xref: /netbsd/sys/arch/sh3/include/reg.h (revision bf9ec67e)
1 /*	$NetBSD: reg.h,v 1.3 2002/04/28 17:10:36 uch Exp $	*/
2 
3 /*-
4  * Copyright (c) 1990 The Regents of the University of California.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * William Jolitz.
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 University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  *	@(#)reg.h	5.5 (Berkeley) 1/18/91
39  */
40 
41 #ifndef _SH3_REG_H_
42 #define	_SH3_REG_H_
43 
44 /*
45  * Location of the users' stored
46  * registers within appropriate frame of 'trap' and 'syscall', relative to
47  * base of stack frame.
48  *
49  * XXX
50  * The #defines aren't used in the kernel, but some user-level code still
51  * expects them.
52  */
53 
54 /* When referenced during a trap/exception, registers are at these offsets */
55 
56 #define	tSPC	(0)
57 #define	tSSR	(1)
58 #define	tPR	(2)
59 #define	tR14	(3)
60 #define	tR13	(4)
61 #define	tR12	(5)
62 #define	tR11	(6)
63 #define	tR10	(7)
64 #define	tR9	(8)
65 
66 #define	tR8	(11)
67 #define	tR7	(12)
68 #define	tR6	(13)
69 #define	tR5	(14)
70 #define	tR4	(15)
71 #define	tR3	(16)
72 #define	tR2	(17)
73 #define	tR1	(18)
74 #define	tR0	(19)
75 
76 /*
77  * Registers accessible to ptrace(2) syscall for debugger
78  * The machine-dependent code for PT_{SET,GET}REGS needs to
79  * use whichver order, defined above, is correct, so that it
80  * is all invisible to the user.
81  */
82 struct reg {
83 	int r_spc;
84 	int r_ssr;
85 	int r_pr;
86 	int r_mach;
87 	int r_macl;
88 	int r_r15;
89 	int r_r14;
90 	int r_r13;
91 	int r_r12;
92 	int r_r11;
93 	int r_r10;
94 	int r_r9;
95 	int r_r8;
96 	int r_r7;
97 	int r_r6;
98 	int r_r5;
99 	int r_r4;
100 	int r_r3;
101 	int r_r2;
102 	int r_r1;
103 	int r_r0;
104 };
105 
106 #endif /* !_SH3_REG_H_ */
107