Mercurial > hg > truffle
annotate graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/CompileTheWorld.java @ 13366:1480cfe97462
CTWCompilationTask should not be removed from compilation queue
| author | Doug Simon <doug.simon@oracle.com> |
|---|---|
| date | Tue, 17 Dec 2013 18:14:02 +0100 |
| parents | bfc5acea3c12 |
| children | 4db09b7304da |
| 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.CompileTheWorld.Options.*; |
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26 import static com.oracle.graal.hotspot.HotSpotGraalRuntime.*; |
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27 import static com.oracle.graal.nodes.StructuredGraph.*; |
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28 import static com.oracle.graal.phases.GraalOptions.*; |
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29 |
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30 import java.io.*; |
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31 import java.lang.reflect.*; |
| 9108 | 32 import java.net.*; |
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33 import java.util.*; |
| 9108 | 34 import java.util.jar.*; |
| 35 | |
| 36 import com.oracle.graal.api.meta.*; | |
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37 import com.oracle.graal.api.meta.ProfilingInfo.TriState; |
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38 import com.oracle.graal.bytecode.*; |
| 9108 | 39 import com.oracle.graal.debug.*; |
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40 import com.oracle.graal.graph.*; |
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41 import com.oracle.graal.hotspot.HotSpotOptions.OptionConsumer; |
| 9108 | 42 import com.oracle.graal.hotspot.bridge.*; |
| 43 import com.oracle.graal.hotspot.meta.*; | |
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44 import com.oracle.graal.options.*; |
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45 import com.oracle.graal.options.OptionValue.OverrideScope; |
| 9108 | 46 import com.oracle.graal.phases.*; |
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47 import com.oracle.graal.phases.tiers.*; |
| 9108 | 48 import com.oracle.graal.replacements.*; |
| 49 | |
| 50 /** | |
| 51 * This class implements compile-the-world functionality in Graal. | |
| 52 */ | |
| 53 public final class CompileTheWorld { | |
| 54 | |
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55 /** |
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56 * Magic token to trigger reading files from the boot class path. |
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57 */ |
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58 public static final String SUN_BOOT_CLASS_PATH = "sun.boot.class.path"; |
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59 |
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60 public static class Options { |
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61 // @formatter:off |
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62 @Option(help = "Compile all methods in all classes on given class path") |
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63 public static final OptionValue<String> CompileTheWorldClasspath = new OptionValue<>(SUN_BOOT_CLASS_PATH); |
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64 @Option(help = "Verbose CompileTheWorld operation") |
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65 public static final OptionValue<Boolean> CompileTheWorldVerbose = new OptionValue<>(true); |
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66 @Option(help = "The number of CompileTheWorld iterations to perform") |
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67 public static final OptionValue<Integer> CompileTheWorldIterations = new OptionValue<>(1); |
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68 @Option(help = "First class to consider when using -XX:+CompileTheWorld") |
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69 public static final OptionValue<Integer> CompileTheWorldStartAt = new OptionValue<>(1); |
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70 @Option(help = "Last class to consider when using -XX:+CompileTheWorld") |
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71 public static final OptionValue<Integer> CompileTheWorldStopAt = new OptionValue<>(Integer.MAX_VALUE); |
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72 @Option(help = "Option value overrides to use during compile the world. For example, " + |
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73 "to disable inlining and partial escape analysis specify '-PartialEscapeAnalysis -Inline'. " + |
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74 "The format for each option is the same as on the command line just without the '-G:' prefix.") |
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75 public static final OptionValue<String> CompileTheWorldConfig = new OptionValue<>(null); |
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76 // @formatter:on |
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77 |
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78 /** |
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79 * Overrides {@link #CompileTheWorldStartAt} and {@link #CompileTheWorldStopAt} from |
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80 * {@code -XX} HotSpot options of the same name if the latter have non-default values. |
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81 */ |
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82 static void overrideWithNativeOptions(HotSpotVMConfig c) { |
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83 if (c.compileTheWorldStartAt != 1) { |
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84 CompileTheWorldStartAt.setValue(c.compileTheWorldStartAt); |
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85 } |
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86 if (c.compileTheWorldStopAt != Integer.MAX_VALUE) { |
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87 CompileTheWorldStopAt.setValue(c.compileTheWorldStopAt); |
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88 } |
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89 } |
