xref: /netbsd/sys/arch/vax/include/frame.h (revision bf9ec67e)
1 /*	$NetBSD: frame.h,v 1.2 2000/06/04 19:30:15 matt 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  * 3. All advertising materials mentioning features or use of this software
15  *    must display the following acknowledgement:
16  *      This product includes software developed at Ludd, University of
17  *      Lule}, Sweden and its contributors.
18  * 4. The name of the author may not be used to endorse or promote products
19  *    derived from this software without specific prior written permission
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef _VAX_FRAME_H_
34 #define	_VAX_FRAME_H_
35 
36 /*
37  * Description of calls frame on stack. This is the
38  * standard way of making procedure calls on vax systems.
39  */
40 struct callsframe {
41 	unsigned int	ca_cond;	/* condition handler */
42 	unsigned int	ca_maskpsw;	/* register mask and saved psw */
43 	unsigned int	ca_ap;		/* argument pointer */
44 	unsigned int	ca_fp;		/* frame pointer */
45 	unsigned int	ca_pc;		/* program counter */
46 	unsigned int	ca_argno;	/* argument count on stack */
47 	unsigned int	ca_arg1;	/* first arg on stack */
48 	/* This can be followed by more arguments */
49 };
50 
51 struct icallsframe {
52 	struct callsframe ica_frame;	/* std call frame */
53 	unsigned int	ica_r0;		/* interrupt saved r0 */
54 	unsigned int	ica_r1;		/* interrupt saved r1 */
55 	unsigned int	ica_r2;		/* interrupt saved r2 */
56 	unsigned int	ica_r3;		/* interrupt saved r3 */
57 	unsigned int	ica_r4;		/* interrupt saved r4 */
58 	unsigned int	ica_r5;		/* interrupt saved r5 */
59 	unsigned int	ica_pc;		/* interrupt saved pc */
60 	unsigned int	ica_psl;	/* interrupt saved psl */
61 };
62 
63 #endif /* _VAX_FRAME_H */
64