reg.h revision 26490 
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 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by the University of
19 *	California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 *    may be used to endorse or promote products derived from this software
22 *    without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 *	from: @(#)reg.h	5.5 (Berkeley) 1/18/91
37 *	$Id: reg.h,v 1.13 1997/02/22 09:35:07 peter Exp $
38 */
39
40#ifndef _MACHINE_REG_H_
41#define	_MACHINE_REG_H_
42
43/*
44 * Indices for registers in `struct trapframe' and `struct regs'.
45 *
46 * This interface is deprecated.  In the kernel, it is only used in FPU
47 * emulators to convert from register numbers encoded in instructions to
48 * register values.  Everything else just accesses the relevant struct
49 * members.  In userland, debuggers tend to abuse this interface since
50 * they don't understand that `struct regs' is a struct.  I hope they have
51 * stopped accessing the registers in the trap frame via PT_{READ,WRITE}_U
52 * and we can stop supporting the user area soon.
53 */
54#define	tES	(0)
55#define	tDS	(1)
56#define	tEDI	(2)
57#define	tESI	(3)
58#define	tEBP	(4)
59#define	tISP	(5)
60#define	tEBX	(6)
61#define	tEDX	(7)
62#define	tECX	(8)
63#define	tEAX	(9)
64#define	tERR	(11)
65#define	tEIP	(12)
66#define	tCS	(13)
67#define	tEFLAGS	(14)
68#define	tESP	(15)
69#define	tSS	(16)
70
71/*
72 * Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS.
73 */
74struct reg {
75	unsigned int	r_es;
76	unsigned int	r_ds;
77	unsigned int	r_edi;
78	unsigned int	r_esi;
79	unsigned int	r_ebp;
80	unsigned int	r_isp;
81	unsigned int	r_ebx;
82	unsigned int	r_edx;
83	unsigned int	r_ecx;
84	unsigned int	r_eax;
85	unsigned int	r_trapno;
86	unsigned int	r_err;
87	unsigned int	r_eip;
88	unsigned int	r_cs;
89	unsigned int	r_eflags;
90	unsigned int	r_esp;
91	unsigned int	r_ss;
92};
93
94/*
95 * Register set accessible via /proc/$pid/fpregs.
96 */
97struct fpreg {
98	/*
99	 * XXX should get struct from npx.h.  Here we give a slightly
100	 * simplified struct.  This may be too much detail.  Perhaps
101	 * an array of unsigned longs is best.
102	 */
103	unsigned long	fpr_env[7];
104	unsigned char	fpr_acc[8][10];
105	unsigned long	fpr_ex_sw;
106	unsigned char	fpr_pad[64];
107};
108
109#ifdef KERNEL
110/*
111 * XXX these interfaces are MI, so they should be declared in a MI place.
112 */
113int	set_regs __P((struct proc *p, struct reg *regs));
114void	setregs __P((struct proc *, u_long, u_long));
115#endif
116
117#endif /* !_MACHINE_REG_H_ */
118