as the special identifier address are set to indicate wild cards. */
extern struct frame_id frame_id_build_wild (CORE_ADDR stack_addr);
+/* Returns true if FRAME's id has been computed.
+ Returns false otherwise. */
+extern bool frame_id_computed_p (struct frame_info *frame);
+
/* Returns non-zero when L is a valid frame (a valid frame has a
non-zero .base). The outermost frame is valid even without an
ID. */