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90 } |
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91 |
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92 /** |
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93 * A mechanism for overriding Graal options that effect compilation. A {@link Config} object |
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94 * should be used in a try-with-resources statement to ensure overriding of options is scoped |
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95 * properly. For example: |
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96 * |
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97 * <pre> |
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98 * Config config = ...; |
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99 * try (AutoCloseable s = config == null ? null : config.apply()) { |
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100 * // perform a Graal compilation |
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101 * } |
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102 * </pre> |
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103 */ |
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104 @SuppressWarnings("serial") |
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105 public static class Config extends HashMap<OptionValue<?>, Object> implements AutoCloseable, OptionConsumer { |
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106 OverrideScope scope; |
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107 |
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108 /** |
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109 * Creates a {@link Config} object by parsing a set of space separated override options. |
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110 * |
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111 * @param options a space separated set of option value settings with each option setting in |
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112 * a format compatible with |
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113 * {@link HotSpotOptions#parseOption(String, OptionConsumer)}. Ignored if null. |
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114 */ |
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115 public Config(String options) { |
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116 if (options != null) { |
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117 for (String option : options.split("\\s+")) { |
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118 if (!HotSpotOptions.parseOption(option, this)) { |
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119 throw new GraalInternalError("Invalid option specified: %s", option); |
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120 } |
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121 } |
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122 } |
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123 } |
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124 |
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125 /** |
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126 * Applies the overrides represented by this object. The overrides are in effect until |
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127 * {@link #close()} is called on this object. |
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128 */ |
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129 Config apply() { |
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130 assert scope == null; |
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131 scope = OptionValue.override(this); |
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132 return this; |
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133 } |
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134 |
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135 public void close() { |
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136 assert scope != null; |
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137 scope.close(); |
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138 |
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139 scope = null; |
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140 |
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141 } |
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142 |
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143 public void set(OptionDescriptor desc, Object value) { |
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144 put(desc.getOptionValue(), value); |
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145 } |
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146 } |
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147 |
| 9108 | 148 // Some runtime instances we need. |
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149 private final HotSpotGraalRuntime runtime = runtime(); |
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150 private final VMToCompilerImpl vmToCompiler = (VMToCompilerImpl) runtime.getVMToCompiler(); |
| 9108 | 151 |
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152 /** List of Zip/Jar files to compile (see {@link #CompileTheWorldClasspath}. */ |
| 9108 | 153 private final String files; |
| 154 | |
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155 /** Class index to start compilation at (see {@link #CompileTheWorldStartAt}. */ |
| 9108 | 156 private final int startAt; |
| 157 | |
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158 /** Class index to stop compilation at (see {@link #CompileTheWorldStopAt}. */ |
| 9108 | 159 private final int stopAt; |
| 160 | |
| 161 // Counters | |
| 162 private int classFileCounter = 0; | |
| 163 private int compiledMethodsCounter = 0; | |
| 164 private long compileTime = 0; | |
| 165 | |
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166 private boolean verbose; |
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167 private final Config config; |
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168 |
| 9108 | 169 /** |
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170 * Creates a compile-the-world instance. |
