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x86: Add _bfd_x86_elf_gc_mark_hook

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Since R_X86_64_GNU_VTINHERIT == R_386_GNU_VTINHERIT and
R_X86_64_GNU_VTENTRY == R_386_GNU_VTENTRY, we can share
_bfd_x86_elf_gc_mark_hook in elf32-i386.c and elf64-x86-64.c.

	* elf32-i386.c (elf_i386_gc_mark_hook): Removed.
	(elf_backend_gc_mark_hook): Likewise.
	* elf64-x86-64.c (elf_x86_64_gc_mark_hook): Likewise.
	(elf_backend_gc_mark_hook): Likewise.
	* elfxx-x86.c (_bfd_x86_elf_gc_mark_hook): New function.
	* elfxx-x86.h (_bfd_x86_elf_gc_mark_hook): New.
	(elf_backend_gc_mark_hook): Likewise.
This commit is contained in:
H.J. Lu
2017-09-01 14:51:58 -07:00
parent eeb2f20a76
commit 4f501a245f
5 changed files with 44 additions and 44 deletions
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22
bfd/elf32-i386.c
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@@ -1974,27 +1974,6 @@ error_return:
return FALSE;
}
/* Return the section that should be marked against GC for a given
relocation. */
static asection *
elf_i386_gc_mark_hook (asection *sec,
struct bfd_link_info *info,
Elf_Internal_Rela *rel,
struct elf_link_hash_entry *h,
Elf_Internal_Sym *sym)
{
if (h != NULL)
switch (ELF32_R_TYPE (rel->r_info))
{
case R_386_GNU_VTINHERIT:
case R_386_GNU_VTENTRY:
return NULL;
}
return _bfd_elf_gc_mark_hook (sec, info, rel, h, sym);
}
/* Allocate space in .plt, .got and associated reloc sections for
dynamic relocs. */
@@ -5690,7 +5669,6 @@ elf_i386_link_setup_gnu_properties (struct bfd_link_info *info)
#define elf_backend_finish_dynamic_sections elf_i386_finish_dynamic_sections
#define elf_backend_finish_dynamic_symbol elf_i386_finish_dynamic_symbol
#define elf_backend_output_arch_local_syms elf_i386_output_arch_local_syms
#define elf_backend_gc_mark_hook elf_i386_gc_mark_hook
#define elf_backend_grok_prstatus elf_i386_grok_prstatus
#define elf_backend_grok_psinfo elf_i386_grok_psinfo
#define elf_backend_reloc_type_class elf_i386_reloc_type_class