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/* $NetBSD: getcontext.S,v 1.4 2009/12/14 01:07:42 matt Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Klaus Klein.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "SYS.h"
#include "assym.h"
#include <machine/mcontext.h>
#if defined(SYSLIBC_SCCS) && !defined(lint)
RCSID("$NetBSD: getcontext.S,v 1.4 2009/12/14 01:07:42 matt Exp $")
#endif /* SYSLIBC_SCCS && !lint */
#ifdef WEAK_ALIAS
WEAK_ALIAS(getcontext, _getcontext)
#endif
.set reorder
LEAF(_getcontext)
PIC_PROLOGUE(_getcontext)
SYSTRAP(getcontext)
bne a3, zero, 1f
REG_PROLOGUE
REG_S zero, (_OFFSETOF_UC_GREGS + _REG_V0 * SZREG)(a0)
REG_S ra, (_OFFSETOF_UC_GREGS + _REG_EPC * SZREG)(a0)
REG_EPILOGUE
PIC_RETURN()
1:
PIC_TAILCALL(__cerror)
END(_getcontext)
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