src/jdk.aot/share/classes/jdk.tools.jaotc/src/jdk/tools/jaotc/Main.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2016, 2018, 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 jdk.tools.jaotc;

 import static org.graalvm.compiler.core.common.GraalOptions.GeneratePIC;
 import static org.graalvm.compiler.core.common.GraalOptions.ImmutableCode;
 import static org.graalvm.compiler.hotspot.meta.HotSpotAOTProfilingPlugin.Options.TieredAOT;

 import java.io.IOException;
 import java.io.PrintWriter;
 import java.text.MessageFormat;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.List;
 import java.util.ListIterator;
 import java.util.Set;
 import java.util.StringTokenizer;
 import java.util.stream.Stream;
 import java.nio.file.Files;
 import java.nio.file.Paths;

 import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
 import org.graalvm.compiler.api.runtime.GraalJVMCICompiler;
 import org.graalvm.compiler.debug.DebugContext;
 import org.graalvm.compiler.debug.DebugContext.Activation;
 import org.graalvm.compiler.hotspot.CompilerConfigurationFactory;
 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
 import org.graalvm.compiler.hotspot.HotSpotGraalCompilerFactory;
 import org.graalvm.compiler.hotspot.HotSpotGraalOptionValues;
 import org.graalvm.compiler.hotspot.HotSpotGraalRuntime;
 import org.graalvm.compiler.hotspot.HotSpotHostBackend;
 import org.graalvm.compiler.hotspot.meta.HotSpotInvokeDynamicPlugin;
 import org.graalvm.compiler.java.GraphBuilderPhase;
 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration;
 import org.graalvm.compiler.options.OptionValues;
 import org.graalvm.compiler.phases.BasePhase;
 import org.graalvm.compiler.phases.PhaseSuite;
 import org.graalvm.compiler.phases.tiers.HighTierContext;
 import org.graalvm.compiler.printer.GraalDebugHandlersFactory;
 import org.graalvm.compiler.runtime.RuntimeProvider;

 import jdk.tools.jaotc.Options.Option;
 import jdk.tools.jaotc.binformat.BinaryContainer;
 import jdk.vm.ci.meta.MetaAccessProvider;
 import jdk.vm.ci.meta.ResolvedJavaMethod;
 import jdk.vm.ci.runtime.JVMCI;

 public final class Main {

     final Options options = new Options();
     private PrintWriter log;
     LogPrinter printer;
     GraalFilters filters;

     private static final int EXIT_OK = 0;        // No errors.
     private static final int EXIT_CMDERR = 2;    // Bad command-line arguments and/or switches.
     private static final int EXIT_ABNORMAL = 4;  // Terminated abnormally.

     private static final String PROGNAME = "jaotc";

     private static final String JVM_VERSION = System.getProperty("java.runtime.version");

     public static void main(String[] args) throws Exception {
         Main t = new Main();
         final int exitCode = t.run(parse(args));
         System.exit(exitCode);
     }

     /**
      * Expands '@file' in command line arguments by replacing '@file' with the content of 'file'
      * parsed by StringTokenizer. '@' character can be quoted as '@@'.
      */
     private static String[] parse(String[] args) throws IOException {
         List<String> result = new ArrayList<>();
         for (String arg : args) {
             if (arg.length() > 1 && arg.charAt(0) == '@') {
                 String v = arg.substring(1);
                 if (v.charAt(0) == '@') {
                     result.add(v);
                 } else {
                     try (Stream<String> file = Files.lines(Paths.get(v))) {
                         file.map(StringTokenizer::new).map(Collections::list).flatMap(l -> l.stream().map(o -> (String) o)).forEachOrdered(result::add);
                     }
                 }
             } else {
                 result.add(arg);
             }
         }
         return result.toArray(String[]::new);
     }

     private int run(String[] args) {
         log = new PrintWriter(System.out);
         printer = new LogPrinter(this, log);

         try {
             Options.handleOptions(this, args);
             if (options.help) {
                 showHelp();
                 return EXIT_OK;
             }
             if (options.version) {
                 showVersion();
                 return EXIT_OK;
             }

             printer.printlnInfo("Compiling " + options.outputName + "...");
             final long start = System.currentTimeMillis();
             if (!run()) {
                 return EXIT_ABNORMAL;
             }
             final long end = System.currentTimeMillis();
             printer.printlnInfo("Total time: " + (end - start) + " ms");

             return EXIT_OK;
         } catch (Options.BadArgs e) {
             printer.reportError(e.key, e.args);
             if (e.showUsage) {
                 showUsage();
             }
             return EXIT_CMDERR;
         } catch (Exception e) {
             e.printStackTrace();
             return EXIT_ABNORMAL;
         } finally {
             log.flush();
         }
     }

