+2017-09-07 H.J. Lu <hongjiu.lu@intel.com>
+
+ * elf32-i386.c (elf_i386_convert_load_reloc): Add an argument,
+ r_type_p. Remove the converted argument. Replace
+ SYMBOL_REFERENCES_LOCAL with SYMBOL_REFERENCES_LOCAL_P. Return
+ the new relocation type via r_type_p.
+ (elf_i386_relocate_section): Likewise.
+ (elf_i386_finish_dynamic_symbol): Likewise.
+ (need_convert_load): Removed.
+ (check_relocs_failed): Updated.
+ (elf_i386_check_relocs): Call elf_i386_convert_load_reloc,
+ instead of setting need_convert_load.
+ (_bfd_i386_elf_convert_load): Removed.
+ * elf64-x86-64.c (need_convert_load): Removed.
+ (check_relocs_failed): Updated.
+ (elf_x86_64_convert_load_reloc): Add an argument, r_type_p.
+ Replace SYMBOL_REFERENCES_LOCAL with SYMBOL_REFERENCES_LOCAL_P.
+ Return the new relocation type via r_type_p.
+ (elf_x86_64_check_relocs): Call elf_x86_64_convert_load_reloc,
+ instead of setting need_convert_load.
+ (elf_x86_64_check_relocs): Don't check PIC if relocation has
+ been converted.
+ (_bfd_x86_64_elf_convert_load): Removed.
+ (elf_x86_64_relocate_section): Replace SYMBOL_REFERENCES_LOCAL
+ with SYMBOL_REFERENCES_LOCAL_P.
+ (elf_x86_64_finish_dynamic_symbol): Likewise.
+ * elfxx-x86.c (_bfd_x86_elf_link_hash_table_create): Don't
+ set convert_load.
+ (_bfd_x86_elf_size_dynamic_sections): Don't call convert_load.
+ (_bfd_x86_elf_link_symbol_references_local): New function.
+ * elfxx-x86.h (SYMBOL_REFERENCES_LOCAL_P): New.
+ (UNDEFINED_WEAK_RESOLVED_TO_ZERO): Replace elf.forced_local with
+ SYMBOL_REFERENCES_LOCAL_P.
+ (elf_x86_link_hash_entry): Add local_ref.
+ (elf_x86_link_hash_table): Remove convert_load.
+ (_bfd_i386_elf_convert_load): Removed.
+ (_bfd_x86_64_elf_convert_load): Likewise.
+ (_bfd_x86_elf_link_symbol_references_local): New.
+
2017-09-06 H.J. Lu <hongjiu.lu@intel.com>
* elf64-x86-64.c (R_X86_64_converted_reloc_bit): New.
bfd_boolean
elf_i386_convert_load_reloc (bfd *abfd, Elf_Internal_Shdr *symtab_hdr,
bfd_byte *contents,
+ unsigned int *r_type_p,
Elf_Internal_Rela *irel,
struct elf_link_hash_entry *h,
- bfd_boolean *converted,
struct bfd_link_info *link_info)
{
struct elf_x86_link_hash_table *htab;
htab = elf_x86_hash_table (link_info, I386_ELF_DATA);
is_pic = bfd_link_pic (link_info);
- r_type = ELF32_R_TYPE (irel->r_info);
+ r_type = *r_type_p;
r_symndx = ELF32_R_SYM (irel->r_info);
modrm = bfd_get_8 (abfd, contents + roff - 1);
/* We have "call/jmp *foo@GOT[(%reg)]". */
if ((h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
- && SYMBOL_REFERENCES_LOCAL (link_info, h))
+ && SYMBOL_REFERENCES_LOCAL_P (link_info, h))
{
/* The function is locally defined. */
convert_branch:
need to adjust addend by -4. */
bfd_put_32 (abfd, -4, contents + irel->r_offset);
irel->r_info = ELF32_R_INFO (r_symndx, R_386_PC32);
-
- *converted = TRUE;
+ *r_type_p = R_386_PC32;
}
}
else
|| ((h->def_regular
|| h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
- && SYMBOL_REFERENCES_LOCAL (link_info, h)))
+ && SYMBOL_REFERENCES_LOCAL_P (link_info, h)))
{
convert_load:
if (opcode == 0x8b)
bfd_put_8 (abfd, opcode, contents + roff - 2);
irel->r_info = ELF32_R_INFO (r_symndx, r_type);
-
- *converted = TRUE;
+ *r_type_p = r_type;
}
}
/* Rename some of the generic section flags to better document how they
