| /* |
| * Copyright (c) 2011, 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 jdk.vm.ci.hotspot.HotSpotJVMCIRuntime.runtime; |
| import static org.graalvm.compiler.core.common.GraalOptions.GeneratePIC; |
| import static org.graalvm.compiler.core.common.GraalOptions.HotSpotPrintInlining; |
| import static org.graalvm.compiler.debug.DebugContext.DEFAULT_LOG_STREAM; |
| import static org.graalvm.compiler.hotspot.HotSpotGraalRuntime.HotSpotGC.CMS; |
| import static org.graalvm.compiler.hotspot.HotSpotGraalRuntime.HotSpotGC.G1; |
| import static org.graalvm.compiler.hotspot.HotSpotGraalRuntime.HotSpotGC.Parallel; |
| import static org.graalvm.compiler.hotspot.HotSpotGraalRuntime.HotSpotGC.Serial; |
| |
| import java.util.ArrayList; |
| import java.util.EnumMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import jdk.internal.vm.compiler.collections.EconomicMap; |
| import jdk.internal.vm.compiler.collections.EconomicSet; |
| import jdk.internal.vm.compiler.collections.Equivalence; |
| import jdk.internal.vm.compiler.collections.UnmodifiableMapCursor; |
| import org.graalvm.compiler.api.replacements.SnippetReflectionProvider; |
| import org.graalvm.compiler.api.runtime.GraalRuntime; |
| import org.graalvm.compiler.core.CompilationWrapper.ExceptionAction; |
| import org.graalvm.compiler.core.common.CompilationIdentifier; |
| import org.graalvm.compiler.core.common.GraalOptions; |
| import org.graalvm.compiler.core.target.Backend; |
| import org.graalvm.compiler.debug.DebugContext; |
| import org.graalvm.compiler.debug.DebugContext.Description; |
| import org.graalvm.compiler.debug.DebugHandlersFactory; |
| import org.graalvm.compiler.debug.DebugOptions; |
| import org.graalvm.compiler.debug.DiagnosticsOutputDirectory; |
| import org.graalvm.compiler.debug.GlobalMetrics; |
| import org.graalvm.compiler.debug.GraalError; |
| import org.graalvm.compiler.debug.TTY; |
| import org.graalvm.compiler.hotspot.CompilationStatistics.Options; |
| import org.graalvm.compiler.hotspot.CompilerConfigurationFactory.BackendMap; |
| import org.graalvm.compiler.hotspot.debug.BenchmarkCounters; |
| import org.graalvm.compiler.hotspot.meta.HotSpotProviders; |
| import org.graalvm.compiler.nodes.spi.StampProvider; |
| import org.graalvm.compiler.options.EnumOptionKey; |
| import org.graalvm.compiler.options.OptionDescriptor; |
| import org.graalvm.compiler.options.OptionDescriptors; |
| import org.graalvm.compiler.options.OptionKey; |
| import org.graalvm.compiler.options.OptionValues; |
| import org.graalvm.compiler.options.OptionsParser; |
| import org.graalvm.compiler.phases.tiers.CompilerConfiguration; |
| import org.graalvm.compiler.replacements.SnippetCounter; |
| import org.graalvm.compiler.replacements.SnippetCounter.Group; |
| import org.graalvm.compiler.runtime.RuntimeProvider; |
| import org.graalvm.compiler.serviceprovider.GraalServices; |
| |
| import jdk.vm.ci.code.Architecture; |
| import jdk.vm.ci.code.stack.StackIntrospection; |
| import jdk.vm.ci.common.InitTimer; |
| import jdk.vm.ci.hotspot.HotSpotCompilationRequest; |
| import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime; |
| import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; |
| import jdk.vm.ci.hotspot.HotSpotResolvedJavaType; |
| import jdk.vm.ci.hotspot.HotSpotResolvedObjectType; |
| import jdk.vm.ci.hotspot.HotSpotVMConfigStore; |
| import jdk.vm.ci.meta.JavaKind; |
| import jdk.vm.ci.meta.MetaAccessProvider; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| import jdk.vm.ci.meta.ResolvedJavaType; |
| import jdk.vm.ci.runtime.JVMCI; |
| import jdk.vm.ci.runtime.JVMCIBackend; |
| |
| //JaCoCo Exclude |
| |
| /** |
| * Singleton class holding the instance of the {@link GraalRuntime}. |
| */ |
| public final class HotSpotGraalRuntime implements HotSpotGraalRuntimeProvider { |
| |
