1 /*
   2  * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 
  25 
  26 package jdk.tools.jaotc;
  27 
  28 import static org.graalvm.compiler.core.common.GraalOptions.GeneratePIC;
  29 import static org.graalvm.compiler.core.common.GraalOptions.ImmutableCode;
  30 import static org.graalvm.compiler.hotspot.meta.HotSpotAOTProfilingPlugin.Options.TieredAOT;
  31 
  32 import java.io.IOException;
  33 import java.io.PrintWriter;
  34 import java.text.MessageFormat;
  35 import java.util.ArrayList;
  36 import java.util.Collections;
  37 import java.util.List;
  38 import java.util.ListIterator;
  39 import java.util.Set;
  40 import java.util.StringTokenizer;
  41 import java.util.stream.Stream;
  42 import java.nio.file.Files;
  43 import java.nio.file.Paths;
  44 
  45 import org.graalvm.compiler.api.replacements.SnippetReflectionProvider;
  46 import org.graalvm.compiler.api.runtime.GraalJVMCICompiler;
  47 import org.graalvm.compiler.debug.DebugContext;
  48 import org.graalvm.compiler.debug.DebugContext.Activation;
  49 import org.graalvm.compiler.hotspot.CompilerConfigurationFactory;
  50 import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
  51 import org.graalvm.compiler.hotspot.HotSpotGraalCompilerFactory;
  52 import org.graalvm.compiler.hotspot.HotSpotGraalOptionValues;
  53 import org.graalvm.compiler.hotspot.HotSpotGraalRuntime;
  54 import org.graalvm.compiler.hotspot.HotSpotHostBackend;
  55 import org.graalvm.compiler.hotspot.meta.HotSpotInvokeDynamicPlugin;
  56 import org.graalvm.compiler.java.GraphBuilderPhase;
  57 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration;
  58 import org.graalvm.compiler.options.OptionValues;
  59 import org.graalvm.compiler.phases.BasePhase;
  60 import org.graalvm.compiler.phases.PhaseSuite;
  61 import org.graalvm.compiler.phases.tiers.HighTierContext;
  62 import org.graalvm.compiler.printer.GraalDebugHandlersFactory;
  63 import org.graalvm.compiler.runtime.RuntimeProvider;
  64 
  65 import jdk.tools.jaotc.Options.Option;
  66 import jdk.tools.jaotc.binformat.BinaryContainer;
  67 import jdk.vm.ci.meta.MetaAccessProvider;
  68 import jdk.vm.ci.meta.ResolvedJavaMethod;
  69 import jdk.vm.ci.runtime.JVMCI;
  70 
  71 public final class Main {
  72 
  73     final Options options = new Options();
  74     private PrintWriter log;
  75     LogPrinter printer;
  76     GraalFilters filters;
  77 
  78     private static final int EXIT_OK = 0;        // No errors.
  79     private static final int EXIT_CMDERR = 2;    // Bad command-line arguments and/or switches.
  80     private static final int EXIT_ABNORMAL = 4;  // Terminated abnormally.
  81 
  82     private static final String PROGNAME = "jaotc";
  83 
  84     private static final String JVM_VERSION = System.getProperty("java.runtime.version");
  85 
  86     public static void main(String[] args) throws Exception {
  87         Main t = new Main();
  88         final int exitCode = t.run(parse(args));
  89         System.exit(exitCode);
  90     }
  91 
  92     /**
  93      * Expands '@file' in command line arguments by replacing '@file' with the content of 'file'
  94      * parsed by StringTokenizer. '@' character can be quoted as '@@'.
