Mercurial > hg > truffle
comparison agent/src/share/classes/sun/jvm/hotspot/ci/ciMethodData.java @ 3945:8ed53447f690
Merge
author | iveresov |
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date | Thu, 15 Sep 2011 12:44:09 -0700 |
parents | f6f3bb0ee072 |
children | da91efe96a93 |
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3929:f94227b6117b | 3945:8ed53447f690 |
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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.ci; | |
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.oops.*; | |
32 import sun.jvm.hotspot.types.*; | |
33 | |
34 public class ciMethodData extends ciObject { | |
35 static { | |
36 VM.registerVMInitializedObserver(new Observer() { | |
37 public void update(Observable o, Object data) { | |
38 initialize(VM.getVM().getTypeDataBase()); | |
39 } | |
40 }); | |
41 } | |
42 | |
43 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { | |
44 Type type = db.lookupType("ciMethodData"); | |
45 origField = type.getAddressField("_orig"); | |
46 currentMileageField = new CIntField(type.getCIntegerField("_current_mileage"), 0); | |
47 argReturnedField = new CIntField(type.getCIntegerField("_arg_returned"), 0); | |
48 argStackField = new CIntField(type.getCIntegerField("_arg_stack"), 0); | |
49 argLocalField = new CIntField(type.getCIntegerField("_arg_local"), 0); | |
50 eflagsField = new CIntField(type.getCIntegerField("_eflags"), 0); | |
51 hintDiField = new CIntField(type.getCIntegerField("_hint_di"), 0); | |
52 currentMileageField = new CIntField(type.getCIntegerField("_current_mileage"), 0); | |
53 dataField = type.getAddressField("_data"); | |
54 extraDataSizeField = new CIntField(type.getCIntegerField("_extra_data_size"), 0); | |
55 dataSizeField = new CIntField(type.getCIntegerField("_data_size"), 0); | |
56 stateField = new CIntField(type.getCIntegerField("_state"), 0); | |
57 sizeofMethodDataOopDesc = (int)db.lookupType("methodDataOopDesc").getSize();; | |
58 } | |
59 | |
60 private static AddressField origField; | |
61 private static CIntField currentMileageField; | |
62 private static CIntField argReturnedField; | |
63 private static CIntField argStackField; | |
64 private static CIntField argLocalField; | |
65 private static CIntField eflagsField; | |
66 private static CIntField hintDiField; | |
67 private static AddressField dataField; | |
68 private static CIntField extraDataSizeField; | |
69 private static CIntField dataSizeField; | |
70 private static CIntField stateField; | |
71 private static int sizeofMethodDataOopDesc; | |
72 | |
73 public ciMethodData(Address addr) { | |
74 super(addr); | |
75 } | |
76 | |
77 private byte[] fetchDataAt(Address base, long size) { | |
78 byte[] result = new byte[(int)size]; | |
79 for (int i = 0; i < size; i++) { | |
80 result[i] = base.getJByteAt(i); | |
81 } | |
82 return result; | |
83 } | |
84 | |
85 public byte[] orig() { | |
86 // fetch the orig methodDataOopDesc data between header and dataSize | |
87 Address base = getAddress().addOffsetTo(origField.getOffset()); | |
88 byte[] result = new byte[MethodData.sizeofMethodDataOopDesc]; | |
89 for (int i = 0; i < MethodData.sizeofMethodDataOopDesc; i++) { | |
90 result[i] = base.getJByteAt(i); | |
91 } | |
92 return result; | |
93 } | |
94 | |
95 public long[] data() { | |
96 // Read the data as an array of intptr_t elements | |
97 Address base = dataField.getValue(getAddress()); | |
98 int elements = dataSize() / MethodData.cellSize; | |
99 long[] result = new long[elements]; | |
100 for (int i = 0; i < elements; i++) { | |
101 Address value = base.getAddressAt(i * MethodData.cellSize); | |
102 if (value != null) { | |
103 result[i] = value.minus(null); | |
104 } | |
105 } | |
106 return result; | |
107 } | |
108 | |
109 int dataSize() { | |
110 return (int)dataSizeField.getValue(getAddress()); | |
111 } | |
112 | |
113 int state() { | |
114 return (int)stateField.getValue(getAddress()); | |
115 } | |
116 | |
117 int currentMileage() { | |
118 return (int)currentMileageField.getValue(getAddress()); | |
119 } | |
120 | |
121 boolean outOfBounds(int dataIndex) { | |
122 return dataIndex >= dataSize(); | |
123 } | |
124 | |
125 ProfileData dataAt(int dataIndex) { | |
126 if (outOfBounds(dataIndex)) { | |
127 return null; | |
128 } | |
129 DataLayout dataLayout = new DataLayout(dataField.getValue(getAddress()), dataIndex); | |
130 | |
131 switch (dataLayout.tag()) { | |
132 case DataLayout.noTag: | |
133 default: | |
134 throw new InternalError(); | |
135 case DataLayout.bitDataTag: | |
136 return new BitData(dataLayout); | |
137 case DataLayout.counterDataTag: | |
138 return new CounterData(dataLayout); | |
139 case DataLayout.jumpDataTag: | |
140 return new JumpData(dataLayout); | |
141 case DataLayout.receiverTypeDataTag: | |
142 return new ciReceiverTypeData(dataLayout); | |
143 case DataLayout.virtualCallDataTag: | |
144 return new ciVirtualCallData(dataLayout); | |
145 case DataLayout.retDataTag: | |
146 return new RetData(dataLayout); | |
147 case DataLayout.branchDataTag: | |
148 return new BranchData(dataLayout); | |
149 case DataLayout.multiBranchDataTag: | |
150 return new MultiBranchData(dataLayout); | |
151 } | |
152 } | |
153 | |
154 int dpToDi(int dp) { | |
155 return dp; | |
156 } | |
157 | |
158 int firstDi() { return 0; } | |
159 ProfileData firstData() { return dataAt(firstDi()); } | |
160 ProfileData nextData(ProfileData current) { | |
161 int currentIndex = dpToDi(current.dp()); | |
162 int nextIndex = currentIndex + current.sizeInBytes(); | |
163 return dataAt(nextIndex); | |
164 } | |
165 boolean isValid(ProfileData current) { return current != null; } | |
166 | |
167 public void printDataOn(PrintStream st) { | |
168 ProfileData data = firstData(); | |
169 for ( ; isValid(data); data = nextData(data)) { | |
170 st.print(dpToDi(data.dp())); | |
171 st.print(" "); | |
172 // st->fillTo(6); | |
173 data.printDataOn(st); | |
174 } | |
175 } | |
176 | |
177 } |