frame.h revision 1.2 
1/*	$NetBSD: frame.h,v 1.2 2003/01/17 23:36:08 thorpej Exp $	*/
2
3/*
4 * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Wayne Knowles
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 * 3. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *        This product includes software developed by the NetBSD
21 *        Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 *    contributors may be used to endorse or promote products derived
24 *    from this software without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
37 */
38
39#ifndef _MIPS_FRAME_H_
40#define _MIPS_FRAME_H_
41
42#ifndef _LOCORE
43
44#include <sys/signal.h>
45#include <sys/sa.h>
46
47/*
48 * Signal frame
49 */
50struct sigframe {
51	struct	sigcontext sf_sc;	/* actual context */
52};
53
54/*
55 * Scheduler activations upcall frame.  Pushed onto user stack before
56 * calling an SA upcall.
57 */
58
59struct saframe {
60	/* first 4 arguments passed in registers on entry to upcallcode */
61	int		sa_type;	/* A0 */
62	struct sa_t **	sa_sas;		/* A1 */
63	int		sa_events;	/* A2 */
64	int		sa_interrupted;	/* A3 */
65	void *		sa_arg;
66	sa_upcall_t	sa_upcall;
67};
68
69#endif /* _LOCORE */
70
71#endif /* _MIPS_FRAME_H_ */
72
73/* End of frame.h */
74