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annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/CompileTheWorld.java @ 12456:f87c68d79f07
improved support for co-existing, multiple backends (GRAAL-363)
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Thu, 17 Oct 2013 01:08:17 +0200 |
| parents | 7080a96be216 |
| children | e2933e3d4fb0 |
| rev | line source |
|---|---|
| 9108 | 1 /* |
| 2 * Copyright (c) 2013, 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 package com.oracle.graal.hotspot; | |
| 24 | |
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25 import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*; |
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26 import static com.oracle.graal.phases.GraalOptions.*; |
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27 |
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28 import java.io.*; |
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29 import java.lang.reflect.*; |
| 9108 | 30 import java.net.*; |
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31 import java.util.*; |
| 9108 | 32 import java.util.jar.*; |
| 33 | |
| 34 import com.oracle.graal.api.meta.*; | |
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35 import com.oracle.graal.bytecode.*; |
| 9108 | 36 import com.oracle.graal.debug.*; |
| 37 import com.oracle.graal.hotspot.bridge.*; | |
| 38 import com.oracle.graal.hotspot.meta.*; | |
| 39 import com.oracle.graal.nodes.*; | |
| 40 import com.oracle.graal.phases.*; | |
| 41 import com.oracle.graal.replacements.*; | |
| 42 | |
| 43 /** | |
| 44 * This class implements compile-the-world functionality in Graal. | |
| 45 */ | |
| 46 public final class CompileTheWorld { | |
| 47 | |
| 48 /** | |
| 49 * This is our magic token to trigger reading files from the boot class path. | |
| 50 */ | |
| 51 public static final String SUN_BOOT_CLASS_PATH = "sun.boot.class.path"; | |
| 52 | |
| 53 // Some runtime instances we need. | |
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54 private final HotSpotGraalRuntime runtime = runtime(); |
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55 private final VMToCompilerImpl vmToCompiler = (VMToCompilerImpl) runtime.getVMToCompiler(); |
| 9108 | 56 |
| 57 /** List of Zip/Jar files to compile (see {@link GraalOptions#CompileTheWorld}. */ | |
| 58 private final String files; | |
| 59 | |
| 60 /** Class index to start compilation at (see {@link GraalOptions#CompileTheWorldStartAt}. */ | |
| 61 private final int startAt; | |
| 62 | |
| 63 /** Class index to stop compilation at (see {@link GraalOptions#CompileTheWorldStopAt}. */ | |
| 64 private final int stopAt; | |
| 65 | |
| 66 // Counters | |
| 67 private int classFileCounter = 0; | |
| 68 private int compiledMethodsCounter = 0; | |
| 69 private long compileTime = 0; | |
| 70 | |
| 71 /** | |
| 72 * Create a compile-the-world instance with default values from | |
| 73 * {@link GraalOptions#CompileTheWorld}, {@link GraalOptions#CompileTheWorldStartAt} and | |
| 74 * {@link GraalOptions#CompileTheWorldStopAt}. | |
| 75 */ | |
| 76 public CompileTheWorld() { | |
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parents:
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changeset
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77 this(CompileTheWorld.getValue(), CompileTheWorldStartAt.getValue(), CompileTheWorldStopAt.getValue()); |
| 9108 | 78 } |
| 79 | |
| 80 /** | |
| 81 * Create a compile-the-world instance. | |
| 82 * | |
| 83 * @param files {@link File#pathSeparator} separated list of Zip/Jar files to compile | |
| 84 * @param startAt index of the class file to start compilation at | |
| 85 * @param stopAt index of the class file to stop compilation at | |
| 86 */ | |
| 87 public CompileTheWorld(String files, int startAt, int stopAt) { | |
| 88 this.files = files; | |
| 89 this.startAt = startAt; | |
| 90 this.stopAt = stopAt; | |
| 91 | |
