X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Freggroups.h;h=ed90ff703c43b49886fd0f8fbbbbe8aef98ccb40;hb=93daf339a4d9496ecde15d3b1e852fbdb38c07d0;hp=50f0274fd728889a84349fda633c789ce019b1cc;hpb=28e7fd62340426746f9c896cbc40c5d374ec47aa;p=deliverable%2Fbinutils-gdb.git

diff --git a/gdb/reggroups.h b/gdb/reggroups.h
index 50f0274fd7..ed90ff703c 100644
--- a/gdb/reggroups.h
+++ b/gdb/reggroups.h
@@ -1,6 +1,6 @@
 /* Register groupings for GDB, the GNU debugger.
 
-   Copyright (C) 2002-2013 Free Software Foundation, Inc.
+   Copyright (C) 2002-2016 Free Software Foundation, Inc.
 
    Contributed by Red Hat.
 
@@ -49,11 +49,14 @@ extern void reggroup_add (struct gdbarch *gdbarch, struct reggroup *group);
 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,