Module openj9.dtfj

Package com.ibm.dtfj.java.j9

Class JavaHeap

java.lang.Object

com.ibm.dtfj.java.j9.JavaHeap

All Implemented Interfaces:

JavaHeap

public class JavaHeap
extends Object
implements JavaHeap

Constructor Summary

Constructors

Constructor	Description
JavaHeap(JavaRuntime vm, String name, ImagePointer id, ImagePointer start, long size, int arrayletIdOffset, int arrayletIdWidth, long arrayletIdMask, long arrayletIdResult, int fobjectSize, int fobjectPointerScale, long fobjectPointerDisplacement, int classOffset, int classSize, long classAlignment, boolean isSWH)

Method Summary

Modifier and Type	Method	Description
long	getArrayletIdentificationBitmask()
int	getArrayletIdentificationOffset()
long	getArrayletIdentificationResult()
int	getArrayletIdentificationWidth()
long	getClassAlignment()
int	getFObjectSize()
boolean	isSWH()
ImagePointer	readClassPointerRelativeTo(ImagePointer pointer)
ImagePointer	readFObjectAt(ImagePointer basePointer, long offset)
JavaHeapRegion	regionForPointer(ImagePointer address)
void	setRegions(Vector regions)
long	tokenToPointer(long fobject)

Methods declared in class java.lang.Object

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

Methods declared in interface com.ibm.dtfj.java.JavaHeap

equals, getName, getObjects, getSections, hashCode

Constructor Detail

JavaHeap

public JavaHeap(JavaRuntime vm,
                String name,
                ImagePointer id,
                ImagePointer start,
                long size,
                int arrayletIdOffset,
                int arrayletIdWidth,
                long arrayletIdMask,
                long arrayletIdResult,
                int fobjectSize,
                int fobjectPointerScale,
                long fobjectPointerDisplacement,
                int classOffset,
                int classSize,
                long classAlignment,
                boolean isSWH)

Method Detail

regionForPointer

public JavaHeapRegion regionForPointer(ImagePointer address)

getArrayletIdentificationWidth

public int getArrayletIdentificationWidth()

getArrayletIdentificationOffset

public int getArrayletIdentificationOffset()

getArrayletIdentificationBitmask

public long getArrayletIdentificationBitmask()

getArrayletIdentificationResult

public long getArrayletIdentificationResult()

setRegions

public void setRegions(Vector regions)

getFObjectSize

public int getFObjectSize()

tokenToPointer

public long tokenToPointer(long fobject)

readClassPointerRelativeTo

public ImagePointer readClassPointerRelativeTo(ImagePointer pointer)
                                        throws MemoryAccessException,
                                               CorruptDataException

Throws:

MemoryAccessException

CorruptDataException

readFObjectAt

public ImagePointer readFObjectAt(ImagePointer basePointer,
                                  long offset)
                           throws MemoryAccessException,
                                  CorruptDataException

Throws:

MemoryAccessException

CorruptDataException

getClassAlignment

public long getClassAlignment()

isSWH

public boolean isSWH()