/* Register groupings for GDB, the GNU debugger.
- Copyright (C) 2002, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2002-2016 Free Software Foundation, Inc.
Contributed by Red Hat.
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,