reg.h revision 1.1 
1/*	$NetBSD: reg.h,v 1.1 2003/04/26 18:39:47 fvdl 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. All advertising materials mentioning features or use of this software
19 *    must display the following acknowledgement:
20 *	This product includes software developed by the University of
21 *	California, Berkeley and its contributors.
22 * 4. Neither the name of the University nor the names of its contributors
23 *    may be used to endorse or promote products derived from this software
24 *    without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 *	@(#)reg.h	5.5 (Berkeley) 1/18/91
39 */
40
41#ifndef _AMD64_REG_H_
42#define _AMD64_REG_H_
43
44#include <machine/mcontext.h>
45
46/*
47 * XXX
48 * The #defines aren't used in the kernel, but some user-level code still
49 * expects them.
50 */
51
52/* When referenced during a trap/exception, registers are at these offsets */
53
54#define tR15	0
55#define tR14	1
56#define tR13	2
57#define tR12	3
58#define tR11	4
59#define tR10	5
60#define tR9	6
61#define tR8	7
62#define	tRDI	8
63#define	tRSI	9
64#define	tRBP	10
65#define	tRBX	11
66#define	tRDX	12
67#define	tRCX	13
68#define	tRAX	14
69
70#define	tRIP	17
71#define	tCS	18
72#define	tRFLAGS	19
73#define	tRSP	20
74#define	tSS	21
75
76/*
77 * Registers accessible to ptrace(2) syscall for debugger use.
78 * Same as mcontext.__gregs and struct trapframe, they must
79 * remain synced (XXX should use common structure).
80 */
81struct reg {
82	long	regs[_NGREG];
83};
84
85struct fpreg {
86	struct fxsave64 fxstate;
87};
88
89#define fp_fcw		fxstate.fx_fcw
90#define fp_fsw		fxstate.fx_fsw
91#define fp_ftw		fxstate.fx_ftw
92#define fp_fop		fxstate.fx_fop
93#define fp_rip		fxstate.fx_rip
94#define fp_rdp		fxstate.fx_rdp
95#define fp_mxcsr	fxstate.fx_mxcsr
96#define fp_mxcsr_mask	fxstate.fx_mxcsr_mask
97#define fp_st		fxstate.fx_st
98#define fp_xmm		fxstate.fx_xmm
99
100#endif /* !_AMD64_REG_H_ */
101