     @SuppressWarnings("try")
     private boolean run() throws Exception {
         LogPrinter.openLog();

         try {

             final Linker linker = new Linker(this);
             final String objectFileName = linker.objFile();
             final Collector collector = new Collector(this);
             Set<Class<?>> classesToCompile;

             try (Timer t = new Timer(this, "")) {
                 classesToCompile = collector.collectClassesToCompile();
                 printer.printInfo(classesToCompile.size() + " classes found");
             }

             OptionValues graalOptions = HotSpotGraalOptionValues.HOTSPOT_OPTIONS;
             // Setting -Dgraal.TieredAOT overrides --compile-for-tiered
             if (!TieredAOT.hasBeenSet(graalOptions)) {
                 graalOptions = new OptionValues(graalOptions, TieredAOT, options.tiered);
             }
             graalOptions = new OptionValues(graalOptions, GeneratePIC, true, ImmutableCode, true);
             GraalJVMCICompiler graalCompiler = HotSpotGraalCompilerFactory.createCompiler("JAOTC", JVMCI.getRuntime(), graalOptions, CompilerConfigurationFactory.selectFactory(null, graalOptions));
             HotSpotGraalRuntime runtime = (HotSpotGraalRuntime) graalCompiler.getGraalRuntime();
             HotSpotHostBackend backend = (HotSpotHostBackend) runtime.getCapability(RuntimeProvider.class).getHostBackend();
             MetaAccessProvider metaAccess = backend.getProviders().getMetaAccess();
             filters = new GraalFilters(metaAccess);

             List<AOTCompiledClass> classes;

             try (Timer t = new Timer(this, "")) {
                 classes = collector.collectMethodsToCompile(classesToCompile, metaAccess);
             }

             // Free memory!
             try (Timer t = options.verbose ? new Timer(this, "Freeing memory") : null) {
                 printer.printMemoryUsage();
                 classesToCompile = null;
                 System.gc();
             }

             AOTDynamicTypeStore dynoStore = new AOTDynamicTypeStore();
             AOTCompiledClass.setDynamicTypeStore(dynoStore);

             AOTBackend aotBackend = new AOTBackend(this, graalOptions, backend, new HotSpotInvokeDynamicPlugin(dynoStore));
             SnippetReflectionProvider snippetReflection = aotBackend.getProviders().getSnippetReflection();
             AOTCompiler compiler = new AOTCompiler(this, graalOptions, aotBackend, options.threads);
             classes = compiler.compileClasses(classes);

             GraalHotSpotVMConfig graalHotSpotVMConfig = runtime.getVMConfig();
             PhaseSuite<HighTierContext> graphBuilderSuite = aotBackend.getGraphBuilderSuite();
             ListIterator<BasePhase<? super HighTierContext>> iterator = graphBuilderSuite.findPhase(GraphBuilderPhase.class);
             GraphBuilderConfiguration graphBuilderConfig = ((GraphBuilderPhase) iterator.previous()).getGraphBuilderConfig();

             // Free memory!
             try (Timer t = options.verbose ? new Timer(this, "Freeing memory") : null) {
                 printer.printMemoryUsage();
                 aotBackend = null;
                 compiler = null;
                 System.gc();
             }

             int gc = runtime.getGarbageCollector().ordinal() + 1;
             BinaryContainer binaryContainer = new BinaryContainer(graalOptions, graalHotSpotVMConfig, graphBuilderConfig, gc, JVM_VERSION);
             DataBuilder dataBuilder = new DataBuilder(this, backend, classes, binaryContainer);

             try (DebugContext debug = DebugContext.create(graalOptions, new GraalDebugHandlersFactory(snippetReflection)); Activation a = debug.activate()) {
                 dataBuilder.prepareData(debug);
             }

             // Print information about section sizes
             printer.containersInfo(binaryContainer);

             // Free memory!
             try (Timer t = options.verbose ? new Timer(this, "Freeing memory") : null) {
                 printer.printMemoryUsage();
                 backend = null;
                 for (AOTCompiledClass aotCompClass : classes) {
                     aotCompClass.clear();
                 }
                 classes.clear();
                 classes = null;
                 dataBuilder = null;
                 binaryContainer.freeMemory();
                 System.gc();
             }

             try (Timer t = new Timer(this, "Creating binary: " + objectFileName)) {
                 binaryContainer.createBinary(objectFileName);
             }

