/*
* Copyright (c) 2013, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package org.graalvm.compiler.truffle;
import static org.graalvm.compiler.serviceprovider.JDK9Method.Java8OrEarlier;
import static org.graalvm.compiler.truffle.TruffleCompilerOptions.TruffleCompilationExceptionsAreThrown;
import static org.graalvm.compiler.truffle.TruffleCompilerOptions.TruffleCompilationRepeats;
import static org.graalvm.compiler.truffle.TruffleCompilerOptions.TruffleCompileOnly;
import static org.graalvm.compiler.truffle.TruffleCompilerOptions.TruffleCompilerThreads;
import static org.graalvm.compiler.truffle.TruffleCompilerOptions.TruffleInstrumentBoundaries;
import static org.graalvm.compiler.truffle.TruffleCompilerOptions.TruffleInstrumentBranches;
import static org.graalvm.compiler.truffle.TruffleCompilerOptions.TruffleProfilingEnabled;
import static org.graalvm.compiler.truffle.TruffleCompilerOptions.TruffleUseFrameWithoutBoxing;
import static org.graalvm.compiler.truffle.TruffleCompilerOptions.getValue;
import static org.graalvm.compiler.truffle.TruffleCompilerOptions.overrideOptions;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.ServiceConfigurationError;
import java.util.ServiceLoader;
import java.util.WeakHashMap;
import java.util.concurrent.CancellationException;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.function.Supplier;
import org.graalvm.compiler.api.runtime.GraalRuntime;
import org.graalvm.compiler.code.CompilationResult;
import org.graalvm.compiler.core.CompilerThreadFactory;
import org.graalvm.compiler.core.common.CompilationIdentifier;
import org.graalvm.compiler.core.target.Backend;
import org.graalvm.compiler.debug.Debug;
import org.graalvm.compiler.debug.Debug.Scope;
import org.graalvm.compiler.debug.GraalError;
import org.graalvm.compiler.debug.TTY;
import org.graalvm.compiler.nodes.StructuredGraph;
import org.graalvm.compiler.options.OptionValues;
import org.graalvm.compiler.serviceprovider.GraalServices;
import org.graalvm.compiler.truffle.TruffleCompilerOptions.TruffleOptionsOverrideScope;
import org.graalvm.compiler.truffle.debug.CompilationStatisticsListener;
import org.graalvm.compiler.truffle.debug.PrintCallTargetProfiling;
import org.graalvm.compiler.truffle.debug.TraceCompilationASTListener;
import org.graalvm.compiler.truffle.debug.TraceCompilationCallTreeListener;
import org.graalvm.compiler.truffle.debug.TraceCompilationFailureListener;
import org.graalvm.compiler.truffle.debug.TraceCompilationListener;
import org.graalvm.compiler.truffle.debug.TraceCompilationPolymorphismListener;
import org.graalvm.compiler.truffle.debug.TraceInliningListener;
import org.graalvm.compiler.truffle.debug.TraceSplittingListener;
import org.graalvm.compiler.truffle.phases.InstrumentPhase;
import org.graalvm.util.CollectionsUtil;
import com.oracle.truffle.api.Assumption;
import com.oracle.truffle.api.CallTarget;
import com.oracle.truffle.api.CompilerAsserts;
import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
import com.oracle.truffle.api.CompilerOptions;
import com.oracle.truffle.api.RootCallTarget;
import com.oracle.truffle.api.Truffle;
import com.oracle.truffle.api.TruffleRuntime;
import com.oracle.truffle.api.frame.Frame;
import com.oracle.truffle.api.frame.FrameDescriptor;
import com.oracle.truffle.api.frame.FrameInstance;
import com.oracle.truffle.api.frame.FrameInstanceVisitor;
import com.oracle.truffle.api.frame.MaterializedFrame;
import com.oracle.truffle.api.frame.VirtualFrame;
import com.oracle.truffle.api.impl.TVMCI;
import com.oracle.truffle.api.nodes.DirectCallNode;
import com.oracle.truffle.api.nodes.IndirectCallNode;
import com.oracle.truffle.api.nodes.LoopNode;
import com.oracle.truffle.api.nodes.Node;
import com.oracle.truffle.api.nodes.RepeatingNode;
import com.oracle.truffle.api.nodes.RootNode;
import com.oracle.truffle.api.object.LayoutFactory;
import jdk.vm.ci.code.BailoutException;
import jdk.vm.ci.code.stack.InspectedFrame;
import jdk.vm.ci.code.stack.InspectedFrameVisitor;
import jdk.vm.ci.code.stack.StackIntrospection;
import jdk.vm.ci.meta.MetaAccessProvider;
import jdk.vm.ci.meta.ResolvedJavaMethod;
import jdk.vm.ci.meta.SpeculationLog;
public abstract class GraalTruffleRuntime implements TruffleRuntime {
private final Map<RootCallTarget, Void> callTargets = Collections.synchronizedMap(new WeakHashMap<RootCallTarget, Void>());
protected abstract static class BackgroundCompileQueue implements CompilerThreadFactory.DebugConfigAccess {
private final ExecutorService compileQueue;
protected BackgroundCompileQueue() {
CompilerThreadFactory factory = new CompilerThreadFactory("TruffleCompilerThread", this);
int selectedProcessors = TruffleCompilerOptions.getValue(TruffleCompilerThreads);
if (selectedProcessors == 0) {
// No manual selection made, check how many processors are available.
