extern struct ada_task_info *ada_get_task_info_from_ptid (ptid_t ptid);
-extern int ada_get_task_number (ptid_t);
+extern int ada_get_task_number (thread_info *thread);
typedef void (ada_task_list_iterator_ftype) (struct ada_task_info *task);
extern void iterate_over_live_ada_tasks