Mercurial > hg > truffle
view agent/src/share/classes/sun/jvm/hotspot/runtime/amd64/AMD64JavaCallWrapper.java @ 19646:c5f6a7397eb1
SA fixes: add GraalEnv to VMTypes, remove references to value_value from agent sources
author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
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date | Fri, 20 Feb 2015 14:24:16 +0100 |
parents | c18cbe5936b8 |
children |
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/* * Copyright (c) 2003, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ package sun.jvm.hotspot.runtime.amd64; import java.util.*; import sun.jvm.hotspot.debugger.*; import sun.jvm.hotspot.types.*; import sun.jvm.hotspot.runtime.*; public class AMD64JavaCallWrapper extends JavaCallWrapper { private static AddressField lastJavaFPField; static { VM.registerVMInitializedObserver(new Observer() { public void update(Observable o, Object data) { initialize(VM.getVM().getTypeDataBase()); } }); } private static synchronized void initialize(TypeDataBase db) { Type type = db.lookupType("JavaFrameAnchor"); lastJavaFPField = type.getAddressField("_last_Java_fp"); } public AMD64JavaCallWrapper(Address addr) { super(addr); } public Address getLastJavaFP() { return lastJavaFPField.getValue(addr.addOffsetTo(anchorField.getOffset())); } }