1208737Sjmallett/*	$NetBSD: getcontext.S,v 1.2 2003/01/18 11:14:01 thorpej Exp $	*/
2208737Sjmallett
3208737Sjmallett/*-
4208737Sjmallett * Copyright (c) 2001 The NetBSD Foundation, Inc.
5208737Sjmallett * All rights reserved.
6208737Sjmallett *
7208737Sjmallett * This code is derived from software contributed to The NetBSD Foundation
8208737Sjmallett * by Klaus Klein.
9208737Sjmallett *
10208737Sjmallett * Redistribution and use in source and binary forms, with or without
11208737Sjmallett * modification, are permitted provided that the following conditions
12208737Sjmallett * are met:
13208737Sjmallett * 1. Redistributions of source code must retain the above copyright
14208737Sjmallett *    notice, this list of conditions and the following disclaimer.
15208737Sjmallett * 2. Redistributions in binary form must reproduce the above copyright
16208737Sjmallett *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <machine/asm.h>
33#if defined(SYSLIBC_SCCS) && !defined(lint)
34	RCSID("$NetBSD: getcontext.S,v 1.2 2003/01/18 11:14:01 thorpej Exp $")
35#endif /* SYSLIBC_SCCS and not lint */
36
37#include "SYS.h"
38
39#ifdef WEAK_ALIAS
40WEAK_ALIAS(getcontext,_getcontext)
41#endif
42
43_SYSCALL(_getcontext,getcontext)
44	sts	pr, r2
45	mov.l	r2, @(36 + 1 * 4, r4)	/* saved pc <- pr */
46	add	#36 + 20 * 4, r4
47	rts
48	 mov.l	r0, @r4			/* arrange for return value 0 */
49