diff agent/src/share/classes/sun/jvm/hotspot/utilities/ProcImageClassLoader.java @ 0:a61af66fc99e jdk7-b24

Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/utilities/ProcImageClassLoader.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,57 @@
+/*
+ * Copyright 2002-2004 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package sun.jvm.hotspot.utilities;
+
+import java.io.*;
+import sun.jvm.hotspot.oops.*;
+import sun.jvm.hotspot.tools.jcore.*;
+
+/**
+   Class loader that loads classes from the process/core image
+   of the debuggee.
+*/
+
+public class ProcImageClassLoader extends ClassLoader {
+   public ProcImageClassLoader(ClassLoader parent) {
+      super(parent);
+   }
+
+   public ProcImageClassLoader() {
+      this(Thread.currentThread().getContextClassLoader());
+   }
+
+   protected Class findClass(String className) throws ClassNotFoundException {
+      try {
+         ByteArrayOutputStream bos = new ByteArrayOutputStream();
+         InstanceKlass klass = SystemDictionaryHelper.findInstanceKlass(className);
+         ClassWriter cw = new ClassWriter(klass, bos);
+         cw.write();
+         byte[] buf = bos.toByteArray();
+         return defineClass(className, buf, 0, buf.length);
+      } catch (Exception e) {
+         throw (ClassNotFoundException) new ClassNotFoundException().initCause(e);
+      }
+   }
+}