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/*
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* Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.graalvm.compiler.hotspot;
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import static jdk.vm.ci.common.InitTimer.timer;
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import static jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.runtime;
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import static jdk.vm.ci.hotspot.HotSpotJVMCIRuntimeProvider.getArrayIndexScale;
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import static org.graalvm.compiler.core.common.GraalOptions.GeneratePIC;
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import static org.graalvm.compiler.core.common.GraalOptions.HotSpotPrintInlining;
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import static org.graalvm.compiler.debug.DebugContext.DEFAULT_LOG_STREAM;
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import java.util.ArrayList;
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import java.util.EnumMap;
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import java.util.List;
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import java.util.Map;
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import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
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import org.graalvm.compiler.api.runtime.GraalRuntime;
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import org.graalvm.compiler.core.CompilationWrapper.ExceptionAction;
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import org.graalvm.compiler.core.common.CompilationIdentifier;
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import org.graalvm.compiler.core.common.GraalOptions;
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import org.graalvm.compiler.core.target.Backend;
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import org.graalvm.compiler.debug.DebugContext;
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import org.graalvm.compiler.debug.DebugContext.Description;
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import org.graalvm.compiler.debug.DebugHandlersFactory;
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import org.graalvm.compiler.debug.DiagnosticsOutputDirectory;
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import org.graalvm.compiler.debug.GlobalMetrics;
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import org.graalvm.compiler.debug.GraalError;
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import org.graalvm.compiler.debug.TTY;
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import org.graalvm.compiler.hotspot.CompilationStatistics.Options;
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import org.graalvm.compiler.hotspot.CompilerConfigurationFactory.BackendMap;
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import org.graalvm.compiler.hotspot.debug.BenchmarkCounters;
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import org.graalvm.compiler.hotspot.meta.HotSpotProviders;
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import org.graalvm.compiler.nodes.spi.StampProvider;
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import org.graalvm.compiler.options.OptionValues;
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import org.graalvm.compiler.phases.tiers.CompilerConfiguration;
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import org.graalvm.compiler.replacements.SnippetCounter;
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import org.graalvm.compiler.replacements.SnippetCounter.Group;
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import org.graalvm.compiler.runtime.RuntimeProvider;
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import org.graalvm.util.EconomicMap;
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import org.graalvm.util.Equivalence;
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import jdk.vm.ci.code.Architecture;
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import jdk.vm.ci.code.stack.StackIntrospection;
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import jdk.vm.ci.common.InitTimer;
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import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
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import jdk.vm.ci.hotspot.HotSpotVMConfigStore;
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import jdk.vm.ci.meta.JavaKind;
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import jdk.vm.ci.meta.ResolvedJavaMethod;
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import jdk.vm.ci.runtime.JVMCIBackend;
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//JaCoCo Exclude
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/**
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* Singleton class holding the instance of the {@link GraalRuntime}.
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*/
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public final class HotSpotGraalRuntime implements HotSpotGraalRuntimeProvider {
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private static boolean checkArrayIndexScaleInvariants() {
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assert getArrayIndexScale(JavaKind.Byte) == 1;
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assert getArrayIndexScale(JavaKind.Boolean) == 1;
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assert getArrayIndexScale(JavaKind.Char) == 2;
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assert getArrayIndexScale(JavaKind.Short) == 2;
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assert getArrayIndexScale(JavaKind.Int) == 4;
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assert getArrayIndexScale(JavaKind.Long) == 8;
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assert getArrayIndexScale(JavaKind.Float) == 4;
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assert getArrayIndexScale(JavaKind.Double) == 8;
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return true;
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}
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private final HotSpotBackend hostBackend;
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private final GlobalMetrics metricValues = new GlobalMetrics();
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private final List<SnippetCounter.Group> snippetCounterGroups;
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private final EconomicMap<Class<? extends Architecture>, HotSpotBackend> backends = EconomicMap.create(Equivalence.IDENTITY);
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private final GraalHotSpotVMConfig config;
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private final OptionValues options;
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private final DiagnosticsOutputDirectory outputDirectory;
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private final Map<ExceptionAction, Integer> compilationProblemsPerAction;
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private final HotSpotGraalMBean mBean;
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/**
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* @param compilerConfigurationFactory factory for the compiler configuration
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* {@link CompilerConfigurationFactory#selectFactory(String, OptionValues)}
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*/
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@SuppressWarnings("try")
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HotSpotGraalRuntime(HotSpotJVMCIRuntime jvmciRuntime, CompilerConfigurationFactory compilerConfigurationFactory, OptionValues initialOptions) {
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HotSpotVMConfigStore store = jvmciRuntime.getConfigStore();
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config = GeneratePIC.getValue(initialOptions) ? new AOTGraalHotSpotVMConfig(store) : new GraalHotSpotVMConfig(store);
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// Only set HotSpotPrintInlining if it still has its default value (false).
