1/* Copyright 2011-2012 Nicholas J. Kain, licensed under standard MIT license */
 2.global _longjmp
 3.global longjmp
 4.type _longjmp,@function
 5.type longjmp,@function
 6_longjmp:
 7longjmp:
 8	xor %eax,%eax
 9	cmp $1,%esi             /* CF = val ? 0 : 1 */
10	adc %esi,%eax           /* eax = val + !val */
11	mov (%rdi),%rbx         /* rdi is the jmp_buf, restore regs from it */
12	mov 8(%rdi),%rbp
13	mov 16(%rdi),%r12
14	mov 24(%rdi),%r13
15	mov 32(%rdi),%r14
16	mov 40(%rdi),%r15
17	mov 48(%rdi),%rsp
18	jmp *56(%rdi)           /* goto saved address without altering rsp */