X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=includes%2FCmm.h;h=641faa216ea255230805f02eeb616352e5a142fc;hb=1f7ab811c4421458568b0ed900b496192fee885b;hp=52b5bec415e217a57652f8d0c5ec23b05e33443d;hpb=c93bd73f12d7036d297d00fc4082699f568c7d43;p=ghc-hetmet.git

diff --git a/includes/Cmm.h b/includes/Cmm.h
index 52b5bec..641faa2 100644
--- a/includes/Cmm.h
+++ b/includes/Cmm.h
@@ -383,7 +383,7 @@
 // allocate() - this includes many of the primops.
 #define MAYBE_GC(liveness,reentry)			\
     if (bdescr_link(CurrentNursery) == NULL || \
-        generation_n_new_large_blocks(W_[g0]) >= CInt[alloc_blocks_lim]) {   \
+        generation_n_new_large_words(W_[g0]) >= CLong[large_alloc_lim]) {   \
 	R9  = liveness;					\
         R10 = reentry;					\
         HpAlloc = 0;					\
@@ -413,6 +413,9 @@
 /* The offset of the payload of an array */
 #define BYTE_ARR_CTS(arr)  ((arr) + SIZEOF_StgArrWords)
 
+/* The number of words allocated in an array payload */
+#define BYTE_ARR_WDS(arr) ROUNDUP_BYTES_TO_WDS(StgArrWords_bytes(arr))
+
 /* Getting/setting the info pointer of a closure */
 #define SET_INFO(p,info) StgHeader_info(p) = info
 #define GET_INFO(p) StgHeader_info(p)
@@ -461,8 +464,16 @@
 #define StgFunInfoExtra_bitmap(i)     StgFunInfoExtraFwd_bitmap(i)
 #endif
 
-#define mutArrPtrsCardWords(n) \
-    ROUNDUP_BYTES_TO_WDS(((n) + (1 << MUT_ARR_PTRS_CARD_BITS) - 1) >> MUT_ARR_PTRS_CARD_BITS)
+#define mutArrCardMask ((1 << MUT_ARR_PTRS_CARD_BITS) - 1)
+#define mutArrPtrCardDown(i) ((i) >> MUT_ARR_PTRS_CARD_BITS)
+#define mutArrPtrCardUp(i)   (((i) + mutArrCardMask) >> MUT_ARR_PTRS_CARD_BITS)
+#define mutArrPtrsCardWords(n) ROUNDUP_BYTES_TO_WDS(mutArrPtrCardUp(n))
+
+#if defined(PROFILING) || (!defined(THREADED_RTS) && defined(DEBUG))
+#define OVERWRITING_CLOSURE(c) foreign "C" overwritingClosure(c "ptr")
+#else
+#define OVERWRITING_CLOSURE(c) /* nothing */
+#endif
 
 /* -----------------------------------------------------------------------------
    Voluntary Yields/Blocks