| /* Copyright 2011-2012 Nicholas J. Kain, licensed under standard MIT license */ |
| .global __setjmp |
| .global _setjmp |
| .global setjmp |
| .type __setjmp,@function |
| .type _setjmp,@function |
| .type setjmp,@function |
| __setjmp: |
| _setjmp: |
| setjmp: |
| mov %rbx,(%rdi) /* rdi is jmp_buf, move registers onto it */ |
| mov %rbp,8(%rdi) |
| mov %r12,16(%rdi) |
| mov %r13,24(%rdi) |
| mov %r14,32(%rdi) |
| mov %r15,40(%rdi) |
| lea 8(%rsp),%rdx /* this is our rsp WITHOUT current ret addr */ |
| mov %rdx,48(%rdi) |
| mov (%rsp),%rdx /* save return addr ptr for new rip */ |
| mov %rdx,56(%rdi) |
| xor %rax,%rax /* always return 0 */ |
| ret |
