Mercurial > hg > truffle
diff agent/src/share/classes/sun/jvm/hotspot/runtime/JNIid.java @ 0:a61af66fc99e jdk7-b24
Initial load
author | duke |
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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/runtime/JNIid.java Sat Dec 01 00:00:00 2007 +0000 @@ -0,0 +1,87 @@ +/* + * Copyright 2002-2003 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.runtime; + +import java.util.*; + +import sun.jvm.hotspot.debugger.*; +import sun.jvm.hotspot.oops.*; +import sun.jvm.hotspot.types.*; + +public class JNIid extends VMObject { + private static sun.jvm.hotspot.types.OopField holder; + private static AddressField next; + private static CIntegerField offset; + private static sun.jvm.hotspot.types.OopField resolvedMethod; + private static sun.jvm.hotspot.types.OopField resolvedReceiver; + + private ObjectHeap heap; + + static { + VM.registerVMInitializedObserver(new Observer() { + public void update(Observable o, Object data) { + initialize(VM.getVM().getTypeDataBase()); + } + }); + } + + private static synchronized void initialize(TypeDataBase db) { + + // FIXME: JNIid has been removed as part of redesign of JNI method, + // field ID generation. Please refer to src/share/vm/prims/jniId.hpp/.cpp + // For now, commenting out the below code. + + /*********************************************************** + Type type = db.lookupType("JNIid"); + + holder = type.getOopField("_holder"); + next = type.getAddressField("_next"); + offset = type.getCIntegerField("_offset"); + resolvedMethod = type.getOopField("_resolved_method"); + resolvedReceiver = type.getOopField("_resolved_receiver"); + ***********************************************************/ + } + + public JNIid(Address addr, ObjectHeap heap) { + super(addr); + this.heap = heap; + } + + public JNIid next() { + Address nextAddr = next.getValue(addr); + if (nextAddr == null) { + return null; + } + return new JNIid(nextAddr, heap); + } + + public Klass holder() { return (Klass) heap.newOop(holder.getValue(addr)); } + public int offset() { return (int) offset.getValue(addr); } + public Method method() { + return (Method) ((InstanceKlass) holder()).getMethods().getObjAt(offset()); + } + public Method resolvedMethod() { return (Method) heap.newOop(resolvedMethod.getValue(addr)); } + public Klass resolvedReceiver() { return (Klass) heap.newOop(resolvedReceiver.getValue(addr)); } +}