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if (GraalOptions.HotSpotPrintInlining.getValue(initialOptions) == false && config.printInlining) {
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options = new OptionValues(initialOptions, HotSpotPrintInlining, true);
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} else {
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options = initialOptions;
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}
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outputDirectory = new DiagnosticsOutputDirectory(options);
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compilationProblemsPerAction = new EnumMap<>(ExceptionAction.class);
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snippetCounterGroups = GraalOptions.SnippetCounters.getValue(options) ? new ArrayList<>() : null;
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CompilerConfiguration compilerConfiguration = compilerConfigurationFactory.createCompilerConfiguration();
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HotSpotGraalCompiler compiler = new HotSpotGraalCompiler(jvmciRuntime, this, initialOptions);
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this.mBean = createHotSpotGraalMBean(compiler);
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BackendMap backendMap = compilerConfigurationFactory.createBackendMap();
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JVMCIBackend hostJvmciBackend = jvmciRuntime.getHostJVMCIBackend();
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Architecture hostArchitecture = hostJvmciBackend.getTarget().arch;
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try (InitTimer t = timer("create backend:", hostArchitecture)) {
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HotSpotBackendFactory factory = backendMap.getBackendFactory(hostArchitecture);
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if (factory == null) {
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throw new GraalError("No backend available for host architecture \"%s\"", hostArchitecture);
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}
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hostBackend = registerBackend(factory.createBackend(this, compilerConfiguration, jvmciRuntime, null));
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}
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for (JVMCIBackend jvmciBackend : jvmciRuntime.getJVMCIBackends().values()) {
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if (jvmciBackend == hostJvmciBackend) {
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continue;
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}
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Architecture gpuArchitecture = jvmciBackend.getTarget().arch;
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HotSpotBackendFactory factory = backendMap.getBackendFactory(gpuArchitecture);
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if (factory == null) {
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throw new GraalError("No backend available for specified GPU architecture \"%s\"", gpuArchitecture);
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}
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try (InitTimer t = timer("create backend:", gpuArchitecture)) {
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registerBackend(factory.createBackend(this, compilerConfiguration, null, hostBackend));
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}
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}
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// Complete initialization of backends
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try (InitTimer st = timer(hostBackend.getTarget().arch.getName(), ".completeInitialization")) {
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hostBackend.completeInitialization(jvmciRuntime, options);
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}
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for (HotSpotBackend backend : backends.getValues()) {
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if (backend != hostBackend) {
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try (InitTimer st = timer(backend.getTarget().arch.getName(), ".completeInitialization")) {
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backend.completeInitialization(jvmciRuntime, options);
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}
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}
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}
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BenchmarkCounters.initialize(jvmciRuntime, options);
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assert checkArrayIndexScaleInvariants();
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runtimeStartTime = System.nanoTime();
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bootstrapJVMCI = config.getFlag("BootstrapJVMCI", Boolean.class);
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}
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private static HotSpotGraalMBean createHotSpotGraalMBean(HotSpotGraalCompiler compiler) {
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try {
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return HotSpotGraalMBean.create(compiler);
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} catch (LinkageError ex) {
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return null;
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}
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}
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private HotSpotBackend registerBackend(HotSpotBackend backend) {
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Class<? extends Architecture> arch = backend.getTarget().arch.getClass();
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HotSpotBackend oldValue = backends.put(arch, backend);
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assert oldValue == null : "cannot overwrite existing backend for architecture " + arch.getSimpleName();
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return backend;
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}
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@Override
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public HotSpotProviders getHostProviders() {
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return getHostBackend().getProviders();
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}
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@Override
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public GraalHotSpotVMConfig getVMConfig() {
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return config;
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}
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@Override
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public DebugContext openDebugContext(OptionValues compilationOptions, CompilationIdentifier compilationId, Object compilable, Iterable<DebugHandlersFactory> factories) {
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Description description = new Description(compilable, compilationId.toString(CompilationIdentifier.Verbosity.ID));
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return DebugContext.create(compilationOptions, description, metricValues, DEFAULT_LOG_STREAM, factories);
