reg.h revision 1.4 
1/*	$NetBSD: reg.h,v 1.4 2005/12/11 12:16:25 christos 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 _AMD64_REG_H_
38#define _AMD64_REG_H_
39
40#include <machine/fpu.h>
41#include <machine/mcontext.h>
42
43/*
44 * XXX
45 * The #defines aren't used in the kernel, but some user-level code still
46 * expects them.
47 */
48
49/* When referenced during a trap/exception, registers are at these offsets */
50
51#define tR15	0
52#define tR14	1
53#define tR13	2
54#define tR12	3
55#define tR11	4
56#define tR10	5
57#define tR9	6
58#define tR8	7
59#define	tRDI	8
60#define	tRSI	9
61#define	tRBP	10
62#define	tRBX	11
63#define	tRDX	12
64#define	tRCX	13
65#define	tRAX	14
66
67#define	tRIP	17
68#define	tCS	18
69#define	tRFLAGS	19
70#define	tRSP	20
71#define	tSS	21
72
73/*
74 * Registers accessible to ptrace(2) syscall for debugger use.
75 * Same as mcontext.__gregs and struct trapframe, they must
76 * remain synced (XXX should use common structure).
77 */
78struct reg {
79	long	regs[_NGREG];
80};
81
82struct fpreg {
83	struct fxsave64 fxstate;
84};
85
86#define fp_fcw		fxstate.fx_fcw
87#define fp_fsw		fxstate.fx_fsw
88#define fp_ftw		fxstate.fx_ftw
89#define fp_fop		fxstate.fx_fop
90#define fp_rip		fxstate.fx_rip
91#define fp_rdp		fxstate.fx_rdp
92#define fp_mxcsr	fxstate.fx_mxcsr
93#define fp_mxcsr_mask	fxstate.fx_mxcsr_mask
94#define fp_st		fxstate.fx_st
95#define fp_xmm		fxstate.fx_xmm
96
97#endif /* !_AMD64_REG_H_ */
98