view agent/src/share/classes/sun/jvm/hotspot/memory/LoaderConstraintTable.java @ 11997:cd25d3be91c5

8012144: multiple SIGSEGVs fails on staxf Summary: Forward port of 7u change to add additional fence() on RMO platforms, with a load_acquire on all platforms Reviewed-by: dholmes, kvn
author vladidan
date Tue, 06 Aug 2013 20:01:40 -0400
parents 79f492f184d0
children
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/*
 * Copyright (c) 2003, 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.
 *
 * 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.memory;

import java.util.*;
import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.oops.*;
import sun.jvm.hotspot.types.*;
import sun.jvm.hotspot.runtime.*;
import sun.jvm.hotspot.utilities.*;

public class LoaderConstraintTable extends TwoOopHashtable {
  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("LoaderConstraintTable");
  }

  public LoaderConstraintTable(Address addr) {
    super(addr);
  }

  // this is overriden here so that Hashtable.bucket will return
  // object of LoaderConstraintEntry.class
  protected Class getHashtableEntryClass() {
    return LoaderConstraintEntry.class;
  }
}