org.graalvm.compiler.hotspot.replacements

Class HotSpotInvocationPluginHelper

java.lang.Object

org.graalvm.compiler.replacements.InvocationPluginHelper

org.graalvm.compiler.hotspot.replacements.HotSpotInvocationPluginHelper

All Implemented Interfaces:

AutoCloseable, DebugCloseable

public class HotSpotInvocationPluginHelper
extends InvocationPluginHelper

A helper class for HotSpot specific invocation plugins. In particular it adds helpers for correctly performing reads of HotSpot specific fields.

Field Summary

Fields inherited from class org.graalvm.compiler.replacements.InvocationPluginHelper

b

Fields inherited from interface org.graalvm.compiler.debug.DebugCloseable

VOID_CLOSEABLE

Constructor Summary

Constructors

Constructor and Description
HotSpotInvocationPluginHelper(GraphBuilderContext b, ResolvedJavaMethod targetMethod, GraalHotSpotVMConfig config)

Method Summary

Modifier and Type	Method and Description
PiNode	emitNullReturnGuard(ValueNode klass, ValueNode returnValue, double probability)
ValueNode	klassLayoutHelper(ValueNode klass) Read Klass:_layout_helper.
ValueNode	loadArrayKlass(ValueNode componentType) Read the injected field java.lang.Class.array_klass.
ValueNode	readArrayKlassComponentMirror(ValueNode klass, GuardingNode guard) Read ArrayKlass::_component_mirror.
ValueNode	readCurrentThreadObject()
ValueNode	readCurrentThreadObject(CurrentJavaThreadNode thread)
ValueNode	readKlassAccessFlags(ValueNode klass) Read Klass::_access_flags.
ValueNode	readKlassFromClass(ValueNode clazz)
ValueNode	readKlassModifierFlags(ValueNode klass) Read Klass::_modifier_flags.
ValueNode	readKlassSuperKlass(PiNode klassNonNull) Read Klass::_super.
ValueNode	readOsThread(CurrentJavaThreadNode thread) Reads JavaThread::_osthread.
ValueNode	readOsThreadInterrupted(ValueNode osThread) Reads OSThread::_interrupted.

Methods inherited from class org.graalvm.compiler.replacements.InvocationPluginHelper

add, addReturnValue, arrayElementPointer, arraylength, arrayStart, asWord, asWord, close, createCompare, doFallbackIf, doFallbackIf, doFallbackIfNot, emitFinalReturn, emitReturnIf, emitReturnIf, emitReturnIfNot, getField, getFieldOffset, getWordKind, intrinsicRangeCheck, length, loadField, makeOffsetAddress, piCast, scale, shl, shr, sub, ushr, xor

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.graalvm.compiler.debug.DebugCloseable

getDebug

Constructor Detail

HotSpotInvocationPluginHelper

public HotSpotInvocationPluginHelper(GraphBuilderContext b,
                                     ResolvedJavaMethod targetMethod,
                                     GraalHotSpotVMConfig config)

Method Detail

readKlassFromClass

public ValueNode readKlassFromClass(ValueNode clazz)

readKlassModifierFlags

public ValueNode readKlassModifierFlags(ValueNode klass)

Read Klass::_modifier_flags.

readKlassAccessFlags

public ValueNode readKlassAccessFlags(ValueNode klass)

Read Klass::_access_flags.

klassLayoutHelper

public ValueNode klassLayoutHelper(ValueNode klass)

Read Klass:_layout_helper.

readArrayKlassComponentMirror

public ValueNode readArrayKlassComponentMirror(ValueNode klass,
                                               GuardingNode guard)

Read ArrayKlass::_component_mirror.

readKlassSuperKlass

public ValueNode readKlassSuperKlass(PiNode klassNonNull)

Read Klass::_super.

emitNullReturnGuard

public PiNode emitNullReturnGuard(ValueNode klass,
                                  ValueNode returnValue,
                                  double probability)

loadArrayKlass

public ValueNode loadArrayKlass(ValueNode componentType)

Read the injected field java.lang.Class.array_klass.

readCurrentThreadObject

public ValueNode readCurrentThreadObject()

readCurrentThreadObject

public ValueNode readCurrentThreadObject(CurrentJavaThreadNode thread)

readOsThread

public ValueNode readOsThread(CurrentJavaThreadNode thread)

Reads JavaThread::_osthread.

readOsThreadInterrupted

public ValueNode readOsThreadInterrupted(ValueNode osThread)

Reads OSThread::_interrupted.