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1 /*
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2 * Copyright 2003-2005 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 import sun.jvm.hotspot.tools.*;
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26 import sun.jvm.hotspot.runtime.*;
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27 import java.io.*;
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28 import java.util.*;
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29 import java.util.jar.*;
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30
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31 /**
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32 This is a sanity checking tool for Serviceability Agent. To use this class,
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33 refer to sasanity.sh script in the current directory.
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34 */
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35
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36 public class SASanityChecker extends Tool {
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37 private static final String saJarName;
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38 private static final Map c2types;
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39
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40 static {
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41 saJarName = System.getProperty("SASanityChecker.SAJarName", "sa-jdi.jar");
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42 c2types = new HashMap();
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43 Object value = new Object();
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44 c2types.put("sun.jvm.hotspot.code.ExceptionBlob", value);
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45 c2types.put("sun.jvm.hotspot.code.DeoptimizationBlob", value);
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46 c2types.put("sun.jvm.hotspot.code.UncommonTrapBlob", value);
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47
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48 }
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49
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50 public void run() {
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51 String classPath = System.getProperty("java.class.path");
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52 StringTokenizer st = new StringTokenizer(classPath, File.pathSeparator);
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53 String saJarPath = null;
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54 while (st.hasMoreTokens()) {
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55 saJarPath = st.nextToken();
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56 if (saJarPath.endsWith(saJarName)) {
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57 break;
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58 }
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59 }
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60
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61 if (saJarPath == null) {
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62 throw new RuntimeException(saJarName + " is not the CLASSPATH");
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63 }
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64
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65 String cpuDot = "." + VM.getVM().getCPU() + ".";
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66 String platformDot = "." + VM.getVM().getOS() + "_" + VM.getVM().getCPU() + ".";
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67 boolean isClient = VM.getVM().isClientCompiler();
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68
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69 try {
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70 FileInputStream fis = new FileInputStream(saJarPath);
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71 JarInputStream jis = new JarInputStream(fis);
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72 JarEntry je = null;
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73 while ( (je = jis.getNextJarEntry()) != null) {
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74 String entryName = je.getName();
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75 int dotClassIndex = entryName.indexOf(".class");
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76 if (dotClassIndex == -1) {
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77 // skip non-.class stuff
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78 continue;
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79 }
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80
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81 entryName = entryName.substring(0, dotClassIndex).replace('/', '.');
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82
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83 // skip debugger, asm classes, type classes and jdi binding classes
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84 if (entryName.startsWith("sun.jvm.hotspot.debugger.") ||
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85 entryName.startsWith("sun.jvm.hotspot.asm.") ||
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86 entryName.startsWith("sun.jvm.hotspot.type.") ||
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87 entryName.startsWith("sun.jvm.hotspot.jdi.") ) {
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88 continue;
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89 }
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90
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91 String runtimePkgPrefix = "sun.jvm.hotspot.runtime.";
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92 int runtimeIndex = entryName.indexOf(runtimePkgPrefix);
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93 if (runtimeIndex != -1) {
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94 // look for further dot. if there, it has to be sub-package.
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95 // in runtime sub-packages include only current platform classes.
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96 if (entryName.substring(runtimePkgPrefix.length() + 1, entryName.length()).indexOf('.') != -1) {
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97 if (entryName.indexOf(cpuDot) == -1 &&
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98 entryName.indexOf(platformDot) == -1) {
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99 continue;
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100 }
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101 }
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102 }
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103
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104 if (isClient) {
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105 if (c2types.get(entryName) != null) {
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106 continue;
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107 }
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108 } else {
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109 if (entryName.equals("sun.jvm.hotspot.c1.Runtime1")) {
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110 continue;
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111 }
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112 }
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113
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114 System.out.println("checking " + entryName + " ..");
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115 // force init of the class to uncover any vmStructs mismatch
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116 Class.forName(entryName);
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117 }
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118 } catch (Exception exp) {
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119 System.out.println();
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120 System.out.println("FAILED");
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121 System.out.println();
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122 throw new RuntimeException(exp.getMessage());
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123 }
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124 System.out.println();
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125 System.out.println("PASSED");
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126 System.out.println();
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127 }
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128
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129 public static void main(String[] args) {
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130 SASanityChecker checker = new SASanityChecker();
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131 checker.start(args);
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132 checker.stop();
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133 }
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134 }
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