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binutils-gdb/gold/testsuite/split_x32_1.s

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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.
2014-12-18 20:09:28 +01:00
# split_x32_1.s: x32 specific test case for -fsplit-stack.
.text
.global fn1
.type fn1,@function
fn1:
cmp %fs:0x40,%esp
jae 1f
callq __morestack
retq
1:
callq fn2
retq
.size fn1,. - fn1
.global fn2
.type fn2,@function
fn2:
lea -0x200(%rsp),%r10d
cmp %fs:0x40,%r10d
jae 1f
callq __morestack
retq
1:
callq fn1
retq
.size fn2,. - fn2
.section .note.GNU-stack,"",@progbits
.section .note.GNU-split-stack,"",@progbits