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/*-
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 * Copyright (c) 1990, 1993
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 *	The Regents of the University of California.  All rights reserved.
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 *
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 * This code is derived from software contributed to Berkeley by
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 * William Jolitz.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the University nor the names of its contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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/*
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 * C library -- _setjmp, _longjmp
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 *
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 *	longjmp(a,v)
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 * will generate a "return(v)" from the last call to
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 *	setjmp(a)
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 * by restoring registers from the stack.
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 * The previous signal state is restored.
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 */
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/* #include "DEFS.h" */
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#include <machine/asm.h>
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ENTRY(setjmp)
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	pushl	$0
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	call	sigblock
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	popl	%edx
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	movl	4(%esp),%ecx
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	movl	0(%esp),%edx
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	movl	%edx, 0(%ecx)
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	movl	%ebx, 4(%ecx)
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	movl	%esp, 8(%ecx)
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	movl	%ebp,12(%ecx)
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	movl	%esi,16(%ecx)
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	movl	%edi,20(%ecx)
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	movl	%eax,24(%ecx)
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	movl	$0,%eax
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	ret
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ENTRY(longjmp)
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	movl	4(%esp),%edx
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	pushl	24(%edx)
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	call	sigsetmask
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	popl	%eax
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	movl	4(%esp),%edx
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	movl	8(%esp),%eax
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	movl	0(%edx),%ecx
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	movl	4(%edx),%ebx
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	movl	8(%edx),%esp
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	movl	12(%edx),%ebp
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	movl	16(%edx),%esi
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	movl	20(%edx),%edi
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	cmpl	$0,%eax
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	jne	1f
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	movl	$1,%eax
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1:	movl	%ecx,0(%esp)
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	ret