| /* |
| * Copyright (c) 2015, 2016, 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.hotspot; |
| |
| import static jdk.vm.ci.common.InitTimer.timer; |
| import static org.graalvm.compiler.hotspot.HotSpotGraalOptionValues.GRAAL_OPTION_PROPERTY_PREFIX; |
| |
| import java.io.PrintStream; |
| |
| import org.graalvm.compiler.api.runtime.GraalRuntime; |
| import org.graalvm.compiler.debug.MethodFilter; |
| import org.graalvm.compiler.options.Option; |
| import org.graalvm.compiler.options.OptionKey; |
| import org.graalvm.compiler.options.OptionType; |
| import org.graalvm.compiler.options.OptionValues; |
| import org.graalvm.compiler.options.OptionsParser; |
| import org.graalvm.compiler.phases.tiers.CompilerConfiguration; |
| |
| import jdk.vm.ci.common.InitTimer; |
| import jdk.vm.ci.hotspot.HotSpotJVMCICompilerFactory; |
| import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime; |
| import jdk.vm.ci.hotspot.HotSpotSignature; |
| import jdk.vm.ci.runtime.JVMCIRuntime; |
| |
| public final class HotSpotGraalCompilerFactory extends HotSpotJVMCICompilerFactory { |
| |
| private static MethodFilter[] graalCompileOnlyFilter; |
| private static boolean compileGraalWithC1Only; |
| |
| private IsGraalPredicate isGraalPredicate; |
| |
| private final HotSpotGraalJVMCIServiceLocator locator; |
| |
| HotSpotGraalCompilerFactory(HotSpotGraalJVMCIServiceLocator locator) { |
| this.locator = locator; |
| } |
| |
| @Override |
| public String getCompilerName() { |
| return "graal"; |
| } |
| |
| /** |
| * Initialized when this factory is {@linkplain #onSelection() selected}. |
| */ |
| private OptionValues options; |
| |
| @Override |
| public void onSelection() { |
| JVMCIVersionCheck.check(false); |
| assert options == null : "cannot select " + getClass() + " service more than once"; |
| options = HotSpotGraalOptionValues.HOTSPOT_OPTIONS; |
| initializeGraalCompilePolicyFields(options); |
| isGraalPredicate = compileGraalWithC1Only ? new IsGraalPredicate() : null; |
| /* |
| * Exercise this code path early to encourage loading now. This doesn't solve problem of |
| * deadlock during class loading but seems to eliminate it in practice. |
| */ |
| adjustCompilationLevelInternal(Object.class, "hashCode", "()I", CompilationLevel.FullOptimization); |
| adjustCompilationLevelInternal(Object.class, "hashCode", "()I", CompilationLevel.Simple); |
| } |
| |
| private static void initializeGraalCompilePolicyFields(OptionValues options) { |
| compileGraalWithC1Only = Options.CompileGraalWithC1Only.getValue(options); |
| String optionValue = Options.GraalCompileOnly.getValue(options); |
| if (optionValue != null) { |
| MethodFilter[] filter = MethodFilter.parse(optionValue); |
| if (filter.length == 0) { |
| filter = null; |
| } |
| graalCompileOnlyFilter = filter; |
| } |
| } |
| |
| @Override |
| public void printProperties(PrintStream out) { |
| out.println("[Graal properties]"); |
| options.printHelp(OptionsParser.getOptionsLoader(), out, GRAAL_OPTION_PROPERTY_PREFIX); |
| } |
| |
| static class Options { |
| |
| // @formatter:off |
| @Option(help = "In tiered mode compile Graal and JVMCI using optimized first tier code.", type = OptionType.Expert) |
| public static final OptionKey<Boolean> CompileGraalWithC1Only = new OptionKey<>(true); |
| |
| @Option(help = "A filter applied to a method the VM has selected for compilation by Graal. " + |
| "A method not matching the filter is redirected to a lower tier compiler. " + |
| "The filter format is the same as for the MethodFilter option.", type = OptionType.Expert) |
| public static final OptionKey<String> GraalCompileOnly = new OptionKey<>(null); |
| // @formatter:on |
| |
| } |
| |
| @Override |
| public HotSpotGraalCompiler createCompiler(JVMCIRuntime runtime) { |
| CompilerConfigurationFactory factory = CompilerConfigurationFactory.selectFactory(null, options); |
| if (isGraalPredicate != null) { |
| isGraalPredicate.onCompilerConfigurationFactorySelection(factory); |
