Class StructurePointer

java.lang.Object

com.ibm.j9ddr.vm29.j9.DataType

com.ibm.j9ddr.vm29.pointer.AbstractPointer

com.ibm.j9ddr.vm29.pointer.StructurePointer

public abstract class StructurePointer
extends AbstractPointer

Root of the hierarchy for VM C structures.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	StructurePointer.StructureField

Field Summary

Fields declared in class AbstractPointer

address

Modifier and Type	Field	Description
protected final long	address

Fields declared in class DataType

BITFIELD_FORMAT, pointerPackageName, process, SIZEOF_BOOL, structurePackageName

Modifier and Type	Field	Description
protected static byte	BITFIELD_FORMAT
protected static String	pointerPackageName
protected static IProcess	process
protected static byte	SIZEOF_BOOL
protected static String	structurePackageName

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	StructurePointer(long address)

Method Summary

Modifier and Type	Method	Description
DataType	at(long count)
DataType	at(Scalar count)
StructurePointer	getAsRuntimeType()
protected final I16	getI16Bitfield(int bitOffset, int bitWidth)
protected final I32	getI32Bitfield(int bitOffset, int bitWidth)
protected final I64	getI64Bitfield(int bitOffset, int bitWidth)
protected final I8	getI8Bitfield(int bitOffset, int bitWidth)
StructurePointer.StructureField[]	getStructureFields()
protected final U16	getU16Bitfield(int bitOffset, int bitWidth)
protected final U32	getU32Bitfield(int bitOffset, int bitWidth)
protected final U64	getU64Bitfield(int bitOffset, int bitWidth)
protected final U8	getU8Bitfield(int bitOffset, int bitWidth)

Methods declared in class AbstractPointer

add, add, addOffset, addOffset, allBitsIn, anyBitsIn, compare, eq, formatFullInteractive, getAddress, getAddressSpace, getBaseCharAtOffset, getBoolAtOffset, getByteAtOffset, getBytesAtOffset, getDoubleAtOffset, getFloatAtOffset, getHexAddress, getHexValue, getIDATAAtOffset, getIntAtOffset, getLongAtOffset, getObjectClassAtOffset, getObjectMonitorAtOffset, getObjectReferenceAtOffset, getPointerAtOffset, getShortAtOffset, getTargetName, getUDATAAtOffset, gt, gte, hexAt, hexAt, isNull, longValue, lt, lte, nonNullAddress, nonNullFieldEA, notNull, reportClassCacheStats, sizeOfBaseType, sub, sub, sub, subOffset, subOffset, untag, untag

Modifier and Type	Method	Description
abstract AbstractPointer	add(long count)
abstract AbstractPointer	add(Scalar count)
abstract AbstractPointer	addOffset(long offset)
abstract AbstractPointer	addOffset(Scalar offset)
final boolean	allBitsIn(long bitmask)
boolean	anyBitsIn(long bitmask)
int	compare(AbstractPointer pointer)
boolean	eq(Object obj)
String	formatFullInteractive()
long	getAddress()
protected static IProcess	getAddressSpace()
protected char	getBaseCharAtOffset(long offset)
protected boolean	getBoolAtOffset(long offset)
protected byte	getByteAtOffset(long offset)
int	getBytesAtOffset(long offset, byte[] data)
protected double	getDoubleAtOffset(long offset)
protected float	getFloatAtOffset(long offset)
String	getHexAddress()
String	getHexValue()	This method reads number of the bytes depending on the pointers' base size.
protected IDATA	getIDATAAtOffset(long offset)
protected int	getIntAtOffset(long offset)
protected long	getLongAtOffset(long offset)
protected com.ibm.j9ddr.vm29.pointer.generated.J9ClassPointer	getObjectClassAtOffset(long offset)
protected com.ibm.j9ddr.vm29.pointer.generated.J9ObjectMonitorPointer	getObjectMonitorAtOffset(long offset)
protected com.ibm.j9ddr.vm29.pointer.generated.J9ObjectPointer	getObjectReferenceAtOffset(long offset)
protected long	getPointerAtOffset(long offset)
protected short	getShortAtOffset(long offset)
String	getTargetName()
protected UDATA	getUDATAAtOffset(long offset)
boolean	gt(AbstractPointer pointer)
boolean	gte(AbstractPointer pointer)
String	hexAt(long index)	This method returns the memory values at the given index.
String	hexAt(Scalar index)	This method returns the memory values at the given index.
boolean	isNull()
long	longValue()
boolean	lt(AbstractPointer pointer)
boolean	lte(AbstractPointer pointer)
final long	nonNullAddress()
final long	nonNullFieldEA(long offset)
boolean	notNull()
static void	reportClassCacheStats()
protected abstract long	sizeOfBaseType()
abstract AbstractPointer	sub(long count)
IDATA	sub(AbstractPointer pointer)
abstract AbstractPointer	sub(Scalar count)
abstract AbstractPointer	subOffset(long offset)
abstract AbstractPointer	subOffset(Scalar offset)
abstract AbstractPointer	untag()
abstract AbstractPointer	untag(long tagBits)

Methods declared in class DataType

formatShortInteractive, getJ9RASPointer, getPointerPackageName, getProcess, getStructure, getStructure, getStructure, getStructurePackageName, init, setJ9RASPointer

Modifier and Type	Method	Description
String	formatShortInteractive()
static com.ibm.j9ddr.vm29.pointer.generated.J9RASPointer	getJ9RASPointer()
static String	getPointerPackageName()
static IProcess	getProcess()
static <T> T	getStructure(Class<T> clazz, long address)
static DataType	getStructure(String name, long address)
static DataType	getStructure(String name, UDATA udata)
static String	getStructurePackageName()
static void	init(IProcess process, StructureReader structureReader)
static void	setJ9RASPointer(com.ibm.j9ddr.vm29.pointer.generated.J9RASPointer j9RASPointer)

Methods declared in class Object

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

Constructor Details

StructurePointer

protected StructurePointer(long address)

Method Details

at

public DataType at(long count)

at

public DataType at(Scalar count)

getI8Bitfield

protected final I8 getI8Bitfield(int bitOffset,
 int bitWidth)
                          throws CorruptDataException

Throws:

CorruptDataException

getI16Bitfield

protected final I16 getI16Bitfield(int bitOffset,
 int bitWidth)
                            throws CorruptDataException

Throws:

CorruptDataException

getI32Bitfield

protected final I32 getI32Bitfield(int bitOffset,
 int bitWidth)
                            throws CorruptDataException

Throws:

CorruptDataException

getI64Bitfield

protected final I64 getI64Bitfield(int bitOffset,
 int bitWidth)
                            throws CorruptDataException

Throws:

CorruptDataException

getU8Bitfield

protected final U8 getU8Bitfield(int bitOffset,
 int bitWidth)
                          throws CorruptDataException

Throws:

CorruptDataException

getU16Bitfield

protected final U16 getU16Bitfield(int bitOffset,
 int bitWidth)
                            throws CorruptDataException

Throws:

CorruptDataException

getU32Bitfield

protected final U32 getU32Bitfield(int bitOffset,
 int bitWidth)
                            throws CorruptDataException

Throws:

CorruptDataException

getU64Bitfield

protected final U64 getU64Bitfield(int bitOffset,
 int bitWidth)
                            throws CorruptDataException

Throws:

CorruptDataException

getAsRuntimeType

public StructurePointer getAsRuntimeType()

getStructureFields

public StructurePointer.StructureField[] getStructureFields()