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PR ld/13990 

* elf32-arm.c (elf32_arm_gc_sweep_hook): Handle a forced-local
	symbol, where PLT refcount is set to -1.
This commit is contained in:
Hans-Peter Nilsson 2012-04-24 16:09:12 +00:00
parent f15f99484e
commit 2758625139
2 changed files with 19 additions and 2 deletions
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6
bfd/ChangeLog
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@ -1,3 +1,9 @@
2012-04-24 Hans-Peter Nilsson <hp@axis.com>
PR ld/13990
* elf32-arm.c (elf32_arm_gc_sweep_hook): Handle a forced-local
symbol, where PLT refcount is set to -1.
2012-04-24 Alan Modra <amodra@gmail.com>
PR ld/13991

15
bfd/elf32-arm.c
View File

@ -12256,8 +12256,19 @@ elf32_arm_gc_sweep_hook (bfd * abfd,
if (may_need_local_target_p
&& elf32_arm_get_plt_info (abfd, eh, r_symndx, &root_plt, &arm_plt))
{
BFD_ASSERT (root_plt->refcount > 0);
root_plt->refcount -= 1;
/* If PLT refcount book-keeping is wrong and too low, we'll
see a zero value (going to -1) for the root PLT reference
count. */
if (root_plt->refcount >= 0)
{
BFD_ASSERT (root_plt->refcount != 0);
root_plt->refcount -= 1;
}
else
/* A value of -1 means the symbol has become local, forced
or seeing a hidden definition. Any other negative value
is an error. */
BFD_ASSERT (root_plt->refcount == -1);
if (!call_reloc_p)
arm_plt->noncall_refcount--;