| private static boolean checkArrayIndexScaleInvariants(MetaAccessProvider metaAccess) { |
| assert metaAccess.getArrayIndexScale(JavaKind.Byte) == 1; |
| assert metaAccess.getArrayIndexScale(JavaKind.Boolean) == 1; |
| assert metaAccess.getArrayIndexScale(JavaKind.Char) == 2; |
| assert metaAccess.getArrayIndexScale(JavaKind.Short) == 2; |
| assert metaAccess.getArrayIndexScale(JavaKind.Int) == 4; |
| assert metaAccess.getArrayIndexScale(JavaKind.Long) == 8; |
| assert metaAccess.getArrayIndexScale(JavaKind.Float) == 4; |
| assert metaAccess.getArrayIndexScale(JavaKind.Double) == 8; |
| return true; |
| } |
| |
| private final String runtimeName; |
| private final String compilerConfigurationName; |
| private final HotSpotBackend hostBackend; |
| private final GlobalMetrics metricValues = new GlobalMetrics(); |
| private final List<SnippetCounter.Group> snippetCounterGroups; |
| private final HotSpotGC garbageCollector; |
| |
| private final EconomicMap<Class<? extends Architecture>, HotSpotBackend> backends = EconomicMap.create(Equivalence.IDENTITY); |
| |
| private final GraalHotSpotVMConfig config; |
| |
| /** |
| * The options can be {@linkplain #setOptionValues(String[], String[]) updated} by external |
| * interfaces such as JMX. This comes with the risk that inconsistencies can arise as an |
| * {@link OptionValues} object can be cached by various parts of Graal instead of always |
| * obtaining them from this object. However, concurrent updates are never lost. |
| */ |
| private AtomicReference<OptionValues> optionsRef = new AtomicReference<>(); |
| |
| private final HotSpotGraalCompiler compiler; |
| |
| private final DiagnosticsOutputDirectory outputDirectory; |
| private final Map<ExceptionAction, Integer> compilationProblemsPerAction; |
| |
| /** |
| * Constants denoting the GC algorithms available in HotSpot. |
| */ |
| public enum HotSpotGC { |
| Serial("UseSerialGC"), |
| Parallel("UseParallelGC", "UseParallelOldGC", "UseParNewGC"), |
| CMS("UseConcMarkSweepGC"), |
| G1("UseG1GC"), |
| Epsilon("UseEpsilonGC"), |
| Z("UseZGC"); |
| |
| HotSpotGC(String... flags) { |
| this.flags = flags; |
| } |
| |
| private final String[] flags; |
| |
| public boolean isSelected(GraalHotSpotVMConfig config) { |
| for (String flag : flags) { |
| final boolean notPresent = false; |
| if (config.getFlag(flag, Boolean.class, notPresent)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| } |
| |
| /** |
| * Set of GCs supported by Graal. |
| */ |
| private static final HotSpotGC[] SUPPORTED_GCS = {Serial, Parallel, CMS, G1}; |
| |
| /** |
| * @param nameQualifier a qualifier to be added to this runtime's {@linkplain #getName() name} |
| * @param compilerConfigurationFactory factory for the compiler configuration |
| * {@link CompilerConfigurationFactory#selectFactory(String, OptionValues)} |
| */ |
| @SuppressWarnings("try") |
| HotSpotGraalRuntime(String nameQualifier, HotSpotJVMCIRuntime jvmciRuntime, CompilerConfigurationFactory compilerConfigurationFactory, OptionValues initialOptions) { |
| this.runtimeName = getClass().getSimpleName() + ":" + nameQualifier; |
| HotSpotVMConfigStore store = jvmciRuntime.getConfigStore(); |
| config = GeneratePIC.getValue(initialOptions) ? new AOTGraalHotSpotVMConfig(store) : new GraalHotSpotVMConfig(store); |
| |
| // Only set HotSpotPrintInlining if it still has its default value (false). |
| if (GraalOptions.HotSpotPrintInlining.getValue(initialOptions) == false && config.printInlining) { |
| optionsRef.set(new OptionValues(initialOptions, HotSpotPrintInlining, true)); |
| } else { |
| optionsRef.set(initialOptions); |
| } |
| OptionValues options = optionsRef.get(); |
| |
| HotSpotGC selected = null; |
| for (HotSpotGC gc : SUPPORTED_GCS) { |
| if (gc.isSelected(config)) { |
| selected = gc; |
| break; |
| } |
| } |
| if (selected == null) { |
| for (HotSpotGC gc : HotSpotGC.values()) { |
