mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2025-02-27 12:56:07 +00:00
2006-02-24 H.J. Lu <hongjiu.lu@intel.com>
PR ld/2218 * elf-bfd.h (elf_backend_data): Add elf_backend_fixup_symbol. (_bfd_elf_link_hash_fixup_symbol): New. * elflink.c (_bfd_elf_link_hash_fixup_symbol): New. (_bfd_elf_fix_symbol_flags): Call elf_backend_fixup_symbol if it isn't NULL. * elfxx-ia64.c (elf_backend_fixup_symbol): Defined. * elfxx-target.h (elf_backend_fixup_symbol): New. (elfNN_bed): Initialize elf_backend_fixup_symbol.
This commit is contained in:
H.J. Lu
parent
62b3e31101
commit
508c39462a
@ -1,3 +1,18 @@
|
||||
2006-02-24 H.J. Lu <hongjiu.lu@intel.com>
|
||||
|
||||
PR ld/2218
|
||||
* elf-bfd.h (elf_backend_data): Add elf_backend_fixup_symbol.
|
||||
(_bfd_elf_link_hash_fixup_symbol): New.
|
||||
|
||||
* elflink.c (_bfd_elf_link_hash_fixup_symbol): New.
|
||||
(_bfd_elf_fix_symbol_flags): Call elf_backend_fixup_symbol if
|
||||
it isn't NULL.
|
||||
|
||||
* elfxx-ia64.c (elf_backend_fixup_symbol): Defined.
|
||||
|
||||
* elfxx-target.h (elf_backend_fixup_symbol): New.
|
||||
(elfNN_bed): Initialize elf_backend_fixup_symbol.
|
||||
|
||||
2006-02-23 H.J. Lu <hongjiu.lu@intel.com>
|
||||
|
||||
* cpu-ia64-opc.c (ins_immu5b): New.
|
||||
|
||||
@ -883,6 +883,11 @@ struct elf_backend_data
|
||||
void (*elf_backend_hide_symbol)
|
||||
(struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean);
|
||||
|
||||
/* A function to do additional symbol fixup, called by
|
||||
_bfd_elf_fix_symbol_flags. */
|
||||
bfd_boolean (*elf_backend_fixup_symbol)
|
||||
(struct bfd_link_info *, struct elf_link_hash_entry *);
|
||||
|
||||
/* Merge the backend specific symbol attribute. */
|
||||
void (*elf_backend_merge_symbol_attribute)
|
||||
(struct elf_link_hash_entry *, const Elf_Internal_Sym *, bfd_boolean,
|
||||
@ -1476,6 +1481,8 @@ extern void _bfd_elf_link_hash_copy_indirect
|
||||
struct elf_link_hash_entry *);
|
||||
extern void _bfd_elf_link_hash_hide_symbol
|
||||
(struct bfd_link_info *, struct elf_link_hash_entry *, bfd_boolean);
|
||||
extern bfd_boolean _bfd_elf_link_hash_fixup_symbol
|
||||
(struct bfd_link_info *, struct elf_link_hash_entry *);
|
||||
extern bfd_boolean _bfd_elf_link_hash_table_init
|
||||
(struct elf_link_hash_table *, bfd *,
|
||||
struct bfd_hash_entry *(*)
|
||||
|
||||
@ -2187,6 +2187,20 @@ _bfd_elf_link_output_relocs (bfd *output_bfd,
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/* Make weak undefined symbols in PIE dynamic. */
|
||||
|
||||
bfd_boolean
|
||||
_bfd_elf_link_hash_fixup_symbol (struct bfd_link_info *info,
|
||||
struct elf_link_hash_entry *h)
|
||||
{
|
||||
if (info->pie
|
||||
&& h->dynindx == -1
|
||||
&& h->root.type == bfd_link_hash_undefweak)
|
||||
return bfd_elf_link_record_dynamic_symbol (info, h);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
/* Fix up the flags for a symbol. This handles various cases which
|
||||
can only be fixed after all the input files are seen. This is
|
||||
currently called by both adjust_dynamic_symbol and
|
||||
@ -2197,6 +2211,8 @@ bfd_boolean
|
||||
_bfd_elf_fix_symbol_flags (struct elf_link_hash_entry *h,
|
||||
struct elf_info_failed *eif)
|
||||
{
|
||||
const struct elf_backend_data *bed = NULL;
