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comparison agent/src/share/classes/sun/jvm/hotspot/oops/ProfileData.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
parents
children da91efe96a93
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3938:e6b1331a51d2 3939:f6f3bb0ee072
1 /*
2 * Copyright (c) 2011, 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.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
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 public abstract class ProfileData {
35 // This is a pointer to a section of profiling data.
36 private DataLayout _data;
37
38 public DataLayout data() { return _data; }
39
40 // How many cells are in this?
41 public abstract int cellCount();
42
43
44 // Return the size of this data.
45 public int sizeInBytes() {
46 return DataLayout.computeSizeInBytes(cellCount());
47 }
48
49 public int dp() {
50 return data().dp();
51 }
52
53 // Low-level accessors for underlying data
54 int intptrAt(int index) {
55 //assert(0 <= index && index < cellCount(), "oob");
56 return data().cellAt(index);
57 }
58 int intAt(int index) {
59 return (int)intptrAt(index);
60 }
61 int uintAt(int index) {
62 return (int)intptrAt(index);
63 }
64 Oop oopAt(int index) {
65 return data().oopAt(index);
66 }
67
68 public Address addressAt(int index) {
69 return data().addressAt(index);
70 }
71
72 boolean flagAt(int flagNumber) {
73 return data().flagAt(flagNumber);
74 }
75
76 // two convenient imports for use by subclasses:
77 public static int cellOffset(int index) {
78 return DataLayout.cellOffset(index);
79 }
80
81 public ProfileData(DataLayout data) {
82 _data = data;
83 }
84
85 // Constructor for invalid ProfileData.
86 ProfileData() {
87 _data = null;
88 }
89
90 int bci() {
91 return data().bci();
92 }
93
94 int trapState() {
95 return data().trapState();
96 }
97 public abstract void printDataOn(PrintStream st);
98
99 void tab(PrintStream st) {
100 st.print("\t");
101 }
102
103 void printShared(PrintStream st, String name) {
104 st.print("bci: " + bci());
105 // st.fillTo(tabWidthOne);
106 st.print(" " + name + " ");
107 tab(st);
108 int trap = trapState();
109 if (trap != 0) {
110 st.print("trap(" + MethodData.formatTrapState(trap) + ") ");
111 }
112 int flags = data().flags();
113 if (flags != 0)
114 st.print("flags(" + flags + ") ");
115 }
116
117 public String toString() {
118 ByteArrayOutputStream baos = new ByteArrayOutputStream();
119 PrintStream ps = new PrintStream(baos);
120 try {
121 printDataOn(ps);
122 } finally {
123 ps.close();
124 }
125 return baos.toString();
126 }
127 }