+static void GC_remove_root_at_pos(i)
+int i;
+{
+ GC_root_size -= (GC_static_roots[i].r_end - GC_static_roots[i].r_start);
+ GC_static_roots[i].r_start = GC_static_roots[n_root_sets-1].r_start;
+ GC_static_roots[i].r_end = GC_static_roots[n_root_sets-1].r_end;
+ GC_static_roots[i].r_tmp = GC_static_roots[n_root_sets-1].r_tmp;
+ n_root_sets--;
+}
+
+#if !defined(MSWIN32) && !defined(MSWINCE)
+static void GC_rebuild_root_index()
+{
+ register int i;
+
+ for (i = 0; i < RT_SIZE; i++) GC_root_index[i] = 0;
+ for (i = 0; i < n_root_sets; i++)
+ add_roots_to_index(GC_static_roots + i);
+}
+#endif
+
+/* Internal use only; lock held. */