/*

 * Copyright (c) 2011, 2012, 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.

 *

 *

 */

package sun.jvm.hotspot.opto;

import java.util.*;

import java.io.*;

import sun.jvm.hotspot.code.*;

import sun.jvm.hotspot.debugger.*;

import sun.jvm.hotspot.runtime.*;

import sun.jvm.hotspot.oops.*;

import sun.jvm.hotspot.ci.*;

import sun.jvm.hotspot.types.*;

public class CallJavaNode extends CallNode {

  static {

    VM.registerVMInitializedObserver(new Observer() {

        public void update(Observable o, Object data) {

          initialize(VM.getVM().getTypeDataBase());

        }

      });

  }

  private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {

    Type type      = db.lookupType("CallJavaNode");

    methodField = type.getAddressField("_method");

  }

  private static AddressField methodField;

  public CallJavaNode(Address addr) {

    super(addr);

  }

  public ciMethod method() {

    return (ciMethod) ciObjectFactory.getMetadata(methodField.getValue(getAddress()));

  }

  public void dumpSpec(PrintStream out) {

    if (method() !=  null) {

      out.print(" " + method().method().externalNameAndSignature());

    }

    super.dumpSpec(out);

  }

}