Project

General

Profile

Statistics
| Revision:

root / lab4 / .minix-src / include / i386 / reg.h @ 13

History | View | Annotate | Download (3.62 KB)

1
/*        $NetBSD: reg.h,v 1.19 2008/01/16 09:37:08 ad 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. Neither the name of the University nor the names of its contributors
19
 *    may be used to endorse or promote products derived from this software
20
 *    without specific prior written permission.
21
 *
22
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32
 * SUCH DAMAGE.
33
 *
34
 *        @(#)reg.h        5.5 (Berkeley) 1/18/91
35
 */
36

    
37
#ifndef _I386_REG_H_
38
#define _I386_REG_H_
39

    
40
#include <machine/frame.h>
41

    
42
/*
43
 * Location of the users' stored
44
 * registers within appropriate frame of 'trap' and 'syscall', relative to
45
 * base of stack frame.
46
 *
47
 * XXX these should be nuked. They used to be used in the NetBSD/i386 bits
48
 * of gdb, but no more.
49
 */
50

    
51
/* When referenced during a trap/exception, registers are at these offsets */
52

    
53
#define        tES        (offsetof(struct trapframe, tf_es) / sizeof (int))
54
#define        tDS        (offsetof(struct trapframe, tf_ds) / sizeof (int))
55
#define        tEDI        (offsetof(struct trapframe, tf_edi) / sizeof (int))
56
#define        tESI        (offsetof(struct trapframe, tf_esi) / sizeof (int))
57
#define        tEBP        (offsetof(struct trapframe, tf_ebp) / sizeof (int))
58
#define        tEBX        (offsetof(struct trapframe, tf_ebx) / sizeof (int))
59
#define        tEDX        (offsetof(struct trapframe, tf_edx) / sizeof (int))
60
#define        tECX        (offsetof(struct trapframe, tf_ecx) / sizeof (int))
61
#define        tEAX        (offsetof(struct trapframe, tf_eax) / sizeof (int))
62

    
63
#define        tEIP        (offsetof(struct trapframe, tf_eip) / sizeof (int))
64
#define        tCS        (offsetof(struct trapframe, tf_cs) / sizeof (int))
65
#define        tEFLAGS        (offsetof(struct trapframe, tf_eflags) / sizeof (int))
66
#define        tESP        (offsetof(struct trapframe, tf_esp) / sizeof (int))
67
#define        tSS        (offsetof(struct trapframe, tf_ss) / sizeof (int))
68

    
69
/*
70
 * Registers accessible to ptrace(2) syscall for debugger
71
 * The machine-dependent code for PT_{SET,GET}REGS needs to
72
 * use whichver order, defined above, is correct, so that it
73
 * is all invisible to the user.
74
 */
75
struct reg {
76
        int        r_eax;
77
        int        r_ecx;
78
        int        r_edx;
79
        int        r_ebx;
80
        int        r_esp;
81
        int        r_ebp;
82
        int        r_esi;
83
        int        r_edi;
84
        int        r_eip;
85
        int        r_eflags;
86
        int        r_cs;
87
        int        r_ss;
88
        int        r_ds;
89
        int        r_es;
90
        int        r_fs;
91
        int        r_gs;
92
};
93

    
94
struct fpreg {
95
        /*
96
         * XXX
97
         * Fill this in with real info.
98
         */
99
        char        __data[108];
100
};
101

    
102
struct xmmregs {
103
        /*
104
         * XXX
105
         * Fill this in with real info.
106
         */
107
        char        __data[512];
108
};
109

    
110
#endif /* !_I386_REG_H_ */