com.oracle.graal.hotspot.replacements

Class HotSpotReplacementsUtil

java.lang.Object

com.oracle.graal.hotspot.replacements.HotSpotReplacementsUtil

public class HotSpotReplacementsUtil
extends Object

A collection of methods used in HotSpot snippets, substitutions and stubs.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
(package private) static class	HotSpotReplacementsUtil.HotSpotOptimizingLocationIdentity

Field Summary

Fields

Modifier and Type	Field and Description
static LocationIdentity	ARRAY_KLASS_COMPONENT_MIRROR
static LocationIdentity	CLASS_ARRAY_KLASS_LOCATION
static LocationIdentity	CLASS_KLASS_LOCATION
static LocationIdentity	CLASS_MIRROR_LOCATION
static LocationIdentity	CLASS_STATE_LOCATION
static LocationIdentity	DISPLACED_MARK_WORD_LOCATION
static LocationIdentity	EXCEPTION_OOP_LOCATION
static LocationIdentity	EXCEPTION_PC_LOCATION
static LocationIdentity	HEAP_END_LOCATION
static LocationIdentity	HEAP_TOP_LOCATION
static LocationIdentity	HUB_LOCATION
static LocationIdentity	HUB_WRITE_LOCATION
static LocationIdentity	INSTANCE_KLASS_CONSTANTS
static LocationIdentity	JAVA_THREAD_OSTHREAD_LOCATION
static LocationIdentity	JAVA_THREAD_THREAD_OBJECT_LOCATION
static LocationIdentity	KLASS_ACCESS_FLAGS_LOCATION
static LocationIdentity	KLASS_LAYOUT_HELPER_LOCATION
static LocationIdentity	KLASS_MODIFIER_FLAGS_LOCATION
static LocationIdentity	KLASS_SUPER_CHECK_OFFSET_LOCATION
static LocationIdentity	KLASS_SUPER_KLASS_LOCATION
static LocationIdentity	LAST_JAVA_FP_LOCATION
static LocationIdentity	LAST_JAVA_PC_LOCATION
static LocationIdentity	MARK_WORD_LOCATION
static LocationIdentity	METASPACE_ARRAY_LENGTH_LOCATION
static LocationIdentity	OBJ_ARRAY_KLASS_ELEMENT_KLASS_LOCATION
static LocationIdentity	OBJECT_RESULT_LOCATION
static LocationIdentity	PENDING_DEOPTIMIZATION_LOCATION
static LocationIdentity	PENDING_EXCEPTION_LOCATION
static LocationIdentity	PRIMARY_SUPERS_LOCATION
static LocationIdentity	PROTOTYPE_MARK_WORD_LOCATION
static LocationIdentity	SECONDARY_SUPER_CACHE_LOCATION
static LocationIdentity	SECONDARY_SUPERS_ELEMENT_LOCATION
static LocationIdentity	SECONDARY_SUPERS_LOCATION
static LocationIdentity	TLAB_END_LOCATION
static LocationIdentity	TLAB_FAST_REFILL_WASTE_LOCATION
static LocationIdentity	TLAB_NOF_REFILLS_LOCATION
static LocationIdentity	TLAB_REFILL_WASTE_LIMIT_LOCATION
static LocationIdentity	TLAB_SIZE_LOCATION
static LocationIdentity	TLAB_SLOW_ALLOCATIONS_LOCATION
static LocationIdentity	TLAB_START_LOCATION
static LocationIdentity	TLAB_THREAD_ALLOCATED_BYTES_LOCATION
static LocationIdentity	TLAB_TOP_LOCATION

Constructor Summary

Constructors

Constructor and Description
HotSpotReplacementsUtil()