int availableProcessors = Runtime.getRuntime().availableProcessors();
if (availableProcessors >= 4) {
selectedProcessors = 2;
}
}
selectedProcessors = Math.max(1, selectedProcessors);
compileQueue = Executors.newFixedThreadPool(selectedProcessors, factory);
}
}
private Object cachedIncludesExcludes;
private ArrayList<String> includes;
private ArrayList<String> excludes;
private final List<GraalTruffleCompilationListener> compilationListeners = new ArrayList<>();
private final GraalTruffleCompilationListener compilationNotify = new DispatchTruffleCompilationListener();
protected TruffleCompiler truffleCompiler;
protected LoopNodeFactory loopNodeFactory;
protected CallMethods callMethods;
private final Supplier<GraalRuntime> graalRuntime;
private final GraalTVMCI tvmci = new GraalTVMCI();
private volatile GraalTestTVMCI testTvmci;
/**
* The instrumentation object is used by the Truffle instrumentation to count executions. The
* value is lazily initialized the first time it is requested because it depends on the Truffle
* options, and tests that need the instrumentation table need to override these options after
* the TruffleRuntime object is created.
*/
private volatile InstrumentPhase.Instrumentation instrumentation;
/**
* Utility method that casts the singleton {@link TruffleRuntime}.
*/
public static GraalTruffleRuntime getRuntime() {
return (GraalTruffleRuntime) Truffle.getRuntime();
}
/**
* Gets the initial values for this Graal-based Truffle runtime.
*/
public abstract OptionValues getInitialOptions();
public GraalTruffleRuntime(Supplier<GraalRuntime> graalRuntime) {
this.graalRuntime = graalRuntime;
}
protected GraalTVMCI getTvmci() {
return tvmci;
}
protected TVMCI.Test<?> getTestTvmci() {
if (testTvmci == null) {
synchronized (this) {
if (testTvmci == null) {
testTvmci = new GraalTestTVMCI(this);
}
}
}
return testTvmci;
}
public abstract TruffleCompiler getTruffleCompiler();
public <T> T getRequiredGraalCapability(Class<T> clazz) {
T ret = graalRuntime.get().getCapability(clazz);
if (ret == null) {
throw new GraalError("The VM does not expose the required Graal capability %s.", clazz.getName());
}
return ret;
}
private static <T extends PrioritizedServiceProvider> T loadPrioritizedServiceProvider(Class<T> clazz) {
Iterable<T> providers = GraalServices.load(clazz);
T bestFactory = null;
for (T factory : providers) {
if (bestFactory == null) {
bestFactory = factory;
} else if (factory.getPriority() > bestFactory.getPriority()) {
bestFactory = factory;
}
}
if (bestFactory == null) {
throw new IllegalStateException("Unable to load a factory for " + clazz.getName());
}
return bestFactory;
}
public void log(String message) {
TTY.out().println(message);
}
protected void installDefaultListeners() {
TraceCompilationFailureListener.install(this);
TraceCompilationListener.install(this);
TraceCompilationPolymorphismListener.install(this);
TraceCompilationCallTreeListener.install(this);
TraceInliningListener.install(this);
TraceSplittingListener.install(this);
PrintCallTargetProfiling.install(this);
CompilationStatisticsListener.install(this);
TraceCompilationASTListener.install(this);
installShutdownHooks();
compilationNotify.notifyStartup(this);
}
protected void installShutdownHooks() {
Runtime.getRuntime().addShutdownHook(new Thread(this::shutdown));
}
protected void lookupCallMethods(MetaAccessProvider metaAccess) {
callMethods = CallMethods.lookup(metaAccess);
}
/** Accessor for non-public state in {@link FrameDescriptor}. */
public void markFrameMaterializeCalled(FrameDescriptor descriptor) {
try {
getTvmci().markFrameMaterializeCalled(descriptor);
} catch (Throwable ex) {
/*
* Backward compatibility: do nothing on old Truffle version where the field in
* FrameDescriptor does not exist.