  95      */
  96     private static String[] parse(String[] args) throws IOException {
  97         List<String> result = new ArrayList<>();
  98         for (String arg : args) {
  99             if (arg.length() > 1 && arg.charAt(0) == '@') {
 100                 String v = arg.substring(1);
 101                 if (v.charAt(0) == '@') {
 102                     result.add(v);
 103                 } else {
 104                     try (Stream<String> file = Files.lines(Paths.get(v))) {
 105                         file.map(StringTokenizer::new).map(Collections::list).flatMap(l -> l.stream().map(o -> (String) o)).forEachOrdered(result::add);
 106                     }
 107                 }
 108             } else {
 109                 result.add(arg);
 110             }
 111         }
 112         return result.toArray(String[]::new);
 113     }
 114 
 115     private int run(String[] args) {
 116         log = new PrintWriter(System.out);
 117         printer = new LogPrinter(this, log);
 118 
 119         try {
 120             Options.handleOptions(this, args);
 121             if (options.help) {
 122                 showHelp();
 123                 return EXIT_OK;
 124             }
 125             if (options.version) {
 126                 showVersion();
 127                 return EXIT_OK;
 128             }
 129 
 130             printer.printlnInfo("Compiling " + options.outputName + "...");
 131             final long start = System.currentTimeMillis();
 132             if (!run()) {
 133                 return EXIT_ABNORMAL;
 134             }
 135             final long end = System.currentTimeMillis();
 136             printer.printlnInfo("Total time: " + (end - start) + " ms");
 137 
 138             return EXIT_OK;
 139         } catch (Options.BadArgs e) {
 140             printer.reportError(e.key, e.args);
 141             if (e.showUsage) {
 142                 showUsage();
 143             }
 144             return EXIT_CMDERR;
 145         } catch (Exception e) {
 146             e.printStackTrace();
 147             return EXIT_ABNORMAL;
 148         } finally {
 149             log.flush();
 150         }
 151     }
 152 
 153     @SuppressWarnings("try")
 154     private boolean run() throws Exception {
 155         LogPrinter.openLog();
 156 
 157         try {
 158 
 159             final Linker linker = new Linker(this);
 160             final String objectFileName = linker.objFile();
 161             final Collector collector = new Collector(this);
 162             Set<Class<?>> classesToCompile;
 163 
 164             try (Timer t = new Timer(this, "")) {
 165                 classesToCompile = collector.collectClassesToCompile();
 166                 printer.printInfo(classesToCompile.size() + " classes found");
 167             }
 168 
 169             OptionValues graalOptions = HotSpotGraalOptionValues.HOTSPOT_OPTIONS;
 170             // Setting -Dgraal.TieredAOT overrides --compile-for-tiered
 171             if (!TieredAOT.hasBeenSet(graalOptions)) {
 172                 graalOptions = new OptionValues(graalOptions, TieredAOT, options.tiered);
 173             }
 174             graalOptions = new OptionValues(graalOptions, GeneratePIC, true, ImmutableCode, true);
 175             GraalJVMCICompiler graalCompiler = HotSpotGraalCompilerFactory.createCompiler("JAOTC", JVMCI.getRuntime(), graalOptions, CompilerConfigurationFactory.selectFactory(null, graalOptions));
 176             HotSpotGraalRuntime runtime = (HotSpotGraalRuntime) graalCompiler.getGraalRuntime();
 177             HotSpotHostBackend backend = (HotSpotHostBackend) runtime.getCapability(RuntimeProvider.class).getHostBackend();
 178             MetaAccessProvider metaAccess = backend.getProviders().getMetaAccess();
 179             filters = new GraalFilters(metaAccess);
 180 
 181             List<AOTCompiledClass> classes;
 182 
 183             try (Timer t = new Timer(this, "")) {
 184                 classes = collector.collectMethodsToCompile(classesToCompile, metaAccess);
 185             }
 186 
 187             // Free memory!
 188             try (Timer t = options.verbose ? new Timer(this, "Freeing memory") : null) {
 189                 printer.printMemoryUsage();
 190                 classesToCompile = null;
 191                 System.gc();
 192             }
 193 
 194             AOTDynamicTypeStore dynoStore = new AOTDynamicTypeStore();
 195             AOTCompiledClass.setDynamicTypeStore(dynoStore);
 196 
 197             AOTBackend aotBackend = new AOTBackend(this, graalOptions, backend, new HotSpotInvokeDynamicPlugin(dynoStore));
 198             SnippetReflectionProvider snippetReflection = aotBackend.getProviders().getSnippetReflection();
 199             AOTCompiler compiler = new AOTCompiler(this, graalOptions, aotBackend, options.threads);
 200             classes = compiler.compileClasses(classes);
 201 
 202             GraalHotSpotVMConfig graalHotSpotVMConfig = runtime.getVMConfig();
 203             PhaseSuite<HighTierContext> graphBuilderSuite = aotBackend.getGraphBuilderSuite();
 204             ListIterator<BasePhase<? super HighTierContext>> iterator = graphBuilderSuite.findPhase(GraphBuilderPhase.class);
 205             GraphBuilderConfiguration graphBuilderConfig = ((GraphBuilderPhase) iterator.previous()).getGraphBuilderConfig();
 206 
 207             // Free memory!
