-void MC_heap_region_ignore_insert(mc_heap_ignore_region_t region);
-void MC_heap_region_ignore_send(mc_heap_ignore_region_t region);
-void MC_process_ignore_memory(mc_process_t process, void *addr, size_t size);
+#if HAVE_UCONTEXT_H
+XBT_PUBLIC(void) MC_register_stack_area(void *stack, smx_actor_t process, ucontext_t* context, size_t size);
+#endif