are used here. */
-#define need_convert_load sec_flg0
-#define check_relocs_failed sec_flg1
+#define check_relocs_failed sec_flg0
/* Look through the relocs for a section during the first phase, and
calculate needed space in the global offset table, procedure linkage
|= elf_gnu_symbol_ifunc;
}
+ if (r_type == R_386_GOT32X
+ && (h == NULL || h->type != STT_GNU_IFUNC))
+ {
+ Elf_Internal_Rela *irel = (Elf_Internal_Rela *) rel;
+ if (!elf_i386_convert_load_reloc (abfd, symtab_hdr, contents,
+ &r_type, irel, h, info))
+ goto error_return;
+ }
+
if (! elf_i386_tls_transition (info, abfd, sec, contents,
symtab_hdr, sym_hashes,
&r_type, GOT_UNKNOWN,
default:
break;
}
-
- if (r_type == R_386_GOT32X
- && (h == NULL || h->type != STT_GNU_IFUNC))
- sec->need_convert_load = 1;
}
if (elf_section_data (sec)->this_hdr.contents != contents)
return FALSE;
}
-/* Convert load via the GOT slot to load immediate. */
-
-bfd_boolean
-_bfd_i386_elf_convert_load (bfd *abfd, asection *sec,
- struct bfd_link_info *link_info)
-{
- struct elf_x86_link_hash_table *htab;
- Elf_Internal_Shdr *symtab_hdr;
- Elf_Internal_Rela *internal_relocs;
- Elf_Internal_Rela *irel, *irelend;
- bfd_byte *contents;
- bfd_boolean changed;
- bfd_signed_vma *local_got_refcounts;
-
- /* Don't even try to convert non-ELF outputs. */
- if (!is_elf_hash_table (link_info->hash))
- return FALSE;
-
- /* Nothing to do if there is no need or no output. */
- if ((sec->flags & (SEC_CODE | SEC_RELOC)) != (SEC_CODE | SEC_RELOC)
- || sec->need_convert_load == 0
- || bfd_is_abs_section (sec->output_section))
- return TRUE;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
-
- /* Load the relocations for this section. */
- internal_relocs = (_bfd_elf_link_read_relocs
- (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
- link_info->keep_memory));
- if (internal_relocs == NULL)
- return FALSE;
-
- changed = FALSE;
- htab = elf_x86_hash_table (link_info, I386_ELF_DATA);
- local_got_refcounts = elf_local_got_refcounts (abfd);
-
- /* Get the section contents. */
- if (elf_section_data (sec)->this_hdr.contents != NULL)
- contents = elf_section_data (sec)->this_hdr.contents;
- else
- {
- if (!bfd_malloc_and_get_section (abfd, sec, &contents))
- goto error_return;
- }
-
- irelend = internal_relocs + sec->reloc_count;
- for (irel = internal_relocs; irel < irelend; irel++)
- {
- unsigned int r_type = ELF32_R_TYPE (irel->r_info);
- unsigned int r_symndx;
- struct elf_link_hash_entry *h;
- bfd_boolean converted;
-
- /* Don't convert R_386_GOT32 since we can't tell if it is applied
- to "mov $foo@GOT, %reg" which isn't a load via GOT. */
- if (r_type != R_386_GOT32X)
- continue;
-
- r_symndx = ELF32_R_SYM (irel->r_info);
- if (r_symndx < symtab_hdr->sh_info)
- h = _bfd_elf_x86_get_local_sym_hash (htab, sec->owner,
- (const Elf_Internal_Rela *) irel,
- FALSE);
- else
- {
- h = elf_sym_hashes (abfd)[r_symndx - symtab_hdr->sh_info];
- while (h->root.type == bfd_link_hash_indirect
- || h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
- }
-
- /* STT_GNU_IFUNC must keep GOT32 relocations. */
- if (h != NULL && h->type == STT_GNU_IFUNC)
- continue;
-
- converted = FALSE;
- if (!elf_i386_convert_load_reloc (abfd, symtab_hdr, contents,