*/
}
}
/** Accessor for non-public state in {@link FrameDescriptor}. */
public boolean getFrameMaterializeCalled(FrameDescriptor descriptor) {
try {
return getTvmci().getFrameMaterializeCalled(descriptor);
} catch (Throwable ex) {
/*
* Backward compatibility: be conservative on old Truffle version where the field in
* FrameDescriptor does not exist.
*/
return true;
}
}
@Override
public LoopNode createLoopNode(RepeatingNode repeatingNode) {
if (!(repeatingNode instanceof Node)) {
throw new IllegalArgumentException("Repeating node must be of type Node.");
}
return getLoopNodeFactory().create(repeatingNode);
}
protected LoopNodeFactory getLoopNodeFactory() {
if (loopNodeFactory == null) {
loopNodeFactory = loadPrioritizedServiceProvider(LoopNodeFactory.class);
}
return loopNodeFactory;
}
@Override
public DirectCallNode createDirectCallNode(CallTarget target) {
if (target instanceof OptimizedCallTarget) {
return new OptimizedDirectCallNode(this, (OptimizedCallTarget) target);
} else {
throw new IllegalStateException(String.format("Unexpected call target class %s!", target.getClass()));
}
}
@Override
public IndirectCallNode createIndirectCallNode() {
return new OptimizedIndirectCallNode();
}
@Override
public VirtualFrame createVirtualFrame(Object[] arguments, FrameDescriptor frameDescriptor) {
return OptimizedCallTarget.createFrame(frameDescriptor, arguments);
}
@Override
public MaterializedFrame createMaterializedFrame(Object[] arguments) {
return createMaterializedFrame(arguments, new FrameDescriptor());
}
@Override
public MaterializedFrame createMaterializedFrame(Object[] arguments, FrameDescriptor frameDescriptor) {
if (LazyFrameBoxingQuery.useFrameWithoutBoxing) {
return new FrameWithoutBoxing(frameDescriptor, arguments);
} else {
return new FrameWithBoxing(frameDescriptor, arguments);
}
}
@Override
public CompilerOptions createCompilerOptions() {
return new GraalCompilerOptions();
}
@Override
public Assumption createAssumption() {
return createAssumption(null);
}
@Override
public Assumption createAssumption(String name) {
return new OptimizedAssumption(name);
}
public GraalTruffleCompilationListener getCompilationNotify() {
return compilationNotify;
}
@TruffleBoundary
@Override
public <T> T iterateFrames(final FrameInstanceVisitor<T> visitor) {
return iterateImpl(visitor, 0);
}
private static final class FrameVisitor<T> implements InspectedFrameVisitor<T> {
private final FrameInstanceVisitor<T> visitor;
private final CallMethods methods;
private int skipFrames;
private InspectedFrame callNodeFrame;
FrameVisitor(FrameInstanceVisitor<T> visitor, CallMethods methods, int skip) {
this.visitor = visitor;
this.methods = methods;
this.skipFrames = skip;
}
@Override
public T visitFrame(InspectedFrame frame) {
if (frame.isMethod(methods.callOSRMethod)) {
// we ignore OSR frames.