Method Summary

Modifier and Type	Method and Description
static int	ageMaskInPlace()
static int	arrayBaseOffset(Kind elementKind)
static int	arrayClassElementOffset()
static int	arrayIndexScale(Kind elementKind)
static int	arrayKlassComponentMirrorOffset()
static int	arrayKlassOffset()
static int	arrayLengthOffset()
static long	arrayPrototypeMarkWord()
static int	biasedLockMaskInPlace() Mask for a biasable, locked or unlocked mark word.
static int	biasedLockPattern() Pattern for a biasable, unlocked mark word.
static int	cardTableShift()
static long	cardTableStart()
static int	classMirrorOffset()
static boolean	clearPendingException(Word thread) Clears the pending exception for the given thread.
(package private) static int	computeHashCode(Object x)
static HotSpotVMConfig	config()
static int	constantPoolHolderOffset()
static int	constantPoolLengthOffset()
static int	constantPoolSize()
static byte	dirtyCardValue()
static int	epochMaskInPlace()
static int	g1CardQueueBufferOffset()
static int	g1CardQueueIndexOffset()
static int	g1SATBQueueBufferOffset()
static int	g1SATBQueueIndexOffset()
static int	g1SATBQueueMarkingOffset()
static byte	g1YoungCardValue()
static long	gcTotalCollectionsAddress()
static boolean	generatePIC()
static Object	getAndClearObjectResult(Word thread) Gets and clears the object result from a runtime call stored in a thread local.
static Kind	getWordKind()
static long	heapEndAddress()
static long	heapTopAddress()
static int	heapWordSize()
private static int	hubOffset()
static int	identityHashCode(ForeignCallDescriptor descriptor, Object object)
(package private) static int	identityHashCodeShift()
static void	initializeObjectHeader(Word memory, Word markWord, KlassPointer hub)
static void	initializeTlab(Word thread, Word start, Word end)
static boolean	inlineContiguousAllocationSupported()
static int	instanceHeaderSize()
static int	instanceKlassConstantsOffset()
static int	instanceKlassInitStateOffset()
static int	instanceKlassStateFullyInitialized()
static boolean	isImmutableCode()
static boolean	isInstanceKlassFullyInitialized(KlassPointer hub)
static int	jvmAccWrittenFlags()
static int	klassAccessFlagsOffset()
static boolean	klassIsArray(KlassPointer klass) Checks if class klass is an array.
static int	klassLayoutHelperOffset()
static int	klassModifierFlagsOffset()
static int	klassOffset()
static int	klassSuperKlassOffset()
static int	layoutHelperElementTypeMask()
static int	layoutHelperElementTypePrimitiveInPlace()
static int	layoutHelperElementTypeShift()
static int	layoutHelperHeaderSizeMask()
static int	layoutHelperHeaderSizeShift()
static int	layoutHelperLog2ElementSizeMask()
static int	layoutHelperLog2ElementSizeShift()
static KlassPointer	loadHub(Object object) Loads the hub of an object (without null checking it first).
static KlassPointer	loadHubIntrinsic(Object object)
static KlassPointer	loadHubIntrinsic(Object object, GuardingNode anchor)
static KlassPointer	loadKlassFromObject(Object object, int offset, LocationIdentity identity)
private static KlassPointer	loadKlassFromObjectIntrinsic(Object object, long offset, Kind wordKind, LocationIdentity locationIdentity)
