned int emitrelocations: 1;
|
|
|
|
/* TRUE if BFD should generate a "task linked" object file,
|
/* TRUE if generating a position independent executable. */
|
similar to relocatable but also with globals converted to
|
unsigned int pie: 1;
|
statics. */
|
|
unsigned int task_link: 1;
|
|
|
|
/* TRUE if BFD should generate a shared object. */
|
/* TRUE if BFD should generate a relocatable object file. */
|
unsigned int shared: 1;
|
unsigned int relocatable: 1;
|
|
|
/* TRUE if BFD should pre-bind symbols in a shared object. */
|
/* TRUE if BFD should pre-bind symbols in a shared object. */
|
unsigned int symbolic: 1;
|
unsigned int symbolic: 1;
|
|
|
|
/* TRUE if executable should not contain copy relocs.
|
|
Setting this true may result in a non-sharable text segment. */
|
|
unsigned int nocopyreloc: 1;
|
|
|
/* TRUE if BFD should export all symbols in the dynamic symbol table
|
/* TRUE if BFD should export all symbols in the dynamic symbol table
|
of an executable, rather than only those used. */
|
of an executable, rather than only those used. */
|
unsigned int export_dynamic: 1;
|
unsigned int export_dynamic: 1;
|
|
|
/* TRUE if shared objects should be linked directly, not shared. */
|
|
unsigned int static_link: 1;
|
|
|
|
/* TRUE if the output file should be in a traditional format. This
|
|
is equivalent to the setting of the BFD_TRADITIONAL_FORMAT flag
|
|
on the output file, but may be checked when reading the input
|
|
files. */
|
|
unsigned int traditional_format: 1;
|
|
|
|
/* TRUE if we want to produced optimized output files. This might
|
|
need much more time and therefore must be explicitly selected. */
|
|
unsigned int optimize: 1;
|
|
|
|
/* TRUE if ok to have multiple definition. */
|
|
unsigned int allow_multiple_definition: 1;
|
|
|
|
/* TRUE if ok to have version with no definition. */
|
|
unsigned int allow_undefined_version: 1;
|
|
|
|
/* TRUE if a default symbol version should be created and used for
|
/* TRUE if a default symbol version should be created and used for
|
exported symbols. */
|
exported symbols. */
|
unsigned int create_default_symver: 1;
|
unsigned int create_default_symver: 1;
|
|
|
/* TRUE if a default symbol version should be created and used for
|
/* TRUE if unreferenced sections should be removed. */
|
imported symbols. */
|
unsigned int gc_sections: 1;
|
unsigned int default_imported_symver: 1;
|
|
|
|
/* TRUE if symbols should be retained in memory, FALSE if they
|
|
should be freed and reread. */
|
|
unsigned int keep_memory: 1;
|
|
|
|
/* TRUE if every symbol should be reported back via the notice
|
/* TRUE if every symbol should be reported back via the notice
|
callback. */
|
callback. */
|
unsigned int notice_all: 1;
|
unsigned int notice_all: 1;
|
|
|
/* TRUE if executable should not contain copy relocs.
|
/* TRUE if we are loading LTO outputs. */
|
Setting this true may result in a non-sharable text segment. */
|
unsigned int loading_lto_outputs: 1;
|
unsigned int nocopyreloc: 1;
|
|
|
|
/* TRUE if the new ELF dynamic tags are enabled. */
|
/* TRUE if global symbols in discarded sections should be stripped. */
|
unsigned int new_dtags: 1;
|
unsigned int strip_discarded: 1;
|
|
|
/* TRUE if non-PLT relocs should be merged into one reloc section
|
/* TRUE if all data symbols should be dynamic. */
|
and sorted so that relocs against the same symbol come together. */
|
unsigned int dynamic_data: 1;
|
unsigned int combreloc: 1;
|
|
|
|
/* TRUE if .eh_frame_hdr section and PT_GNU_EH_FRAME ELF segment
|
/* Which symbols to strip. */
|
should be created. */
|
ENUM_BITFIELD (bfd_link_strip) strip : 2;
|
unsigned int eh_frame_hdr: 1;
|
|
|
|
/* TRUE if global symbols in discarded sections should be stripped. */
|
/* Which local symbols to discard. */
|
unsigned int strip_discarded: 1;
|
ENUM_BITFIELD (bfd_link_discard) discard : 2;
|
|
|
/* TRUE if generating a position independent executable. */
|
/* Criteria for skipping symbols when determining
|
unsigned int pie: 1;
|
whether to include an object from an archive. */
|
|
ENUM_BITFIELD (bfd_link_common_skip_ar_symbols) common_skip_ar_symbols : 2;
|
|
|
/* TRUE if generating an executable, position independent or not. */
|
/* What to do with unresolved symbols in an object file.
