xref: /freebsd/sys/sys/reg.h (revision d0b2dbfa)
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 
44 struct sbuf;
45 struct regset;
46 
47 typedef bool (regset_get)(struct regset *, struct thread *, void *,
48     size_t *);
49 typedef bool (regset_set)(struct regset *, struct thread *, void *, size_t);
50 
51 struct regset {
52 	int		note;
53 	size_t		size;
54 	regset_get	*get;
55 	regset_set	*set;
56 };
57 
58 #if defined(__ELF_WORD_SIZE)
59 SET_DECLARE(__elfN(regset), struct regset);
60 #define	ELF_REGSET(_regset)	DATA_SET(__elfN(regset), _regset)
61 #endif
62 #ifdef COMPAT_FREEBSD32
63 SET_DECLARE(elf32_regset, struct regset);
64 #define	ELF32_REGSET(_regset)	DATA_SET(elf32_regset, _regset)
65 #endif
66 
67 int	fill_regs(struct thread *, struct reg *);
68 int	set_regs(struct thread *, struct reg *);
69 int	fill_fpregs(struct thread *, struct fpreg *);
70 int	set_fpregs(struct thread *, struct fpreg *);
71 int	fill_dbregs(struct thread *, struct dbreg *);
72 int	set_dbregs(struct thread *, struct dbreg *);
73 #ifdef COMPAT_FREEBSD32
74 int	fill_regs32(struct thread *, struct reg32 *);
75 int	set_regs32(struct thread *, struct reg32 *);
76 #ifndef fill_fpregs32
77 int	fill_fpregs32(struct thread *, struct fpreg32 *);
78 #endif
79 #ifndef set_fpregs32
80 int	set_fpregs32(struct thread *, struct fpreg32 *);
81 #endif
82 #ifndef fill_dbregs32
83 int	fill_dbregs32(struct thread *, struct dbreg32 *);
84 #endif
85 #ifndef set_dbregs32
86 int	set_dbregs32(struct thread *, struct dbreg32 *);
87 #endif
88 #endif
89 #endif
90 
91 #endif
92