- irel, h, &converted, link_info))
- goto error_return;
-
- if (converted)
- {
- changed = converted;
- if (h)
- {
- if (h->got.refcount > 0)
- h->got.refcount -= 1;
- }
- else
- {
- if (local_got_refcounts != NULL
- && local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx] -= 1;
- }
- }
- }
-
- if (contents != NULL
- && elf_section_data (sec)->this_hdr.contents != contents)
- {
- if (!changed && !link_info->keep_memory)
- free (contents);
- else
- {
- /* Cache the section contents for elf_link_input_bfd. */
- elf_section_data (sec)->this_hdr.contents = contents;
- }
- }
-
- if (elf_section_data (sec)->relocs != internal_relocs)
- {
- if (!changed)
- free (internal_relocs);
- else
- elf_section_data (sec)->relocs = internal_relocs;
- }
-
- return TRUE;
-
- error_return:
- if (contents != NULL
- && elf_section_data (sec)->this_hdr.contents != contents)
- free (contents);
- if (internal_relocs != NULL
- && elf_section_data (sec)->relocs != internal_relocs)
- free (internal_relocs);
- return FALSE;
-}
-
/* Set the correct type for an x86 ELF section. We do this by the
section name, which is a hack, but ought to work. */
bfd_link_pic (info),
h)
|| (bfd_link_pic (info)
- && SYMBOL_REFERENCES_LOCAL (info, h))
+ && SYMBOL_REFERENCES_LOCAL_P (info, h))
|| (ELF_ST_VISIBILITY (h->other)
&& h->root.type == bfd_link_hash_undefweak))
{
bfd_set_error (bfd_error_bad_value);
return FALSE;
}
- else if (!SYMBOL_REFERENCES_LOCAL (info, h)
+ else if (!SYMBOL_REFERENCES_LOCAL_P (info, h)
&& (h->type == STT_FUNC
|| h->type == STT_OBJECT)
&& ELF_ST_VISIBILITY (h->other) == STV_PROTECTED)
in static executable. */
relgot = htab->elf.irelplt;
}
- if (SYMBOL_REFERENCES_LOCAL (info, h))
+ if (SYMBOL_REFERENCES_LOCAL_P (info, h))
{
info->callbacks->minfo (_("Local IFUNC function `%s' in %B\n"),
h->root.root.string,
}
}
else if (bfd_link_pic (info)
- && SYMBOL_REFERENCES_LOCAL (info, h))
+ && SYMBOL_REFERENCES_LOCAL_P (info, h))
{
BFD_ASSERT((h->got.offset & 1) != 0);
rel.r_info = ELF32_R_INFO (0, R_386_RELATIVE);
/* Rename some of the generic section flags to better document how they
are used here. */
-#define need_convert_load sec_flg0
-#define check_relocs_failed sec_flg1
+#define check_relocs_failed sec_flg0
static bfd_boolean
elf_x86_64_need_pic (struct bfd_link_info *info,
static bfd_boolean
elf_x86_64_convert_load_reloc (bfd *abfd,
bfd_byte *contents,
+ unsigned int *r_type_p,
Elf_Internal_Rela *irel,
struct elf_link_hash_entry *h,
bfd_boolean *converted,
bfd_signed_vma raddend;
unsigned int opcode;
unsigned int modrm;
- unsigned int r_type = ELF32_R_TYPE (irel->r_info);
+ unsigned int r_type = *r_type_p;
unsigned int r_symndx;
bfd_vma roff = irel->r_offset;
|| h->root.type == bfd_link_hash_defined
|| h->root.type == bfd_link_hash_defweak)
&& h != htab->elf.hdynamic
- && SYMBOL_REFERENCES_LOCAL (link_info, h)))
+ && SYMBOL_REFERENCES_LOCAL_P (link_info, h)))
{
/* bfd_link_hash_new or bfd_link_hash_undefined is
set by an assignment in a linker script in
bfd_put_8 (abfd, opcode, contents + roff - 2);
}
+ *r_type_p = r_type;
irel->r_info = htab->r_info (r_symndx,
r_type | R_X86_64_converted_reloc_bit);
Elf_Internal_Sym *isym;
const char *name;
bfd_boolean size_reloc;