|
unsigned int executable : 1;
|
When producing executables the default is GENERATE_ERROR.
|
|
When producing shared libraries the default is IGNORE. The
|
|
assumption with shared libraries is that the reference will be
|
|
resolved at load/execution time. */
|
|
ENUM_BITFIELD (report_method) unresolved_syms_in_objects : 2;
|
|
|
/* TRUE if PT_GNU_STACK segment should be created with PF_R|PF_W|PF_X
|
/* What to do with unresolved symbols in a shared library.
|
flags. */
|
The same defaults apply. */
|
unsigned int execstack: 1;
|
ENUM_BITFIELD (report_method) unresolved_syms_in_shared_libs : 2;
|
|
|
/* TRUE if PT_GNU_STACK segment should be created with PF_R|PF_W
|
/* TRUE if shared objects should be linked directly, not shared. */
|
flags. */
|
unsigned int static_link: 1;
|
unsigned int noexecstack: 1;
|
|
|
/* TRUE if symbols should be retained in memory, FALSE if they
|
|
should be freed and reread. */
|
|
unsigned int keep_memory: 1;
|
|
|
|
/* TRUE if BFD should generate relocation information in the final
|
|
executable. */
|
|
unsigned int emitrelocations: 1;
|
|
|
/* TRUE if PT_GNU_RELRO segment should be created. */
|
/* TRUE if PT_GNU_RELRO segment should be created. */
|
unsigned int relro: 1;
|
unsigned int relro: 1;
|
|
|
|
/* TRUE if .eh_frame_hdr section and PT_GNU_EH_FRAME ELF segment
|
|
should be created. */
|
|
unsigned int eh_frame_hdr: 1;
|
|
|
/* TRUE if we should warn when adding a DT_TEXTREL to a shared object. */
|
/* TRUE if we should warn when adding a DT_TEXTREL to a shared object. */
|
unsigned int warn_shared_textrel: 1;
|
unsigned int warn_shared_textrel: 1;
|
|
|
/* TRUE if we should warn alternate ELF machine code. */
|
|
unsigned int warn_alternate_em: 1;
|
|
|
|
/* TRUE if unreferenced sections should be removed. */
|
|
unsigned int gc_sections: 1;
|
|
|
|
/* TRUE if user shoudl be informed of removed unreferenced sections. */
|
|
unsigned int print_gc_sections: 1;
|
|
|
|
/* TRUE if .hash section should be created. */
|
/* TRUE if .hash section should be created. */
|
unsigned int emit_hash: 1;
|
unsigned int emit_hash: 1;
|
|
|
/* TRUE if .gnu.hash section should be created. */
|
/* TRUE if .gnu.hash section should be created. */
|
unsigned int emit_gnu_hash: 1;
|
unsigned int emit_gnu_hash: 1;
|
| Line 344... |
Line 345... |
/* If TRUE reduce memory overheads, at the expense of speed. This will
|
/* If TRUE reduce memory overheads, at the expense of speed. This will
|
cause map file generation to use an O(N^2) algorithm and disable
|
cause map file generation to use an O(N^2) algorithm and disable
|
caching ELF symbol buffer. */
|
caching ELF symbol buffer. */
|
unsigned int reduce_memory_overheads: 1;
|
unsigned int reduce_memory_overheads: 1;
|
|
|
/* TRUE if all data symbols should be dynamic. */
|
/* TRUE if the output file should be in a traditional format. This
|
unsigned int dynamic_data: 1;
|
is equivalent to the setting of the BFD_TRADITIONAL_FORMAT flag
|
|
on the output file, but may be checked when reading the input
|
|
files. */
|
|
unsigned int traditional_format: 1;
|
|
|
|
/* TRUE if non-PLT relocs should be merged into one reloc section
|
|
and sorted so that relocs against the same symbol come together. */
|
|
unsigned int combreloc: 1;
|
|
|
|
/* TRUE if a default symbol version should be created and used for
|
|
imported symbols. */
|
|
unsigned int default_imported_symver: 1;
|
|
|
|
/* TRUE if the new ELF dynamic tags are enabled. */
|
|
unsigned int new_dtags: 1;
|
|
|
|
/* FALSE if .eh_frame unwind info should be generated for PLT and other
|
|
linker created sections, TRUE if it should be omitted. */
|
|
