com.oracle.svm.core.jdk

Class IdentityHashCodeSupport

java.lang.Object

com.oracle.svm.core.jdk.IdentityHashCodeSupport

public final class IdentityHashCodeSupport
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
static org.graalvm.word.LocationIdentity	IDENTITY_HASHCODE_LOCATION

Constructor Summary

Constructors

Constructor and Description
IdentityHashCodeSupport()

Method Summary

Modifier and Type	Method and Description
static void	ensureInitialized() Initialization can require synchronization which is not allowed during safepoints, so this method can be called before using identity hash codes during a safepoint operation.
static int	generateIdentityHashCode(Object obj, int hashCodeOffset)
static int	getHashCodeOffset(Object obj)

Methods inherited from class java.lang.Object

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

Field Detail

IDENTITY_HASHCODE_LOCATION

public static final org.graalvm.word.LocationIdentity IDENTITY_HASHCODE_LOCATION

Constructor Detail

IdentityHashCodeSupport

public IdentityHashCodeSupport()

Method Detail

ensureInitialized

public static void ensureInitialized()

Initialization can require synchronization which is not allowed during safepoints, so this method can be called before using identity hash codes during a safepoint operation.

generateIdentityHashCode

public static int generateIdentityHashCode(Object obj,
                                           int hashCodeOffset)

getHashCodeOffset

public static int getHashCodeOffset(Object obj)