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}
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@Override
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public OptionValues getOptions() {
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return mBean == null ? options : mBean.optionsFor(options, null);
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}
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@Override
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public OptionValues getOptions(ResolvedJavaMethod forMethod) {
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return mBean == null ? options : mBean.optionsFor(options, forMethod);
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}
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@Override
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public Group createSnippetCounterGroup(String name) {
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if (snippetCounterGroups != null) {
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Group group = new Group(name);
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snippetCounterGroups.add(group);
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return group;
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}
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return null;
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}
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@Override
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public String getName() {
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return getClass().getSimpleName();
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}
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@SuppressWarnings("unchecked")
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@Override
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public <T> T getCapability(Class<T> clazz) {
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if (clazz == RuntimeProvider.class) {
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return (T) this;
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} else if (clazz == OptionValues.class) {
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return (T) options;
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} else if (clazz == StackIntrospection.class) {
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return (T) this;
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} else if (clazz == SnippetReflectionProvider.class) {
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return (T) getHostProviders().getSnippetReflection();
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} else if (clazz == StampProvider.class) {
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return (T) getHostProviders().getStampProvider();
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}
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return null;
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}
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@Override
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public HotSpotBackend getHostBackend() {
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return hostBackend;
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}
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@Override
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public <T extends Architecture> Backend getBackend(Class<T> arch) {
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assert arch != Architecture.class;
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return backends.get(arch);
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}
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private long runtimeStartTime;
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private boolean shutdown;
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/**
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* Take action related to entering a new execution phase.
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*
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* @param phase the execution phase being entered
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*/
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void phaseTransition(String phase) {
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if (Options.UseCompilationStatistics.getValue(options)) {
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CompilationStatistics.clear(phase);
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}
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}
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void shutdown() {
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shutdown = true;
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metricValues.print(options);
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phaseTransition("final");
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if (snippetCounterGroups != null) {
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for (Group group : snippetCounterGroups) {
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TTY.out().out().println(group);
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}
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}
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BenchmarkCounters.shutdown(runtime(), options, runtimeStartTime);
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outputDirectory.close();
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}
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void clearMetrics() {
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metricValues.clear();
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}
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private final boolean bootstrapJVMCI;
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private boolean bootstrapFinished;
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public void notifyBootstrapFinished() {
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bootstrapFinished = true;
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}
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@Override
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public boolean isBootstrapping() {
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return bootstrapJVMCI && !bootstrapFinished;
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}
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@Override
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public boolean isShutdown() {
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return shutdown;
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}
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@Override
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public DiagnosticsOutputDirectory getOutputDirectory() {
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return outputDirectory;
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}
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@Override
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public Map<ExceptionAction, Integer> getCompilationProblemsPerAction() {
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return compilationProblemsPerAction;
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}
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}
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