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fix broken sigsetjmp on x86_64

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This commit is contained in:
Rich Felker 2011-04-08 11:56:52 -04:00
commit 60685ecad1
1 changed files with 9 additions and 7 deletions
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16
src/signal/x86_64/sigsetjmp.s
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@ -1,11 +1,13 @@
/* Copyright 2011 Nicholas J. Kain, licensed GNU LGPL 2.1 or later */ /* Copyright 2011 Nicholas J. Kain, licensed GNU LGPL 2.1 or later */
.global sigsetjmp .global sigsetjmp
sigsetjmp: sigsetjmp:
test %rsi,%rsi andl %esi,%esi
jz 1f /* if save == 0, just goto setjmp */ movq %rsi,64(%rdi)
movq %rsi,64(%rdi) /* move save -> jmp_buf[8] */ jz 1f
addq $72,%rdi /* add sizeof(jmp_buf) to rdi */ pushq %rdi
movl $0,%esi /* arg2 = 0 */ leaq 72(%rdi),%rsi
movl $2,%edx /* arg3 = 2 */ xorl %edx,%edx
call sigprocmask /* sigprocmask(jmp_buf, 0, 2) */ movl $2,%edi
call sigprocmask
popq %rdi
1: jmp setjmp 1: jmp setjmp