xref: /netbsd/sys/arch/vax/include/frame.h (revision 2d5d8524)
1 /*	$NetBSD: frame.h,v 1.3 2017/05/22 17:12:11 ragge Exp $ */
2 /*
3  * Copyright (c) 1995 Ludd, University of Lule}, Sweden.
4  * All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef _VAX_FRAME_H_
28 #define	_VAX_FRAME_H_
29 
30 /*
31  * Description of calls frame on stack. This is the
32  * standard way of making procedure calls on vax systems.
33  */
34 struct callsframe {
35 	unsigned int	ca_cond;	/* condition handler */
36 	unsigned int	ca_maskpsw;	/* register mask and saved psw */
37 	unsigned int	ca_ap;		/* argument pointer */
38 	unsigned int	ca_fp;		/* frame pointer */
39 	unsigned int	ca_pc;		/* program counter */
40 	unsigned int	ca_argno;	/* argument count on stack */
41 	unsigned int	ca_arg1;	/* first arg on stack */
42 	/* This can be followed by more arguments */
43 };
44 
45 struct icallsframe {
46 	struct callsframe ica_frame;	/* std call frame */
47 	unsigned int	ica_r0;		/* interrupt saved r0 */
48 	unsigned int	ica_r1;		/* interrupt saved r1 */
49 	unsigned int	ica_r2;		/* interrupt saved r2 */
50 	unsigned int	ica_r3;		/* interrupt saved r3 */
51 	unsigned int	ica_r4;		/* interrupt saved r4 */
52 	unsigned int	ica_r5;		/* interrupt saved r5 */
53 	unsigned int	ica_pc;		/* interrupt saved pc */
54 	unsigned int	ica_psl;	/* interrupt saved psl */
55 };
56 
57 #endif /* _VAX_FRAME_H */
58