Benny Prijono | 0a749f1 | 2005-10-31 21:02:30 +0000 | [diff] [blame^] | 1 | /* longjmp for i386.
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| 2 | Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
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| 3 | This file is part of the GNU C Library.
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| 4 |
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| 5 | The GNU C Library is free software; you can redistribute it and/or
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| 6 | modify it under the terms of the GNU Library General Public License as
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| 7 | published by the Free Software Foundation; either version 2 of the
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| 8 | License, or (at your option) any later version.
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| 9 |
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| 10 | The GNU C Library is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 13 | Library General Public License for more details.
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| 14 |
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| 15 | You should have received a copy of the GNU Library General Public
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| 16 | License along with the GNU C Library; see the file COPYING.LIB. If not,
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| 17 | write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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| 18 | Boston, MA 02111-1307, USA. */
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| 19 |
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| 20 | #define _ASM
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| 21 | #define _SETJMP_H
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| 22 | #define PJ_LINUX_KERNEL 1
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| 23 | #include <pj/compat/setjmp.h>
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| 24 |
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| 25 | .global __longjmp
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| 26 | .type __longjmp,%function
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| 27 | .align 4
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| 28 | __longjmp:
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| 29 | movl 4(%esp), %ecx /* User's jmp_buf in %ecx. */
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| 30 | movl 8(%esp), %eax /* Second argument is return value. */
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| 31 | /* Save the return address now. */
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| 32 | movl (JB_PC*4)(%ecx), %edx
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| 33 | /* Restore registers. */
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| 34 | movl (JB_BX*4)(%ecx), %ebx
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| 35 | movl (JB_SI*4)(%ecx), %esi
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| 36 | movl (JB_DI*4)(%ecx), %edi
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| 37 | movl (JB_BP*4)(%ecx), %ebp
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| 38 | movl (JB_SP*4)(%ecx), %esp
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| 39 | /* Jump to saved PC. */
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| 40 | jmp *%edx
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| 41 | .size __longjmp,.-__longjmp
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| 42 |
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