             // Free memory!
             try (Timer t = options.verbose ? new Timer(this, "Freeing memory") : null) {
                 printer.printMemoryUsage();
                 binaryContainer = null;
                 System.gc();
             }

             try (Timer t = new Timer(this, "Creating shared library: " + linker.libFile())) {
                 linker.link();
             }

             printer.printVerbose("Final memory  ");
             printer.printMemoryUsage();
             printer.printlnVerbose("");

         } finally {
             LogPrinter.closeLog();
         }
         return true;
     }

     void handleError(ResolvedJavaMethod resolvedMethod, Throwable e, String message) {
         String methodName = JavaMethodInfo.uniqueMethodName(resolvedMethod);

         if (options.debug) {
             printer.printError("Failed compilation: " + methodName + ": " + e);
         }

         // Ignore some exceptions when meta-compiling Graal.
         if (GraalFilters.shouldIgnoreException(e)) {
             return;
         }

         LogPrinter.writeLog("Failed compilation of method " + methodName + message);

         if (!options.debug) {
             printer.printError("Failed compilation: " + methodName + ": " + e);
         }

         if (options.verbose) {
             e.printStackTrace(log);
         }

         if (options.exitOnError) {
             System.exit(1);
         }
     }

     void warning(String key, Object... args) {
         log.println("Warning: " + MessageFormat.format(key, args));
         log.flush();
     }

     private void showUsage() {
         log.println("Usage: " + PROGNAME + " <options> list");
         log.println("use --help for a list of possible options");
         log.flush();
     }

     private void showHelp() {
         log.println("Usage: " + PROGNAME + " <options> list");
         log.println();
         log.println("  list       A : separated list of class names, modules, jar files");
         log.println("             or directories which contain class files.");
         log.println();
         log.println("where options include:");
         for (Option o : Options.recognizedOptions) {
             String name = o.aliases[0].substring(1); // there must always be at least one name
             name = name.charAt(0) == '-' ? name.substring(1) : name;
             if (o.isHidden() || name.equals("h")) {
                 continue;
             }
             log.println(o.help);
         }
         log.flush();
     }

     private void showVersion() {
         log.println(PROGNAME + " " + JVM_VERSION);
     }
 }
	/*
	* Copyright (c) 2016, 2018, 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 jdk.tools.jaotc;

	import static org.graalvm.compiler.core.common.GraalOptions.GeneratePIC;
	import static org.graalvm.compiler.core.common.GraalOptions.ImmutableCode;
	import static org.graalvm.compiler.hotspot.meta.HotSpotAOTProfilingPlugin.Options.TieredAOT;

	import java.io.IOException;
	import java.io.PrintWriter;
	import java.text.MessageFormat;
	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.List;
	import java.util.ListIterator;
	import java.util.Set;
	import java.util.StringTokenizer;
	import java.util.stream.Stream;
	import java.nio.file.Files;
	import java.nio.file.Paths;

	import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
	import org.graalvm.compiler.api.runtime.GraalJVMCICompiler;
	import org.graalvm.compiler.debug.DebugContext;
	import org.graalvm.compiler.debug.DebugContext.Activation;
	import org.graalvm.compiler.hotspot.CompilerConfigurationFactory;
	import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
	import org.graalvm.compiler.hotspot.HotSpotGraalCompilerFactory;
	import org.graalvm.compiler.hotspot.HotSpotGraalOptionValues;
	import org.graalvm.compiler.hotspot.HotSpotGraalRuntime;
	import org.graalvm.compiler.hotspot.HotSpotHostBackend;
	import org.graalvm.compiler.hotspot.meta.HotSpotInvokeDynamicPlugin;
	import org.graalvm.compiler.java.GraphBuilderPhase;
	import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration;
	import org.graalvm.compiler.options.OptionValues;
	import org.graalvm.compiler.phases.BasePhase;
	import org.graalvm.compiler.phases.PhaseSuite;
	import org.graalvm.compiler.phases.tiers.HighTierContext;
	import org.graalvm.compiler.printer.GraalDebugHandlersFactory;
	import org.graalvm.compiler.runtime.RuntimeProvider;

	import jdk.tools.jaotc.Options.Option;
	import jdk.tools.jaotc.binformat.BinaryContainer;
	import jdk.vm.ci.meta.MetaAccessProvider;
	import jdk.vm.ci.meta.ResolvedJavaMethod;
	import jdk.vm.ci.runtime.JVMCI;

	public final class Main {

	final Options options = new Options();
	private PrintWriter log;
	LogPrinter printer;
	GraalFilters filters;

	private static final int EXIT_OK = 0; // No errors.
	private static final int EXIT_CMDERR = 2; // Bad command-line arguments and/or switches.
	private static final int EXIT_ABNORMAL = 4; // Terminated abnormally.