static int	loadKlassLayoutHelperIntrinsic(KlassPointer object)
static int	loadKlassLayoutHelperIntrinsic(KlassPointer object, GuardingNode anchor)
static Word	loadWordFromObject(Object object, int offset)
static Word	loadWordFromObject(Object object, int offset, LocationIdentity identity)
private static Word	loadWordFromObjectIntrinsic(Object object, long offset, Kind wordKind, LocationIdentity locationIdentity)
static int	lockDisplacedMarkOffset()
static int	log2WordSize()
static int	logOfHeapRegionGrainBytes()
static int	markOffset()
static int	metaspaceArrayBaseOffset()
static int	metaspaceArrayLengthOffset()
private static int	objectResultOffset()
static int	osThreadInterruptedOffset()
static int	osThreadOffset()
static int	pageSize()
static int	prototypeMarkWordOffset()
static Object	readExceptionOop(Word thread)
static Word	readExceptionPc(Word thread)
private static byte	readInstanceKlassState(KlassPointer hub)
static int	readLayoutHelper(KlassPointer hub)
static int	readPendingDeoptimization(Word thread) Reads the pending deoptimization value for the given thread.
static Word	readTlabEnd(Word thread)
static Word	readTlabStart(Word thread)
static Word	readTlabTop(Word thread)
static long	referentOffset()
static Word	registerAsWord(Register register) Reads the value of a given register.
static Word	registerAsWord(Register register, boolean directUse, boolean incoming)
static int	secondarySuperCacheOffset()
static int	secondarySupersOffset()
static int	superCheckOffsetOffset()
static int	threadAllocatedBytesOffset()
static int	threadExceptionOopOffset()
static int	threadExceptionPcOffset()
static int	threadLastJavaFpOffset()
static int	threadLastJavaPcOffset()
static int	threadObjectOffset()
private static int	threadPendingDeoptimizationOffset()
private static int	threadPendingExceptionOffset()
private static int	threadTlabEndOffset()
static int	threadTlabSizeOffset()
private static int	threadTlabStartOffset()
static int	threadTlabTopOffset()
static int	tlabAlignmentReserveInHeapWords()
static int	tlabFastRefillWasteOffset()
static long	tlabIntArrayMarkWord()
static int	tlabNumberOfRefillsOffset()
static int	tlabRefillWasteIncrement()
static int	tlabRefillWasteLimitOffset()
static int	tlabSlowAllocationsOffset()
static boolean	tlabStats()
(package private) static int	uninitializedIdentityHashCodeValue()
static int	unlockedMask()
static boolean	useBiasedLocking()
static boolean	useCompressedOops()
static boolean	useDeferredInitBarriers()
static boolean	useG1GC()
static boolean	useTLAB()
static int	verifiedEntryPointOffset()
static Object	verifyOop(Object object)
static boolean	verifyOops()
private static Object	verifyOopStub(ForeignCallDescriptor descriptor, Object object)
static int	wordSize()
static void	writeExceptionOop(Word thread, Object value)
static void	writeExceptionPc(Word thread, Word value)
static void	writeLastJavaFp(Word thread, Word value)
static void	writeLastJavaPc(Word thread, Word value)
static void	writePendingDeoptimization(Word thread, int value) Writes the pending deoptimization value for the given thread.
static void	writeRegisterAsWord(Register register, Word value)
static void	writeTlabTop(Word thread, Word top)

