FreeBSD/Linux Kernel Cross Reference
sys/sys/reg.h
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 * $FreeBSD$
36 */
37
38 #ifndef _SYS_REG_H_
39 #define _SYS_REG_H_
40
41 #include <machine/reg.h>
42
43 #ifdef _KERNEL
44 #include <sys/linker_set.h>
45
46 struct sbuf;
47 struct regset;
48
49 typedef bool (regset_get)(struct regset *, struct thread *, void *,
50 size_t *);
51 typedef bool (regset_set)(struct regset *, struct thread *, void *, size_t);
52
53 struct regset {
54 int note;
55 size_t size;
56 regset_get *get;
57 regset_set *set;
58 };
59
60 #if defined(__ELF_WORD_SIZE)
61 SET_DECLARE(__elfN(regset), struct regset);
62 #define ELF_REGSET(_regset) DATA_SET(__elfN(regset), _regset)
63 #endif
64 #ifdef COMPAT_FREEBSD32
65 SET_DECLARE(elf32_regset, struct regset);
66 #define ELF32_REGSET(_regset) DATA_SET(elf32_regset, _regset)
67 #endif
68
69 int fill_regs(struct thread *, struct reg *);
70 int set_regs(struct thread *, struct reg *);
71 int fill_fpregs(struct thread *, struct fpreg *);
72 int set_fpregs(struct thread *, struct fpreg *);
73 int fill_dbregs(struct thread *, struct dbreg *);
74 int set_dbregs(struct thread *, struct dbreg *);
75 #ifdef COMPAT_FREEBSD32
76 int fill_regs32(struct thread *, struct reg32 *);
77 int set_regs32(struct thread *, struct reg32 *);
78 #ifndef fill_fpregs32
79 int fill_fpregs32(struct thread *, struct fpreg32 *);
80 #endif
81 #ifndef set_fpregs32
82 int set_fpregs32(struct thread *, struct fpreg32 *);
83 #endif
84 #ifndef fill_dbregs32
85 int fill_dbregs32(struct thread *, struct dbreg32 *);
86 #endif
87 #ifndef set_dbregs32
88 int set_dbregs32(struct thread *, struct dbreg32 *);
89 #endif
90 #endif
91 #endif
92
93 #endif
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