skipFrames++;
return null;
} else if (frame.isMethod(methods.callTargetMethod)) {
try {
if (skipFrames == 0) {
return visitor.visitFrame(new GraalFrameInstance(frame, callNodeFrame));
} else {
skipFrames--;
}
} finally {
callNodeFrame = null;
}
} else if (frame.isMethod(methods.callNodeMethod)) {
callNodeFrame = frame;
}
return null;
}
}
private <T> T iterateImpl(FrameInstanceVisitor<T> visitor, final int skip) {
CallMethods methods = getCallMethods();
FrameVisitor<T> jvmciVisitor = new FrameVisitor<>(visitor, methods, skip);
return getStackIntrospection().iterateFrames(methods.anyFrameMethod, methods.anyFrameMethod, 0, jvmciVisitor);
}
protected abstract StackIntrospection getStackIntrospection();
@Override
public FrameInstance getCallerFrame() {
return iterateImpl(frame -> frame, 1);
}
@TruffleBoundary
@Override
public FrameInstance getCurrentFrame() {
return iterateImpl(frame -> frame, 0);
}
@Override
public <T> T getCapability(Class<T> capability) {
if (capability == TVMCI.class) {
return capability.cast(tvmci);
} else if (capability == LayoutFactory.class) {
return capability.cast(loadObjectLayoutFactory());
} else if (capability == TVMCI.Test.class) {
return capability.cast(getTestTvmci());
}
try {
Iterator<T> services = GraalServices.load(capability).iterator();
if (services.hasNext()) {
return services.next();
}
return null;
} catch (ServiceConfigurationError e) {
// Happens on JDK9 when a service type has not been exported to Graal
// or Graal's module descriptor does not declare a use of capability.
return null;
}
}
@SuppressFBWarnings(value = "", justification = "Cache that does not need to use equals to compare.")
final boolean acceptForCompilation(RootNode rootNode) {
String includesExcludes = getValue(TruffleCompileOnly);
if (includesExcludes != null) {
if (cachedIncludesExcludes != includesExcludes) {
parseCompileOnly();
this.cachedIncludesExcludes = includesExcludes;
}
String name = rootNode.getName();
boolean included = includes.isEmpty();
if (name != null) {
for (int i = 0; !included && i < includes.size(); i++) {
if (name.contains(includes.get(i))) {
included = true;
}
}
}
if (!included) {
return false;
}
if (name != null) {
for (String exclude : excludes) {
if (name.contains(exclude)) {
return false;
}
}
}
}
return true;
}
protected void parseCompileOnly() {
ArrayList<String> includesList = new ArrayList<>();
ArrayList<String> excludesList = new ArrayList<>();
String[] items = getValue(TruffleCompileOnly).split(",");
for (String item : items) {
if (item.startsWith("~")) {
excludesList.add(item.substring(1));
} else {
includesList.add(item);
}
}
this.includes = includesList;
this.excludes = excludesList;
}
public abstract SpeculationLog createSpeculationLog();
@Override
public RootCallTarget createCallTarget(RootNode rootNode) {
return createClonedCallTarget(null, rootNode);
}
@SuppressWarnings("deprecation")
public RootCallTarget createClonedCallTarget(OptimizedCallTarget source, RootNode rootNode) {
CompilerAsserts.neverPartOfCompilation();
OptimizedCallTarget target = createOptimizedCallTarget(source, rootNode);
rootNode.setCallTarget(target);
tvmci.onLoad(target.getRootNode());
callTargets.put(target, null);
return target;
}
protected abstract OptimizedCallTarget createOptimizedCallTarget(OptimizedCallTarget source, RootNode rootNode);
@SuppressWarnings("deprecation")
@Override
public Collection<RootCallTarget> getCallTargets() {
return Collections.unmodifiableSet(callTargets.keySet());
}
public void addCompilationListener(GraalTruffleCompilationListener listener) {
compilationListeners.add(listener);
}
public void removeCompilationListener(GraalTruffleCompilationListener listener) {
compilationListeners.remove(listener);
}
private void shutdown() {
getCompilationNotify().notifyShutdown(this);
OptionValues options = TruffleCompilerOptions.getOptions();
