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Mask off the least significant bit in GOT offset

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The least significant bit in GOT offset is to record whether we have
initialized the GOT entry in R_386_GOT32 processing.  We need to mask
it off for R_386_GOT32X.

	PR ld/19601
	* elf32-i386.c (elf_i386_relocate_section): Mask off the least
	significant bit in GOT offset for R_386_GOT32X.
This commit is contained in:
H.J. Lu
2016-02-10 19:33:52 -08:00
parent cd7c1b9a7e
commit 32875eb1f3
2 changed files with 10 additions and 2 deletions
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6
bfd/ChangeLog
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@ -1,3 +1,9 @@
2016-02-10 H.J. Lu <hongjiu.lu@intel.com>
PR ld/19601
* elf32-i386.c (elf_i386_relocate_section): Mask off the least
significant bit in GOT offset for R_386_GOT32X.
2016-02-10 Nick Clifton <nickc@redhat.com>
PR 19405

6
bfd/elf32-i386.c
View File

@ -4016,10 +4016,12 @@ elf_i386_relocate_section (bfd *output_bfd,
/* It is relative to .got.plt section. */
if (h->got.offset != (bfd_vma) -1)
/* Use GOT entry. */
/* Use GOT entry. Mask off the least significant bit in
GOT offset which may be set by R_386_GOT32 processing
below. */
relocation = (htab->elf.sgot->output_section->vma
+ htab->elf.sgot->output_offset
+ h->got.offset - offplt);
+ (h->got.offset & ~1) - offplt);
else
/* Use GOTPLT entry. */
relocation = (h->plt.offset / plt_entry_size - 1 + 3) * 4;