1 files changed, 20 insertions, 0 deletions
diff --git a/gdb/cli/cli-option.h b/gdb/cli/cli-option.h
index bbe281d..26307a5 100644
--- a/gdb/cli/cli-option.h
+++ b/gdb/cli/cli-option.h
@@ -308,6 +308,26 @@ struct string_option_def : option_def
   }
 };
 
+/* A var_filename command line option.  */
+
+template<typename Context>
+struct filename_option_def : option_def
+{
+  filename_option_def (const char *long_option_,
+		       std::string *(*get_var_address_cb_) (Context *),
+		       show_value_ftype *show_cmd_cb_,
+		       const char *set_doc_,
+		       const char *show_doc_ = nullptr,
+		       const char *help_doc_ = nullptr)
+    : option_def (long_option_, var_filename, nullptr,
+		  (erased_get_var_address_ftype *) get_var_address_cb_,
+		  show_cmd_cb_,
+		  set_doc_, show_doc_, help_doc_)
+  {
+    var_address.string = detail::get_var_address<std::string, Context>;
+  }
+};
+
 /* A group of options that all share the same context pointer to pass
    to the options' get-current-value callbacks.  */
 struct option_def_group