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comparison agent/src/share/classes/sun/jvm/hotspot/oops/VirtualCallData.java @ 3939:f6f3bb0ee072

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7088955: add C2 IR support to the SA Reviewed-by: kvn
author never
date Sun, 11 Sep 2011 14:48:24 -0700
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children 4bec1b1f7b33
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3938:e6b1331a51d2 3939:f6f3bb0ee072
1 /*
2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
3 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
4 *
5 *
6 *
7 *
8 *
9 *
10 *
11 *
12 *
13 *
14 *
15 *
16 *
17 *
18 *
19 *
20 *
21 *
22 *
23 */
24
25 package sun.jvm.hotspot.oops;
26
27 import java.io.*;
28 import java.util.*;
29 import sun.jvm.hotspot.debugger.*;
30 import sun.jvm.hotspot.runtime.*;
31 import sun.jvm.hotspot.types.*;
32 import 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.
38 public class VirtualCallData extends ReceiverTypeData {
39 public VirtualCallData(DataLayout layout) {
40 super(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 return ReceiverTypeData.staticCellCount();
48 }
49
50 public int cellCount() {
51 return staticCellCount();
52 }
53
54 // Direct accessors
55 static int virtualCallDataSize() {
56 return cellOffset(staticCellCount());
57 }
58
59 public void printDataOn(PrintStream st) {
60 printShared(st, "VirtualCallData");
61 printReceiverDataOn(st);
62 }
63 }