+2003-08-04 Andrew Cagney <cagney@redhat.com>
+
+ * reggroups.c (struct reggroup_el): Define.
+ (struct reggroups): Delete field "nr_group". Replace array
+ "group" with a "first" to "last" linked list.
+ (reggroups_init): Update. Allocate using gdbarch's obstack.
+ (reggroups_free): Delete function.
+ (add_group): Update. Add "el" parameter.
+ (reggroup_add): Pass gdbarch obstack allocated space to add_group.
+ (default_groups): Update.
+ (reggroup_next): Replace reggroups.
+ (reggroups_dump): Update.
+ (_initialize_reggroup): Pass XMALLOC allocated space to add_group.
+ * regcache.c (regcache_dump): Use reggroup_next instead of reggroups.
+ * infcmd.c (registers_info): Use reggroup_next instead of reggroups.
+