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      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