void
MM_ConcurrentOverflow::overflowItemInternal(MM_EnvironmentBase *env, void *item, MM_ConcurrentCardTable *cardTable)
{
MM_EnvironmentStandard *envStandard = MM_EnvironmentStandard::getEnvironment(env);
void *heapBase = _extensions->heap->getHeapBase();
void *heapTop = _extensions->heap->getHeapTop();
/* Check reference is within the heap */
if ((PACKET_ARRAY_SPLIT_TAG != ((UDATA)item & PACKET_ARRAY_SPLIT_TAG)) && (item >= heapBase) && (item < heapTop)) {
/* ..and dirty its card if it is */
omrobjectptr_t objectPtr = (omrobjectptr_t)item;
cardTable->dirtyCard(envStandard, objectPtr);
MM_ParallelGlobalGC *globalCollector = (MM_ParallelGlobalGC *)_extensions->getGlobalCollector();
globalCollector->getMarkingScheme()->getMarkingDelegate()->handleWorkPacketOverflowItem(env,objectPtr);
}
}
void
MM_OverflowStandard::overflowItemInternal(MM_EnvironmentBase *env, void *item)
{
void *heapBase = _extensions->heap->getHeapBase();
void *heapTop = _extensions->heap->getHeapTop();
if ((PACKET_ARRAY_SPLIT_TAG != ((uintptr_t)item & PACKET_ARRAY_SPLIT_TAG)) && (item >= heapBase) && (item < heapTop)) {
MM_ParallelGlobalGC *globalCollector = (MM_ParallelGlobalGC *)_extensions->getGlobalCollector();
OMR::GC::MarkingScheme *markingScheme = globalCollector->getMarkingScheme();
MM_MarkMap *markMap = env->getMarkingEnvironment()->markingExtensions()->markMap();
omrobjectptr_t objectPtr = (omrobjectptr_t)item;
/* object has to be marked already */
Assert_MM_true(markMap->isBitSet(objectPtr));
Assert_MM_false(markMap->isBitSet((omrobjectptr_t)((uintptr_t)item + markMap->getObjectGrain())));
/* set overflow bit (double marking) */
markMap->atomicSetBit((omrobjectptr_t)((uintptr_t)item + markMap->getObjectGrain()));
/* Perform language specific actions */
markingScheme->getMarkingDelegate()->handleWorkPacketOverflowItem(env,objectPtr);
}
}