2 Copyright (C) 1995-1998,2000,2002,2005,2006,2009
3 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
21 #include <jmpbuf-offsets.h>
22 #include <asm-syntax.h>
27 movl 4(%esp), %eax /* User's jmp_buf in %eax. */
29 /* Save the return address now. */
30 movl (JB_PC*4)(%eax), %edx
31 /* Get the stack pointer. */
32 movl (JB_SP*4)(%eax), %ecx
36 cfi_register(%eip, %edx)
37 cfi_register(%esp, %ecx)
38 cfi_offset(%ebx, JB_BX*4)
39 cfi_offset(%esi, JB_SI*4)
40 cfi_offset(%edi, JB_DI*4)
41 cfi_offset(%ebp, JB_BP*4)
42 /* Restore registers. */
43 movl (JB_BX*4)(%eax), %ebx
44 movl (JB_SI*4)(%eax), %esi
45 movl (JB_DI*4)(%eax), %edi
46 movl (JB_BP*4)(%eax), %ebp
52 movl 8(%esp), %eax /* Second argument is return value. */
55 movl 4(%esp), %ecx /* User's jmp_buf in %ecx. */
56 movl 8(%esp), %eax /* Second argument is return value. */
57 /* Save the return address now. */
58 movl (JB_PC*4)(%ecx), %edx
59 /* Restore registers. */
60 movl (JB_BX*4)(%ecx), %ebx
61 movl (JB_SI*4)(%ecx), %esi
62 movl (JB_DI*4)(%ecx), %edi
63 movl (JB_BP*4)(%ecx), %ebp
64 movl (JB_SP*4)(%ecx), %esp
66 /* Jump to saved PC. */