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