	private static final String PROGNAME = "jaotc";

	private static final String JVM_VERSION = System.getProperty("java.runtime.version");

	public static void main(String[] args) throws Exception {
	Main t = new Main();
	final int exitCode = t.run(parse(args));
	System.exit(exitCode);
	}

	/**
	* Expands '@file' in command line arguments by replacing '@file' with the content of 'file'
	* parsed by StringTokenizer. '@' character can be quoted as '@@'.
	*/
	private static String[] parse(String[] args) throws IOException {
	List<String> result = new ArrayList<>();
	for (String arg : args) {
	if (arg.length() > 1 && arg.charAt(0) == '@') {
	String v = arg.substring(1);
	if (v.charAt(0) == '@') {
	result.add(v);
	} else {
	try (Stream<String> file = Files.lines(Paths.get(v))) {
	file.map(StringTokenizer::new).map(Collections::list).flatMap(l -> l.stream().map(o -> (String) o)).forEachOrdered(result::add);
	}
	}
	} else {
	result.add(arg);
	}
	}
	return result.toArray(String[]::new);
	}

	private int run(String[] args) {
	log = new PrintWriter(System.out);
	printer = new LogPrinter(this, log);

	try {
	Options.handleOptions(this, args);
	if (options.help) {
	showHelp();
	return EXIT_OK;
	}
	if (options.version) {
	showVersion();
	return EXIT_OK;
	}

	printer.printlnInfo("Compiling " + options.outputName + "...");
	final long start = System.currentTimeMillis();
	if (!run()) {
	return EXIT_ABNORMAL;
	}
	final long end = System.currentTimeMillis();
	printer.printlnInfo("Total time: " + (end - start) + " ms");

	return EXIT_OK;
	} catch (Options.BadArgs e) {
	printer.reportError(e.key, e.args);
	if (e.showUsage) {
	showUsage();
	}
	return EXIT_CMDERR;
	} catch (Exception e) {
	e.printStackTrace();
	return EXIT_ABNORMAL;
	} finally {
	log.flush();
	}
	}

	@SuppressWarnings("try")
	private boolean run() throws Exception {
	LogPrinter.openLog();

	try {

	final Linker linker = new Linker(this);
	final String objectFileName = linker.objFile();
	final Collector collector = new Collector(this);
	Set<Class<?>> classesToCompile;

	try (Timer t = new Timer(this, "")) {
	classesToCompile = collector.collectClassesToCompile();
	printer.printInfo(classesToCompile.size() + " classes found");
	}

	OptionValues graalOptions = HotSpotGraalOptionValues.HOTSPOT_OPTIONS;
	// Setting -Dgraal.TieredAOT overrides --compile-for-tiered
	if (!TieredAOT.hasBeenSet(graalOptions)) {
	graalOptions = new OptionValues(graalOptions, TieredAOT, options.tiered);
	}
	graalOptions = new OptionValues(graalOptions, GeneratePIC, true, ImmutableCode, true);
	GraalJVMCICompiler graalCompiler = HotSpotGraalCompilerFactory.createCompiler("JAOTC", JVMCI.getRuntime(), graalOptions, CompilerConfigurationFactory.selectFactory(null, graalOptions));
	HotSpotGraalRuntime runtime = (HotSpotGraalRuntime) graalCompiler.getGraalRuntime();
	HotSpotHostBackend backend = (HotSpotHostBackend) runtime.getCapability(RuntimeProvider.class).getHostBackend();
	MetaAccessProvider metaAccess = backend.getProviders().getMetaAccess();
	filters = new GraalFilters(metaAccess);

	List<AOTCompiledClass> classes;

	try (Timer t = new Timer(this, "")) {
	classes = collector.collectMethodsToCompile(classesToCompile, metaAccess);
	}

	// Free memory!
	try (Timer t = options.verbose ? new Timer(this, "Freeing memory") : null) {
	printer.printMemoryUsage();
	classesToCompile = null;
	System.gc();
	}

	AOTDynamicTypeStore dynoStore = new AOTDynamicTypeStore();
	AOTCompiledClass.setDynamicTypeStore(dynoStore);

