mips/sys/getcontext.S

1.1.2.4  wdk /*	$NetBSD: getcontext.S,v 1.1.2.4 2003/01/05 06:48:06 wdk Exp $	*/
1.1.2.1  wdk
1.1.2.2  wdk /*-
1.1.2.1  wdk  * Copyright (c) 2001 The NetBSD Foundation, Inc.
1.1.2.1  wdk  * All rights reserved.
1.1.2.1  wdk  *
1.1.2.1  wdk  * This code is derived from software contributed to The NetBSD Foundation
1.1.2.2  wdk  * by Klaus Klein.
1.1.2.1  wdk  *
1.1.2.1  wdk  * Redistribution and use in source and binary forms, with or without
1.1.2.1  wdk  * modification, are permitted provided that the following conditions
1.1.2.1  wdk  * are met:
1.1.2.1  wdk  * 1. Redistributions of source code must retain the above copyright
1.1.2.1  wdk  *    notice, this list of conditions and the following disclaimer.
1.1.2.1  wdk  * 2. Redistributions in binary form must reproduce the above copyright
1.1.2.1  wdk  *    notice, this list of conditions and the following disclaimer in the
1.1.2.1  wdk  *    documentation and/or other materials provided with the distribution.
1.1.2.1  wdk  * 3. All advertising materials mentioning features or use of this software
1.1.2.1  wdk  *    must display the following acknowledgement:
1.1.2.1  wdk  *        This product includes software developed by the NetBSD
1.1.2.1  wdk  *        Foundation, Inc. and its contributors.
1.1.2.1  wdk  * 4. Neither the name of The NetBSD Foundation nor the names of its
1.1.2.1  wdk  *    contributors may be used to endorse or promote products derived
1.1.2.1  wdk  *    from this software without specific prior written permission.
1.1.2.1  wdk  *
1.1.2.1  wdk  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
1.1.2.1  wdk  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
1.1.2.1  wdk  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.1.2.1  wdk  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
1.1.2.1  wdk  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.1.2.1  wdk  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.1.2.1  wdk  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.1.2.1  wdk  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.1.2.1  wdk  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.1.2.1  wdk  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.1.2.1  wdk  * POSSIBILITY OF SUCH DAMAGE.
1.1.2.1  wdk  */
1.1.2.1  wdk
1.1.2.1  wdk #include "SYS.h"
1.1.2.2  wdk #include <machine/mcontext.h>
1.1.2.1  wdk
1.1.2.2  wdk #if defined(SYSLIBC_SCCS) && !defined(lint)
1.1.2.4  wdk 	ASMSTR("$NetBSD: getcontext.S,v 1.1.2.4 2003/01/05 06:48:06 wdk Exp $")
1.1.2.2  wdk #endif /* SYSLIBC_SCCS && !lint */
1.1.2.1  wdk
1.1.2.1  wdk #ifdef WEAK_ALIAS
1.1.2.1  wdk WEAK_ALIAS(getcontext, _getcontext)
1.1.2.1  wdk #endif
1.1.2.4  wdk 	.set reorder
1.1.2.1  wdk
1.1.2.1  wdk LEAF(_getcontext)
1.1.2.1  wdk 	SYSTRAP(getcontext)
1.1.2.1  wdk 	bne	a3, zero, 1f
1.1.2.2  wdk 	REG_PROLOGUE
1.1.2.2  wdk 	REG_S	zero, (_OFFSETOF_UC_GREGS + _REG_V0 * SZREG)(a0)
1.1.2.2  wdk 	REG_S	ra, (_OFFSETOF_UC_GREGS + _REG_EPC * SZREG)(a0)
1.1.2.2  wdk 	REG_EPILOGUE
1.1.2.1  wdk 	j	ra
1.1.2.1  wdk 1:
1.1.2.2  wdk 	PIC_CALL(__cerror, t9)
1.1.2.2  wdk END(_getcontext)