1 /*

     2  * Copyright 2003-2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    24 

    25 import sun.jvm.hotspot.tools.*;

    26 import sun.jvm.hotspot.runtime.*;

    27 import java.io.*;

    28 import java.util.*;

    29 import java.util.jar.*;

    30 

    31 /**

    32 This is a sanity checking tool for Serviceability Agent. To use this class,

    33 refer to sasanity.sh script in the current directory.

    34 */

    35 

    36 public class SASanityChecker extends Tool {

    37   private static final String saJarName;

    38   private static final Map c2types;

    39 

    40   static {

    41      saJarName = System.getProperty("SASanityChecker.SAJarName", "sa-jdi.jar");

    42      c2types = new HashMap();

    43      Object value = new Object();

    44      c2types.put("sun.jvm.hotspot.code.ExceptionBlob", value);

    45      c2types.put("sun.jvm.hotspot.code.DeoptimizationBlob", value);

    46      c2types.put("sun.jvm.hotspot.code.UncommonTrapBlob", value);

    47 

    48   }

    49 

    50   public void run() {

    51      String classPath = System.getProperty("java.class.path");

    52      StringTokenizer st = new StringTokenizer(classPath, File.pathSeparator);

    53      String saJarPath = null;

    54      while (st.hasMoreTokens()) {

    55         saJarPath = st.nextToken();

    56         if (saJarPath.endsWith(saJarName)) {

    57            break;

    58         }

    59      }

    60 

    61      if (saJarPath == null) {

    62         throw new RuntimeException(saJarName + " is not the CLASSPATH");

    63      }

    64 

    65      String cpuDot = "." + VM.getVM().getCPU() + ".";

    66      String platformDot = "." + VM.getVM().getOS() + "_" + VM.getVM().getCPU() + ".";

    67      boolean isClient = VM.getVM().isClientCompiler();

    68 

    69      try {

    70         FileInputStream fis = new FileInputStream(saJarPath);

    71         JarInputStream jis = new JarInputStream(fis);

    72         JarEntry je = null;

    73         while ( (je = jis.getNextJarEntry()) != null) {

    74            String entryName = je.getName();

    75            int dotClassIndex = entryName.indexOf(".class");

    76            if (dotClassIndex == -1) {

    77               // skip non-.class stuff

    78               continue;

    79            }

    80 

    81            entryName = entryName.substring(0, dotClassIndex).replace('/', '.');

    82 

    83            // skip debugger, asm classes, type classes and jdi binding classes

    84            if (entryName.startsWith("sun.jvm.hotspot.debugger.") ||

    85                entryName.startsWith("sun.jvm.hotspot.asm.") ||

    86                entryName.startsWith("sun.jvm.hotspot.type.") ||

    87                entryName.startsWith("sun.jvm.hotspot.jdi.") ) {

    88               continue;

    89            }

    90 

    91            String runtimePkgPrefix = "sun.jvm.hotspot.runtime.";

    92            int runtimeIndex = entryName.indexOf(runtimePkgPrefix);

    93            if (runtimeIndex != -1) {

    94               // look for further dot. if there, it has to be sub-package.

    95               // in runtime sub-packages include only current platform classes.

    96               if (entryName.substring(runtimePkgPrefix.length() + 1, entryName.length()).indexOf('.') != -1) {

    97                  if (entryName.indexOf(cpuDot) == -1 &&

    98                      entryName.indexOf(platformDot) == -1) {

    99                     continue;

   100                  }

   101               }

   102            }

   103 

   104            if (isClient) {

   105               if (c2types.get(entryName) != null) {

   106                  continue;

   107               }

   108            } else {

   109               if (entryName.equals("sun.jvm.hotspot.c1.Runtime1")) {

   110                  continue;

   111               }

   112            }

   113 

   114            System.out.println("checking " + entryName + " ..");

   115            // force init of the class to uncover any vmStructs mismatch

   116            Class.forName(entryName);

   117         }

   118      } catch (Exception exp) {

   119         System.out.println();

   120         System.out.println("FAILED");

   121         System.out.println();

   122         throw new RuntimeException(exp.getMessage());

   123      }

   124      System.out.println();

   125      System.out.println("PASSED");

   126      System.out.println();

   127   }

   128 

   129   public static void main(String[] args) {

   130      SASanityChecker checker = new SASanityChecker();

   131      checker.start(args);

   132      checker.stop();

   133   }

   134 }