1/* 2 * Copyright (c) 2002, 2004, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25package sun.jvm.hotspot.utilities; 26 27import java.io.*; 28import sun.jvm.hotspot.oops.*; 29import sun.jvm.hotspot.tools.jcore.*; 30 31/** 32 Class loader that loads classes from the process/core image 33 of the debuggee. 34*/ 35 36public class ProcImageClassLoader extends ClassLoader { 37 public ProcImageClassLoader(ClassLoader parent) { 38 super(parent); 39 } 40 41 public ProcImageClassLoader() { 42 this(Thread.currentThread().getContextClassLoader()); 43 } 44 45 protected Class findClass(String className) throws ClassNotFoundException { 46 try { 47 ByteArrayOutputStream bos = new ByteArrayOutputStream(); 48 InstanceKlass klass = SystemDictionaryHelper.findInstanceKlass(className); 49 ClassWriter cw = new ClassWriter(klass, bos); 50 cw.write(); 51 byte[] buf = bos.toByteArray(); 52 return defineClass(className, buf, 0, buf.length); 53 } catch (Exception e) { 54 throw (ClassNotFoundException) new ClassNotFoundException().initCause(e); 55 } 56 } 57} 58