xref: /netbsd-src/sys/arch/amd64/include/reg.h (revision a5847cc334d9a7029f6352b847e9e8d71a0f9e0c)
1 /*	$NetBSD: reg.h,v 1.7 2008/10/26 00:08:15 mrg 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 #ifdef __x86_64__
41 
42 #include <machine/fpu.h>
43 #include <machine/mcontext.h>
44 
45 /*
46  * XXX
47  * The #defines aren't used in the kernel, but some user-level code still
48  * expects them.
49  */
50 
51 /*
52  * Registers accessible to ptrace(2) syscall for debugger use.
53  * Same as mcontext.__gregs (except that is 'unsigned long').
54  * NB this structure is no longer the same as 'struct trapframe',
55  * athough the array indexes are defined in the same place.
56  */
57 struct reg {
58 	long	regs[_NGREG];
59 };
60 
61 struct fpreg {
62 	struct fxsave64 fxstate;
63 };
64 
65 #define fp_fcw		fxstate.fx_fcw
66 #define fp_fsw		fxstate.fx_fsw
67 #define fp_ftw		fxstate.fx_ftw
68 #define fp_fop		fxstate.fx_fop
69 #define fp_rip		fxstate.fx_rip
70 #define fp_rdp		fxstate.fx_rdp
71 #define fp_mxcsr	fxstate.fx_mxcsr
72 #define fp_mxcsr_mask	fxstate.fx_mxcsr_mask
73 #define fp_st		fxstate.fx_st
74 #define fp_xmm		fxstate.fx_xmm
75 
76 #else	/*	__x86_64__	*/
77 
78 #include <i386/reg.h>
79 
80 #endif	/*	__x86_64__	*/
81 
82 #endif /* !_AMD64_REG_H_ */
83