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[thirdparty/binutils-gdb.git] / gdb / reggroups.h
1 /* Register groupings for GDB, the GNU debugger.
2
3 Copyright (C) 2002, 2007 Free Software Foundation, Inc.
4
5 Contributed by Red Hat.
6
7 This file is part of GDB.
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; if not, write to the Free Software
21 Foundation, Inc., 51 Franklin Street, Fifth Floor,
22 Boston, MA 02110-1301, USA. */
23
24 #ifndef REGGROUPS_H
25 #define REGGROUPS_H
26
27 struct gdbarch;
28 struct reggroup;
29
30 enum reggroup_type { USER_REGGROUP, INTERNAL_REGGROUP };
31
32 /* Pre-defined, user visible, register groups. */
33 extern struct reggroup *const general_reggroup;
34 extern struct reggroup *const float_reggroup;
35 extern struct reggroup *const system_reggroup;
36 extern struct reggroup *const vector_reggroup;
37 extern struct reggroup *const all_reggroup;
38
39 /* Pre-defined, internal, register groups. */
40 extern struct reggroup *const save_reggroup;
41 extern struct reggroup *const restore_reggroup;
42
43 /* Create a new local register group. */
44 extern struct reggroup *reggroup_new (const char *name,
45 enum reggroup_type type);
46
47 /* Add a register group (with attribute values) to the pre-defined list. */
48 extern void reggroup_add (struct gdbarch *gdbarch, struct reggroup *group);
49
50 /* Register group attributes. */
51 extern const char *reggroup_name (struct reggroup *reggroup);
52 extern enum reggroup_type reggroup_type (struct reggroup *reggroup);
53
54 /* Interator for the architecture's register groups. Pass in NULL,
55 returns the first group. Pass in a group, returns the next group,
56 or NULL when the last group is reached. */
57 extern struct reggroup *reggroup_next (struct gdbarch *gdbarch,
58 struct reggroup *last);
59
60 /* Is REGNUM a member of REGGROUP? */
61 extern int default_register_reggroup_p (struct gdbarch *gdbarch, int regnum,
62 struct reggroup *reggroup);
63
64 #endif