Module openj9.dtfj

Package com.ibm.j9ddr.vm29.j9.gc

Class GCMarkMap

java.lang.Object

com.ibm.j9ddr.vm29.j9.gc.GCHeapMap

com.ibm.j9ddr.vm29.j9.gc.GCMarkMap

Direct Known Subclasses:

GCMarkMapStandard

public class GCMarkMap
extends GCHeapMap

Nested Class Summary

Nested classes/interfaces declared in class com.ibm.j9ddr.vm29.j9.gc.GCHeapMap

GCHeapMap.MarkedObject

Field Summary

Fields

Modifier and Type	Field	Description
static final UDATA	J9MODRON_HEAP_BYTES_PER_MARK_BYTE
static final UDATA	J9MODRON_HEAP_SLOTS_PER_MARK_BIT
static final UDATA	J9MODRON_HEAP_SLOTS_PER_MARK_SLOT

Fields declared in class com.ibm.j9ddr.vm29.j9.gc.GCHeapMap

_heapBase, _heapMap, _heapMapBitMask, _heapMapBits, _heapMapBitShift, _heapMapIndexShift, _heapTop, _maxOffset, BITS_IN_BYTES, J9BITS_BITS_IN_SLOT, J9MODRON_HEAP_BYTES_PER_HEAPMAP_BIT, J9MODRON_HEAP_BYTES_PER_HEAPMAP_BYTE, J9MODRON_HEAP_BYTES_PER_HEAPMAP_SLOT, J9MODRON_HEAP_SLOTS_PER_HEAPMAP_SLOT

Constructor Summary

Constructors

Constructor	Description
GCMarkMap(com.ibm.j9ddr.vm29.pointer.generated.MM_HeapMapPointer markMap)

Method Summary

Methods declared in class com.ibm.j9ddr.vm29.j9.gc.GCHeapMap

from, fromHeapMap, getHeapBase, getHeapMap, getHeapMapBits, getHeapTop, getObjectGrain, getPageSize, getSlotIndexAndMask, isBitSet, isBitSetNoCheck, isMarked, queryObject, queryRange

Methods declared in class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

J9MODRON_HEAP_SLOTS_PER_MARK_BIT

public static final UDATA J9MODRON_HEAP_SLOTS_PER_MARK_BIT

J9MODRON_HEAP_SLOTS_PER_MARK_SLOT

public static final UDATA J9MODRON_HEAP_SLOTS_PER_MARK_SLOT

J9MODRON_HEAP_BYTES_PER_MARK_BYTE

public static final UDATA J9MODRON_HEAP_BYTES_PER_MARK_BYTE

Constructor Details

GCMarkMap

public GCMarkMap(com.ibm.j9ddr.vm29.pointer.generated.MM_HeapMapPointer markMap)
          throws CorruptDataException

Throws:

CorruptDataException