2 Copyright (C) 1995, 1996, 1997, 2000, 2001 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 Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 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 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
23 #include <bits/setjmp.h>
24 #include <asm-syntax.h>
28 #define PARMS LINKAGE /* no space for saved regs */
30 #define SIGMSK JMPBUF+PTR_SIZE
32 ENTRY (BP_SYM (__sigsetjmp))
35 movl JMPBUF(%esp), %eax
36 CHECK_BOUNDS_BOTH_WIDE (%eax, JMPBUF(%esp), $JB_SIZE)
39 movl %ebx, (JB_BX*4)(%eax)
40 movl %esi, (JB_SI*4)(%eax)
41 movl %edi, (JB_DI*4)(%eax)
42 leal JMPBUF(%esp), %ecx /* Save SP as it will be after we return. */
43 movl %ecx, (JB_SP*4)(%eax)
44 movl PCOFF(%esp), %ecx /* Save PC we are returning to now. */
45 movl %ecx, (JB_PC*4)(%eax)
46 LEAVE /* pop frame pointer to prepare for tail-call. */
47 movl %ebp, (JB_BP*4)(%eax) /* Save caller's frame pointer. */
49 /* Make a tail call to __sigjmp_save; it takes the same args. */
50 jmp BP_SYM (__sigjmp_save)
51 END (BP_SYM (__sigsetjmp))