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
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27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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33 * from: @(#)reg.h 5.5 (Berkeley) 1/18/91
37 #ifndef _MACHINE_REG_H_
38 #define _MACHINE_REG_H_
41 * Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS.
69 * Register set accessible via /proc/$pid/fpregs.
73 * XXX should get struct from fpu.h. Here we give a slightly
74 * simplified struct. This may be too much detail. Perhaps
75 * an array of unsigned longs is best.
77 unsigned long fpr_env[4];
78 unsigned char fpr_acc[8][16];
79 unsigned char fpr_xacc[16][16];
80 unsigned long fpr_spare[12];
84 * Register set accessible via /proc/$pid/dbregs.
87 unsigned long dr[16]; /* debug registers */
88 /* Index 0-3: debug address registers */
89 /* Index 4-5: reserved */
90 /* Index 6: debug status */
91 /* Index 7: debug control */
92 /* Index 8-15: reserved */
95 #define DBREG_DR7_EXEC 0x00 /* break on execute */
96 #define DBREG_DR7_WRONLY 0x01 /* break on write */
97 #define DBREG_DR7_RDWR 0x03 /* break on read or write */
98 #define DBREG_DRX(d,x) ((d)->dr[(x)]) /* reference dr0 - dr15 by
102 * XXX these interfaces are MI, so they should be declared in a MI place.
104 int fill_regs(struct thread *, struct reg *);
105 int set_regs(struct thread *, struct reg *);
106 int fill_fpregs(struct thread *, struct fpreg *);
107 int set_fpregs(struct thread *, struct fpreg *);
108 int fill_dbregs(struct thread *, struct dbreg *);
109 int set_dbregs(struct thread *, struct dbreg *);
112 #endif /* !_MACHINE_REG_H_ */