alpha/sys/getcontext.S

1.1.2.1  nathanw /*	$NetBSD: getcontext.S,v 1.1.2.1 2002/01/28 20:11:28 nathanw Exp $	*/
1.1.2.1  nathanw
1.1.2.1  nathanw /*-
1.1.2.1  nathanw  * Copyright (c) 2001 The NetBSD Foundation, Inc.
1.1.2.1  nathanw  * All rights reserved.
1.1.2.1  nathanw  *
1.1.2.1  nathanw  * This code is derived from software contributed to The NetBSD Foundation
1.1.2.1  nathanw  * by Klaus Klein.
1.1.2.1  nathanw  *
1.1.2.1  nathanw  * Redistribution and use in source and binary forms, with or without
1.1.2.1  nathanw  * modification, are permitted provided that the following conditions
1.1.2.1  nathanw  * are met:
1.1.2.1  nathanw  * 1. Redistributions of source code must retain the above copyright
1.1.2.1  nathanw  *    notice, this list of conditions and the following disclaimer.
1.1.2.1  nathanw  * 2. Redistributions in binary form must reproduce the above copyright
1.1.2.1  nathanw  *    notice, this list of conditions and the following disclaimer in the
1.1.2.1  nathanw  *    documentation and/or other materials provided with the distribution.
1.1.2.1  nathanw  * 3. All advertising materials mentioning features or use of this software
1.1.2.1  nathanw  *    must display the following acknowledgement:
1.1.2.1  nathanw  *        This product includes software developed by the NetBSD
1.1.2.1  nathanw  *        Foundation, Inc. and its contributors.
1.1.2.1  nathanw  * 4. Neither the name of The NetBSD Foundation nor the names of its
1.1.2.1  nathanw  *    contributors may be used to endorse or promote products derived
1.1.2.1  nathanw  *    from this software without specific prior written permission.
1.1.2.1  nathanw  *
1.1.2.1  nathanw  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
1.1.2.1  nathanw  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
1.1.2.1  nathanw  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.1.2.1  nathanw  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
1.1.2.1  nathanw  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.1.2.1  nathanw  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.1.2.1  nathanw  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.1.2.1  nathanw  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.1.2.1  nathanw  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.1.2.1  nathanw  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.1.2.1  nathanw  * POSSIBILITY OF SUCH DAMAGE.
1.1.2.1  nathanw  */
1.1.2.1  nathanw
1.1.2.1  nathanw #include "SYS.h"
1.1.2.1  nathanw
1.1.2.1  nathanw #ifdef WEAK_ALIAS
1.1.2.1  nathanw WEAK_ALIAS(getcontext, _getcontext)
1.1.2.1  nathanw #endif
1.1.2.1  nathanw
1.1.2.1  nathanw LEAF(_getcontext, 1)
1.1.2.1  nathanw 	CALLSYS_ERROR(getcontext)
1.1.2.1  nathanw 	stq	ra, (56 + 32 * 8)(a0)	/* Adjust saved PC */
1.1.2.1  nathanw 	stq	zero, (56 + 0 * 8)(a0)	/* Arrange for a return value of 0 */
1.1.2.1  nathanw 	RET
1.1.2.1  nathanw END(_getcontext)