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annotate agent/src/share/classes/sun/jvm/hotspot/oops/VirtualCallData.java @ 17524:89152779163c

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Merge with jdk8-b132
author Gilles Duboscq <duboscq@ssw.jku.at>
date Wed, 15 Oct 2014 11:59:32 +0200
parents b9a9ed0f8eeb
children
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1 /*
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2 * Copyright (c) 2011, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * 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.oops;
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26
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27 import java.io.*;
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28 import java.util.*;
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29 import sun.jvm.hotspot.debugger.*;
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30 import sun.jvm.hotspot.runtime.*;
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31 import sun.jvm.hotspot.types.*;
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32 import sun.jvm.hotspot.utilities.*;
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33
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34 // VirtualCallData
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35 //
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36 // A VirtualCallData is used to access profiling information about a
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37 // call. For now, it has nothing more than a ReceiverTypeData.
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38 public class VirtualCallData extends ReceiverTypeData {
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39 public VirtualCallData(DataLayout layout) {
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40 super(layout);
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41 //assert(layout.tag() == DataLayout.virtualCallDataTag, "wrong type");
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42 }
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43
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44 static int staticCellCount() {
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45 // At this point we could add more profile state, e.g., for arguments.
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46 // But for now it's the same size as the base record type.
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47 return ReceiverTypeData.staticCellCount();
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48 }
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49
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50 public int cellCount() {
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51 return staticCellCount();
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52 }
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53
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54 // Direct accessors
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55 static int virtualCallDataSize() {
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56 return cellOffset(staticCellCount());
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57 }
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58
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59 public void printDataOn(PrintStream st) {
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60 printShared(st, "VirtualCallData");
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61 printReceiverDataOn(st);
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62 }
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63 }