+ bfd_boolean converted_reloc;
r_symndx = htab->r_sym (rel->r_info);
r_type = ELF32_R_TYPE (rel->r_info);
|= elf_gnu_symbol_ifunc;
}
+ converted_reloc = FALSE;
+ if ((r_type == R_X86_64_GOTPCREL
+ || r_type == R_X86_64_GOTPCRELX
+ || r_type == R_X86_64_REX_GOTPCRELX)
+ && (h == NULL || h->type != STT_GNU_IFUNC))
+ {
+ Elf_Internal_Rela *irel = (Elf_Internal_Rela *) rel;
+ if (!elf_x86_64_convert_load_reloc (abfd, contents, &r_type,
+ irel, h, &converted_reloc,
+ info))
+ goto error_return;
+ }
+
if (! elf_x86_64_tls_transition (info, abfd, sec, contents,
symtab_hdr, sym_hashes,
&r_type, GOT_UNKNOWN,
sections we don't care about, such as debug sections or
when relocation overflow check is disabled. */
if (!info->no_reloc_overflow_check
+ && !converted_reloc
&& (bfd_link_pic (info)
|| (bfd_link_executable (info)
&& h != NULL
default:
break;
}
-
- if ((r_type == R_X86_64_GOTPCREL
- || r_type == R_X86_64_GOTPCRELX
- || r_type == R_X86_64_REX_GOTPCRELX)
- && (h == NULL || h->type != STT_GNU_IFUNC))
- sec->need_convert_load = 1;
}
if (elf_section_data (sec)->this_hdr.contents != contents)
return FALSE;
}
-/* Convert load via the GOT slot to load immediate. */
-
-bfd_boolean
-_bfd_x86_64_elf_convert_load (bfd *abfd, asection *sec,
- struct bfd_link_info *link_info)
-{
- Elf_Internal_Shdr *symtab_hdr;
- Elf_Internal_Rela *internal_relocs;
- Elf_Internal_Rela *irel, *irelend;
- bfd_byte *contents;
- struct elf_x86_link_hash_table *htab;
- bfd_boolean changed;
- bfd_signed_vma *local_got_refcounts;
-
- /* Don't even try to convert non-ELF outputs. */
- if (!is_elf_hash_table (link_info->hash))
- return FALSE;
-
- /* Nothing to do if there is no need or no output. */
- if ((sec->flags & (SEC_CODE | SEC_RELOC)) != (SEC_CODE | SEC_RELOC)
- || sec->need_convert_load == 0
- || bfd_is_abs_section (sec->output_section))
- return TRUE;
-
- symtab_hdr = &elf_tdata (abfd)->symtab_hdr;
-
- /* Load the relocations for this section. */
- internal_relocs = (_bfd_elf_link_read_relocs
- (abfd, sec, NULL, (Elf_Internal_Rela *) NULL,
- link_info->keep_memory));
- if (internal_relocs == NULL)
- return FALSE;
-
- changed = FALSE;
- htab = elf_x86_hash_table (link_info, X86_64_ELF_DATA);
- local_got_refcounts = elf_local_got_refcounts (abfd);
-
- /* Get the section contents. */
- if (elf_section_data (sec)->this_hdr.contents != NULL)
- contents = elf_section_data (sec)->this_hdr.contents;
- else
- {
- if (!bfd_malloc_and_get_section (abfd, sec, &contents))
- goto error_return;
- }
-
- irelend = internal_relocs + sec->reloc_count;
- for (irel = internal_relocs; irel < irelend; irel++)
- {
- unsigned int r_type = ELF32_R_TYPE (irel->r_info);
- unsigned int r_symndx;
- struct elf_link_hash_entry *h;
- bfd_boolean converted;
-
- if (r_type != R_X86_64_GOTPCRELX
- && r_type != R_X86_64_REX_GOTPCRELX
- && r_type != R_X86_64_GOTPCREL)
- continue;
-
- r_symndx = htab->r_sym (irel->r_info);
- if (r_symndx < symtab_hdr->sh_info)
- h = _bfd_elf_x86_get_local_sym_hash (htab, sec->owner,
- (const Elf_Internal_Rela *) irel,
- FALSE);
- else
- {
- h = elf_sym_hashes (abfd)[r_symndx - symtab_hdr->sh_info];
- while (h->root.type == bfd_link_hash_indirect
- || h->root.type == bfd_link_hash_warning)
- h = (struct elf_link_hash_entry *) h->root.u.i.link;