| 9108 | 171 * |
| 172 * @param files {@link File#pathSeparator} separated list of Zip/Jar files to compile | |
| 173 * @param startAt index of the class file to start compilation at | |
| 174 * @param stopAt index of the class file to stop compilation at | |
| 175 */ | |
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176 public CompileTheWorld(String files, Config config, int startAt, int stopAt, boolean verbose) { |
| 9108 | 177 this.files = files; |
| 178 this.startAt = startAt; | |
| 179 this.stopAt = stopAt; | |
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180 this.verbose = verbose; |
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181 this.config = config; |
| 9108 | 182 |
| 13113 | 183 // We don't want the VM to exit when a method fails to compile... |
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184 config.put(ExitVMOnException, false); |
| 13113 | 185 |
| 186 // ...but we want to see exceptions. | |
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187 config.put(PrintBailout, true); |
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188 config.put(PrintStackTraceOnException, true); |
| 9108 | 189 } |
| 190 | |
| 191 /** | |
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192 * Compiles all methods in all classes in the Zip/Jar archive files in |
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193 * {@link #CompileTheWorldClasspath}. If {@link #CompileTheWorldClasspath} contains the magic |
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194 * token {@link #SUN_BOOT_CLASS_PATH} passed up from HotSpot we take the files from the boot |
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195 * class path. |
| 9108 | 196 */ |
| 197 public void compile() throws Throwable { | |
| 198 if (SUN_BOOT_CLASS_PATH.equals(files)) { | |
| 199 final String[] entries = System.getProperty(SUN_BOOT_CLASS_PATH).split(File.pathSeparator); | |
| 200 String bcpFiles = ""; | |
| 201 for (int i = 0; i < entries.length; i++) { | |
| 202 final String entry = entries[i]; | |
| 203 | |
| 204 // We stop at rt.jar, unless it is the first boot class path entry. | |
| 205 if (entry.endsWith("rt.jar") && (i > 0)) { | |
| 206 break; | |
| 207 } | |
| 208 if (i > 0) { | |
| 209 bcpFiles += File.pathSeparator; | |
| 210 } | |
| 211 bcpFiles += entry; | |
| 212 } | |
| 213 compile(bcpFiles); | |
| 214 } else { | |
| 215 compile(files); | |
| 216 } | |
| 217 } | |
| 218 | |
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219 public void println() { |
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220 println(""); |
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221 } |
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222 |
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223 public void println(String format, Object... args) { |
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224 println(String.format(format, args)); |
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225 } |
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226 |
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227 public void println(String s) { |
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228 if (verbose) { |
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229 TTY.println(s); |
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230 } |
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231 } |
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232 |
| 9108 | 233 /** |
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234 * Compiles all methods in all classes in the Zip/Jar files passed. |
| 9108 | 235 * |
| 236 * @param fileList {@link File#pathSeparator} separated list of Zip/Jar files to compile | |
| 237 * @throws Throwable | |
| 238 */ | |
| 239 private void compile(String fileList) throws Throwable { | |
| 240 final String[] entries = fileList.split(File.pathSeparator); | |
| 241 | |
| 242 for (int i = 0; i < entries.length; i++) { | |
| 243 final String entry = entries[i]; | |
| 244 | |
| 245 // For now we only compile all methods in all classes in zip/jar files. | |
| 246 if (!entry.endsWith(".zip") && !entry.endsWith(".jar")) { | |
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247 println("CompileTheWorld : Skipped classes in " + entry); |
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248 println(); |
| 9108 | 249 continue; |
| 250 } | |
| 251 | |
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252 println("CompileTheWorld : Compiling all classes in " + entry); |
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253 println(); |
| 9108 | 254 |
| 255 URL url = new URL("jar", "", "file:" + entry + "!/"); | |
| 256 ClassLoader loader = new URLClassLoader(new URL[]{url}); | |
| 257 | |
| 258 JarFile jarFile = new JarFile(entry); | |
| 259 Enumeration<JarEntry> e = jarFile.entries(); | |
| 260 | |
| 261 while (e.hasMoreElements()) { | |
| 262 JarEntry je = e.nextElement(); | |
| 263 if (je.isDirectory() || !je.getName().endsWith(".class")) { | |
| 264 continue; | |
| 265 } | |
| 266 | |
| 267 // Are we done? | |
| 268 if (classFileCounter >= stopAt) { | |
| 269 break; | |
| 270 } | |
| 271 | |
| 272 String className = je.getName().substring(0, je.getName().length() - ".class".length()); | |
| 273 classFileCounter++; | |
| 274 | |
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275 try (AutoCloseable s = config == null ? null : config.apply()) { |
| 9108 | 276 // Load and initialize class |
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277 Class<?> javaClass = Class.forName(className.replace('/', '.'), true, loader); |
| 9108 | 278 |
| 279 // Pre-load all classes in the constant pool. | |
| 280 try { | |
| 281 HotSpotResolvedObjectType objectType = (HotSpotResolvedObjectType) HotSpotResolvedObjectType.fromClass(javaClass); | |
| 282 ConstantPool constantPool = objectType.constantPool(); | |
| 283 for (int cpi = 1; cpi < constantPool.length(); cpi++) { | |
| 284 constantPool.loadReferencedType(cpi, Bytecodes.LDC); | |
| 285 } | |
| 286 } catch (Throwable t) { | |
| 287 // If something went wrong during pre-loading we just ignore it. | |
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288 println("Preloading failed for (%d) %s", classFileCounter, className); |
