1/*
2 * Copyright (c) 2011, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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23 */
24
25package sun.jvm.hotspot.oops;
26
27import java.io.*;
28import java.util.*;
29import sun.jvm.hotspot.debugger.*;
30import sun.jvm.hotspot.runtime.*;
31import sun.jvm.hotspot.types.*;
32import sun.jvm.hotspot.utilities.*;
33
34// VirtualCallData
35//
36// A VirtualCallData is used to access profiling information about a
37// call.  For now, it has nothing more than a ReceiverTypeData.
38public class VirtualCallData<K,M> extends ReceiverTypeData<K,M> {
39  public VirtualCallData(MethodDataInterface<K,M> methodData, DataLayout layout) {
40    super(methodData, layout);
41    //assert(layout.tag() == DataLayout.virtualCallDataTag, "wrong type");
42  }
43
44  static int staticCellCount() {
45    // At this point we could add more profile state, e.g., for arguments.
46    // But for now it's the same size as the base record type.
47    int cellCount = ReceiverTypeData.staticCellCount();
48    if (INCLUDE_JVMCI == 1) {
49      cellCount += MethodData.MethodProfileWidth * receiverTypeRowCellCount;
50    }
51    return cellCount;
52  }
53
54  public int cellCount() {
55    return staticCellCount();
56  }
57
58  // Direct accessors
59  static int virtualCallDataSize() {
60    return cellOffset(staticCellCount());
61  }
62
63  public void printDataOn(PrintStream st) {
64    printShared(st, "VirtualCallData");
65    printReceiverDataOn(st);
66  }
67}
68