Mercurial > hg > truffle
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); + } + } +}