-/* Get or set the last displayed symtab and line, which is, e.g. where we set a
- * breakpoint when `break' is supplied with no arguments. */
+/* Initialize *WHAT to be a copy of the user desired print what frame info.
+ If !WHAT.has_value (), the printing function chooses a default set of
+ information to print, otherwise the printing function should print
+ the relevant information. */
+
+void get_user_print_what_frame_info (gdb::optional<enum print_what> *what);
+
+/* Return true if we should display the address in addition to the location,
+ because we are in the middle of a statement. */
+
+bool frame_show_address (struct frame_info *frame, struct symtab_and_line sal);
+
+/* Forget the last sal we displayed. */
+