62 lines
2.0 KiB
ArmAsm
62 lines
2.0 KiB
ArmAsm
/* setjmp for i386, ELF version.
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Copyright (C) 1995, 1996, 1997, 2000, 2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#define _ASM
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#define _SETJMP_H
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#define PJ_LINUX_KERNEL 1
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#include <pj/compat/setjmp.h>
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.global __sigsetjmp
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.type __sigsetjmp,%function
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.align 4
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__sigsetjmp:
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movl 4 (%esp), %eax
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/* Save registers. */
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movl %ebx, (0 *4)(%eax)
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movl %esi, (1 *4)(%eax)
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movl %edi, (2 *4)(%eax)
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/* Save SP as it will be after we return. */
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leal 4(%esp), %ecx
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movl %ecx, (4 *4)(%eax)
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/* Save PC we are returning to now. */
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movl 0(%esp), %ecx
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movl %ecx, (5 *4)(%eax)
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/* Save caller's frame pointer. */
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movl %ebp, (3 *4)(%eax)
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/* Make a tail call to __sigjmp_save; it takes the same args. */
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#ifdef __PIC__
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/* We cannot use the PLT, because it requires that %ebx be set, but
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we can't save and restore our caller's value. Instead, we do an
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indirect jump through the GOT, using for the temporary register
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%ecx, which is call-clobbered. */
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call .Lhere
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.Lhere:
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popl %ecx
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addl $_GLOBAL_OFFSET_TABLE_+[.- .Lhere ], %ecx
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movl __sigjmp_save @GOT (%ecx), %ecx
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jmp *%ecx
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#else
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jmp __sigjmp_save
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#endif
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.size __sigsetjmp,.-__sigsetjmp
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