1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (C) 2014,2019 Andrew Turner
5 * Copyright (c) 2014-2015 The FreeBSD Foundation
6 *
7 * This software was developed by Andrew Turner under
8 * sponsorship from the FreeBSD Foundation.
9 *
10 * This software was developed by SRI International and the University of
11 * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237
12 * ("CTSRD"), as part of the DARPA CRASH research programme.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#ifndef _SYS_REG_H_
37#define _SYS_REG_H_
38
39#include <machine/reg.h>
40
41#ifdef _KERNEL
42#include <sys/linker_set.h>
43
44struct sbuf;
45struct regset;
46
47typedef bool (regset_get)(struct regset *, struct thread *, void *,
48 size_t *);
49typedef bool (regset_set)(struct regset *, struct thread *, void *, size_t);
50
51struct regset {
52 int note;
53 size_t size;
54 regset_get *get;
55 regset_set *set;
56};
57
58#if defined(__ELF_WORD_SIZE)
59SET_DECLARE(__elfN(regset), struct regset);
60#define ELF_REGSET(_regset) DATA_SET(__elfN(regset), _regset)
61#endif
62#ifdef COMPAT_FREEBSD32
63SET_DECLARE(elf32_regset, struct regset);
64#define ELF32_REGSET(_regset) DATA_SET(elf32_regset, _regset)
65#endif
66
67int fill_regs(struct thread *, struct reg *);
68int set_regs(struct thread *, struct reg *);
69int fill_fpregs(struct thread *, struct fpreg *);
70int set_fpregs(struct thread *, struct fpreg *);
71int fill_dbregs(struct thread *, struct dbreg *);
72int set_dbregs(struct thread *, struct dbreg *);
73#ifdef COMPAT_FREEBSD32
74int fill_regs32(struct thread *, struct reg32 *);
75int set_regs32(struct thread *, struct reg32 *);
76#ifndef fill_fpregs32
77int fill_fpregs32(struct thread *, struct fpreg32 *);
78#endif
79#ifndef set_fpregs32
80int set_fpregs32(struct thread *, struct fpreg32 *);
81#endif
82#ifndef fill_dbregs32
83int fill_dbregs32(struct thread *, struct dbreg32 *);
84#endif
85#ifndef set_dbregs32
86int set_dbregs32(struct thread *, struct dbreg32 *);
87#endif
88#endif
89#endif
90
91#endif