-void iterate_over_block_local_vars (struct block *block,
- iterate_over_block_arg_local_vars_cb cb,
- void *cb_data);
+/* 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 (frame_info_ptr frame, struct symtab_and_line sal);
+
+/* Forget the last sal we displayed. */