Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/tools/jcore/ClassDump.java @ 3945:8ed53447f690
Merge
author | iveresov |
---|---|
date | Thu, 15 Sep 2011 12:44:09 -0700 |
parents | f6f3bb0ee072 |
children | 38ea2efa32a7 |
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/* * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ package sun.jvm.hotspot.tools.jcore; import java.io.*; import java.util.jar.JarOutputStream; import java.util.jar.JarEntry; import java.util.jar.Manifest; import sun.jvm.hotspot.memory.*; import sun.jvm.hotspot.oops.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.runtime.*; import sun.jvm.hotspot.tools.*; public class ClassDump extends Tool { private ClassFilter classFilter; private String outputDirectory; private JarOutputStream jarStream; public void setClassFilter(ClassFilter cf) { classFilter = cf; } public void setOutputDirectory(String od) { outputDirectory = od; if (jarStream != null) { try { jarStream.close(); } catch (IOException ioe) { ioe.printStackTrace(); } } jarStream = null; } public void setJarOutput(String jarFileName) throws IOException { jarStream = new JarOutputStream(new FileOutputStream(jarFileName), new Manifest()); outputDirectory = null; } public void run() { // Ready to go with the database... try { // walk through the system dictionary SystemDictionary dict = VM.getVM().getSystemDictionary(); dict.classesDo(new SystemDictionary.ClassVisitor() { public void visit(Klass k) { if (k instanceof InstanceKlass) { try { dumpKlass((InstanceKlass) k); } catch (Exception e) { System.out.println(k.getName().asString()); e.printStackTrace(); } } } }); } catch (AddressException e) { System.err.println("Error accessing address 0x" + Long.toHexString(e.getAddress())); e.printStackTrace(); } if (jarStream != null) { try { jarStream.close(); } catch (IOException ioe) { ioe.printStackTrace(); } jarStream = null; } } public String getName() { return "jcore"; } private void dumpKlass(InstanceKlass kls) { if (classFilter != null && ! classFilter.canInclude(kls) ) { return; } String klassName = kls.getName().asString(); klassName = klassName.replace('/', File.separatorChar); try { OutputStream os = null; if (jarStream != null) { jarStream.putNextEntry(new JarEntry(klassName + ".class")); os = jarStream; } else { int index = klassName.lastIndexOf(File.separatorChar); File dir = null; if (index != -1) { String dirName = klassName.substring(0, index); dir = new File(outputDirectory, dirName); } else { dir = new File(outputDirectory); } dir.mkdirs(); File f = new File(dir, klassName.substring(index + 1) + ".class"); f.createNewFile(); os = new BufferedOutputStream(new FileOutputStream(f)); } try { ClassWriter cw = new ClassWriter(kls, os); cw.write(); } finally { if (os != jarStream) { os.close(); } } } catch(IOException exp) { exp.printStackTrace(); } } public static void main(String[] args) { // load class filters ClassFilter classFilter = null; String filterClassName = System.getProperty("sun.jvm.hotspot.tools.jcore.filter"); if (filterClassName != null) { try { Class filterClass = Class.forName(filterClassName); classFilter = (ClassFilter) filterClass.newInstance(); } catch(Exception exp) { System.err.println("Warning: Can not create class filter!"); } } String outputDirectory = System.getProperty("sun.jvm.hotspot.tools.jcore.outputDir"); if (outputDirectory == null) outputDirectory = "."; ClassDump cd = new ClassDump(); cd.setClassFilter(classFilter); cd.setOutputDirectory(outputDirectory); cd.start(args); cd.stop(); } }