11.3Smatt/*	$NetBSD: compat___sigtramp1.S,v 1.3 2013/07/16 23:00:15 matt Exp $	*/
21.1Schristos
31.1Schristos/*-
41.1Schristos * Copyright (c) 2002 The NetBSD Foundation, Inc.
51.1Schristos * All rights reserved.
61.1Schristos *
71.1Schristos * This code is derived from software contributed to The NetBSD Foundation
81.1Schristos * by Jason R. Thorpe.
91.1Schristos *
101.1Schristos * Redistribution and use in source and binary forms, with or without
111.1Schristos * modification, are permitted provided that the following conditions
121.1Schristos * are met:
131.1Schristos * 1. Redistributions of source code must retain the above copyright
141.1Schristos *    notice, this list of conditions and the following disclaimer.
151.1Schristos * 2. Redistributions in binary form must reproduce the above copyright
161.1Schristos *    notice, this list of conditions and the following disclaimer in the
171.1Schristos *    documentation and/or other materials provided with the distribution.
181.1Schristos *
191.1Schristos * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
201.1Schristos * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
211.1Schristos * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
221.1Schristos * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
231.1Schristos * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
241.1Schristos * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
251.1Schristos * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
261.1Schristos * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
271.1Schristos * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
281.1Schristos * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
291.1Schristos * POSSIBILITY OF SUCH DAMAGE.
301.1Schristos */
311.1Schristos
321.1Schristos#include "SYS.h"
331.1Schristos
341.1Schristos/*
351.1Schristos * The m68k signal trampoline is invoked only to return from
361.1Schristos * the signal; the kernel calls the signal handler directly.
371.1Schristos *
381.1Schristos * On entry, stack looks like:
391.1Schristos *
401.1Schristos *		sigcontext structure			[12]
411.1Schristos *		pointer to sigcontext structure		[8]
421.1Schristos *		signal specific code			[4]
431.1Schristos *	sp->	signal number				[0]
441.1Schristos */
451.1SchristosENTRY_NOPROFILE(__sigtramp_sigcontext_1)
461.3Smatt	leal	12(%sp),%a0	/* get pointer to sigcontext */
471.3Smatt	movl	%a0,4(%sp)	/* put it in the argument slot */
481.1Schristos				/* fake return address already there */
491.1Schristos	trap	#3		/* special sigreturn trap */
501.3Smatt	movl	%d0,4(%sp)	/* failed, exit with errno */
511.1Schristos	SYSTRAP(exit)
521.3SmattEND(__sigtramp_sigcontext_1)
53