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annotate c1x4hotspotsrc/HotSpotVM/src/com/sun/hotspot/c1x/server/CompilationServer.java @ 2284:569d3fe7d65c

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non-static VMEntries and VMExits, CompilationServer simplifications
author Lukas Stadler <lukas.stadler@jku.at>
date Thu, 07 Apr 2011 15:32:25 +0200
parents 52bb06250d35
children 762de4b26788
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 /*
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2 * Copyright (c) 2010 Sun Microsystems, Inc. All rights reserved.
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3 *
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4 * Sun Microsystems, Inc. has intellectual property rights relating to technology embodied in the product
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5 * that is described in this document. In particular, and without limitation, these intellectual property
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6 * rights may include one or more of the U.S. patents listed at http://www.sun.com/patents and one or
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7 * more additional patents or pending patent applications in the U.S. and in other countries.
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8 *
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9 * U.S. Government Rights - Commercial software. Government users are subject to the Sun
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10 * Microsystems, Inc. standard license agreement and applicable provisions of the FAR and its
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11 * supplements.
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12 *
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13 * Use is subject to license terms. Sun, Sun Microsystems, the Sun logo, Java and Solaris are trademarks or
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14 * registered trademarks of Sun Microsystems, Inc. in the U.S. and other countries. All SPARC trademarks
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15 * are used under license and are trademarks or registered trademarks of SPARC International, Inc. in the
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16 * U.S. and other countries.
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17 *
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18 * UNIX is a registered trademark in the U.S. and other countries, exclusively licensed through X/Open
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19 * Company, Ltd.
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20 */
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21 package com.sun.hotspot.c1x.server;
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22
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23 import java.io.*;
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24 import java.lang.reflect.Proxy;
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25 import java.net.*;
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26 import java.rmi.registry.*;
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27
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28 import javax.net.*;
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29
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30 import com.sun.cri.ci.*;
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31 import com.sun.hotspot.c1x.*;
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32 import com.sun.hotspot.c1x.Compiler;
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33 import com.sun.hotspot.c1x.InvocationSocket.DelegateCallback;
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34 import com.sun.hotspot.c1x.logging.*;
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35
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36 /**
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37 * Server side of the client/server compilation model.
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38 *
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39 * @author Lukas Stadler
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40 */
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41 public class CompilationServer {
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42
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43 private Registry registry;
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44 private ServerSocket serverSocket;
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45 private Socket socket;
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46
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47 private ReplacingOutputStream output;
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48 private ReplacingInputStream input;
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49
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50
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51 public static void main(String[] args) throws Exception {
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52 new CompilationServer().run();
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53 }
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54
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55 public static class Container implements Serializable {
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56
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57 public final Class<?> clazz;
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58 public final Object[] values;
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59
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60 public Container(Class<?> clazz, Object... values) {
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61 this.clazz = clazz;
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62 this.values = values;
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63 }
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64 }
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65
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66 /**
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67 * Replaces certain cir objects that cannot easily be made Serializable.
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68 */
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69 public static class ReplacingOutputStream extends ObjectOutputStream {
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70
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71 public ReplacingOutputStream(OutputStream out) throws IOException {
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72 super(out);
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73 enableReplaceObject(true);
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74 }
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75
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76 @Override
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77 protected Object replaceObject(Object obj) throws IOException {
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78 Class<? extends Object> clazz = obj.getClass();
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79 if (clazz == CiConstant.class) {
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80 CiConstant o = (CiConstant) obj;
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81 return new Container(clazz, o.kind, o.boxedValue());
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82 } else if (obj == CiValue.IllegalValue) {
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83 return new Container(CiValue.class);
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84 } else if (obj instanceof Compiler) {
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85 return new Container(Compiler.class);
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86 }
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87 return obj;
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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 * Replaces certain cir objects that cannot easily be made Serializable.
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93 */
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94 public static class ReplacingInputStream extends ObjectInputStream {
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95 private Compiler compiler;
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96
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97 public ReplacingInputStream(InputStream in) throws IOException {
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98 super(in);
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99 enableResolveObject(true);
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100 }
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101
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102 public void setCompiler(Compiler compiler) {
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103 this.compiler = compiler;
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104 }
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105
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106 @Override
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107 protected Object resolveObject(Object obj) throws IOException {
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108 if (obj instanceof Container) {
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109 Container c = (Container) obj;
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110 if (c.clazz == CiConstant.class) {
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111 return CiConstant.forBoxed((CiKind) c.values[0], c.values[1]);
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112 } else if (c.clazz == CiValue.class) {
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113 return CiValue.IllegalValue;
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114 } else if (c.clazz == Compiler.class) {
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115 assert compiler != null;
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116 return compiler;
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117 }
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118 throw new RuntimeException("unexpected container class: " + c.clazz);
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119 }
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120 return obj;
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121 }
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122 }
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123
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124 private void run() throws IOException, ClassNotFoundException {
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125 serverSocket = ServerSocketFactory.getDefault().createServerSocket(1199);
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126 do {
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127 try {
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128 Logger.log("Compilation server ready, waiting for client to connect...");
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129 socket = serverSocket.accept();
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130 Logger.log("Connected to " + socket.getRemoteSocketAddress());
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131
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132 output = new ReplacingOutputStream(new BufferedOutputStream(socket.getOutputStream()));
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133 // required, because creating an ObjectOutputStream writes a header, but doesn't flush the stream
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134 output.flush();
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135 input = new ReplacingInputStream(new BufferedInputStream(socket.getInputStream()));
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136
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137 final InvocationSocket invocation = new InvocationSocket(output, input);
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138 invocation.setDelegateCallback( new DelegateCallback() {
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139 public Object getDelegate() {
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140 VMEntries entries = (VMEntries) Proxy.newProxyInstance(VMEntries.class.getClassLoader(), new Class<?>[] {VMEntries.class}, invocation);
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141 Compiler compiler = Compiler.initializeServer(entries);
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142 input.setCompiler(compiler);
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143 return compiler.getVMExits();
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144 }
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145 });
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146
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147 invocation.waitForResult();
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148 } catch (IOException e) {
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149 e.printStackTrace();
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150 socket.close();
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151 }
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152 } while (false);
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153 }
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154 }