1/* Manage register sets.
2
3   Copyright (C) 2003-2020 Free Software Foundation, Inc.
4
5   This file is part of GDB.
6
7   This program is free software; you can redistribute it and/or modify
8   it under the terms of the GNU General Public License as published by
9   the Free Software Foundation; either version 3 of the License, or
10   (at your option) any later version.
11
12   This program is distributed in the hope that it will be useful,
13   but WITHOUT ANY WARRANTY; without even the implied warranty of
14   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15   GNU General Public License for more details.
16
17   You should have received a copy of the GNU General Public License
18   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
19
20#ifndef REGSET_H
21#define REGSET_H 1
22
23struct gdbarch;
24struct regcache;
25
26/* Data structure describing a register set.  */
27
28typedef void (supply_regset_ftype) (const struct regset *, struct regcache *,
29                                    int, const void *, size_t);
30typedef void (collect_regset_ftype) (const struct regset *,
31                                     const struct regcache *,
32                                     int, void *, size_t);
33
34struct regset
35{
36  /* Pointer to a "register map", for private use by the methods
37     below.  Typically describes how the regset's registers are
38     arranged in the buffer collected to or supplied from.  */
39  const void *regmap;
40
41  /* Function supplying values in a register set to a register cache.  */
42  supply_regset_ftype *supply_regset;
43
44  /* Function collecting values in a register set from a register cache.  */
45  collect_regset_ftype *collect_regset;
46
47  unsigned flags;
48};
49
50/* Values for a regset's 'flags' field.  */
51
52#define REGSET_VARIABLE_SIZE 1	/* Accept a larger regset section size
53				   in a core file without warning.  */
54
55#endif /* regset.h */
56