11849Swollman/*-
21849Swollman * Copyright (c) 1990 The Regents of the University of California.
31849Swollman * All rights reserved.
41849Swollman *
51849Swollman * This code is derived from software contributed to Berkeley by
61849Swollman * William Jolitz.
71849Swollman *
81849Swollman * Redistribution and use in source and binary forms, with or without
91849Swollman * modification, are permitted provided that the following conditions
101849Swollman * are met:
111849Swollman * 1. Redistributions of source code must retain the above copyright
121849Swollman *    notice, this list of conditions and the following disclaimer.
131849Swollman * 2. Redistributions in binary form must reproduce the above copyright
141849Swollman *    notice, this list of conditions and the following disclaimer in the
151849Swollman *    documentation and/or other materials provided with the distribution.
161849Swollman * 4. Neither the name of the University nor the names of its contributors
171849Swollman *    may be used to endorse or promote products derived from this software
181849Swollman *    without specific prior written permission.
191849Swollman *
201849Swollman * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
211849Swollman * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
221849Swollman * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
231849Swollman * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
241849Swollman * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
251849Swollman * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
261849Swollman * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
271849Swollman * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
281849Swollman * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
291849Swollman * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
301849Swollman * SUCH DAMAGE.
311849Swollman */
321849Swollman
3392999Sobrien#if defined(SYSLIBC_SCCS) && !defined(lint)
3492999Sobrien	.asciz "@(#)Ovfork.s	5.1 (Berkeley) 4/23/90"
3592999Sobrien#endif /* SYSLIBC_SCCS and not lint */
3692999Sobrien#include <machine/asm.h>
3792999Sobrien__FBSDID("$FreeBSD$");
381849Swollman
391849Swollman#include "SYS.h"
401849Swollman
4171579Sdeischen	.weak	_vfork
4271579Sdeischen	.set	_vfork,__sys_vfork
4371579Sdeischen	.weak	vfork
4471579Sdeischen	.set	vfork,__sys_vfork
4571579SdeischenENTRY(__sys_vfork)
461849Swollman	popl	%ecx		/* my rta into ecx */
4787006Sjhb	mov	$SYS_vfork,%eax
4815634Speter	KERNCALL
4986325Sjhb	jb	1f
5069332Sjhb	jmp	*%ecx
5186325Sjhb1:
5239455Sluoqi	pushl	%ecx
5339455Sluoqi	PIC_PROLOGUE
5439455Sluoqi	jmp     PIC_PLT(HIDENAME(cerror))
55184548SpeterEND(__sys_vfork)
56217106Skib
57217106Skib	.section .note.GNU-stack,"",%progbits
58