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/* This is file LONGJMP.S */
/*
** Copyright (C) 1991 DJ Delorie, 24 Kirsten Ave, Rochester NH 03867-2954
**
** This file is distributed under the terms listed in the document
** "copying.dj", available from DJ Delorie at the address above.
** A copy of "copying.dj" should accompany this file; if not, a copy
** should be available from where this file was obtained.  This file
** may not be distributed without a verbatim copy of "copying.dj".
**
** This file is distributed WITHOUT ANY WARRANTY; without even the implied
** warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*/

/*
**	jmp_buf:
**	 eax ebx ecx edx esi edi ebp esp eip
**	 0   4   8   12  16  20  24  28  32
*/

	.globl	_longjmp /* jmp_buf, int */
_longjmp:
	pushl	%ebp
	movl	%esp,%ebp

	movl	8(%ebp),%edi	/* get jmp_buf */
	movl	12(%ebp),%eax	/* store retval in j->eax */
	movl	%eax,0(%edi)

	movl	24(%edi),%ebp

	cli
	movl	28(%edi),%esp
	
	pushl	32(%edi)	/* for a ret! */

	movl	0(%edi),%eax
	movl	4(%edi),%ebx
	movl	8(%edi),%ecx
	movl	12(%edi),%edx
	movl	16(%edi),%esi
	movl	20(%edi),%edi
	sti

	ret			/* actually jump to new eip */
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