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 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * from: @(#)reg.h 5.5 (Berkeley) 1/18/91
33 * $FreeBSD: src/sys/compat/ia32/ia32_reg.h,v 1.1 2005/06/30 07:49:21 peter Exp $
34 */
35
36 #ifndef _COMPAT_IA32_IA32_REG_H_
37 #define _COMPAT_IA32_IA32_REG_H_
38
39 /*
40 * Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS.
41 */
42 struct reg32 {
43 unsigned int r_fs;
44 unsigned int r_es;
45 unsigned int r_ds;
46 unsigned int r_edi;
47 unsigned int r_esi;
48 unsigned int r_ebp;
49 unsigned int r_isp;
50 unsigned int r_ebx;
51 unsigned int r_edx;
52 unsigned int r_ecx;
53 unsigned int r_eax;
54 unsigned int r_trapno;
55 unsigned int r_err;
56 unsigned int r_eip;
57 unsigned int r_cs;
58 unsigned int r_eflags;
59 unsigned int r_esp;
60 unsigned int r_ss;
61 unsigned int r_gs;
62 };
63
64 /*
65 * Register set accessible via /proc/$pid/fpregs.
66 */
67 struct fpreg32 {
68 unsigned int fpr_env[7];
69 unsigned char fpr_acc[8][10];
70 unsigned int fpr_ex_sw;
71 unsigned char fpr_pad[64];
72 };
73
74 /*
75 * Register set accessible via /proc/$pid/dbregs.
76 */
77 struct dbreg32 {
78 unsigned int dr[8]; /* debug registers */
79 };
80
81 /* Environment information of floating point unit */
82 struct env87 {
83 int en_cw; /* control word (16bits) */
84 int en_sw; /* status word (16bits) */
85 int en_tw; /* tag word (16bits) */
86 int en_fip; /* floating point instruction pointer */
87 u_short en_fcs; /* floating code segment selector */
88 u_short en_opcode; /* opcode last executed (11 bits ) */
89 int en_foo; /* floating operand offset */
90 int en_fos; /* floating operand segment selector */
91 };
92
93 #ifdef __ia64__
94 /* Layout of an x87 fpu register (amd64 gets this elsewhere) */
95 struct fpacc87 {
96 u_char fp_bytes[10];
97 };
98 #endif
99
100 /* Floating point context */
101 struct save87 {
102 struct env87 sv_env; /* floating point control/status */
103 struct fpacc87 sv_ac[8]; /* accumulator contents, 0-7 */
104 u_char sv_pad0[4]; /* padding for (now unused) saved status word */
105 u_char sv_pad[64]; /* padding; used by emulators */
106 };
107
108
109 /*
110 * Alternative layouts for <sys/procfs.h>
111 * Used in core dumps, the reason for this file existing.
112 */
113 struct prstatus32 {
114 int pr_version;
115 u_int pr_statussz;
116 u_int pr_gregsetsz;
117 u_int pr_fpregsetsz;
118 int pr_osreldate;
119 int pr_cursig;
120 pid_t pr_pid;
121 struct reg32 pr_reg;
122 };
123
124 struct prpsinfo32 {
125 int pr_version;
126 u_int pr_psinfosz;
127 char pr_fname[PRFNAMESZ+1];
128 char pr_psargs[PRARGSZ+1];
129 };
130
131 /*
132 * Wrappers and converters.
133 */
134 int fill_regs32(struct thread *, struct reg32 *);
135 int set_regs32(struct thread *, struct reg32 *);
136 int fill_fpregs32(struct thread *, struct fpreg32 *);
137 int set_fpregs32(struct thread *, struct fpreg32 *);
138 int fill_dbregs32(struct thread *, struct dbreg32 *);
139 int set_dbregs32(struct thread *, struct dbreg32 *);
140
141 #endif /* !_COMPAT_IA32_IA32_REG_H_ */
142 Cache object: ad0d373dde22fadc623f52e69927af0f
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