X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;ds=sidebyside;f=rts%2Fsm%2FCompact.c;h=892364dfa500b68db5c4b51173da2a5bdbeba190;hb=a2a67cd520b9841114d69a87a423dabcb3b4368e;hp=d70f05955036ac70579093258ddafab0d645fcd7;hpb=a370654a872838c43e63bdd6cc279c0ee9913cdf;p=ghc-hetmet.git diff --git a/rts/sm/Compact.c b/rts/sm/Compact.c index d70f059..892364d 100644 --- a/rts/sm/Compact.c +++ b/rts/sm/Compact.c @@ -13,16 +13,18 @@ #include "PosixSource.h" #include "Rts.h" + +#include "Storage.h" #include "RtsUtils.h" -#include "RtsFlags.h" -#include "OSThreads.h" #include "BlockAlloc.h" -#include "MBlock.h" #include "GC.h" #include "Compact.h" #include "Schedule.h" #include "Apply.h" #include "Trace.h" +#include "Weak.h" +#include "MarkWeak.h" +#include "Stable.h" // Turn off inlining when debugging - it obfuscates things #ifdef DEBUG @@ -83,11 +85,8 @@ thread (StgClosure **p) if (HEAP_ALLOCED(q)) { bd = Bdescr(q); - // a handy way to discover whether the ptr is into the - // compacted area of the old gen, is that the EVACUATED flag - // is zero (it's non-zero for all the other areas of live - // memory). - if ((bd->flags & BF_EVACUATED) == 0) + + if (bd->flags & BF_MARKED) { iptr = *q; switch (GET_CLOSURE_TAG((StgClosure *)iptr)) @@ -169,7 +168,7 @@ loop: case 1: { StgWord r = *(StgPtr)(q-1); - ASSERT(LOOKS_LIKE_INFO_PTR(UNTAG_CLOSURE((StgClosure *)r))); + ASSERT(LOOKS_LIKE_INFO_PTR((StgWord)UNTAG_CLOSURE((StgClosure *)r))); return r; } case 2: @@ -467,7 +466,7 @@ thread_AP_STACK (StgAP_STACK *ap) static StgPtr thread_TSO (StgTSO *tso) { - thread_(&tso->link); + thread_(&tso->_link); thread_(&tso->global_link); if ( tso->why_blocked == BlockedOnMVar @@ -493,6 +492,10 @@ update_fwd_large( bdescr *bd ) for (; bd != NULL; bd = bd->link) { + // nothing to do in a pinned block; it might not even have an object + // at the beginning. + if (bd->flags & BF_PINNED) continue; + p = bd->start; info = get_itbl((StgClosure *)p); @@ -624,8 +627,6 @@ thread_obj (StgInfoTable *info, StgPtr p) case MUT_VAR_CLEAN: case MUT_VAR_DIRTY: case CAF_BLACKHOLE: - case SE_CAF_BLACKHOLE: - case SE_BLACKHOLE: case BLACKHOLE: { StgPtr end; @@ -641,6 +642,7 @@ thread_obj (StgInfoTable *info, StgPtr p) case WEAK: { StgWeak *w = (StgWeak *)p; + thread(&w->cfinalizer); thread(&w->key); thread(&w->value); thread(&w->finalizer); @@ -929,7 +931,7 @@ update_bkwd_compact( step *stp ) iptr = get_threaded_info(p); unthread(p, (StgWord)free + GET_CLOSURE_TAG((StgClosure *)iptr)); - ASSERT(LOOKS_LIKE_INFO_PTR(((StgClosure *)p)->header.info)); + ASSERT(LOOKS_LIKE_INFO_PTR((StgWord)((StgClosure *)p)->header.info)); info = get_itbl((StgClosure *)p); size = closure_sizeW_((StgClosure *)p,info); @@ -981,19 +983,33 @@ compact(StgClosure *static_objects) for (g = 1; g < RtsFlags.GcFlags.generations; g++) { bdescr *bd; StgPtr p; + nat n; for (bd = generations[g].mut_list; bd != NULL; bd = bd->link) { for (p = bd->start; p < bd->free; p++) { thread((StgClosure **)p); } } + for (n = 0; n < n_capabilities; n++) { + for (bd = capabilities[n].mut_lists[g]; + bd != NULL; bd = bd->link) { + for (p = bd->start; p < bd->free; p++) { + thread((StgClosure **)p); + } + } + } } // the global thread list - thread((void *)&all_threads); + for (s = 0; s < total_steps; s++) { + thread((void *)&all_steps[s].threads); + } // any threads resurrected during this GC thread((void *)&resurrected_threads); + // the blackhole queue + thread((void *)&blackhole_queue); + // the task list { Task *task;