2 Copyright (C) 1995 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
17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
18 Cambridge, MA 02139, USA. */
25 movl 4(%esp), %eax /* User's jmp_buf in %eax. */
27 movl %ebx, (JB_BX*4)(%eax)
28 movl %esi, (JB_SI*4)(%eax)
29 movl %edi, (JB_DI*4)(%eax)
30 movl %ebp, (JB_BP*4)(%eax)
31 leal 4(%esp), %ecx /* Save SP as it will be after we return. */
32 movl %ecx, (JB_SP*4)(%eax)
33 movl 0(%esp), %ecx /* Save PC we are returning to now. */
34 movl %ecx, (JB_PC*4)(%eax)
36 /* Make a tail call to __sigjmp_save; it takes the same args. */
38 /* We cannot use the PLT, because it requires that %ebx be set, but
39 we can't save and restore our caller's value. Instead, we do an
40 indirect jump through the GOT, using for the temporary register
41 %ecx, which is call-clobbered. */
44 addl $_GLOBAL_OFFSET_TABLE_+[.-here], %ecx
45 movl C_SYMBOL_NAME(__sigjmp_save@GOT)(%ecx), %ecx