view agent/src/share/classes/sun/jvm/hotspot/interpreter/BytecodeWithKlass.java @ 6725:da91efe96a93

6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents 1d1603768966
children
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/*
 * Copyright (c) 2002, 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.interpreter;

import sun.jvm.hotspot.oops.*;
import sun.jvm.hotspot.runtime.*;

public class BytecodeWithKlass extends BytecodeWithCPIndex {
  BytecodeWithKlass(Method method, int bci) {
    super(method, bci);
  }

  protected Klass getKlass() {
    return method().getConstants().getKlassAt(index());
  }

  public Symbol getClassName() {
    ConstantPool.CPSlot obj = method().getConstants().getSlotAt(index());
    if (obj.isUnresolved()) {
      return obj.getSymbol();
    } else {
      return obj.getKlass().getName();
    }
  }

  public String toString() {
    StringBuffer buf = new StringBuffer();
    buf.append(getJavaBytecodeName());
    buf.append(spaces);
    buf.append('#');
    buf.append(Integer.toString(index()));
    buf.append(spaces);
    buf.append("[Class ");
    buf.append(getClassName().asString().replace('/', '.'));
    buf.append(']');
    if (code() != javaCode()) {
       buf.append(spaces);
       buf.append('[');
       buf.append(getBytecodeName());
       buf.append(']');
    }
    return buf.toString();
  }
}