- }
-
- /* STT_GNU_IFUNC must keep GOTPCREL relocations. */
- if (h != NULL && h->type == STT_GNU_IFUNC)
- continue;
-
- converted = FALSE;
- if (!elf_x86_64_convert_load_reloc (abfd, contents, irel, h,
- &converted, link_info))
- goto error_return;
-
- if (converted)
- {
- changed = converted;
- if (h)
- {
- if (h->got.refcount > 0)
- h->got.refcount -= 1;
- }
- else
- {
- if (local_got_refcounts != NULL
- && local_got_refcounts[r_symndx] > 0)
- local_got_refcounts[r_symndx] -= 1;
- }
- }
- }
-
- if (contents != NULL
- && elf_section_data (sec)->this_hdr.contents != contents)
- {
- if (!changed && !link_info->keep_memory)
- free (contents);
- else
- {
- /* Cache the section contents for elf_link_input_bfd. */
- elf_section_data (sec)->this_hdr.contents = contents;
- }
- }
-
- if (elf_section_data (sec)->relocs != internal_relocs)
- {
- if (!changed)
- free (internal_relocs);
- else
- elf_section_data (sec)->relocs = internal_relocs;
- }
-
- return TRUE;
-
- error_return:
- if (contents != NULL
- && elf_section_data (sec)->this_hdr.contents != contents)
- free (contents);
- if (internal_relocs != NULL
- && elf_section_data (sec)->relocs != internal_relocs)
- free (internal_relocs);
- return FALSE;
-}
-
/* Return the relocation value for @tpoff relocation
if STT_TLS virtual address is ADDRESS. */
if (! WILL_CALL_FINISH_DYNAMIC_SYMBOL (dyn, bfd_link_pic (info), h)
|| (bfd_link_pic (info)
- && SYMBOL_REFERENCES_LOCAL (info, h))
+ && SYMBOL_REFERENCES_LOCAL_P (info, h))
|| (ELF_ST_VISIBILITY (h->other)
&& h->root.type == bfd_link_hash_undefweak))
{
return FALSE;
}
else if (!bfd_link_executable (info)
- && !SYMBOL_REFERENCES_LOCAL (info, h)
+ && !SYMBOL_REFERENCES_LOCAL_P (info, h)
&& (h->type == STT_FUNC
|| h->type == STT_OBJECT)
&& ELF_ST_VISIBILITY (h->other) == STV_PROTECTED)
|| r_type == R_X86_64_PC32_BND)
&& is_32bit_relative_branch (contents, rel->r_offset));
- if (SYMBOL_REFERENCES_LOCAL (info, h))
+ if (SYMBOL_REFERENCES_LOCAL_P (info, h))
{
/* Symbol is referenced locally. Make sure it is
defined locally or for a branch. */
in static executable. */
relgot = htab->elf.irelplt;
}
- if (SYMBOL_REFERENCES_LOCAL (info, h))
+ if (SYMBOL_REFERENCES_LOCAL_P (info, h))
{
info->callbacks->minfo (_("Local IFUNC function `%s' in %B\n"),
output_bfd,
}
}
else if (bfd_link_pic (info)
- && SYMBOL_REFERENCES_LOCAL (info, h))
+ && SYMBOL_REFERENCES_LOCAL_P (info, h))
{
if (!(h->def_regular || ELF_COMMON_DEF_P (h)))
return FALSE;
/* NB: If BFD64 isn't defined, only i386 will be supported. */
if (bed->target_id == X86_64_ELF_DATA)
{
- ret->convert_load = _bfd_x86_64_elf_convert_load;
ret->is_reloc_section = elf_x86_64_is_reloc_section;
ret->dt_reloc = DT_RELA;
ret->dt_reloc_sz = DT_RELASZ;
}
else
{
- ret->convert_load = _bfd_i386_elf_convert_load;
ret->is_reloc_section = elf_i386_is_reloc_section;
ret->dt_reloc = DT_REL;
ret->dt_reloc_sz = DT_RELSZ;
{
struct elf_dyn_relocs *p;
- if (!htab->convert_load (ibfd, s, info))
- return FALSE;
-
for (p = ((struct elf_dyn_relocs *)
elf_section_data (s)->local_dynrel);
p != NULL;
return _bfd_elf_adjust_dynamic_copy (info, h, s);
}
+/* Return TRUE if a symbol is referenced locally. It is similar to
+ SYMBOL_REFERENCES_LOCAL, but it also checks version script. It