	AOTBackend aotBackend = new AOTBackend(this, graalOptions, backend, new HotSpotInvokeDynamicPlugin(dynoStore));
	SnippetReflectionProvider snippetReflection = aotBackend.getProviders().getSnippetReflection();
	AOTCompiler compiler = new AOTCompiler(this, graalOptions, aotBackend, options.threads);
	classes = compiler.compileClasses(classes);

	GraalHotSpotVMConfig graalHotSpotVMConfig = runtime.getVMConfig();
	PhaseSuite<HighTierContext> graphBuilderSuite = aotBackend.getGraphBuilderSuite();
	ListIterator<BasePhase<? super HighTierContext>> iterator = graphBuilderSuite.findPhase(GraphBuilderPhase.class);
	GraphBuilderConfiguration graphBuilderConfig = ((GraphBuilderPhase) iterator.previous()).getGraphBuilderConfig();

	// Free memory!
	try (Timer t = options.verbose ? new Timer(this, "Freeing memory") : null) {
	printer.printMemoryUsage();
	aotBackend = null;
	compiler = null;
	System.gc();
	}

	int gc = runtime.getGarbageCollector().ordinal() + 1;
	BinaryContainer binaryContainer = new BinaryContainer(graalOptions, graalHotSpotVMConfig, graphBuilderConfig, gc, JVM_VERSION);
	DataBuilder dataBuilder = new DataBuilder(this, backend, classes, binaryContainer);

	try (DebugContext debug = DebugContext.create(graalOptions, new GraalDebugHandlersFactory(snippetReflection)); Activation a = debug.activate()) {
	dataBuilder.prepareData(debug);
	}

	// Print information about section sizes
	printer.containersInfo(binaryContainer);

	// Free memory!
	try (Timer t = options.verbose ? new Timer(this, "Freeing memory") : null) {
	printer.printMemoryUsage();
	backend = null;
	for (AOTCompiledClass aotCompClass : classes) {
	aotCompClass.clear();
	}
	classes.clear();
	classes = null;
	dataBuilder = null;
	binaryContainer.freeMemory();
	System.gc();
	}

	try (Timer t = new Timer(this, "Creating binary: " + objectFileName)) {
	binaryContainer.createBinary(objectFileName);
	}

	// Free memory!
	try (Timer t = options.verbose ? new Timer(this, "Freeing memory") : null) {
	printer.printMemoryUsage();
	binaryContainer = null;
	System.gc();
	}

	try (Timer t = new Timer(this, "Creating shared library: " + linker.libFile())) {
	linker.link();
	}

	printer.printVerbose("Final memory ");
	printer.printMemoryUsage();
	printer.printlnVerbose("");

	} finally {
	LogPrinter.closeLog();
	}
	return true;
	}

	void handleError(ResolvedJavaMethod resolvedMethod, Throwable e, String message) {
	String methodName = JavaMethodInfo.uniqueMethodName(resolvedMethod);

	if (options.debug) {
	printer.printError("Failed compilation: " + methodName + ": " + e);
	}

	// Ignore some exceptions when meta-compiling Graal.
	if (GraalFilters.shouldIgnoreException(e)) {
	return;
	}

	LogPrinter.writeLog("Failed compilation of method " + methodName + message);

	if (!options.debug) {
	printer.printError("Failed compilation: " + methodName + ": " + e);
	}

	if (options.verbose) {
	e.printStackTrace(log);
	}

	if (options.exitOnError) {
	System.exit(1);
	}
	}

	void warning(String key, Object... args) {
	log.println("Warning: " + MessageFormat.format(key, args));
	log.flush();
	}

	private void showUsage() {
	log.println("Usage: " + PROGNAME + " <options> list");
	log.println("use --help for a list of possible options");
	log.flush();
	}

	private void showHelp() {
	log.println("Usage: " + PROGNAME + " <options> list");
	log.println();
	log.println(" list A : separated list of class names, modules, jar files");
	log.println(" or directories which contain class files.");
	log.println();
	log.println("where options include:");
	for (Option o : Options.recognizedOptions) {
	String name = o.aliases[0].substring(1); // there must always be at least one name
	name = name.charAt(0) == '-' ? name.substring(1) : name;
	if (o.isHidden() \|\| name.equals("h")) {
	continue;
	}
	log.println(o.help);
	}
	log.flush();
	}

	private void showVersion() {
	log.println(PROGNAME + " " + JVM_VERSION);
	}
	}