diff options
Diffstat (limited to 'src/signal/x86_64/sigsetjmp.s')
| -rw-r--r-- | src/signal/x86_64/sigsetjmp.s | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/src/signal/x86_64/sigsetjmp.s b/src/signal/x86_64/sigsetjmp.s new file mode 100644 index 00000000..0a450785 --- /dev/null +++ b/src/signal/x86_64/sigsetjmp.s @@ -0,0 +1,11 @@ +/* Copyright 2011 Nicholas J. Kain, licensed GNU LGPL 2.1 or later */ +.global sigsetjmp +sigsetjmp: + test %rsi,%rsi + jz 1f /* if save == 0, just goto setjmp */ + movq %rsi,64(%rdi) /* move save -> jmp_buf[8] */ + addq $72,%rdi /* add sizeof(jmp_buf) to rdi */ + movl $0,%esi /* arg2 = 0 */ + movl $2,%edx /* arg3 = 2 */ + call sigprocmask /* sigprocmask(jmp_buf, 0, 2) */ +1: jmp setjmp |