2003-08-04 Andrew Cagney <cagney@redhat.com>

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.