annotate agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/LazyBlockSym.java @ 113:ba764ed4b6f2

6420645: Create a vm that uses compressed oops for up to 32gb heapsizes Summary: Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
author coleenp
date Sun, 13 Apr 2008 17:43:42 -0400
parents a61af66fc99e
children c18cbe5936b8
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1 /*
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2 * Copyright 2001 Sun Microsystems, Inc. All Rights Reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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20 * CA 95054 USA or visit www.sun.com if you need additional information or
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21 * have any questions.
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22 *
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23 */
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24
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25 package sun.jvm.hotspot.debugger.cdbg.basic;
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26
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27 import sun.jvm.hotspot.debugger.*;
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28 import sun.jvm.hotspot.debugger.cdbg.*;
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29
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30 public class LazyBlockSym extends BasicSym implements BlockSym {
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31 private Object key;
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32
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33 public LazyBlockSym(Object key) {
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34 super(null);
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35 this.key = key;
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36 }
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37
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38 public BlockSym asBlock() { return this; }
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39 public boolean isLazy() { return true; }
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40
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41 public Object getKey() { return key; }
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42
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43 public BlockSym getParent() { return null; }
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44 public long getLength() { return 0; }
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45 public Address getAddress() { return null; }
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46 public int getNumLocals() { return 0; }
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47 public LocalSym getLocal(int i) { throw new RuntimeException("Should not call this"); }
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48
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49 public void resolve(BasicCDebugInfoDataBase db, ResolveListener listener) {}
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50 }