Overview  Package   Class  Use  Tree  Serialized  Deprecated  Index  Help 
 PREV CLASS   NEXT CLASS FRAMES    NO FRAMES    
SUMMARY: NESTED | FIELD | CONSTR | METHOD DETAIL: FIELD | CONSTR | METHOD

org.mmtk.plan.semispace.gctrace
Class GCTraceConstraints

java.lang.Object
  extended by org.mmtk.plan.PlanConstraints
      extended by org.mmtk.plan.SimpleConstraints
          extended by org.mmtk.plan.StopTheWorldConstraints
              extended by org.mmtk.plan.semispace.SSConstraints
                  extended by org.mmtk.plan.semispace.gctrace.GCTraceConstraints

public class GCTraceConstraints
extends SSConstraints

GCTrace constants.

Constructor Summary
GCTraceConstraints()
           
 
Method Summary
 boolean generateGCTrace()
           
 boolean needsObjectReferenceWriteBarrier()
           
 
Methods inherited from class org.mmtk.plan.semispace.SSConstraints
gcHeaderBits, gcHeaderWords, movesObjects, numSpecializedScans
 
Methods inherited from class org.mmtk.plan.PlanConstraints
addressBulkCopySupported, booleanBulkCopySupported, byteBulkCopySupported, charBulkCopySupported, doubleBulkCopySupported, extentBulkCopySupported, floatBulkCopySupported, generational, intBulkCopySupported, longBulkCopySupported, maxNonLOSCopyBytes, maxNonLOSDefaultAllocBytes, maxNonLOSNonMovingAllocBytes, needsAddressReadBarrier, needsAddressWriteBarrier, needsBooleanReadBarrier, needsBooleanWriteBarrier, needsByteReadBarrier, needsByteWriteBarrier, needsCharReadBarrier, needsCharWriteBarrier, needsConcurrentWorkers, needsDoubleReadBarrier, needsDoubleWriteBarrier, needsExtentReadBarrier, needsExtentWriteBarrier, needsFloatReadBarrier, needsFloatWriteBarrier, needsForwardAfterLiveness, needsIntReadBarrier, needsIntWriteBarrier, needsJavaLangReferenceReadBarrier, needsLinearScan, needsLogBitInHeader, needsLongReadBarrier, needsLongWriteBarrier, needsObjectReferenceNonHeapReadBarrier, needsObjectReferenceNonHeapWriteBarrier, needsObjectReferenceReadBarrier, needsOffsetReadBarrier, needsOffsetWriteBarrier, needsShortReadBarrier, needsShortWriteBarrier, needsWordReadBarrier, needsWordWriteBarrier, objectReferenceBulkCopySupported, offsetBulkCopySupported, shortBulkCopySupported, withGCspy, wordBulkCopySupported
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

GCTraceConstraints

public GCTraceConstraints()
Method Detail

needsObjectReferenceWriteBarrier

public boolean needsObjectReferenceWriteBarrier()
Overrides:
needsObjectReferenceWriteBarrier in class PlanConstraints
Returns:
true if this Plan requires write barriers on object references.

generateGCTrace

public boolean generateGCTrace()
Overrides:
generateGCTrace in class PlanConstraints
Returns:
true if this plan contains GCTrace.
Overview  Package   Class  Use  Tree  Serialized  Deprecated  Index  Help 
 PREV CLASS   NEXT CLASS FRAMES    NO FRAMES    
SUMMARY: NESTED | FIELD | CONSTR | METHOD DETAIL: FIELD | CONSTR | METHOD