/* 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