Methods inherited from class java.lang.Object

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

Field Detail

EXCEPTION_OOP_LOCATION

public static final LocationIdentity EXCEPTION_OOP_LOCATION

EXCEPTION_PC_LOCATION

public static final LocationIdentity EXCEPTION_PC_LOCATION

LAST_JAVA_PC_LOCATION

public static final LocationIdentity LAST_JAVA_PC_LOCATION

LAST_JAVA_FP_LOCATION

public static final LocationIdentity LAST_JAVA_FP_LOCATION

TLAB_TOP_LOCATION

public static final LocationIdentity TLAB_TOP_LOCATION

TLAB_END_LOCATION

public static final LocationIdentity TLAB_END_LOCATION

TLAB_START_LOCATION

public static final LocationIdentity TLAB_START_LOCATION

PENDING_EXCEPTION_LOCATION

public static final LocationIdentity PENDING_EXCEPTION_LOCATION

PENDING_DEOPTIMIZATION_LOCATION

public static final LocationIdentity PENDING_DEOPTIMIZATION_LOCATION

OBJECT_RESULT_LOCATION

public static final LocationIdentity OBJECT_RESULT_LOCATION

JAVA_THREAD_THREAD_OBJECT_LOCATION

public static final LocationIdentity JAVA_THREAD_THREAD_OBJECT_LOCATION

JAVA_THREAD_OSTHREAD_LOCATION

public static final LocationIdentity JAVA_THREAD_OSTHREAD_LOCATION

PROTOTYPE_MARK_WORD_LOCATION

public static final LocationIdentity PROTOTYPE_MARK_WORD_LOCATION

KLASS_ACCESS_FLAGS_LOCATION

public static final LocationIdentity KLASS_ACCESS_FLAGS_LOCATION

KLASS_LAYOUT_HELPER_LOCATION

public static final LocationIdentity KLASS_LAYOUT_HELPER_LOCATION

ARRAY_KLASS_COMPONENT_MIRROR

public static final LocationIdentity ARRAY_KLASS_COMPONENT_MIRROR

KLASS_SUPER_KLASS_LOCATION

public static final LocationIdentity KLASS_SUPER_KLASS_LOCATION

MARK_WORD_LOCATION

public static final LocationIdentity MARK_WORD_LOCATION

HUB_WRITE_LOCATION

public static final LocationIdentity HUB_WRITE_LOCATION

HUB_LOCATION

public static final LocationIdentity HUB_LOCATION

KLASS_SUPER_CHECK_OFFSET_LOCATION

public static final LocationIdentity KLASS_SUPER_CHECK_OFFSET_LOCATION

SECONDARY_SUPER_CACHE_LOCATION

public static final LocationIdentity SECONDARY_SUPER_CACHE_LOCATION

SECONDARY_SUPERS_LOCATION

public static final LocationIdentity SECONDARY_SUPERS_LOCATION

DISPLACED_MARK_WORD_LOCATION

public static final LocationIdentity DISPLACED_MARK_WORD_LOCATION

CLASS_STATE_LOCATION

public static final LocationIdentity CLASS_STATE_LOCATION

INSTANCE_KLASS_CONSTANTS

public static final LocationIdentity INSTANCE_KLASS_CONSTANTS

KLASS_MODIFIER_FLAGS_LOCATION

public static final LocationIdentity KLASS_MODIFIER_FLAGS_LOCATION

CLASS_KLASS_LOCATION

public static final LocationIdentity CLASS_KLASS_LOCATION

CLASS_ARRAY_KLASS_LOCATION

public static final LocationIdentity CLASS_ARRAY_KLASS_LOCATION

CLASS_MIRROR_LOCATION

public static final LocationIdentity CLASS_MIRROR_LOCATION

HEAP_TOP_LOCATION

public static final LocationIdentity HEAP_TOP_LOCATION

HEAP_END_LOCATION

public static final LocationIdentity HEAP_END_LOCATION

TLAB_SIZE_LOCATION

public static final LocationIdentity TLAB_SIZE_LOCATION

TLAB_THREAD_ALLOCATED_BYTES_LOCATION

public static final LocationIdentity TLAB_THREAD_ALLOCATED_BYTES_LOCATION

TLAB_REFILL_WASTE_LIMIT_LOCATION

public static final LocationIdentity TLAB_REFILL_WASTE_LIMIT_LOCATION

TLAB_NOF_REFILLS_LOCATION

public static final LocationIdentity TLAB_NOF_REFILLS_LOCATION

TLAB_FAST_REFILL_WASTE_LOCATION

public static final LocationIdentity TLAB_FAST_REFILL_WASTE_LOCATION

TLAB_SLOW_ALLOCATIONS_LOCATION

public static final LocationIdentity TLAB_SLOW_ALLOCATIONS_LOCATION

OBJ_ARRAY_KLASS_ELEMENT_KLASS_LOCATION

public static final LocationIdentity OBJ_ARRAY_KLASS_ELEMENT_KLASS_LOCATION

PRIMARY_SUPERS_LOCATION

public static final LocationIdentity PRIMARY_SUPERS_LOCATION

METASPACE_ARRAY_LENGTH_LOCATION

public static final LocationIdentity METASPACE_ARRAY_LENGTH_LOCATION

SECONDARY_SUPERS_ELEMENT_LOCATION

public static final LocationIdentity SECONDARY_SUPERS_ELEMENT_LOCATION

Constructor Detail

HotSpotReplacementsUtil

public HotSpotReplacementsUtil()