| 9108 | 289 } |
| 290 | |
| 291 // Are we compiling this class? | |
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292 HotSpotMetaAccessProvider metaAccess = runtime.getHostProviders().getMetaAccess(); |
| 9108 | 293 if (classFileCounter >= startAt) { |
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294 println("CompileTheWorld (%d) : %s", classFileCounter, className); |
| 9108 | 295 |
| 296 // Enqueue each constructor/method in the class for compilation. | |
| 297 for (Constructor<?> constructor : javaClass.getDeclaredConstructors()) { | |
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298 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaConstructor(constructor); |
| 9108 | 299 if (canBeCompiled(javaMethod, constructor.getModifiers())) { |
| 300 compileMethod(javaMethod); | |
| 301 } | |
| 302 } | |
| 303 for (Method method : javaClass.getDeclaredMethods()) { | |
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304 HotSpotResolvedJavaMethod javaMethod = (HotSpotResolvedJavaMethod) metaAccess.lookupJavaMethod(method); |
| 9108 | 305 if (canBeCompiled(javaMethod, method.getModifiers())) { |
| 306 compileMethod(javaMethod); | |
| 307 } | |
| 308 } | |
| 309 } | |
| 310 } catch (Throwable t) { | |
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311 println("CompileTheWorld (%d) : Skipping %s", classFileCounter, className); |
| 9108 | 312 } |
| 313 } | |
| 314 jarFile.close(); | |
| 315 } | |
| 316 | |
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317 println(); |
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318 TTY.println("CompileTheWorld : Done (%d classes, %d methods, %d ms)", classFileCounter, compiledMethodsCounter, compileTime); |
| 9108 | 319 } |
| 320 | |
| 321 /** | |
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322 * A compilation task that creates a fresh compilation suite for its compilation. This is |
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323 * required so that a CTW compilation can be {@linkplain Config configured} differently from a |
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324 * VM triggered compilation. |
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325 */ |
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326 static class CTWCompilationTask extends CompilationTask { |
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327 |
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328 CTWCompilationTask(HotSpotBackend backend, PhasePlan plan, OptimisticOptimizations optimisticOpts, ProfilingInfo profilingInfo, HotSpotResolvedJavaMethod method, int entryBCI, int id) { |
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329 super(backend, plan, optimisticOpts, profilingInfo, method, entryBCI, id); |
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330 } |
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331 |
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332 @Override |
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333 protected Suites getSuites(HotSpotProviders providers) { |
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334 return providers.getSuites().createSuites(); |
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335 } |
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336 } |
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337 |
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338 /** |
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339 * Compiles a method and gathers some statistics. |
| 9108 | 340 */ |
| 341 private void compileMethod(HotSpotResolvedJavaMethod method) { | |
| 342 try { | |
| 343 long start = System.currentTimeMillis(); | |
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344 |
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345 // Be optimistic and return false for exceptionSeen. |
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346 final ProfilingInfo profilingInfo = DefaultProfilingInfo.get(TriState.FALSE); |
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347 final OptimisticOptimizations optimisticOpts = new OptimisticOptimizations(profilingInfo); |
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348 int id = vmToCompiler.allocateCompileTaskId(); |
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349 HotSpotBackend backend = runtime.getHostBackend(); |
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350 PhasePlan phasePlan = vmToCompiler.createPhasePlan(backend.getProviders(), optimisticOpts, false); |
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351 CompilationTask task = new CTWCompilationTask(backend, phasePlan, optimisticOpts, profilingInfo, method, INVOCATION_ENTRY_BCI, id); |
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352 task.runCompilation(false); |
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353 |
| 9108 | 354 compileTime += (System.currentTimeMillis() - start); |
| 355 compiledMethodsCounter++; | |
| 356 method.reprofile(); // makes the method also not-entrant | |
| 357 } catch (Throwable t) { | |
| 358 // Catch everything and print a message | |
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359 println("CompileTheWorldClasspath (%d) : Error compiling method: %s", classFileCounter, MetaUtil.format("%H.%n(%p):%r", method)); |
| 9108 | 360 t.printStackTrace(TTY.cachedOut); |
| 361 } | |
| 362 } | |
| 363 | |
| 364 /** | |
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365 * Determines if a method should be compiled (Cf. CompilationPolicy::can_be_compiled). |
| 9108 | 366 * |
| 367 * @return true if it can be compiled, false otherwise | |
| 368 */ | |
| 369 private static boolean canBeCompiled(HotSpotResolvedJavaMethod javaMethod, int modifiers) { | |
| 370 if (Modifier.isAbstract(modifiers) || Modifier.isNative(modifiers)) { | |
| 371 return false; | |
| 372 } | |
| 373 // This number is from HotSpot: | |
| 374 final int hugeMethodLimit = 8000; | |
| 375 if (javaMethod.getCodeSize() > hugeMethodLimit) { | |
| 376 return false; | |
| 377 } | |
| 378 // Skip @Snippets for now | |
| 379 if (javaMethod.getAnnotation(Snippet.class) != null) { | |
| 380 return false; | |
| 381 } | |
| 382 return true; | |
| 383 } | |
| 384 | |
| 385 } |