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x86: Add VERIFY_COPY_RELOC

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Add VERIFY_COPY_RELOC to verify that symbol supports copy relocation.

	* elfxx-x86.h (VERIFY_COPY_RELOC): New.
	* elf32-i386.c (elf_i386_finish_dynamic_symbol): Use it.
	* elf64-x86-64.c (elf_x86_64_finish_dynamic_symbol): Likewise.
This commit is contained in:
H.J. Lu 2017-10-06 00:50:12 -07:00
parent f3180fa9ee
commit ff38b4cc55
4 changed files with 17 additions and 14 deletions
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6
bfd/ChangeLog
View File

@ -1,3 +1,9 @@
2017-10-06 H.J. Lu <hongjiu.lu@intel.com>
* elfxx-x86.h (VERIFY_COPY_RELOC): New.
* elf32-i386.c (elf_i386_finish_dynamic_symbol): Use it.
* elf64-x86-64.c (elf_x86_64_finish_dynamic_symbol): Likewise.
2017-10-06 H.J. Lu <hongjiu.lu@intel.com>
* elfxx-x86.h (VERIFY_PLT_ENTRY): New.

8
bfd/elf32-i386.c
View File

@ -3908,13 +3908,7 @@ do_glob_dat:
asection *s;
/* This symbol needs a copy reloc. Set it up. */
if (h->dynindx == -1
|| (h->root.type != bfd_link_hash_defined
&& h->root.type != bfd_link_hash_defweak)
|| htab->elf.srelbss == NULL
|| htab->elf.sreldynrelro == NULL)
abort ();
VERIFY_COPY_RELOC (h, htab)
rel.r_offset = (h->root.u.def.value
+ h->root.u.def.section->output_section->vma

8
bfd/elf64-x86-64.c
View File

@ -4253,13 +4253,7 @@ do_glob_dat:
asection *s;
/* This symbol needs a copy reloc. Set it up. */
if (h->dynindx == -1
|| (h->root.type != bfd_link_hash_defined
&& h->root.type != bfd_link_hash_defweak)
|| htab->elf.srelbss == NULL
|| htab->elf.sreldynrelro == NULL)
abort ();
VERIFY_COPY_RELOC (h, htab)
rela.r_offset = (h->root.u.def.value
+ h->root.u.def.section->output_section->vma

9
bfd/elfxx-x86.h
View File

@ -208,6 +208,15 @@
|| (RELPLT) == NULL) \
abort ();
/* Verify that the symbol supports copy relocation. */
#define VERIFY_COPY_RELOC(H, HTAB) \
if ((H)->dynindx == -1 \
|| ((H)->root.type != bfd_link_hash_defined \
&& (H)->root.type != bfd_link_hash_defweak) \
|| (HTAB)->elf.srelbss == NULL \
|| (HTAB)->elf.sreldynrelro == NULL) \
abort ();
/* x86 ELF linker hash entry. */
struct elf_x86_link_hash_entry