| } |
| HotSpotGraalCompiler compiler = createCompiler("VM", runtime, options, factory); |
| // Only the HotSpotGraalRuntime associated with the compiler created via |
| // jdk.vm.ci.runtime.JVMCIRuntime.getCompiler() is registered for receiving |
| // VM events. |
| locator.onCompilerCreation(compiler); |
| return compiler; |
| } |
| |
| /** |
| * Creates a new {@link HotSpotGraalRuntime} object and a new {@link HotSpotGraalCompiler} and |
| * returns the latter. |
| * |
| * @param runtimeNameQualifier a qualifier to be added to the {@linkplain GraalRuntime#getName() |
| * name} of the {@linkplain HotSpotGraalCompiler#getGraalRuntime() runtime} created |
| * by this method |
| * @param runtime the JVMCI runtime on which the {@link HotSpotGraalRuntime} is built |
| * @param compilerConfigurationFactory factory for the {@link CompilerConfiguration} |
| */ |
| @SuppressWarnings("try") |
| public static HotSpotGraalCompiler createCompiler(String runtimeNameQualifier, JVMCIRuntime runtime, OptionValues options, CompilerConfigurationFactory compilerConfigurationFactory) { |
| HotSpotJVMCIRuntime jvmciRuntime = (HotSpotJVMCIRuntime) runtime; |
| try (InitTimer t = timer("HotSpotGraalRuntime.<init>")) { |
| HotSpotGraalRuntime graalRuntime = new HotSpotGraalRuntime(runtimeNameQualifier, jvmciRuntime, compilerConfigurationFactory, options); |
| return new HotSpotGraalCompiler(jvmciRuntime, graalRuntime, graalRuntime.getOptions()); |
| } |
| } |
| |
| @Override |
| public CompilationLevelAdjustment getCompilationLevelAdjustment() { |
| if (graalCompileOnlyFilter != null) { |
| return CompilationLevelAdjustment.ByFullSignature; |
| } |
| if (compileGraalWithC1Only) { |
| // We only decide using the class declaring the method |
| // so no need to have the method name and signature |
| // symbols converted to a String. |
| return CompilationLevelAdjustment.ByHolder; |
| } |
| return CompilationLevelAdjustment.None; |
| } |
| |
| @Override |
| public CompilationLevel adjustCompilationLevel(Object declaringClassObject, String name, String signature, boolean isOsr, CompilationLevel level) { |
| if (declaringClassObject instanceof String) { |
| // This must be SVM mode in which case only GraalCompileC1Only matters since Graal and |
| // JVMCI are already compiled. |
| return checkGraalCompileOnlyFilter((String) declaringClassObject, name, signature, level); |
| } |
| Class<?> declaringClass = (Class<?>) declaringClassObject; |
| return adjustCompilationLevelInternal(declaringClass, name, signature, level); |
| } |
| |
| static { |
| // Fail-fast detection for package renaming to guard use of package |
| // prefixes in adjustCompilationLevelInternal. |
| assert jdk.vm.ci.services.Services.class.getName().equals("jdk.vm.ci.services.Services"); |
| assert HotSpotGraalCompilerFactory.class.getName().equals("org.graalvm.compiler.hotspot.HotSpotGraalCompilerFactory"); |
| } |
| |
| private CompilationLevel adjustCompilationLevelInternal(Class<?> declaringClass, String name, String signature, CompilationLevel level) { |
| if (compileGraalWithC1Only) { |
| if (level.ordinal() > CompilationLevel.Simple.ordinal()) { |
| if (isGraalPredicate.apply(declaringClass)) { |
| return CompilationLevel.Simple; |
| } |
| } |
| } |
| return checkGraalCompileOnlyFilter(declaringClass.getName(), name, signature, level); |
| } |
| |
| public static CompilationLevel checkGraalCompileOnlyFilter(String declaringClassName, String name, String signature, CompilationLevel level) { |
| if (graalCompileOnlyFilter != null) { |
| if (level == CompilationLevel.FullOptimization) { |
| HotSpotSignature sig = null; |
| for (MethodFilter filter : graalCompileOnlyFilter) { |
| if (filter.hasSignature() && sig == null) { |
| sig = new HotSpotSignature(HotSpotJVMCIRuntime.runtime(), signature); |
| } |
| if (filter.matches(declaringClassName, name, sig)) { |
| return level; |
| } |
| } |
| return CompilationLevel.Simple; |
| } |
| } |
| return level; |
| } |
| } |