Method Detail

config

public static HotSpotVMConfig config()

useTLAB

public static boolean useTLAB()

verifyOops

public static boolean verifyOops()

threadExceptionOopOffset

public static int threadExceptionOopOffset()

See Also:

HotSpotVMConfig.threadExceptionOopOffset

threadExceptionPcOffset

public static int threadExceptionPcOffset()

threadLastJavaPcOffset

public static int threadLastJavaPcOffset()

threadLastJavaFpOffset

public static int threadLastJavaFpOffset()

threadTlabTopOffset

public static int threadTlabTopOffset()

threadTlabEndOffset

private static int threadTlabEndOffset()

threadTlabStartOffset

private static int threadTlabStartOffset()

threadPendingExceptionOffset

private static int threadPendingExceptionOffset()

See Also:

HotSpotVMConfig.pendingExceptionOffset

threadPendingDeoptimizationOffset

private static int threadPendingDeoptimizationOffset()

See Also:

HotSpotVMConfig.pendingDeoptimizationOffset

objectResultOffset

private static int objectResultOffset()

readExceptionOop

public static Object readExceptionOop(Word thread)

See Also:

HotSpotVMConfig.threadExceptionOopOffset

readExceptionPc

public static Word readExceptionPc(Word thread)

writeExceptionOop

public static void writeExceptionOop(Word thread,
                                     Object value)

See Also:

HotSpotVMConfig.threadExceptionOopOffset

writeExceptionPc

public static void writeExceptionPc(Word thread,
                                    Word value)

writeLastJavaPc

public static void writeLastJavaPc(Word thread,
                                   Word value)

writeLastJavaFp

public static void writeLastJavaFp(Word thread,
                                   Word value)

readTlabTop

public static Word readTlabTop(Word thread)

readTlabEnd

public static Word readTlabEnd(Word thread)

readTlabStart

public static Word readTlabStart(Word thread)

writeTlabTop

public static void writeTlabTop(Word thread,
                                Word top)

initializeTlab

public static void initializeTlab(Word thread,
                                  Word start,
                                  Word end)

clearPendingException

public static boolean clearPendingException(Word thread)

Clears the pending exception for the given thread.

Returns:

true if there was a pending exception

readPendingDeoptimization

public static int readPendingDeoptimization(Word thread)

Reads the pending deoptimization value for the given thread.

Returns:

true if there was a pending deoptimization

writePendingDeoptimization

public static void writePendingDeoptimization(Word thread,
                                              int value)

Writes the pending deoptimization value for the given thread.

getAndClearObjectResult

public static Object getAndClearObjectResult(Word thread)

Gets and clears the object result from a runtime call stored in a thread local.

Returns:

the object that was in the thread local

threadObjectOffset

public static int threadObjectOffset()

osThreadOffset

public static int osThreadOffset()

osThreadInterruptedOffset

public static int osThreadInterruptedOffset()

getWordKind

public static Kind getWordKind()

wordSize

public static int wordSize()

pageSize

public static int pageSize()

heapWordSize

public static int heapWordSize()

prototypeMarkWordOffset

public static int prototypeMarkWordOffset()

arrayPrototypeMarkWord

public static long arrayPrototypeMarkWord()

klassAccessFlagsOffset

public static int klassAccessFlagsOffset()

jvmAccWrittenFlags

public static int jvmAccWrittenFlags()

klassLayoutHelperOffset

public static int klassLayoutHelperOffset()

readLayoutHelper

public static int readLayoutHelper(KlassPointer hub)

loadKlassLayoutHelperIntrinsic

public static int loadKlassLayoutHelperIntrinsic(KlassPointer object,
                                                 GuardingNode anchor)

loadKlassLayoutHelperIntrinsic

public static int loadKlassLayoutHelperIntrinsic(KlassPointer object)

klassIsArray

public static boolean klassIsArray(KlassPointer klass)

