2 Copyright (C) 1995-1998,2000,2002,2005 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 #include <bits/setjmp.h>
24 #include <asm-syntax.h>
28 #define PARMS LINKAGE /* no space for saved regs */
30 #define VAL JBUF+PTR_SIZE
32 ENTRY (BP_SYM (__longjmp))
35 movl JBUF(%esp), %ecx /* User's jmp_buf in %ecx. */
36 CHECK_BOUNDS_BOTH_WIDE (%ecx, JBUF(%esp), $JB_SIZE)
38 movl VAL(%esp), %eax /* Second argument is return value. */
39 /* Save the return address now. */
40 movl (JB_PC*4)(%ecx), %edx
41 /* Restore registers. */
42 movl (JB_BX*4)(%ecx), %ebx
43 movl (JB_SI*4)(%ecx), %esi
44 movl (JB_DI*4)(%ecx), %edi
45 movl (JB_BP*4)(%ecx), %ebp
46 movl (JB_SP*4)(%ecx), %esp
50 /* Jump to saved PC. */
52 END (BP_SYM (__longjmp))