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authorH.J. Lu <hjl.tools@gmail.com>2016-02-10 19:33:52 -0800
committerH.J. Lu <hjl.tools@gmail.com>2016-02-10 19:33:52 -0800
commit32875eb1f3b928dfe63c5752e8152a9dc09928f3 (patch)
tree7d780b230e36bc7b2ba73551017f69067fa2c7d2 /bfd
parentcd7c1b9a7e11b20916ac0aa0f776d35897ebd47b (diff)
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Mask off the least significant bit in GOT offset
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.
Diffstat (limited to 'bfd')
-rw-r--r--bfd/ChangeLog6
-rw-r--r--bfd/elf32-i386.c6
2 files changed, 10 insertions, 2 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 40739c8..017bbc1 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -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
diff --git a/bfd/elf32-i386.c b/bfd/elf32-i386.c
index ccd0135..a8951d8 100644
--- a/bfd/elf32-i386.c
+++ b/bfd/elf32-i386.c
@@ -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;