Module openj9.dtfj

Package com.ibm.dtfj.corereaders.j9

Class J9RAS

java.lang.Object

com.ibm.dtfj.corereaders.j9.J9RAS

All Implemented Interfaces:

J9RASFragment

public class J9RAS
extends Object
implements J9RASFragment

Represents the basic J9RAS structure found in all Java versions U_8 eyecatcher[8]; U_32 bitpattern1; U_32 bitpattern2; I_32 version; I_32 length;

Field Summary

Fields

Modifier and Type	Field	Description
static final long	INTEGRITY_CHECK
static final String	J9RAS_EYECATCHER
static final byte[]	J9RAS_EYECATCHER_BYTES

Constructor Summary

Constructors

Constructor	Description
J9RAS(Memory memory, long address)

Method Summary

Modifier and Type	Method	Description
boolean	currentThreadSupported()	Indicates if the current thread data is present in the J9RAS structure
long	getAddress()	The address of this structure within the address space
int	getLength()	Get the length of the J9RAS structure
long	getPID()	The ID of the process which caused the core file generation
long	getTID()	The ID of the thread which caused the core file generation
int	getVersion()	Get the version of the J9RAS structure
boolean	isValid()	Flag to indicate if this represents a valid J9RAS structure

Methods declared in class java.lang.Object

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

Field Details

J9RAS_EYECATCHER

public static final String J9RAS_EYECATCHER

See Also:

• Constant Field Values

J9RAS_EYECATCHER_BYTES

public static final byte[] J9RAS_EYECATCHER_BYTES

INTEGRITY_CHECK

public static final long INTEGRITY_CHECK

See Also:

• Constant Field Values

Constructor Details

J9RAS

public J9RAS(Memory memory,
 long address)
      throws MemoryAccessException

Throws:

MemoryAccessException

Method Details

isValid

public boolean isValid()

Flag to indicate if this represents a valid J9RAS structure

Returns:

true if this is a valid structure

getVersion

public int getVersion()

Get the version of the J9RAS structure

Returns:

version

getLength

public int getLength()

Get the length of the J9RAS structure

Returns:

length

getAddress

public long getAddress()

The address of this structure within the address space

Returns:

address

currentThreadSupported

public boolean currentThreadSupported()

Description copied from interface: J9RASFragment

Indicates if the current thread data is present in the J9RAS structure

Specified by:

currentThreadSupported in interface J9RASFragment

Returns:

true if it is supported

getPID

public long getPID()

Description copied from interface: J9RASFragment

The ID of the process which caused the core file generation

Specified by:

getPID in interface J9RASFragment

Returns:

getTID

public long getTID()

Description copied from interface: J9RASFragment

The ID of the thread which caused the core file generation

Specified by:

getTID in interface J9RASFragment

Returns:

thread ID