+guint8*
+mono_gc_get_card_table (int *shift_bits, gpointer *card_mask)
+{
+ g_assert_not_reached ();
+ return NULL;
+}
+
+void*
+mono_gc_get_nursery (int *shift_bits, size_t *size)
+{
+ return NULL;
+}
+
+gboolean
+mono_gc_precise_stack_mark_enabled (void)
+{
+ return FALSE;
+}
+
+FILE *
+mono_gc_get_logfile (void)
+{
+ return NULL;
+}
+
+void
+mono_gc_conservatively_scan_area (void *start, void *end)
+{
+ g_assert_not_reached ();
+}
+
+void *
+mono_gc_scan_object (void *obj)
+{
+ g_assert_not_reached ();
+ return NULL;
+}
+
+gsize*
+mono_gc_get_bitmap_for_descr (void *descr, int *numbits)
+{
+ g_assert_not_reached ();
+ return NULL;
+}
+
+void
+mono_gc_set_gc_callbacks (MonoGCCallbacks *callbacks)
+{
+}
+