Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/utilities/ProcImageClassLoader.java @ 271:818a18cd69a8
6730514: assertion failure in mangling code when expanding by 0 bytes
Summary: An expansion by 0 bytes was not anticipated when the assertion was composed.
Reviewed-by: jjh, jcoomes, apetrusenko
author | jmasa |
---|---|
date | Wed, 30 Jul 2008 11:54:00 -0700 |
parents | a61af66fc99e |
children | c18cbe5936b8 |
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/* * 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); } } }