| if (gc.isSelected(config)) { |
| selected = gc; |
| break; |
| } |
| } |
| String unsupportedGC = selected != null ? selected.name() : "<unknown>"; |
| throw new GraalError(unsupportedGC + " garbage collector is not supported by Graal"); |
| } |
| garbageCollector = selected; |
| |
| outputDirectory = new DiagnosticsOutputDirectory(options); |
| compilationProblemsPerAction = new EnumMap<>(ExceptionAction.class); |
| snippetCounterGroups = GraalOptions.SnippetCounters.getValue(options) ? new ArrayList<>() : null; |
| CompilerConfiguration compilerConfiguration = compilerConfigurationFactory.createCompilerConfiguration(); |
| compilerConfigurationName = compilerConfigurationFactory.getName(); |
| |
| compiler = new HotSpotGraalCompiler(jvmciRuntime, this, options); |
| management = GraalServices.loadSingle(HotSpotGraalManagementRegistration.class, false); |
| if (management != null) { |
| management.initialize(this); |
| } |
| |
| BackendMap backendMap = compilerConfigurationFactory.createBackendMap(); |
| |
| JVMCIBackend hostJvmciBackend = jvmciRuntime.getHostJVMCIBackend(); |
| Architecture hostArchitecture = hostJvmciBackend.getTarget().arch; |
| try (InitTimer t = timer("create backend:", hostArchitecture)) { |
| HotSpotBackendFactory factory = backendMap.getBackendFactory(hostArchitecture); |
| if (factory == null) { |
| throw new GraalError("No backend available for host architecture \"%s\"", hostArchitecture); |
| } |
| hostBackend = registerBackend(factory.createBackend(this, compilerConfiguration, jvmciRuntime, null)); |
| } |
| |
| for (JVMCIBackend jvmciBackend : jvmciRuntime.getJVMCIBackends().values()) { |
| if (jvmciBackend == hostJvmciBackend) { |
| continue; |
| } |
| |
| Architecture gpuArchitecture = jvmciBackend.getTarget().arch; |
| HotSpotBackendFactory factory = backendMap.getBackendFactory(gpuArchitecture); |
| if (factory == null) { |
| throw new GraalError("No backend available for specified GPU architecture \"%s\"", gpuArchitecture); |
| } |
| try (InitTimer t = timer("create backend:", gpuArchitecture)) { |
| registerBackend(factory.createBackend(this, compilerConfiguration, null, hostBackend)); |
| } |
| } |
| |
| // Complete initialization of backends |
| try (InitTimer st = timer(hostBackend.getTarget().arch.getName(), ".completeInitialization")) { |
| hostBackend.completeInitialization(jvmciRuntime, options); |
| } |
| for (HotSpotBackend backend : backends.getValues()) { |
| if (backend != hostBackend) { |
| try (InitTimer st = timer(backend.getTarget().arch.getName(), ".completeInitialization")) { |
| backend.completeInitialization(jvmciRuntime, options); |
| } |
| } |
| } |
| |
| BenchmarkCounters.initialize(jvmciRuntime, options); |
| |
| assert checkArrayIndexScaleInvariants(hostJvmciBackend.getMetaAccess()); |
| |
| runtimeStartTime = System.nanoTime(); |
| bootstrapJVMCI = config.getFlag("BootstrapJVMCI", Boolean.class); |
| } |
| |
| private HotSpotBackend registerBackend(HotSpotBackend backend) { |
| Class<? extends Architecture> arch = backend.getTarget().arch.getClass(); |
| HotSpotBackend oldValue = backends.put(arch, backend); |
| assert oldValue == null : "cannot overwrite existing backend for architecture " + arch.getSimpleName(); |
| return backend; |
| } |
| |
| @Override |
| public HotSpotProviders getHostProviders() { |
| return getHostBackend().getProviders(); |
| } |
| |
| @Override |
| public GraalHotSpotVMConfig getVMConfig() { |
| return config; |
| } |
| |
| @Override |
| public DebugContext openDebugContext(OptionValues compilationOptions, CompilationIdentifier compilationId, Object compilable, Iterable<DebugHandlersFactory> factories) { |
| if (management != null && management.poll(false) != null) { |
| if (compilable instanceof HotSpotResolvedJavaMethod) { |
| HotSpotResolvedObjectType type = ((HotSpotResolvedJavaMethod) compilable).getDeclaringClass(); |
