https://sourceware.org/bugzilla/show_bug.cgi?id=17482
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- Log -----------------------------------------------------------------
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=cf61b7473a8ee3b43c4f8f2776075ec8d81d7495
commit cf61b7473a8ee3b43c4f8f2776075ec8d81d7495
Author: H.J. Lu <hjl.to...@gmail.com>
Date: Fri Nov 7 12:22:53 2014 -0800
X32: Add REX prefix to encode R_X86_64_GOTTPOFF
Structions with R_X86_64_GOTTPOFF relocation must be encoded with REX
prefix even if it isn't required by destination register. Otherwise
linker can't safely perform IE -> LE optimization.
bfd/
PR ld/17482
* elf64-x86-64.c (elf_x86_64_relocate_section): Update comments
for IE->LE transition.
gas/
PR ld/17482
* config/tc-i386.c (output_insn): Add a dummy REX_OPCODE prefix
for structions with R_X86_64_GOTTPOFF relocation for x32 if needed.
gas/testsuite/
PR ld/17482
* gas/i386/ilp32/x32-tls.d: New file.
* gas/i386/ilp32/x32-tls.s: Likewise.
ld/testsuite/
PR ld/17482
* ld-x86-64/tlsie4.dd: Updated.
-----------------------------------------------------------------------
Summary of changes:
bfd/ChangeLog | 6 ++++++
bfd/elf64-x86-64.c | 22 ++++++++++++++++------
gas/ChangeLog | 6 ++++++
gas/config/tc-i386.c | 9 +++++++++
gas/testsuite/ChangeLog | 6 ++++++
gas/testsuite/gas/i386/ilp32/x32-tls.d | 13 +++++++++++++
gas/testsuite/gas/i386/ilp32/x32-tls.s | 13 +++++++++++++
ld/testsuite/ChangeLog | 5 +++++
ld/testsuite/ld-x86-64/tlsie4.dd | 4 ++--
9 files changed, 76 insertions(+), 8 deletions(-)
create mode 100644 gas/testsuite/gas/i386/ilp32/x32-tls.d
create mode 100644 gas/testsuite/gas/i386/ilp32/x32-tls.s
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