|
||||
|
||||
/* If this symbol was mentioned in a non-ELF file, try to set
|
||||
DEF_REGULAR and REF_REGULAR correctly. This is the only way to
|
||||
permit a non-ELF file to correctly refer to a symbol defined in
|
||||
@ -2255,6 +2271,15 @@ _bfd_elf_fix_symbol_flags (struct elf_link_hash_entry *h,
|
||||
h->def_regular = 1;
|
||||
}
|
||||
|
||||
/* Backend specific symbol fixup. */
|
||||
if (elf_hash_table (eif->info)->dynobj)
|
||||
{
|
||||
bed = get_elf_backend_data (elf_hash_table (eif->info)->dynobj);
|
||||
if (bed->elf_backend_fixup_symbol
|
||||
&& !(*bed->elf_backend_fixup_symbol) (eif->info, h))
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/* If this is a final link, and the symbol was defined as a common
|
||||
symbol in a regular object file, and there was no definition in
|
||||
any dynamic object, then the linker will have allocated space for
|
||||
@ -2280,11 +2305,8 @@ _bfd_elf_fix_symbol_flags (struct elf_link_hash_entry *h,
|
||||
|| ELF_ST_VISIBILITY (h->other) != STV_DEFAULT)
|
||||
&& h->def_regular)
|
||||
{
|
||||
const struct elf_backend_data *bed;
|
||||
bfd_boolean force_local;
|
||||
|
||||
bed = get_elf_backend_data (elf_hash_table (eif->info)->dynobj);
|
||||
|
||||
force_local = (ELF_ST_VISIBILITY (h->other) == STV_INTERNAL
|
||||
|| ELF_ST_VISIBILITY (h->other) == STV_HIDDEN);
|
||||
(*bed->elf_backend_hide_symbol) (eif->info, h, force_local);
|
||||
@ -2323,12 +2345,8 @@ _bfd_elf_fix_symbol_flags (struct elf_link_hash_entry *h,
|
||||
if (weakdef->def_regular)
|
||||
h->u.weakdef = NULL;
|
||||
else
|
||||
{
|
||||
const struct elf_backend_data *bed;
|
||||
|
||||
bed = get_elf_backend_data (elf_hash_table (eif->info)->dynobj);
|
||||
(*bed->elf_backend_copy_indirect_symbol) (eif->info, weakdef, h);
|
||||
}
|
||||
(*bed->elf_backend_copy_indirect_symbol) (eif->info, weakdef,
|
||||
h);
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
|
||||
@ -5305,6 +5305,7 @@ elfNN_hpux_backend_symbol_processing (bfd *abfd ATTRIBUTE_UNUSED,
|
||||
#define elf_backend_want_dynbss 0
|
||||
#define elf_backend_copy_indirect_symbol elfNN_ia64_hash_copy_indirect
|
||||
#define elf_backend_hide_symbol elfNN_ia64_hash_hide_symbol
|
||||
#define elf_backend_fixup_symbol _bfd_elf_link_hash_fixup_symbol
|
||||
#define elf_backend_reloc_type_class elfNN_ia64_reloc_type_class
|
||||
#define elf_backend_rela_normal 1
|
||||
#define elf_backend_special_sections elfNN_ia64_special_sections
|
||||
|
||||
@ -420,6 +420,9 @@
|
||||
#ifndef elf_backend_hide_symbol
|
||||
#define elf_backend_hide_symbol _bfd_elf_link_hash_hide_symbol
|
||||
#endif
|
||||
#ifndef elf_backend_fixup_symbol
|
||||
#define elf_backend_fixup_symbol NULL
|
||||
#endif
|
||||
#ifndef elf_backend_merge_symbol_attribute
|
||||
#define elf_backend_merge_symbol_attribute NULL
|
||||
#endif
|
||||
@ -598,6 +601,7 @@ static const struct elf_backend_data elfNN_bed =
|
||||
elf_backend_output_arch_syms,
|
||||
elf_backend_copy_indirect_symbol,
|
||||
elf_backend_hide_symbol,
|
||||
elf_backend_fixup_symbol,
|
||||
elf_backend_merge_symbol_attribute,
|
||||
elf_backend_ignore_undef_symbol,
|
||||
elf_backend_emit_relocs,
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user