arch/x86_64-all/posixc/sigsetjmp.s

   1 /*
   2     Copyright © 2015, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: ANSI C function sigsetjmp()
   6     Lang: english
   7 */
   8
   9         #include "aros/x86_64/asm.h"
  10
  11         .text
  12         _ALIGNMENT
  13         .globl  AROS_CDEFNAME(sigsetjmp)
  14         _FUNCTION(AROS_CDEFNAME(sigsetjmp))
  15
  16 AROS_CDEFNAME(sigsetjmp):
  17         /* Save stack pointer and all registers into env */
  18         mov %rbx,8(%rdi) /* %ebx */
  19         mov %rcx,16(%rdi) /* %ecx */
  20         mov %rdx,24(%rdi) /* %edx */
  21         mov %rsi,32(%rdi) /* %esi */
  22         mov %rdi,40(%rdi) /* %edi */
  23         mov %rbp,48(%rdi) /* %ebp */
  24         mov %r8,56(%rdi)
  25         mov %r9,64(%rdi)
  26         mov %r10,72(%rdi)
  27         mov %r11,80(%rdi)
  28         mov %r12,88(%rdi)
  29         mov %r13,96(%rdi)
  30         mov %r14,104(%rdi)
  31         mov %r15,112(%rdi)
  32         mov %rsp,120(%rdi) /* %esp */
  33
  34         mov retaddr(%rsp),%rax /* Save return address (%esp has changed) */
  35         mov %rax,0(%rdi)
  36
  37         xor %rax,%rax /* Return 0 */
  38         ret