if (getValue(TruffleInstrumentBranches) || getValue(TruffleInstrumentBoundaries)) {
instrumentation.dumpAccessTable(options);
}
}
protected void doCompile(OptimizedCallTarget optimizedCallTarget, CancellableCompileTask task) {
int repeats = TruffleCompilerOptions.getValue(TruffleCompilationRepeats);
if (repeats <= 1) {
/* Normal compilation. */
doCompile0(optimizedCallTarget, task);
} else {
/* Repeated compilation for compilation time benchmarking. */
for (int i = 0; i < repeats; i++) {
doCompile0(optimizedCallTarget, task);
}
System.exit(0);
}
}
@SuppressWarnings("try")
private void doCompile0(OptimizedCallTarget optimizedCallTarget, CancellableCompileTask task) {
try (Scope s = Debug.scope("Truffle", new TruffleDebugJavaMethod(optimizedCallTarget))) {
compileMethod(optimizedCallTarget, task);
} catch (Throwable e) {
optimizedCallTarget.notifyCompilationFailed(e);
} finally {
optimizedCallTarget.resetCompilationTask();
}
}
protected void compileMethod(OptimizedCallTarget optimizedCallTarget, CancellableCompileTask task) {
getTruffleCompiler().compileMethod(optimizedCallTarget, this, task);
}
/**
* @param optimizedCallTarget
* @param callRootMethod
* @param backend
*/
public CompilationIdentifier getCompilationIdentifier(OptimizedCallTarget optimizedCallTarget, ResolvedJavaMethod callRootMethod, Backend backend) {
return backend.getCompilationIdentifier(callRootMethod);
}
protected abstract BackgroundCompileQueue getCompileQueue();
@SuppressWarnings("try")
public CancellableCompileTask submitForCompilation(OptimizedCallTarget optimizedCallTarget) {
BackgroundCompileQueue l = getCompileQueue();
final WeakReference<OptimizedCallTarget> weakCallTarget = new WeakReference<>(optimizedCallTarget);
final OptionValues optionOverrides = TruffleCompilerOptions.getCurrentOptionOverrides();
CancellableCompileTask cancellable = new CancellableCompileTask();
cancellable.setFuture(l.compileQueue.submit(new Runnable() {
@Override
public void run() {
OptimizedCallTarget callTarget = weakCallTarget.get();
if (callTarget != null) {
try (TruffleOptionsOverrideScope scope = optionOverrides != null ? overrideOptions(optionOverrides.getMap()) : null) {
doCompile(callTarget, cancellable);
}
}
}
}));
// task and future must never diverge from each other
assert cancellable.future != null;
return cancellable;
}
public void finishCompilation(OptimizedCallTarget optimizedCallTarget, Future<?> future, boolean mayBeAsynchronous) {
getCompilationNotify().notifyCompilationQueued(optimizedCallTarget);
if (!mayBeAsynchronous) {
try {
future.get();
} catch (ExecutionException e) {
if (TruffleCompilerOptions.getValue(TruffleCompilationExceptionsAreThrown) && !(e.getCause() instanceof BailoutException && !((BailoutException) e.getCause()).isPermanent())) {
throw new RuntimeException(e.getCause());
} else {
// silenlty ignored
}
} catch (InterruptedException e) {
/*
* Compilation cancellation happens cooperatively. A compiler thread (which is a VM
* thread) must never throw an interrupted exception.
*/
GraalError.shouldNotReachHere(e);
} catch (CancellationException e) {
/*
* Silently ignored as future might have undergone a "soft" cancel(false).
*/
}
}
}
public boolean cancelInstalledTask(OptimizedCallTarget optimizedCallTarget, Object source, CharSequence reason) {
CancellableCompileTask task = optimizedCallTarget.getCompilationTask();
if (task != null) {
Future<?> compilationFuture = task.getFuture();
if (compilationFuture != null && isCompiling(optimizedCallTarget)) {
optimizedCallTarget.resetCompilationTask();
/*
* Cancellation of an installed task: There are two dimensions here: First we set
* the cancel bit in the task, this allows the compiler to, cooperatively, stop
* compilation and throw a non permanent bailout and then we cancel the future which
* might have already stopped at that point in time.