| if (type instanceof HotSpotResolvedJavaType) { |
| Class<?> clazz = runtime().getMirror(type); |
| try { |
| ClassLoader cl = clazz.getClassLoader(); |
| if (cl != null) { |
| loaders.add(cl); |
| } |
| } catch (SecurityException e) { |
| // This loader can obviously not be used for resolving class names |
| } |
| } |
| } |
| } |
| Description description = new Description(compilable, compilationId.toString(CompilationIdentifier.Verbosity.ID)); |
| return DebugContext.create(compilationOptions, description, metricValues, DEFAULT_LOG_STREAM, factories); |
| } |
| |
| @Override |
| public OptionValues getOptions() { |
| return optionsRef.get(); |
| } |
| |
| @Override |
| public Group createSnippetCounterGroup(String groupName) { |
| if (snippetCounterGroups != null) { |
| Group group = new Group(groupName); |
| snippetCounterGroups.add(group); |
| return group; |
| } |
| return null; |
| } |
| |
| @Override |
| public String getName() { |
| return runtimeName; |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Override |
| public <T> T getCapability(Class<T> clazz) { |
| if (clazz == RuntimeProvider.class) { |
| return (T) this; |
| } else if (clazz == OptionValues.class) { |
| return (T) optionsRef.get(); |
| } else if (clazz == StackIntrospection.class) { |
| return (T) this; |
| } else if (clazz == SnippetReflectionProvider.class) { |
| return (T) getHostProviders().getSnippetReflection(); |
| } else if (clazz == StampProvider.class) { |
| return (T) getHostProviders().getStampProvider(); |
| } |
| return null; |
| } |
| |
| public HotSpotGC getGarbageCollector() { |
| return garbageCollector; |
| } |
| |
| @Override |
| public HotSpotBackend getHostBackend() { |
| return hostBackend; |
| } |
| |
| @Override |
| public <T extends Architecture> Backend getBackend(Class<T> arch) { |
| assert arch != Architecture.class; |
| return backends.get(arch); |
| } |
| |
| @Override |
| public String getCompilerConfigurationName() { |
| return compilerConfigurationName; |
| } |
| |
| private long runtimeStartTime; |
| private boolean shutdown; |
| |
| /** |
| * Take action related to entering a new execution phase. |
| * |
| * @param phase the execution phase being entered |
| */ |
| void phaseTransition(String phase) { |
| if (Options.UseCompilationStatistics.getValue(optionsRef.get())) { |
| CompilationStatistics.clear(phase); |
| } |
| } |
| |
| void shutdown() { |
| shutdown = true; |
| metricValues.print(optionsRef.get()); |
| |
| phaseTransition("final"); |
| |
| if (snippetCounterGroups != null) { |
| for (Group group : snippetCounterGroups) { |
| TTY.out().out().println(group); |
| } |
| } |
| BenchmarkCounters.shutdown(runtime(), optionsRef.get(), runtimeStartTime); |
| |
| outputDirectory.close(); |
| } |
| |
| void clearMetrics() { |
| metricValues.clear(); |
| } |
| |
| private final boolean bootstrapJVMCI; |
| private boolean bootstrapFinished; |
| |
| public void notifyBootstrapFinished() { |
| bootstrapFinished = true; |
| } |
| |
| @Override |
| public boolean isBootstrapping() { |
| return bootstrapJVMCI && !bootstrapFinished; |
| } |
| |
| @Override |
| public boolean isShutdown() { |
| return shutdown; |
| } |
| |
| @Override |
| public DiagnosticsOutputDirectory getOutputDirectory() { |
| return outputDirectory; |
| } |
| |
| @Override |
| public Map<ExceptionAction, Integer> getCompilationProblemsPerAction() { |
| return compilationProblemsPerAction; |
| } |
| |
| // ------- Management interface --------- |
| |
| private final HotSpotGraalManagementRegistration management; |
| |
| /** |
| * @returns the management object for this runtime or {@code null} |
| */ |
| public HotSpotGraalManagementRegistration getManagement() { |
| return management; |
| } |
| |
| /** |
| * Set of weak references to {@link ClassLoader}s available for resolving class names present in |
