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| author | H.J. Lu <hjl.tools@gmail.com> | 2014-12-18 11:09:28 -0800 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2015-01-06 15:38:25 -0800 |
| commit | 4fc1b9d43cbce7571264a0011c87258b78252750 (patch) | |
| tree | 93ec540f596de570077e84135d9e1a78ac4b67a4 /gold/configure.ac | |
| parent | e7287c7f647870093b8ab5ffea0732ffdb8c4d66 (diff) | |
| download | gdb-4fc1b9d43cbce7571264a0011c87258b78252750.zip gdb-4fc1b9d43cbce7571264a0011c87258b78252750.tar.gz gdb-4fc1b9d43cbce7571264a0011c87258b78252750.tar.bz2 | |
Handle stack split for x32
X32 uses cmp %fs:NN,%esp, lea NN(%rsp),%r10d, lea NN(%rsp),%r11d,
instead of cmp %fs:NN,%rsp, lea NN(%rsp),%r10, lea NN(%rsp),%r11.
This patch handles it.
PR gold/17729
* configure.ac (DEFAULT_TARGET_X86_64): Don't set for x32.
(DEFAULT_TARGET_X32): Set for x32.
* x86_64.cc (cmp_insn_32): New.
(lea_r10_insn_32): Likewise.
(lea_r11_insn_32): Likewise.
(cmp_insn_64): Likewise.
(lea_r10_insn_64): Likewise.
(lea_r11_insn_64): Likewise.
(Target_x86_64<size>::do_calls_non_split): Handle x32.
* testsuite/Makefile.am (check_SCRIPTS): Add split_x32.sh.
(check_DATA): Add split_x32 files.
(split_x32_[1234n].o): New targets.
(split_x32_[124]): New targets.
(split_x32_[1234r].stdout): New targets.
* testsuite/split_x32.sh: New file.
* testsuite/split_x32_1.s: Likewise.
* testsuite/split_x32_2.s: Likewise.
* testsuite/split_x32_3.s: Likewise.
* testsuite/split_x32_4.s: Likewise.
* testsuite/split_x32_n.s: Likewise.
* configure: Regenerated.
* testsuite/Makefile.in: Likewise.
Diffstat (limited to 'gold/configure.ac')
| -rw-r--r-- | gold/configure.ac | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/gold/configure.ac b/gold/configure.ac index b574153..a2e5895 100644 --- a/gold/configure.ac +++ b/gold/configure.ac @@ -204,7 +204,20 @@ for targ in $target $canon_targets; do AM_CONDITIONAL(DEFAULT_TARGET_I386, test "$targ_obj" = "i386") AM_CONDITIONAL(DEFAULT_TARGET_POWERPC, test "$targ_obj" = "powerpc") AM_CONDITIONAL(DEFAULT_TARGET_SPARC, test "$targ_obj" = "sparc") - AM_CONDITIONAL(DEFAULT_TARGET_X86_64, test "$targ_obj" = "x86_64") + target_x86_64=no + target_x32=no + if test "$targ_obj" = "x86_64"; then + case "$target" in + x86_64*-linux-gnux32) + target_x32=yes + ;; + *) + target_x86_64=yes + ;; + esac + fi + AM_CONDITIONAL(DEFAULT_TARGET_X86_64, test "$target_x86_64" = "yes") + AM_CONDITIONAL(DEFAULT_TARGET_X32, test "$target_x32" = "yes") AM_CONDITIONAL(DEFAULT_TARGET_TILEGX, test "$targ_obj" = "tilegx") AM_CONDITIONAL(DEFAULT_TARGET_MIPS, test "$targ_obj" = "mips") DEFAULT_TARGET=${targ_obj} |