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* bfd/elflink.c (_bfd_elf_merge_symbol): Tighten up the test for early

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exit due to merging the same weak symbol to test that the symbols are
	actually weak.
This commit is contained in:
Matthew Gretton-Dann 2010-04-14 08:29:33 +00:00
parent 5558e7e691
commit 895fa45f39
2 changed files with 12 additions and 5 deletions
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6
bfd/ChangeLog
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@ -1,3 +1,9 @@
2010-04-14 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
* elflink.c (_bfd_elf_merge_symbol): Tighten up the test for early
exit due to merging the same weak symbol to test that the symbols are
actually weak.
2010-04-13 Alan Modra <amodra@gmail.com>
* elf64-ppc.c (ppc64_elf_relocate_section): Correct NOP location

11
bfd/elflink.c
View File

@ -1013,6 +1013,11 @@ _bfd_elf_merge_symbol (bfd *abfd,
break;
}
/* Differentiate strong and weak symbols. */
newweak = bind == STB_WEAK;
oldweak = (h->root.type == bfd_link_hash_defweak
|| h->root.type == bfd_link_hash_undefweak);
/* In cases involving weak versioned symbols, we may wind up trying
to merge a symbol with itself. Catch that here, to avoid the
confusion that results if we try to override a symbol with
@ -1020,6 +1025,7 @@ _bfd_elf_merge_symbol (bfd *abfd,
_GLOBAL_OFFSET_TABLE_, which are regular symbols defined in a
dynamic object, which we do want to handle here. */
if (abfd == oldbfd
&& (newweak || oldweak)
&& ((abfd->flags & DYNAMIC) == 0
|| !h->def_regular))
return TRUE;
@ -1241,11 +1247,6 @@ _bfd_elf_merge_symbol (bfd *abfd,
return TRUE;
}
/* Differentiate strong and weak symbols. */
newweak = bind == STB_WEAK;
oldweak = (h->root.type == bfd_link_hash_defweak
|| h->root.type == bfd_link_hash_undefweak);
if (bind == STB_GNU_UNIQUE)
h->unique_global = 1;