2013-05-17  Phil Muldoon  <pmuldoon@redhat.com>

	* frame.c (frame_stash): Convert to htab.
	(frame_addr_hash): New function.
	(frame_addr_hash_eq): New function.
	(frame_stash_create): Convert function to create
	a hash table.
	(frame_stash_add): Convert function to add an entry to a hash
	table.
	(frame_stash_find): Convert function to search the hash table.
	(frame_stash_invalidate): Convert function to empty the hash
	table.
	(get_frame_id): Only add to stash if a frame_id is created.
	(_initialize_frame): Call frame_stash_create.