Checks if class klass is an array. See: Klass::layout_helper_is_array

Parameters:

klass - the class to be checked

Returns:

true if klass is an array, false otherwise

arrayKlassComponentMirrorOffset

public static int arrayKlassComponentMirrorOffset()

klassSuperKlassOffset

public static int klassSuperKlassOffset()

markOffset

public static int markOffset()

hubOffset

private static int hubOffset()

initializeObjectHeader

public static void initializeObjectHeader(Word memory,
                                          Word markWord,
                                          KlassPointer hub)

unlockedMask

public static int unlockedMask()

biasedLockMaskInPlace

public static int biasedLockMaskInPlace()

Mask for a biasable, locked or unlocked mark word.

 +----------------------------------+-+-+
 |                                 1|1|1|
 +----------------------------------+-+-+
 

epochMaskInPlace

public static int epochMaskInPlace()

biasedLockPattern

public static int biasedLockPattern()

Pattern for a biasable, unlocked mark word.

 +----------------------------------+-+-+
 |                                 1|0|1|
 +----------------------------------+-+-+
 

ageMaskInPlace

public static int ageMaskInPlace()

metaspaceArrayLengthOffset

public static int metaspaceArrayLengthOffset()

metaspaceArrayBaseOffset

public static int metaspaceArrayBaseOffset()

arrayLengthOffset

public static int arrayLengthOffset()

arrayBaseOffset

public static int arrayBaseOffset(Kind elementKind)

arrayIndexScale

public static int arrayIndexScale(Kind elementKind)

instanceHeaderSize

public static int instanceHeaderSize()

dirtyCardValue

public static byte dirtyCardValue()

g1YoungCardValue

public static byte g1YoungCardValue()

cardTableShift

public static int cardTableShift()

cardTableStart

public static long cardTableStart()

g1CardQueueIndexOffset

public static int g1CardQueueIndexOffset()

g1CardQueueBufferOffset

public static int g1CardQueueBufferOffset()

logOfHeapRegionGrainBytes

public static int logOfHeapRegionGrainBytes()

g1SATBQueueMarkingOffset

public static int g1SATBQueueMarkingOffset()

g1SATBQueueIndexOffset

public static int g1SATBQueueIndexOffset()

g1SATBQueueBufferOffset

public static int g1SATBQueueBufferOffset()

superCheckOffsetOffset

public static int superCheckOffsetOffset()

secondarySuperCacheOffset

public static int secondarySuperCacheOffset()

secondarySupersOffset

public static int secondarySupersOffset()

lockDisplacedMarkOffset

public static int lockDisplacedMarkOffset()

useBiasedLocking

public static boolean useBiasedLocking()

useDeferredInitBarriers

public static boolean useDeferredInitBarriers()

useG1GC

public static boolean useG1GC()

useCompressedOops

public static boolean useCompressedOops()

uninitializedIdentityHashCodeValue

static int uninitializedIdentityHashCodeValue()

identityHashCodeShift

static int identityHashCodeShift()

loadHub

public static KlassPointer loadHub(Object object)

Loads the hub of an object (without null checking it first).

verifyOop

public static Object verifyOop(Object object)

verifyOopStub

private static Object verifyOopStub(ForeignCallDescriptor descriptor,
                                    Object object)

loadWordFromObject

public static Word loadWordFromObject(Object object,
                                      int offset)

loadWordFromObject

public static Word loadWordFromObject(Object object,
                                      int offset,
                                      LocationIdentity identity)

loadKlassFromObject

public static KlassPointer loadKlassFromObject(Object object,
                                               int offset,
                                               LocationIdentity identity)

registerAsWord

public static Word registerAsWord(Register register)

Reads the value of a given register.