*/
task.cancel();
// Either the task finished already, or it was cancelled.
boolean result = !task.isRunning();
if (result) {
optimizedCallTarget.resetCompilationTask();
getCompilationNotify().notifyCompilationDequeued(optimizedCallTarget, source, reason);
}
return result;
}
}
return false;
}
public void waitForCompilation(OptimizedCallTarget optimizedCallTarget, long timeout) throws ExecutionException, TimeoutException {
CancellableCompileTask task = optimizedCallTarget.getCompilationTask();
if (task != null) {
Future<?> compilationFuture = task.getFuture();
if (compilationFuture != null && isCompiling(optimizedCallTarget)) {
try {
compilationFuture.get(timeout, TimeUnit.MILLISECONDS);
} catch (InterruptedException e) {
// ignore interrupted
}
}
}
}
@Deprecated
public Collection<OptimizedCallTarget> getQueuedCallTargets() {
return Collections.emptyList();
}
public int getCompilationQueueSize() {
ExecutorService executor = getCompileQueue().compileQueue;
if (executor instanceof ThreadPoolExecutor) {
return ((ThreadPoolExecutor) executor).getQueue().size();
} else {
return 0;
}
}
public boolean isCompiling(OptimizedCallTarget optimizedCallTarget) {
CancellableCompileTask task = optimizedCallTarget.getCompilationTask();
if (task != null) {
Future<?> compilationFuture = task.getFuture();
if (compilationFuture != null) {
if (compilationFuture.isCancelled() || compilationFuture.isDone()) {
optimizedCallTarget.resetCompilationTask();
return false;
}
return true;
}
}
return false;
}
public abstract void invalidateInstalledCode(OptimizedCallTarget optimizedCallTarget, Object source, CharSequence reason);
public abstract void reinstallStubs();
public final boolean enableInfopoints() {
return platformEnableInfopoints();
}
protected abstract boolean platformEnableInfopoints();
protected CallMethods getCallMethods() {
return callMethods;
}
public InstrumentPhase.Instrumentation getInstrumentation() {
if (instrumentation == null) {
synchronized (this) {
if (instrumentation == null) {
OptionValues options = TruffleCompilerOptions.getOptions();
long[] accessTable = new long[TruffleCompilerOptions.TruffleInstrumentationTableSize.getValue(options)];
instrumentation = new InstrumentPhase.Instrumentation(accessTable);
}
}
}
return instrumentation;
}
// cached field access to make it fast in the interpreter
private Boolean profilingEnabled;
@Override
public final boolean isProfilingEnabled() {
if (profilingEnabled == null) {
profilingEnabled = TruffleCompilerOptions.getValue(TruffleProfilingEnabled);
}
return profilingEnabled;
}
private static Object loadObjectLayoutFactory() {
ServiceLoader<LayoutFactory> graalLoader = ServiceLoader.load(LayoutFactory.class, GraalTruffleRuntime.class.getClassLoader());
if (Java8OrEarlier) {
return loadBestObjectLayoutFactory(graalLoader);
} else {
/*
* The Graal module (i.e., jdk.internal.vm.compiler) is loaded by the platform class
* loader on JDK 9. Its module dependencies such as Truffle are supplied via
* --module-path which means they are loaded by the app class loader. As such, we need
* to search the app class loader path as well.