+ works in check_relocs. */
+
+bfd_boolean
+_bfd_x86_elf_link_symbol_references_local (struct bfd_link_info *info,
+ struct elf_link_hash_entry *h)
+{
+ struct elf_x86_link_hash_entry *eh
+ = (struct elf_x86_link_hash_entry *) h;
+
+ if (eh->local_ref > 1)
+ return TRUE;
+
+ if (eh->local_ref == 1)
+ return FALSE;
+
+ /* Unversioned symbols defined in regular objects can be forced local
+ by linker version script. A weak undefined symbol can fored local
+ if it has non-default visibility or "-z nodynamic-undefined-weak"
+ is used. */
+ if (SYMBOL_REFERENCES_LOCAL (info, h)
+ || ((ELF_ST_VISIBILITY (h->other) != STV_DEFAULT
+ || info->dynamic_undefined_weak == 0)
+ && h->root.type == bfd_link_hash_undefweak)
+ || ((h->def_regular || ELF_COMMON_DEF_P (h))
+ && h->versioned == unversioned
+ && info->version_info != NULL
+ && bfd_hide_sym_by_version (info->version_info,
+ h->root.root.string)))
+ {
+ eh->local_ref = 2;
+ return TRUE;
+ }
+
+ eh->local_ref = 1;
+ return FALSE;
+}
+
/* Return the section that should be marked against GC for a given
relocation. */
&& elf_hash_table_id ((struct elf_link_hash_table *) ((p)->hash)) == (id) \
? ((struct elf_x86_link_hash_table *) ((p)->hash)) : NULL)
+/* Will references to this symbol always be local in this object? */
+#define SYMBOL_REFERENCES_LOCAL_P(INFO, H) \
+ _bfd_x86_elf_link_symbol_references_local ((INFO), (H))
+
/* Is a undefined weak symbol which is resolved to 0. Reference to an
undefined weak symbol is resolved to 0 when building executable if
it isn't dynamic and
*/
#define UNDEFINED_WEAK_RESOLVED_TO_ZERO(INFO, ID, GOT_RELOC, EH) \
((EH)->elf.root.type == bfd_link_hash_undefweak \
- && ((EH)->elf.forced_local \
+ && (SYMBOL_REFERENCES_LOCAL_P ((INFO), &(EH)->elf) \
|| (bfd_link_executable (INFO) \
&& (elf_x86_hash_table ((INFO), (ID))->interp == NULL \
|| !(GOT_RELOC) \
/* TRUE if symbol is defined as a protected symbol. */
unsigned int def_protected : 1;
+ /* 0: Symbol references are unknown.
+ 1: Symbol references aren't local.
+ 2: Symbol references are local.
+ */
+ unsigned int local_ref : 2;
+
/* Symbol is referenced by R_386_GOTOFF relocation. This is only used
by i386. */
unsigned int gotoff_ref : 1;
bfd_vma (*r_info) (bfd_vma, bfd_vma);
bfd_vma (*r_sym) (bfd_vma);
- bfd_boolean (*convert_load) (bfd *, asection *,
- struct bfd_link_info *);
bfd_boolean (*is_reloc_section) (const char *);
enum elf_target_id target_id;
unsigned int sizeof_reloc;
&& elf_tdata (bfd) != NULL \
&& elf_object_id (bfd) == (htab)->target_id)
-extern bfd_boolean _bfd_i386_elf_convert_load
- (bfd *, asection *, struct bfd_link_info *);
-
-extern bfd_boolean _bfd_x86_64_elf_convert_load
- (bfd *, asection *, struct bfd_link_info *);
-
extern bfd_boolean _bfd_x86_elf_mkobject
(bfd *);
extern bfd_boolean _bfd_x86_elf_adjust_dynamic_symbol
(struct bfd_link_info *, struct elf_link_hash_entry *);
+extern bfd_boolean _bfd_x86_elf_link_symbol_references_local
+ (struct bfd_link_info *, struct elf_link_hash_entry *);
+
extern asection * _bfd_x86_elf_gc_mark_hook
(asection *, struct bfd_link_info *, Elf_Internal_Rela *,
struct elf_link_hash_entry *, Elf_Internal_Sym *);
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