unsigned int no_ld_generated_unwind_info: 1;
|
|
|
|
/* TRUE if BFD should generate a "task linked" object file,
|
|
similar to relocatable but also with globals converted to
|
|
statics. */
|
|
unsigned int task_link: 1;
|
|
|
|
/* TRUE if ok to have multiple definition. */
|
|
unsigned int allow_multiple_definition: 1;
|
|
|
|
/* TRUE if ok to have version with no definition. */
|
|
unsigned int allow_undefined_version: 1;
|
|
|
/* TRUE if some symbols have to be dynamic, controlled by
|
/* TRUE if some symbols have to be dynamic, controlled by
|
--dynamic-list command line options. */
|
--dynamic-list command line options. */
|
unsigned int dynamic: 1;
|
unsigned int dynamic: 1;
|
|
|
/* Non-NULL if .note.gnu.build-id section should be created. */
|
/* TRUE if PT_GNU_STACK segment should be created with PF_R|PF_W|PF_X
|
char *emit_note_gnu_build_id;
|
flags. */
|
|
unsigned int execstack: 1;
|
/* What to do with unresolved symbols in an object file.
|
|
When producing executables the default is GENERATE_ERROR.
|
|
When producing shared libraries the default is IGNORE. The
|
|
assumption with shared libraries is that the reference will be
|
|
resolved at load/execution time. */
|
|
enum report_method unresolved_syms_in_objects;
|
|
|
|
/* What to do with unresolved symbols in a shared library.
|
/* TRUE if PT_GNU_STACK segment should be created with PF_R|PF_W
|
The same defaults apply. */
|
flags. */
|
enum report_method unresolved_syms_in_shared_libs;
|
unsigned int noexecstack: 1;
|
|
|
/* Which symbols to strip. */
|
/* TRUE if we want to produced optimized output files. This might
|
enum bfd_link_strip strip;
|
need much more time and therefore must be explicitly selected. */
|
|
unsigned int optimize: 1;
|
|
|
/* Which local symbols to discard. */
|
/* TRUE if user should be informed of removed unreferenced sections. */
|
enum bfd_link_discard discard;
|
unsigned int print_gc_sections: 1;
|
|
|
/* Criteria for skipping symbols when determining
|
/* TRUE if we should warn alternate ELF machine code. */
|
whether to include an object from an archive. */
|
unsigned int warn_alternate_em: 1;
|
enum bfd_link_common_skip_ar_symbols common_skip_ar_symbols;
|
|
|
|
/* Char that may appear as the first char of a symbol, but should be
|
/* Char that may appear as the first char of a symbol, but should be
|
skipped (like symbol_leading_char) when looking up symbols in
|
skipped (like symbol_leading_char) when looking up symbols in
|
wrap_hash. Used by PowerPC Linux for 'dot' symbols. */
|
wrap_hash. Used by PowerPC Linux for 'dot' symbols. */
|
char wrap_char;
|
char wrap_char;
|
| Line 410... |
Line 434... |
/* The list of input BFD's involved in the link. These are chained
|
/* The list of input BFD's involved in the link. These are chained
|
together via the link_next field. */
|
together via the link_next field. */
|
bfd *input_bfds;
|
bfd *input_bfds;
|
bfd **input_bfds_tail;
|
bfd **input_bfds_tail;
|
|
|
|
/* Non-NULL if .note.gnu.build-id section should be created. */
|
|
char *emit_note_gnu_build_id;
|
|
|
/* If a symbol should be created for each input BFD, this is section
|
/* If a symbol should be created for each input BFD, this is section
|
where those symbols should be placed. It must be a section in
|
where those symbols should be placed. It must be a section in
|
the output BFD. It may be NULL, in which case no such symbols
|
the output BFD. It may be NULL, in which case no such symbols
|
will be created. This is to support CREATE_OBJECT_SYMBOLS in the
|
will be created. This is to support CREATE_OBJECT_SYMBOLS in the
|
linker command language. */
|
linker command language. */
|
