1/* $NetBSD: reg.h,v 1.21 2019/10/27 09:38:09 rin Exp $ */
2
3/*
4 * Copyright (c) 1988 University of Utah.
5 * Copyright (c) 1982, 1986, 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * the Systems Programming Group of the University of Utah Computer
10 * Science Department.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: Utah Hdr: reg.h 1.1 90/07/09
37 *
38 * @(#)reg.h 7.2 (Berkeley) 11/3/90
39 */
40
41#ifndef _M68K_REG_H_
42#define _M68K_REG_H_
43
44/*
45 * Register set accessible via /proc/$pid/reg and ptrace()
46 */
47struct reg {
48 int r_regs[16]; /* D0-D7/A0-A7 */
49 int r_sr;
50 int r_pc;
51};
52
53struct fpreg {
54 int r_regs[8*3]; /* FP0-FP7 */
55 int r_fpcr;
56 int r_fpsr;
57 int r_fpiar;
58};
59
60#if defined(_KERNEL) || defined(_STANDALONE)
61
62/* XXXX this is historical (but it can't be deprecated quite yet) */
63/*
64 * Location of the users' stored
65 * registers relative to D0.
66 * Usage is u.u_ar0[XX].
67 */
68#define D0 (0)
69#define D1 (1)
70#define D2 (2)
71#define D3 (3)
72#define D4 (4)
73#define D5 (5)
74#define D6 (6)
75#define D7 (7)
76#define A0 (8)
77#define A1 (9)
78#define A2 (10)
79#define A3 (11)
80#define A4 (12)
81#define A5 (13)
82#define A6 (14)
83#define A7 (15)
84
85#define FP A6
86#define SP A7
87#define PS (16)
88#define PC (17)
89
90/*
91 * Due to a mental lapse somewhere down the line, wait returns its values
92 * in strange registers. Kludge it up here so we don't have to in the
93 * machine-independent code.
94 */
95#define R0 D1
96#define R1 A0
97
98#endif /* _KERNEL || _STANDALONE */
99
100#ifdef _KERNEL
101
102struct lwp;
103int process_read_regs(struct lwp *, struct reg *);
104int process_read_fpregs(struct lwp *, struct fpreg *, size_t *);
105
106#endif /* _KERNEL */
107
108#endif /* !_M68K_REG_H_ */