xref: /netbsd-src/sys/arch/mips/include/frame.h (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /*	$NetBSD: frame.h,v 1.3 2003/10/29 23:40:42 christos 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  */
50 struct 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 
59 struct 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 void *getframe(struct lwp *, int, int *);
70 #ifdef COMPAT_16
71 void sendsig_sigcontext(const ksiginfo_t *, const sigset_t *);
72 #endif
73 
74 #endif /* _LOCORE */
75 
76 #endif /* _MIPS_FRAME_H_ */
77 
78 /* End of frame.h */
79