xref: /src/lib/libc/arch/hppa/gen/__sigsetjmp14.S

/*	$NetBSD: __sigsetjmp14.S,v 1.2 2008/04/28 20:22:55 martin Exp $	*/

/*-
 * Copyright (c) 2002 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Matthew Fredette.
 *
 * 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 <machine/asm.h>

#if defined(LIBC_SCCS) && !defined(lint)
	RCSID("$NetBSD: __sigsetjmp14.S,v 1.2 2008/04/28 20:22:55 martin Exp $")
#endif /* LIBC_SCCS and not lint */

/*
 * C library -- sigsetjmp, siglongjmp
 *
 *	siglongjmp(a,v)
 * will generate a "return(v)" from
 * the last call to
 *	sigsetjmp(a,m)
 * by restoring registers from the stack,
 * The previous signal state is restored if 'm' was non-zero.
 */

/* grab _JBLEN */
#include <machine/setjmp.h>

ENTRY(__sigsetjmp14,0)
	stw	%arg1, (_JBLEN * 4)(%arg0)	; save mask at end of area
	add,<>	%r0, %arg0, %r0
	b,n	_setjmp
	b,n	__setjmp14
EXIT(__sigsetjmp14)


ENTRY(__siglongjmp14,0)
	ldw	(_JBLEN * 4)(%arg0), %r1
	add,<>	%r0, %r1, %r0
	b,n	_longjmp
	b,n	__longjmp14
EXIT(__siglongjmp14)

	.end