 208             try (Timer t = options.verbose ? new Timer(this, "Freeing memory") : null) {
 209                 printer.printMemoryUsage();
 210                 aotBackend = null;
 211                 compiler = null;
 212                 System.gc();
 213             }
 214 
 215             int gc = runtime.getGarbageCollector().ordinal() + 1;
 216             BinaryContainer binaryContainer = new BinaryContainer(graalOptions, graalHotSpotVMConfig, graphBuilderConfig, gc, JVM_VERSION);
 217             DataBuilder dataBuilder = new DataBuilder(this, backend, classes, binaryContainer);
 218 
 219             try (DebugContext debug = DebugContext.create(graalOptions, new GraalDebugHandlersFactory(snippetReflection)); Activation a = debug.activate()) {
 220                 dataBuilder.prepareData(debug);
 221             }
 222 
 223             // Print information about section sizes
 224             printer.containersInfo(binaryContainer);
 225 
 226             // Free memory!
 227             try (Timer t = options.verbose ? new Timer(this, "Freeing memory") : null) {
 228                 printer.printMemoryUsage();
 229                 backend = null;
 230                 for (AOTCompiledClass aotCompClass : classes) {
 231                     aotCompClass.clear();
 232                 }
 233                 classes.clear();
 234                 classes = null;
 235                 dataBuilder = null;
 236                 binaryContainer.freeMemory();
 237                 System.gc();
 238             }
 239 
 240             try (Timer t = new Timer(this, "Creating binary: " + objectFileName)) {
 241                 binaryContainer.createBinary(objectFileName);
 242             }
 243 
 244             // Free memory!
 245             try (Timer t = options.verbose ? new Timer(this, "Freeing memory") : null) {
 246                 printer.printMemoryUsage();
 247                 binaryContainer = null;
 248                 System.gc();
 249             }
 250 
 251             try (Timer t = new Timer(this, "Creating shared library: " + linker.libFile())) {
 252                 linker.link();
 253             }
 254 
 255             printer.printVerbose("Final memory  ");
 256             printer.printMemoryUsage();
 257             printer.printlnVerbose("");
 258 
 259         } finally {
 260             LogPrinter.closeLog();
 261         }
 262         return true;
 263     }
 264 
 265     void handleError(ResolvedJavaMethod resolvedMethod, Throwable e, String message) {
 266         String methodName = JavaMethodInfo.uniqueMethodName(resolvedMethod);
 267 
 268         if (options.debug) {
 269             printer.printError("Failed compilation: " + methodName + ": " + e);
 270         }
 271 
 272         // Ignore some exceptions when meta-compiling Graal.
 273         if (GraalFilters.shouldIgnoreException(e)) {
 274             return;
 275         }
 276 
 277         LogPrinter.writeLog("Failed compilation of method " + methodName + message);
 278 
 279         if (!options.debug) {
 280             printer.printError("Failed compilation: " + methodName + ": " + e);
 281         }
 282 
 283         if (options.verbose) {
 284             e.printStackTrace(log);
 285         }
 286 
 287         if (options.exitOnError) {
 288             System.exit(1);
 289         }
 290     }
 291 
 292     void warning(String key, Object... args) {
 293         log.println("Warning: " + MessageFormat.format(key, args));
 294         log.flush();
 295     }
 296 
 297     private void showUsage() {
 298         log.println("Usage: " + PROGNAME + " <options> list");
 299         log.println("use --help for a list of possible options");
 300         log.flush();
 301     }
 302 
 303     private void showHelp() {
 304         log.println("Usage: " + PROGNAME + " <options> list");
 305         log.println();
 306         log.println("  list       A : separated list of class names, modules, jar files");
 307         log.println("             or directories which contain class files.");
 308         log.println();
 309         log.println("where options include:");
 310         for (Option o : Options.recognizedOptions) {
 311             String name = o.aliases[0].substring(1); // there must always be at least one name
 312             name = name.charAt(0) == '-' ? name.substring(1) : name;
 313             if (o.isHidden() || name.equals("h")) {
 314                 continue;
 315             }
 316             log.println(o.help);
 317         }
 318         log.flush();
 319     }
 320 
 321     private void showVersion() {
 322         log.println(PROGNAME + " " + JVM_VERSION);
 323     }
 324 }