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/* BSD `setjmp' entry point to `sigsetjmp (..., 1)'. i386 version.
Copyright (C) 1995, 1996, 1997, 2000, 2001 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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
.global setjmp
.type setjmp,%function
setjmp:
movl 4 (%esp), %eax
/* Save registers. */
movl %ebx, (0 *4)(%eax)
movl %esi, (1 *4)(%eax)
movl %edi, (2 *4)(%eax)
/* Save SP as it will be after we return. */
leal 4 (%esp), %ecx
movl %ecx, (4 *4)(%eax)
/* Save PC we are returning to now. */
movl 0 (%esp), %ecx
movl %ecx, (5 *4)(%eax)
/* Save caller's frame pointer. */
movl %ebp, (3 *4)(%eax)
/* Call __sigjmp_save. */
pushl $1
pushl 8(%esp)
#ifdef __PIC__
/* We cannot use the PLT, because it requires that %ebx be set, but
we can't save and restore our caller's value. Instead, we do an
indirect jump through the GOT, using for the temporary register
%ecx, which is call-clobbered. */
call here2
here2: popl %ecx
addl $_GLOBAL_OFFSET_TABLE_+[.-here2], %ecx
movl __sigjmp_save @GOT (%ecx), %ecx
call *%ecx
#else
call __sigjmp_save
#endif
popl %ecx
popl %edx
ret
.size setjmp,.-setjmp
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