| * management {@linkplain #invokeManagementAction(String, Object[]) action} arguments. |
| */ |
| private final WeakClassLoaderSet loaders = new WeakClassLoaderSet(ClassLoader.getSystemClassLoader()); |
| |
| /** |
| * Sets or updates this object's {@linkplain #getOptions() options} from {@code names} and |
| * {@code values}. |
| * |
| * @param values the values to set. The empty string represents {@code null} which resets an |
| * option to its default value. For string type options, a non-empty value must be |
| * enclosed in double quotes. |
| * @return an array of Strings where the element at index i is {@code names[i]} if setting the |
| * denoted option succeeded, {@code null} if the option is unknown otherwise an error |
| * message describing the failure to set the option |
| */ |
| public String[] setOptionValues(String[] names, String[] values) { |
| EconomicMap<String, OptionDescriptor> optionDescriptors = getOptionDescriptors(); |
| EconomicMap<OptionKey<?>, Object> newValues = EconomicMap.create(names.length); |
| EconomicSet<OptionKey<?>> resetValues = EconomicSet.create(names.length); |
| String[] result = new String[names.length]; |
| for (int i = 0; i < names.length; i++) { |
| String name = names[i]; |
| OptionDescriptor option = optionDescriptors.get(name); |
| if (option != null) { |
| String svalue = values[i]; |
| Class<?> optionValueType = option.getOptionValueType(); |
| OptionKey<?> optionKey = option.getOptionKey(); |
| if (svalue == null || svalue.isEmpty() && !(optionKey instanceof EnumOptionKey)) { |
| resetValues.add(optionKey); |
| result[i] = name; |
| } else { |
| String valueToParse; |
| if (optionValueType == String.class) { |
| if (svalue.length() < 2 || svalue.charAt(0) != '"' || svalue.charAt(svalue.length() - 1) != '"') { |
| result[i] = "Invalid value for String option '" + name + "': must be the empty string or be enclosed in double quotes: " + svalue; |
| continue; |
| } else { |
| valueToParse = svalue.substring(1, svalue.length() - 1); |
| } |
| } else { |
| valueToParse = svalue; |
| } |
| try { |
| OptionsParser.parseOption(name, valueToParse, newValues, OptionsParser.getOptionsLoader()); |
| result[i] = name; |
| } catch (IllegalArgumentException e) { |
| result[i] = e.getMessage(); |
| continue; |
| } |
| } |
| } else { |
| result[i] = null; |
| } |
| } |
| |
| OptionValues currentOptions; |
| OptionValues newOptions; |
| do { |
| currentOptions = optionsRef.get(); |
| UnmodifiableMapCursor<OptionKey<?>, Object> cursor = currentOptions.getMap().getEntries(); |
| while (cursor.advance()) { |
| OptionKey<?> key = cursor.getKey(); |
| if (!resetValues.contains(key) && !newValues.containsKey(key)) { |
| newValues.put(key, OptionValues.decodeNull(cursor.getValue())); |
| } |
| } |
| newOptions = new OptionValues(newValues); |
| } while (!optionsRef.compareAndSet(currentOptions, newOptions)); |
| |
| return result; |
| } |
| |
| /** |
| * Gets the values for the options corresponding to {@code names} encoded as strings. The empty |
| * string represents {@code null}. For string type options, non-{@code null} values will be |
| * enclosed in double quotes. |
| * |
| * @param names a list of option names |
| * @return the values for each named option. If an element in {@code names} does not denote an |
| * existing option, the corresponding element in the returned array will be {@code null} |
| */ |
| public String[] getOptionValues(String... names) { |
| String[] values = new String[names.length]; |
| EconomicMap<String, OptionDescriptor> optionDescriptors = getOptionDescriptors(); |
| for (int i = 0; i < names.length; i++) { |
| OptionDescriptor option = optionDescriptors.get(names[i]); |
| if (option != null) { |
| OptionKey<?> optionKey = option.getOptionKey(); |
| Object value = optionKey.getValue(getOptions()); |
| String svalue; |
