duke@435: /*
duke@435:  * Copyright 2003-2005 Sun Microsystems, Inc.  All Rights Reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
duke@435:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435:  * have any questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435: import sun.jvm.hotspot.tools.*;
duke@435: import sun.jvm.hotspot.runtime.*;
duke@435: import java.io.*;
duke@435: import java.util.*;
duke@435: import java.util.jar.*;
duke@435: 
duke@435: /**
duke@435: This is a sanity checking tool for Serviceability Agent. To use this class,
duke@435: refer to sasanity.sh script in the current directory.
duke@435: */
duke@435: 
duke@435: public class SASanityChecker extends Tool {
duke@435:   private static final String saJarName;
duke@435:   private static final Map c2types;
duke@435: 
duke@435:   static {
duke@435:      saJarName = System.getProperty("SASanityChecker.SAJarName", "sa-jdi.jar");
duke@435:      c2types = new HashMap();
duke@435:      Object value = new Object();
duke@435:      c2types.put("sun.jvm.hotspot.code.ExceptionBlob", value);
duke@435:      c2types.put("sun.jvm.hotspot.code.DeoptimizationBlob", value);
duke@435:      c2types.put("sun.jvm.hotspot.code.UncommonTrapBlob", value);
duke@435: 
duke@435:   }
duke@435: 
duke@435:   public void run() {
duke@435:      String classPath = System.getProperty("java.class.path");
duke@435:      StringTokenizer st = new StringTokenizer(classPath, File.pathSeparator);
duke@435:      String saJarPath = null;
duke@435:      while (st.hasMoreTokens()) {
duke@435:         saJarPath = st.nextToken();
duke@435:         if (saJarPath.endsWith(saJarName)) {
duke@435:            break;
duke@435:         }
duke@435:      }
duke@435: 
duke@435:      if (saJarPath == null) {
duke@435:         throw new RuntimeException(saJarName + " is not the CLASSPATH");
duke@435:      }
duke@435: 
duke@435:      String cpuDot = "." + VM.getVM().getCPU() + ".";
duke@435:      String platformDot = "." + VM.getVM().getOS() + "_" + VM.getVM().getCPU() + ".";
duke@435:      boolean isClient = VM.getVM().isClientCompiler();
duke@435: 
duke@435:      try {
duke@435:         FileInputStream fis = new FileInputStream(saJarPath);
duke@435:         JarInputStream jis = new JarInputStream(fis);
duke@435:         JarEntry je = null;
duke@435:         while ( (je = jis.getNextJarEntry()) != null) {
duke@435:            String entryName = je.getName();
duke@435:            int dotClassIndex = entryName.indexOf(".class");
duke@435:            if (dotClassIndex == -1) {
duke@435:               // skip non-.class stuff
duke@435:               continue;
duke@435:            }
duke@435: 
duke@435:            entryName = entryName.substring(0, dotClassIndex).replace('/', '.');
duke@435: 
duke@435:            // skip debugger, asm classes, type classes and jdi binding classes
duke@435:            if (entryName.startsWith("sun.jvm.hotspot.debugger.") ||
duke@435:                entryName.startsWith("sun.jvm.hotspot.asm.") ||
duke@435:                entryName.startsWith("sun.jvm.hotspot.type.") ||
duke@435:                entryName.startsWith("sun.jvm.hotspot.jdi.") ) {
duke@435:               continue;
duke@435:            }
duke@435: 
duke@435:            String runtimePkgPrefix = "sun.jvm.hotspot.runtime.";
duke@435:            int runtimeIndex = entryName.indexOf(runtimePkgPrefix);
duke@435:            if (runtimeIndex != -1) {
duke@435:               // look for further dot. if there, it has to be sub-package.
duke@435:               // in runtime sub-packages include only current platform classes.
duke@435:               if (entryName.substring(runtimePkgPrefix.length() + 1, entryName.length()).indexOf('.') != -1) {
duke@435:                  if (entryName.indexOf(cpuDot) == -1 &&
duke@435:                      entryName.indexOf(platformDot) == -1) {
duke@435:                     continue;
duke@435:                  }
duke@435:               }
duke@435:            }
duke@435: 
duke@435:            if (isClient) {
duke@435:               if (c2types.get(entryName) != null) {
duke@435:                  continue;
duke@435:               }
duke@435:            } else {
duke@435:               if (entryName.equals("sun.jvm.hotspot.c1.Runtime1")) {
duke@435:                  continue;
duke@435:               }
duke@435:            }
duke@435: 
duke@435:            System.out.println("checking " + entryName + " ..");
duke@435:            // force init of the class to uncover any vmStructs mismatch
duke@435:            Class.forName(entryName);
duke@435:         }
duke@435:      } catch (Exception exp) {
duke@435:         System.out.println();
duke@435:         System.out.println("FAILED");
duke@435:         System.out.println();
duke@435:         throw new RuntimeException(exp.getMessage());
duke@435:      }
duke@435:      System.out.println();
duke@435:      System.out.println("PASSED");
duke@435:      System.out.println();
duke@435:   }
duke@435: 
duke@435:   public static void main(String[] args) {
duke@435:      SASanityChecker checker = new SASanityChecker();
duke@435:      checker.start(args);
duke@435:      checker.stop();
duke@435:   }
duke@435: }