12345678910111213141516171819202122232425262728293031323334353637383940414243 |
- /* longjmp for i386.
- Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Library General Public License as
- published by the Free Software Foundation; either version 2 of the
- License, or (at your option) any later version.
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Library General Public License for more details.
- You should have received a copy of the GNU Library General Public
- License along with the GNU C Library; see the file COPYING.LIB. If not,
- write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
- #include <features.h>
- #define _ASM
- #define _SETJMP_H
- #include <bits/setjmp.h>
- .global __longjmp
- .type __longjmp,%function
- .align 4
- __longjmp:
- movl 4(%esp), %ecx /* User's jmp_buf in %ecx. */
- movl 8(%esp), %eax /* Second argument is return value. */
- /* Save the return address now. */
- movl (JB_PC*4)(%ecx), %edx
- /* Restore registers. */
- movl (JB_BX*4)(%ecx), %ebx
- movl (JB_SI*4)(%ecx), %esi
- movl (JB_DI*4)(%ecx), %edi
- movl (JB_BP*4)(%ecx), %ebp
- movl (JB_SP*4)(%ecx), %esp
- /* Jump to saved PC. */
- jmp *%edx
- .size __longjmp,.-__longjmp
- libc_hidden_def(__longjmp)
|