extern int generic_prepare_to_proceed (int select_it);
+/* Versions of init_frame_pc(). Do nothing; do the default. */
+
+void init_frame_pc_noop (int fromleaf, struct frame_info *prev);
+
+void init_frame_pc_default (int fromleaf, struct frame_info *prev);
+
+/* Version of cannot_fetch_register() / cannot_store_register() that
+ always fails. */
+
+int cannot_register_not (int regnum);
+
#endif