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