Parameters:

register - a register which must not be available to the register allocator

Returns:

the value of register as a word

registerAsWord

public static Word registerAsWord(Register register,
                                  boolean directUse,
                                  boolean incoming)

writeRegisterAsWord

public static void writeRegisterAsWord(Register register,
                                       Word value)

loadWordFromObjectIntrinsic

private static Word loadWordFromObjectIntrinsic(Object object,
                                                long offset,
                                                Kind wordKind,
                                                LocationIdentity locationIdentity)

loadKlassFromObjectIntrinsic

private static KlassPointer loadKlassFromObjectIntrinsic(Object object,
                                                         long offset,
                                                         Kind wordKind,
                                                         LocationIdentity locationIdentity)

loadHubIntrinsic

public static KlassPointer loadHubIntrinsic(Object object,
                                            GuardingNode anchor)

loadHubIntrinsic

public static KlassPointer loadHubIntrinsic(Object object)

log2WordSize

public static int log2WordSize()

instanceKlassInitStateOffset

public static int instanceKlassInitStateOffset()

instanceKlassStateFullyInitialized

public static int instanceKlassStateFullyInitialized()

instanceKlassConstantsOffset

public static int instanceKlassConstantsOffset()

isInstanceKlassFullyInitialized

public static boolean isInstanceKlassFullyInitialized(KlassPointer hub)

Parameters:

hub - the hub of an InstanceKlass

Returns:

true is the InstanceKlass represented by hub is fully initialized

readInstanceKlassState

private static byte readInstanceKlassState(KlassPointer hub)

klassModifierFlagsOffset

public static int klassModifierFlagsOffset()

klassOffset

public static int klassOffset()

arrayKlassOffset

public static int arrayKlassOffset()

classMirrorOffset

public static int classMirrorOffset()

constantPoolSize

public static int constantPoolSize()

constantPoolHolderOffset

public static int constantPoolHolderOffset()

constantPoolLengthOffset

public static int constantPoolLengthOffset()

heapTopAddress

public static long heapTopAddress()

heapEndAddress

public static long heapEndAddress()

tlabIntArrayMarkWord

public static long tlabIntArrayMarkWord()

inlineContiguousAllocationSupported

public static boolean inlineContiguousAllocationSupported()

tlabAlignmentReserveInHeapWords

public static int tlabAlignmentReserveInHeapWords()

threadTlabSizeOffset

public static int threadTlabSizeOffset()

threadAllocatedBytesOffset

public static int threadAllocatedBytesOffset()

tlabRefillWasteLimitOffset

public static int tlabRefillWasteLimitOffset()

tlabNumberOfRefillsOffset

public static int tlabNumberOfRefillsOffset()

tlabFastRefillWasteOffset

public static int tlabFastRefillWasteOffset()

tlabSlowAllocationsOffset

public static int tlabSlowAllocationsOffset()

tlabRefillWasteIncrement

public static int tlabRefillWasteIncrement()

tlabStats

public static boolean tlabStats()

layoutHelperHeaderSizeShift

public static int layoutHelperHeaderSizeShift()

layoutHelperHeaderSizeMask

public static int layoutHelperHeaderSizeMask()

layoutHelperLog2ElementSizeShift

public static int layoutHelperLog2ElementSizeShift()

layoutHelperLog2ElementSizeMask

public static int layoutHelperLog2ElementSizeMask()

layoutHelperElementTypeShift

public static int layoutHelperElementTypeShift()

layoutHelperElementTypeMask

public static int layoutHelperElementTypeMask()

layoutHelperElementTypePrimitiveInPlace

public static int layoutHelperElementTypePrimitiveInPlace()

computeHashCode

static int computeHashCode(Object x)

identityHashCode

public static int identityHashCode(ForeignCallDescriptor descriptor,
                                   Object object)

isImmutableCode

public static boolean isImmutableCode()

generatePIC

public static boolean generatePIC()

verifiedEntryPointOffset

public static int verifiedEntryPointOffset()

gcTotalCollectionsAddress

public static long gcTotalCollectionsAddress()

referentOffset

public static long referentOffset()

arrayClassElementOffset

public static int arrayClassElementOffset()