2000-02-18 03:39:52 +08:00
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/* This is file SETJMP.S */
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/*
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2001-02-23 06:12:43 +08:00
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** Copyright (C) 1993 DJ Delorie
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2000-02-18 03:39:52 +08:00
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**
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** This file is distributed under the terms listed in the document
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2001-02-23 06:12:43 +08:00
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** "copying.dj".
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2000-02-18 03:39:52 +08:00
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** A copy of "copying.dj" should accompany this file; if not, a copy
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** should be available from where this file was obtained. This file
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** may not be distributed without a verbatim copy of "copying.dj".
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**
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** This file is distributed WITHOUT ANY WARRANTY; without even the implied
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** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*/
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/*
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** jmp_buf:
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** eax ebx ecx edx esi edi ebp esp eip es fs gs ss
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** 0 4 8 12 16 20 24 28 32 36 38 40 42
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*/
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.globl _setjmp /* jmp_buf */
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_setjmp:
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pushl %ebp
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movl %esp,%ebp
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pushl %edi
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movl 8(%ebp),%edi
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movl %eax,0(%edi)
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movl %ebx,4(%edi)
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movl %ecx,8(%edi)
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movl %edx,12(%edi)
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movl %esi,16(%edi)
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movl -4(%ebp),%eax
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movl %eax,20(%edi)
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movl 0(%ebp),%eax
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movl %eax,24(%edi)
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movl %esp,%eax
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addl $12,%eax
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movl %eax,28(%edi)
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movl 4(%ebp),%eax
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movl %eax,32(%edi)
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movw %es, %ax
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movw %ax, 36(%edi)
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movw %fs, %ax
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movw %ax, 38(%edi)
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movw %gs, %ax
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movw %ax, 40(%edi)
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movw %ss, %ax
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movw %ax, 42(%edi)
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popl %edi
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movl $0,%eax
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leave
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ret
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