2 * Copyright (c) 2003 Peter Wemm.
3 * Copyright (c) 1990 The Regents of the University of California.
6 * This code is derived from software contributed to Berkeley by
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
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.
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
33 * from: @(#)reg.h 5.5 (Berkeley) 1/18/91
34 * $FreeBSD: src/sys/amd64/include/reg.h,v 1.35 2004/04/05 23:55:14 imp Exp $
41 * Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS.
72 * Register set accessible via /proc/$pid/fpregs.
76 * XXX should get struct from fpu.h. Here we give a slightly
77 * simplified struct. This may be too much detail. Perhaps
78 * an array of unsigned longs is best.
80 unsigned long fpr_env[4];
81 unsigned char fpr_acc[8][16];
82 unsigned char fpr_xacc[16][16];
83 unsigned long fpr_spare[12];
87 * Register set accessible via /proc/$pid/dbregs.
90 unsigned long dr[16]; /* debug registers */
91 /* Index 0-3: debug address registers */
92 /* Index 4-5: reserved */
93 /* Index 6: debug status */
94 /* Index 7: debug control */
95 /* Index 8-15: reserved */
98 #define DBREG_DR7_EXEC 0x00 /* break on execute */
99 #define DBREG_DR7_WRONLY 0x01 /* break on write */
100 #define DBREG_DR7_RDWR 0x03 /* break on read or write */
101 #define DBREG_DRX(d,x) ((d)->dr[(x)]) /* reference dr0 - dr15 by
103 #endif /* !_CPU_REG_H_ */