| 92 // We don't want the VM to exit when a method fails to compile. | |
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converted remaining options in GraalOptions to new system (GRAAL-27)
Doug Simon <doug.simon@oracle.com>
parents:
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diff
changeset
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93 ExitVMOnException.setValue(false); |
| 9108 | 94 } |
| 95 | |
| 96 /** | |
| 97 * Compile all methods in all classes in the Zip/Jar files in | |
| 98 * {@link GraalOptions#CompileTheWorld}. If the GraalOptions.CompileTheWorld contains the magic | |
| 99 * token {@link CompileTheWorld#SUN_BOOT_CLASS_PATH} passed up from HotSpot we take the files | |
| 100 * from the boot class path. | |
| 101 * | |
| 102 * @throws Throwable | |
| 103 */ | |
| 104 public void compile() throws Throwable { | |
| 105 if (SUN_BOOT_CLASS_PATH.equals(files)) { | |
| 106 final String[] entries = System.getProperty(SUN_BOOT_CLASS_PATH).split(File.pathSeparator); | |
| 107 String bcpFiles = ""; | |
| 108 for (int i = 0; i < entries.length; i++) { | |
| 109 final String entry = entries[i]; | |
| 110 | |
| 111 // We stop at rt.jar, unless it is the first boot class path entry. | |
| 112 if (entry.endsWith("rt.jar") && (i > 0)) { | |
| 113 break; | |
| 114 } | |
| 115 if (i > 0) { | |
| 116 bcpFiles += File.pathSeparator; | |
| 117 } | |
| 118 bcpFiles += entry; | |
| 119 } | |
| 120 compile(bcpFiles); | |
| 121 } else { | |
| 122 compile(files); | |
| 123 } | |
| 124 } | |
| 125 | |
| 126 /** | |
| 127 * Compile all methods in all classes in the Zip/Jar files passed. | |
| 128 * | |
| 129 * @param fileList {@link File#pathSeparator} separated list of Zip/Jar files to compile | |
| 130 * @throws Throwable | |
| 131 */ | |
| 132 private void compile(String fileList) throws Throwable { | |
| 133 final String[] entries = fileList.split(File.pathSeparator); | |
| 134 | |
| 135 for (int i = 0; i < entries.length; i++) { | |
| 136 final String entry = entries[i]; | |
| 137 | |
| 138 // For now we only compile all methods in all classes in zip/jar files. | |
| 139 if (!entry.endsWith(".zip") && !entry.endsWith(".jar")) { | |
| 140 TTY.println("CompileTheWorld : Skipped classes in " + entry); | |
| 141 TTY.println(); | |
| 142 continue; | |
| 143 } | |
| 144 | |
| 145 TTY.println("CompileTheWorld : Compiling all classes in " + entry); | |
| 146 TTY.println(); | |
| 147 | |
| 148 URL url = new URL("jar", "", "file:" + entry + "!/"); | |
| 149 ClassLoader loader = new URLClassLoader(new URL[]{url}); | |
| 150 | |
| 151 JarFile jarFile = new JarFile(entry); | |
| 152 Enumeration<JarEntry> e = jarFile.entries(); | |
| 153 | |
| 154 while (e.hasMoreElements()) { | |
| 155 JarEntry je = e.nextElement(); | |
| 156 if (je.isDirectory() || !je.getName().endsWith(".class")) { | |
| 157 continue; | |
| 158 } | |
| 159 | |
| 160 // Are we done? | |
| 161 if (classFileCounter >= stopAt) { | |
| 162 break; | |
| 163 } | |
| 164 | |
| 165 String className = je.getName().substring(0, je.getName().length() - ".class".length()); | |
| 166 classFileCounter++; | |
| 167 | |
| 168 try { | |
| 169 // Load and initialize class | |
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parents:
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diff
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170 Class<?> javaClass = Class.forName(className.replace('/', '.'), true, loader); |
| 9108 | 171 |
| 172 // Pre-load all classes in the constant pool. | |
| 173 try { | |
| 174 HotSpotResolvedObjectType objectType = (HotSpotResolvedObjectType) HotSpotResolvedObjectType.fromClass(javaClass); | |
| 175 ConstantPool constantPool = objectType.constantPool(); | |
| 176 for (int cpi = 1; cpi < constantPool.length(); cpi++) { | |
| 177 constantPool.loadReferencedType(cpi, Bytecodes.LDC); | |
| 178 } | |
| 179 } catch (Throwable t) { | |
| 180 // If something went wrong during pre-loading we just ignore it. | |
