reg.h (23341c174cfd7b41f34ea5b14ece49a62af8cb37) reg.h (01cd19680dd85e5d1e9002123bee7fe0cca0214e)
1/*-
1/*-
2 * Copyright (c) 2003 Peter Wemm.
3 * Copyright (c) 1990 The Regents of the University of California.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to Berkeley by
7 * William Jolitz.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * from: @(#)reg.h 5.5 (Berkeley) 1/18/91
34 * $FreeBSD$
2 * This file is in the public domain.
35 */
3 */
4/* $FreeBSD$ */
36
5
37#ifndef _MACHINE_REG_H_
38#define _MACHINE_REG_H_
39
40#if defined(_KERNEL) && !defined(_STANDALONE)
41#include "opt_compat.h"
42#endif
43
44/*
45 * Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS.
46 */
47struct reg {
48 __int64_t r_r15;
49 __int64_t r_r14;
50 __int64_t r_r13;
51 __int64_t r_r12;
52 __int64_t r_r11;
53 __int64_t r_r10;
54 __int64_t r_r9;
55 __int64_t r_r8;
56 __int64_t r_rdi;
57 __int64_t r_rsi;
58 __int64_t r_rbp;
59 __int64_t r_rbx;
60 __int64_t r_rdx;
61 __int64_t r_rcx;
62 __int64_t r_rax;
63 __uint32_t r_trapno;
64 __uint16_t r_fs;
65 __uint16_t r_gs;
66 __uint32_t r_err;
67 __uint16_t r_es;
68 __uint16_t r_ds;
69 __int64_t r_rip;
70 __int64_t r_cs;
71 __int64_t r_rflags;
72 __int64_t r_rsp;
73 __int64_t r_ss;
74};
75
76/*
77 * Register set accessible via /proc/$pid/fpregs.
78 */
79struct fpreg {
80 /*
81 * XXX should get struct from fpu.h. Here we give a slightly
82 * simplified struct. This may be too much detail. Perhaps
83 * an array of unsigned longs is best.
84 */
85 __uint64_t fpr_env[4];
86 __uint8_t fpr_acc[8][16];
87 __uint8_t fpr_xacc[16][16];
88 __uint64_t fpr_spare[12];
89};
90
91/*
92 * Register set accessible via /proc/$pid/dbregs.
93 */
94struct dbreg {
95 __uint64_t dr[16]; /* debug registers */
96 /* Index 0-3: debug address registers */
97 /* Index 4-5: reserved */
98 /* Index 6: debug status */
99 /* Index 7: debug control */
100 /* Index 8-15: reserved */
101};
102
103#define DBREG_DR7_LOCAL_ENABLE 0x01
104#define DBREG_DR7_GLOBAL_ENABLE 0x02
105#define DBREG_DR7_LEN_1 0x00 /* 1 byte length */
106#define DBREG_DR7_LEN_2 0x01
107#define DBREG_DR7_LEN_4 0x03
108#define DBREG_DR7_LEN_8 0x02
109#define DBREG_DR7_EXEC 0x00 /* break on execute */
110#define DBREG_DR7_WRONLY 0x01 /* break on write */
111#define DBREG_DR7_RDWR 0x03 /* break on read or write */
112#define DBREG_DR7_MASK(i) (0xful << ((i) * 4 + 16) | 0x3 << (i) * 2)
113#define DBREG_DR7_SET(i, len, access, enable) \
114 ((u_long)((len) << 2 | (access)) << ((i) * 4 + 16) | (enable) << (i) * 2)
115#define DBREG_DR7_GD 0x2000
116#define DBREG_DR7_ENABLED(d, i) (((d) & 0x3 << (i) * 2) != 0)
117#define DBREG_DR7_ACCESS(d, i) ((d) >> ((i) * 4 + 16) & 0x3)
118#define DBREG_DR7_LEN(d, i) ((d) >> ((i) * 4 + 18) & 0x3)
119
120#define DBREG_DRX(d,x) ((d)->dr[(x)]) /* reference dr0 - dr15 by
121 register number */
122
123#ifdef COMPAT_FREEBSD32
124#include <machine/fpu.h>
125#include <compat/ia32/ia32_reg.h>
126#endif
127
128#ifdef _KERNEL
129/*
130 * XXX these interfaces are MI, so they should be declared in a MI place.
131 */
132int fill_regs(struct thread *, struct reg *);
133int fill_frame_regs(struct trapframe *, struct reg *);
134int set_regs(struct thread *, struct reg *);
135int fill_fpregs(struct thread *, struct fpreg *);
136int set_fpregs(struct thread *, struct fpreg *);
137int fill_dbregs(struct thread *, struct dbreg *);
138int set_dbregs(struct thread *, struct dbreg *);
139#endif
140
141#endif /* !_MACHINE_REG_H_ */
6#include <x86/reg.h>