+gint64
+mono_perfcounter_update_value (void *impl, MonoBoolean do_incr, gint64 value)
+{
+ g_assert_not_reached ();
+}
+
+void
+mono_perfcounter_free_data (void *impl)
+{
+ g_assert_not_reached ();
+}
+
+/* Category icalls */
+MonoBoolean
+mono_perfcounter_category_del (MonoString *name)
+{
+ g_assert_not_reached ();
+}
+
+MonoString*
+mono_perfcounter_category_help (MonoString *category, MonoString *machine)
+{
+ g_assert_not_reached ();
+}
+
+MonoBoolean
+mono_perfcounter_category_exists (MonoString *counter, MonoString *category, MonoString *machine)
+{
+ g_assert_not_reached ();
+}
+
+MonoBoolean
+mono_perfcounter_create (MonoString *category, MonoString *help, int type, MonoArray *items)
+{
+ g_assert_not_reached ();
+}
+
+int
+mono_perfcounter_instance_exists (MonoString *instance, MonoString *category, MonoString *machine)
+{
+ g_assert_not_reached ();
+}
+
+MonoArray*
+mono_perfcounter_category_names (MonoString *machine)
+{
+ g_assert_not_reached ();
+}
+
+MonoArray*
+mono_perfcounter_counter_names (MonoString *category, MonoString *machine)
+{
+ g_assert_not_reached ();
+}
+
+MonoArray*
+mono_perfcounter_instance_names (MonoString *category, MonoString *machine)
+{
+ g_assert_not_reached ();
+}
+#endif