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Bernhard Urban <bernhard.urban@jku.at>
parents:
10461
diff
changeset
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181 TTY.println("Preloading failed for (%d) %s", classFileCounter, className); |
| 9108 | 182 } |
| 183 | |
| 184 // Are we compiling this class? | |
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12456
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improved support for co-existing, multiple backends (GRAAL-363)
Doug Simon <doug.simon@oracle.com>
parents:
12431
diff
changeset
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185 HotSpotMetaAccessProvider metaAccess = runtime.getHostProviders().getMetaAccess(); |
| 9108 | 186 if (classFileCounter >= startAt) { |
| 187 TTY.println("CompileTheWorld (%d) : %s", classFileCounter, className); | |
| 188 | |
| 189 // Enqueue each constructor/method in the class for compilation. | |
| 190 for (Constructor<?> constructor : javaClass.getDeclaredConstructors()) { | |
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parents:
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diff
changeset
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191 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaConstructor(constructor); |
| 9108 | 192 if (canBeCompiled(javaMethod, constructor.getModifiers())) { |
| 193 compileMethod(javaMethod); | |
| 194 } | |
| 195 } | |
| 196 for (Method method : javaClass.getDeclaredMethods()) { | |
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parents:
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diff
changeset
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197 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(method); |
| 9108 | 198 if (canBeCompiled(javaMethod, method.getModifiers())) { |
| 199 compileMethod(javaMethod); | |
| 200 } | |
| 201 } | |
| 202 } | |
| 203 } catch (Throwable t) { | |
| 204 TTY.println("CompileTheWorld (%d) : Skipping %s", classFileCounter, className); | |
| 205 } | |
| 206 } | |
| 207 jarFile.close(); | |
| 208 } | |
| 209 | |
| 210 TTY.println(); | |
| 211 TTY.println("CompileTheWorld : Done (%d classes, %d methods, %d ms)", classFileCounter, compiledMethodsCounter, compileTime); | |
| 212 } | |
| 213 | |
| 214 /** | |
| 215 * Helper method to schedule a method for compilation and gather some statistics. | |
| 216 */ | |
| 217 private void compileMethod(HotSpotResolvedJavaMethod method) { | |
| 218 try { | |
| 219 long start = System.currentTimeMillis(); | |
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220 vmToCompiler.compileMethod(method, StructuredGraph.INVOCATION_ENTRY_BCI, true); |
| 9108 | 221 compileTime += (System.currentTimeMillis() - start); |
| 222 compiledMethodsCounter++; | |
| 223 method.reprofile(); // makes the method also not-entrant | |
| 224 } catch (Throwable t) { | |
| 225 // Catch everything and print a message | |
| 226 TTY.println("CompileTheWorld (%d) : Error compiling method: %s", classFileCounter, MetaUtil.format("%H.%n(%p):%r", method)); | |
| 227 t.printStackTrace(TTY.cachedOut); | |
| 228 } | |
| 229 } | |
| 230 | |
| 231 /** | |
| 232 * Helper method for CompileTheWorld to determine if a method should be compiled (Cf. | |
| 233 * CompilationPolicy::can_be_compiled). | |
| 234 * | |
| 235 * @return true if it can be compiled, false otherwise | |
| 236 */ | |
| 237 private static boolean canBeCompiled(HotSpotResolvedJavaMethod javaMethod, int modifiers) { | |
| 238 if (Modifier.isAbstract(modifiers) || Modifier.isNative(modifiers)) { | |
| 239 return false; | |
| 240 } | |
| 241 // This number is from HotSpot: | |
| 242 final int hugeMethodLimit = 8000; | |
| 243 if (javaMethod.getCodeSize() > hugeMethodLimit) { | |
| 244 return false; | |
| 245 } | |
| 246 // Skip @Snippets for now | |
| 247 if (javaMethod.getAnnotation(Snippet.class) != null) { | |
| 248 return false; | |
| 249 } | |
| 250 return true; | |
| 251 } | |
| 252 | |
| 253 } |