xref: /freebsd/sys/amd64/include/reg.h (revision 3193579b66fd7067f898dbc54bdea81a0e6f9bd0)
1 /*-
2  * Copyright (c) 2003 Peter Wemm.
3  * Copyright (c) 1990 The Regents of the University of California.
4  * All rights reserved.
5  *
6  * This code is derived from software contributed to Berkeley by
7  * William Jolitz.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
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  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *	This product includes software developed by the University of
20  *	California, Berkeley and its contributors.
21  * 4. Neither the name of the University nor the names of its contributors
22  *    may be used to endorse or promote products derived from this software
23  *    without specific prior written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35  * SUCH DAMAGE.
36  *
37  *	from: @(#)reg.h	5.5 (Berkeley) 1/18/91
38  * $FreeBSD$
39  */
40 
41 #ifndef _MACHINE_REG_H_
42 #define	_MACHINE_REG_H_
43 
44 /*
45  * Register set accessible via /proc/$pid/regs and PT_{SET,GET}REGS.
46  */
47 struct reg {
48 	register_t	r_r15;
49 	register_t	r_r14;
50 	register_t	r_r13;
51 	register_t	r_r12;
52 	register_t	r_r11;
53 	register_t	r_r10;
54 	register_t	r_r9;
55 	register_t	r_r8;
56 	register_t	r_rdi;
57 	register_t	r_rsi;
58 	register_t	r_rbp;
59 	register_t	r_rbx;
60 	register_t	r_rdx;
61 	register_t	r_rcx;
62 	register_t	r_rax;
63 	register_t	r_trapno;
64 	register_t	r_err;
65 	register_t	r_rip;
66 	register_t	r_cs;
67 	register_t	r_rflags;
68 	register_t	r_rsp;
69 	register_t	r_ss;
70 };
71 
72 /*
73  * Register set accessible via /proc/$pid/fpregs.
74  */
75 struct fpreg {
76 	/*
77 	 * XXX should get struct from fpu.h.  Here we give a slightly
78 	 * simplified struct.  This may be too much detail.  Perhaps
79 	 * an array of unsigned longs is best.
80 	 */
81 	unsigned long	fpr_env[4];
82 	unsigned char	fpr_acc[8][16];
83 	unsigned char	fpr_xacc[16][16];
84 	unsigned long	fpr_spare[12];
85 };
86 
87 struct dbreg {
88 	unsigned long grrr;
89 };
90 
91 #ifdef _KERNEL
92 /*
93  * XXX these interfaces are MI, so they should be declared in a MI place.
94  */
95 int	fill_regs(struct thread *, struct reg *);
96 int	set_regs(struct thread *, struct reg *);
97 int	fill_fpregs(struct thread *, struct fpreg *);
98 int	set_fpregs(struct thread *, struct fpreg *);
99 int	fill_dbregs(struct thread *, struct dbreg *);
100 int	set_dbregs(struct thread *, struct dbreg *);
101 #endif
102 
103 #endif /* !_MACHINE_REG_H_ */
104