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freifunkist-firmware/toolchain/binutils/patches/2.22/500-arm_ld_assert_fix.patch

26 lines
902 B

See http://sourceware.org/bugzilla/show_bug.cgi?id=13990 for details.
---
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -12046,8 +12046,19 @@ elf32_arm_gc_sweep_hook (bfd *
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--;