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Fix LTO mismatched TLS reference

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PR 16846
	* elflink.c (_bfd_elf_merge_symbol): Ignore TLS mismatch when
	current bfd is a plugin.  Don't always set type_change_ok
	when old bfd is a plugin.
This commit is contained in:
Alan Modra 2014-04-17 13:08:32 +09:30
parent 389b98f7d8
commit 4c34aff883
2 changed files with 15 additions and 9 deletions
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7
bfd/ChangeLog
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@ -1,3 +1,10 @@
2014-04-17 Alan Modra <amodra@gmail.com>
PR 16846
* elflink.c (_bfd_elf_merge_symbol): Ignore TLS mismatch when
current bfd is a plugin. Don't always set type_change_ok
when old bfd is a plugin.
2014-04-16 Tristan Gingold <gingold@adacore.com>
* mach-o-x86-64.c (bfd_mach_o_x86_64_mkobject): Adjust cpusubtype

17
bfd/elflink.c
View File

@ -1105,15 +1105,14 @@ _bfd_elf_merge_symbol (bfd *abfd,
return TRUE;
}
/* Plugin symbol type isn't currently set. Stop bogus errors. */
if (oldbfd != NULL && (oldbfd->flags & BFD_PLUGIN) != 0)
*type_change_ok = TRUE;
/* Check TLS symbol. We don't check undefined symbol introduced by
"ld -u". */
else if (oldbfd != NULL
&& ELF_ST_TYPE (sym->st_info) != h->type
&& (ELF_ST_TYPE (sym->st_info) == STT_TLS || h->type == STT_TLS))
/* Check TLS symbols. We don't check undefined symbols introduced
by "ld -u" which have no type (and oldbfd NULL), and we don't
check symbols from plugins because they also have no type. */
if (oldbfd != NULL
&& (oldbfd->flags & BFD_PLUGIN) == 0
&& (abfd->flags & BFD_PLUGIN) == 0
&& ELF_ST_TYPE (sym->st_info) != h->type
&& (ELF_ST_TYPE (sym->st_info) == STT_TLS || h->type == STT_TLS))
{
bfd *ntbfd, *tbfd;
bfd_boolean ntdef, tdef;