#define REGPARM1
#endif
-REGPARM1 StgClosure * evacuate (StgClosure *q);
+REGPARM1 void evacuate (StgClosure **p);
+REGPARM1 void evacuate1 (StgClosure **p);
extern lnat thunk_selector_depth;
+
+#if defined(PROF_SPIN) && defined(THREADED_RTS)
+StgWord64 whitehole_spin;
+#endif