| if (option.getOptionValueType() == String.class && value != null) { |
| svalue = "\"" + value + "\""; |
| } else if (value == null) { |
| svalue = ""; |
| } else { |
| svalue = String.valueOf(value); |
| } |
| values[i] = svalue; |
| } else { |
| // null denotes the option does not exist |
| values[i] = null; |
| } |
| } |
| return values; |
| } |
| |
| private static EconomicMap<String, OptionDescriptor> getOptionDescriptors() { |
| EconomicMap<String, OptionDescriptor> result = EconomicMap.create(); |
| for (OptionDescriptors set : OptionsParser.getOptionsLoader()) { |
| for (OptionDescriptor option : set) { |
| result.put(option.getName(), option); |
| } |
| } |
| return result; |
| } |
| |
| private void dumpMethod(String className, String methodName, String filter, String host, int port) throws Exception { |
| EconomicSet<ClassNotFoundException> failures = EconomicSet.create(); |
| EconomicSet<Class<?>> found = loaders.resolve(className, failures); |
| if (found.isEmpty()) { |
| ClassNotFoundException cause = failures.isEmpty() ? new ClassNotFoundException(className) : failures.iterator().next(); |
| throw new Exception("Cannot find class " + className + " to schedule recompilation", cause); |
| } |
| for (Class<?> clazz : found) { |
| ResolvedJavaType type = JVMCI.getRuntime().getHostJVMCIBackend().getMetaAccess().lookupJavaType(clazz); |
| for (ResolvedJavaMethod method : type.getDeclaredMethods()) { |
| if (methodName.equals(method.getName()) && method instanceof HotSpotResolvedJavaMethod) { |
| HotSpotResolvedJavaMethod hotSpotMethod = (HotSpotResolvedJavaMethod) method; |
| dumpMethod(hotSpotMethod, filter, host, port); |
| } |
| } |
| } |
| } |
| |
| private void dumpMethod(HotSpotResolvedJavaMethod hotSpotMethod, String filter, String host, int port) throws Exception { |
| EconomicMap<OptionKey<?>, Object> extra = EconomicMap.create(); |
| extra.put(DebugOptions.Dump, filter); |
| extra.put(DebugOptions.PrintGraphHost, host); |
| extra.put(DebugOptions.PrintBinaryGraphPort, port); |
| OptionValues compileOptions = new OptionValues(getOptions(), extra); |
| compiler.compileMethod(new HotSpotCompilationRequest(hotSpotMethod, -1, 0L), false, compileOptions); |
| } |
| |
| public Object invokeManagementAction(String actionName, Object[] params) throws Exception { |
| if ("dumpMethod".equals(actionName)) { |
| if (params.length != 0 && params[0] instanceof HotSpotResolvedJavaMethod) { |
| HotSpotResolvedJavaMethod method = param(params, 0, "method", HotSpotResolvedJavaMethod.class, null); |
| String filter = param(params, 1, "filter", String.class, ":3"); |
| String host = param(params, 2, "host", String.class, "localhost"); |
| Number port = param(params, 3, "port", Number.class, 4445); |
| dumpMethod(method, filter, host, port.intValue()); |
| } else { |
| String className = param(params, 0, "className", String.class, null); |
| String methodName = param(params, 1, "methodName", String.class, null); |
| String filter = param(params, 2, "filter", String.class, ":3"); |
| String host = param(params, 3, "host", String.class, "localhost"); |
| Number port = param(params, 4, "port", Number.class, 4445); |
| dumpMethod(className, methodName, filter, host, port.intValue()); |
| } |
| } |
| return null; |
| } |
| |
| private static <T> T param(Object[] arr, int index, String name, Class<T> type, T defaultValue) { |
| Object value = arr.length > index ? arr[index] : null; |
| if (value == null || (value instanceof String && ((String) value).isEmpty())) { |
| if (defaultValue == null) { |
| throw new IllegalArgumentException(name + " must be specified"); |
| } |
| value = defaultValue; |
| } |
| if (type.isInstance(value)) { |
| return type.cast(value); |
| } |
| throw new IllegalArgumentException("Expecting " + type.getName() + " for " + name + " but was " + value); |
| } |
| } |