*/
ServiceLoader<LayoutFactory> appLoader = ServiceLoader.load(LayoutFactory.class, LayoutFactory.class.getClassLoader());
return loadBestObjectLayoutFactory(CollectionsUtil.concat(graalLoader, appLoader));
}
}
protected static LayoutFactory loadBestObjectLayoutFactory(Iterable<LayoutFactory> serviceLoaders) {
LayoutFactory bestLayoutFactory = null;
for (LayoutFactory currentLayoutFactory : serviceLoaders) {
if (bestLayoutFactory == null) {
bestLayoutFactory = currentLayoutFactory;
} else if (currentLayoutFactory.getPriority() >= bestLayoutFactory.getPriority()) {
assert currentLayoutFactory.getPriority() != bestLayoutFactory.getPriority();
bestLayoutFactory = currentLayoutFactory;
}
}
return bestLayoutFactory;
}
private final class DispatchTruffleCompilationListener implements GraalTruffleCompilationListener {
@Override
public void notifyCompilationQueued(OptimizedCallTarget target) {
for (GraalTruffleCompilationListener l : compilationListeners) {
l.notifyCompilationQueued(target);
}
}
@Override
public void notifyCompilationInvalidated(OptimizedCallTarget target, Object source, CharSequence reason) {
for (GraalTruffleCompilationListener l : compilationListeners) {
l.notifyCompilationInvalidated(target, source, reason);
}
}
@Override
public void notifyCompilationDequeued(OptimizedCallTarget target, Object source, CharSequence reason) {
for (GraalTruffleCompilationListener l : compilationListeners) {
l.notifyCompilationDequeued(target, source, reason);
}
}
@Override
public void notifyCompilationFailed(OptimizedCallTarget target, StructuredGraph graph, Throwable t) {
for (GraalTruffleCompilationListener l : compilationListeners) {
l.notifyCompilationFailed(target, graph, t);
}
}
@Override
public void notifyCompilationSplit(OptimizedDirectCallNode callNode) {
for (GraalTruffleCompilationListener l : compilationListeners) {
l.notifyCompilationSplit(callNode);
}
}
@Override
public void notifyCompilationGraalTierFinished(OptimizedCallTarget target, StructuredGraph graph) {
for (GraalTruffleCompilationListener l : compilationListeners) {
l.notifyCompilationGraalTierFinished(target, graph);
}
}
@Override
public void notifyCompilationDeoptimized(OptimizedCallTarget target, Frame frame) {
for (GraalTruffleCompilationListener l : compilationListeners) {
l.notifyCompilationDeoptimized(target, frame);
}
}
@Override
public void notifyCompilationSuccess(OptimizedCallTarget target, TruffleInlining inliningDecision, StructuredGraph graph, CompilationResult result) {
for (GraalTruffleCompilationListener l : compilationListeners) {
l.notifyCompilationSuccess(target, inliningDecision, graph, result);
}
}
@Override
public void notifyCompilationStarted(OptimizedCallTarget target) {
for (GraalTruffleCompilationListener l : compilationListeners) {
l.notifyCompilationStarted(target);
}
}
@Override
public void notifyCompilationTruffleTierFinished(OptimizedCallTarget target, TruffleInlining inliningDecision, StructuredGraph graph) {
for (GraalTruffleCompilationListener l : compilationListeners) {
l.notifyCompilationTruffleTierFinished(target, inliningDecision, graph);
}
}
@Override
public void notifyShutdown(GraalTruffleRuntime runtime) {
for (GraalTruffleCompilationListener l : compilationListeners) {
l.notifyShutdown(runtime);
}
}
@Override
public void notifyStartup(GraalTruffleRuntime runtime) {
for (GraalTruffleCompilationListener l : compilationListeners) {
l.notifyStartup(runtime);
}
}
}
protected static final class CallMethods {
public final ResolvedJavaMethod callNodeMethod;
public final ResolvedJavaMethod callTargetMethod;
public final ResolvedJavaMethod callOSRMethod;
public final ResolvedJavaMethod[] anyFrameMethod;
private CallMethods(MetaAccessProvider metaAccess) {
this.callNodeMethod = metaAccess.lookupJavaMethod(GraalFrameInstance.CALL_NODE_METHOD);
this.callTargetMethod = metaAccess.lookupJavaMethod(GraalFrameInstance.CALL_TARGET_METHOD);
this.callOSRMethod = metaAccess.lookupJavaMethod(GraalFrameInstance.CALL_OSR_METHOD);
this.anyFrameMethod = new ResolvedJavaMethod[]{callNodeMethod, callTargetMethod, callOSRMethod};
}
public static CallMethods lookup(MetaAccessProvider metaAccess) {
return new CallMethods(metaAccess);
}
}
public static class LazyFrameBoxingQuery {
/**
* The flag is checked from within a Truffle compilation and we need to constant fold the
* decision. In addition, we want only one of {@link FrameWithoutBoxing} and
* {@link FrameWithBoxing} seen as reachable in AOT mode, so we need to be able to constant
* fold the decision as early as possible.
*/
public static final boolean useFrameWithoutBoxing = TruffleCompilerOptions.getValue(TruffleUseFrameWithoutBoxing);
}
}