Annotation of sys/arch/i386/include/reg.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: reg.h,v 1.6 2005/04/03 20:21:44 kettenis Exp $ */
2: /* $NetBSD: reg.h,v 1.14 1995/10/11 04:20:24 mycroft Exp $ */
3:
4: /*-
5: * Copyright (c) 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: * William Jolitz.
10: *
11: * Redistribution and use in source and binary forms, with or without
12: * modification, are permitted provided that the following conditions
13: * are met:
14: * 1. Redistributions of source code must retain the above copyright
15: * notice, this list of conditions and the following disclaimer.
16: * 2. Redistributions in binary form must reproduce the above copyright
17: * notice, this list of conditions and the following disclaimer in the
18: * documentation and/or other materials provided with the distribution.
19: * 3. Neither the name of the University nor the names of its contributors
20: * may be used to endorse or promote products derived from this software
21: * without specific prior written permission.
22: *
23: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33: * SUCH DAMAGE.
34: *
35: * @(#)reg.h 5.5 (Berkeley) 1/18/91
36: */
37:
38: #ifndef _I386_REG_H_
39: #define _I386_REG_H_
40:
41: /*
42: * Location of the users' stored
43: * registers within appropriate frame of 'trap' and 'syscall', relative to
44: * base of stack frame.
45: * Normal usage is u.u_ar0[XX] in kernel.
46: */
47:
48: /* When referenced during a trap/exception, registers are at these offsets */
49:
50: #define tES (0)
51: #define tDS (1)
52: #define tEDI (2)
53: #define tESI (3)
54: #define tEBP (4)
55: #define tEBX (5)
56: #define tEDX (6)
57: #define tECX (7)
58: #define tEAX (8)
59:
60: #define tEIP (11)
61: #define tCS (12)
62: #define tEFLAGS (13)
63: #define tESP (14)
64: #define tSS (15)
65:
66: /*
67: * Registers accessible to ptrace(2) syscall for debugger
68: * The machine-dependent code for PT_{SET,GET}REGS needs to
69: * use whichever order, defined above, is correct, so that it
70: * is all invisible to the user.
71: */
72: struct reg {
73: int r_eax;
74: int r_ecx;
75: int r_edx;
76: int r_ebx;
77: int r_esp;
78: int r_ebp;
79: int r_esi;
80: int r_edi;
81: int r_eip;
82: int r_eflags;
83: int r_cs;
84: int r_ss;
85: int r_ds;
86: int r_es;
87: int r_fs;
88: int r_gs;
89: };
90:
91: struct fpreg {
92: /*
93: * XXX
94: * Fill this in with real info.
95: */
96: char __data[116];
97: };
98:
99: struct xmmregs {
100: char __data[512];
101: };
102:
103: #endif /* !_I386_REG_H_ */
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