1/*	$NetBSD: compat_Ovfork.S,v 1.3 2020/05/05 06:20:55 skrll Exp $	*/
2
3/*	$OpenBSD: Ovfork.S,v 1.7 2001/06/04 23:14:04 mickey Exp $	*/
4
5/*
6 * Copyright (c) 1999,2002 Michael Shalayeff
7 * All rights reserved.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
22 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
24 * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
26 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
27 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "SYS.h"
32
33#if defined(LIBC_SCCS) && !defined(lint)
34	RCSID("$NetBSD: compat_Ovfork.S,v 1.3 2020/05/05 06:20:55 skrll Exp $")
35#endif /* LIBC_SCCS and not lint */
36
37ENTRY(vfork,0)
38	SYSCALL(vfork)
39	addi	-1, %ret1, %ret1
40	bv	%r0(%rp)
41	 and	%ret1, %ret0, %ret0
42EXIT(vfork)
43
44	.end
45