reg.h revision 105733
1/*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * William Jolitz.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by the University of
19 *	California, Berkeley and its contributors.
20 * 4. 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: @(#)reg.h	5.5 (Berkeley) 1/18/91
37 *	from: FreeBSD: src/sys/i386/include/reg.h,v 1.23 2000/09/21
38 * $FreeBSD: head/sys/sparc64/include/reg.h 105733 2002-10-22 18:03:15Z jake $
39 */
40
41#ifndef	_MACHINE_REG_H_
42#define	_MACHINE_REG_H_
43
44/*
45 * Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS.
46 *
47 * NOTE: DO NOT CHANGE THESE STRUCTURES.  The offsets of the fields are
48 * hardcoded in gdb.  Changing them and recompiling doesn't help, the
49 * constants in nm-fbsd.h must also be updated.
50 */
51
52struct reg32 {
53	uint32_t r_global[8];
54	uint32_t r_out[8];
55	uint32_t r_npc;
56	uint32_t r_pc;
57	uint32_t r_psr;
58	uint32_t r_wim;
59	uint32_t r_pad[4];
60};
61
62struct reg {
63	uint64_t r_global[8];
64	uint64_t r_out[8];
65	uint64_t r_fprs;
66	uint64_t r_fsr;
67	uint64_t r_gsr;
68	uint64_t r_level;
69	uint64_t r_pil;
70	uint64_t r_sfar;
71	uint64_t r_sfsr;
72	uint64_t r_tar;
73	uint64_t r_tnpc;
74	uint64_t r_tpc;
75	uint64_t r_tstate;
76	uint64_t r_type;
77	uint64_t r_y;
78	uint64_t r_wstate;
79	uint64_t r_pad[2];
80};
81
82/*
83 * Register set accessible via /proc/$pid/fpregs.
84 */
85
86struct fpreg32 {
87	uint32_t fr_regs[32];
88	uint32_t fr_fsr;
89};
90
91struct fpreg {
92	uint32_t fr_regs[64];	/* our view is 64 32-bit registers */
93	int64_t	fr_fsr;		/* %fsr */
94	int32_t	fr_gsr;		/* %gsr */
95	int32_t fr_pad[1];
96};
97
98/*
99 * Register set accessible via /proc/$pid/dbregs.
100 */
101struct dbreg {
102	int dummy;
103};
104
105#ifdef _KERNEL
106/*
107 * XXX these interfaces are MI, so they should be declared in a MI place.
108 */
109int	fill_regs(struct thread *, struct reg *);
110int	set_regs(struct thread *, struct reg *);
111int	fill_fpregs(struct thread *, struct fpreg *);
112int	set_fpregs(struct thread *, struct fpreg *);
113int	fill_dbregs(struct thread *, struct dbreg *);
114int	set_dbregs(struct thread *, struct dbreg *);
115#endif
116
117#endif /* !_MACHINE_REG_H_ */
118