X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=ghc%2Frts%2FSanity.c;h=0e68a86ba78d8b7edefd8c61b8e895e29f8cd04a;hb=7f24ae51ed36c5c0308a2d0de23e243f32a0043c;hp=a3bd96f0eb73334023c531cb8f164ad43d549c1e;hpb=0f3205e6c40575910d50bc2cc42020ccf55e07ba;p=ghc-hetmet.git diff --git a/ghc/rts/Sanity.c b/ghc/rts/Sanity.c index a3bd96f..0e68a86 100644 --- a/ghc/rts/Sanity.c +++ b/ghc/rts/Sanity.c @@ -1,6 +1,6 @@ /* ----------------------------------------------------------------------------- * - * (c) The GHC Team, 1998-2001 + * (c) The GHC Team, 1998-2006 * * Sanity checking code for the heap and stack. * @@ -280,7 +280,7 @@ checkClosure( StgClosure* p ) for (i = 0; i < info->layout.payload.ptrs; i++) { ASSERT(LOOKS_LIKE_CLOSURE_PTR(((StgThunk *)p)->payload[i])); } - return stg_max(sizeW_fromITBL(info), sizeofW(StgHeader)+MIN_UPD_SIZE); + return thunk_sizeW_fromITBL(info); } case FUN: @@ -304,9 +304,9 @@ checkClosure( StgClosure* p ) #endif case BLACKHOLE: case CAF_BLACKHOLE: - case FOREIGN: case STABLE_NAME: - case MUT_VAR: + case MUT_VAR_CLEAN: + case MUT_VAR_DIRTY: case CONSTR_INTLIKE: case CONSTR_CHARLIKE: case CONSTR_STATIC: @@ -357,12 +357,9 @@ checkClosure( StgClosure* p ) /* we don't expect to see any of these after GC * but they might appear during execution */ - P_ q; StgInd *ind = (StgInd *)p; ASSERT(LOOKS_LIKE_CLOSURE_PTR(ind->indirectee)); - q = (P_)p + sizeofW(StgInd); - while (!*q) { q++; }; /* skip padding words (see GC.c: evacuate())*/ - return q - (P_)p; + return sizeofW(StgInd); } case RET_BCO: @@ -404,7 +401,8 @@ checkClosure( StgClosure* p ) case ARR_WORDS: return arr_words_sizeW((StgArrWords *)p); - case MUT_ARR_PTRS: + case MUT_ARR_PTRS_CLEAN: + case MUT_ARR_PTRS_DIRTY: case MUT_ARR_PTRS_FROZEN: case MUT_ARR_PTRS_FROZEN0: { @@ -551,12 +549,18 @@ checkHeap(bdescr *bd) { StgPtr p; +#if defined(THREADED_RTS) + // heap sanity checking doesn't work with SMP, because we can't + // zero the slop (see Updates.h). + return; +#endif + for (; bd != NULL; bd = bd->link) { p = bd->start; while (p < bd->free) { nat size = checkClosure((StgClosure *)p); /* This is the smallest size of closure that can live in the heap */ - ASSERT( size >= MIN_NONUPD_SIZE + sizeofW(StgHeader) ); + ASSERT( size >= MIN_PAYLOAD_SIZE + sizeofW(StgHeader) ); p += size; /* skip over slop */ @@ -586,11 +590,11 @@ checkHeapChunk(StgPtr start, StgPtr end) size = sizeofW(StgFetchMe); } else if (get_itbl((StgClosure*)p)->type == IND) { *(p+2) = 0x0000ee11; /* mark slop in IND as garbage */ - size = MIN_UPD_SIZE; + size = sizeofW(StgInd); } else { size = checkClosure((StgClosure *)p); /* This is the smallest size of closure that can live in the heap. */ - ASSERT( size >= MIN_NONUPD_SIZE + sizeofW(StgHeader) ); + ASSERT( size >= MIN_PAYLOAD_SIZE + sizeofW(StgHeader) ); } } } @@ -605,7 +609,7 @@ checkHeapChunk(StgPtr start, StgPtr end) ASSERT(LOOKS_LIKE_INFO_PTR((void*)*p)); size = checkClosure((StgClosure *)p); /* This is the smallest size of closure that can live in the heap. */ - ASSERT( size >= MIN_NONUPD_SIZE + sizeofW(StgHeader) ); + ASSERT( size >= MIN_PAYLOAD_SIZE + sizeofW(StgHeader) ); } } #endif @@ -887,30 +891,6 @@ checkBQ (StgTSO *bqe, StgClosure *closure) } } while (!end); } -#else -void -checkBQ (StgTSO *bqe, StgClosure *closure) -{ - rtsBool end = rtsFalse; - StgInfoTable *info = get_itbl(closure); - - ASSERT(info->type == MVAR); - - do { - switch (get_itbl(bqe)->type) { - case TSO: - checkClosure((StgClosure *)bqe); - bqe = bqe->link; - end = (bqe==END_TSO_QUEUE); - break; - - default: - barf("checkBQ: strange closure %d in blocking queue for closure %p\n", - get_itbl(bqe)->type, closure, info->type); - } - } while (!end); -} - #endif