/* Register groupings for GDB, the GNU debugger.
- Copyright (C) 2002, 2007 Free Software Foundation, Inc.
+ Copyright (C) 2002-2015 Free Software Foundation, Inc.
Contributed by Red Hat.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifndef REGGROUPS_H
#define REGGROUPS_H
extern const char *reggroup_name (struct reggroup *reggroup);
extern enum reggroup_type reggroup_type (struct reggroup *reggroup);
-/* Interator for the architecture's register groups. Pass in NULL,
- returns the first group. Pass in a group, returns the next group,
- or NULL when the last group is reached. */
+/* Iterators for the architecture's register groups. Pass in NULL, returns
+ the first (for next), or last (for prev) group. Pass in a group,
+ returns the next or previous group, or NULL when either the end or the
+ beginning of the group list is reached. */
extern struct reggroup *reggroup_next (struct gdbarch *gdbarch,
struct reggroup *last);
+extern struct reggroup *reggroup_prev (struct gdbarch *gdbarch,
+ struct reggroup *curr);
/* Is REGNUM a member of REGGROUP? */
extern int default_register_reggroup_p (struct gdbarch *gdbarch, int regnum,