Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/jdi/LocationImpl.java @ 18665:96861e3f8cc5
made CFGPrinterObserver reset (upon close) properly
author | Doug Simon <doug.simon@oracle.com> |
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date | Thu, 11 Dec 2014 22:14:30 +0100 |
parents | 37be97a58393 |
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rev | line source |
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0 | 1 /* |
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7010849: 5/5 Extraneous javac source/target options when building sa-jdi
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2 * Copyright (c) 2002, 2011, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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6941466: Oracle rebranding changes for Hotspot repositories
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 package sun.jvm.hotspot.jdi; | |
26 | |
27 import com.sun.jdi.*; | |
28 | |
29 import java.util.*; | |
30 | |
31 public class LocationImpl extends MirrorImpl implements Location { | |
32 private final ReferenceTypeImpl declaringType; | |
33 private Method method; | |
34 private sun.jvm.hotspot.oops.Method methodRef; | |
35 private long codeIndex; | |
36 private LineInfo baseLineInfo = null; | |
37 private LineInfo otherLineInfo = null; | |
38 | |
39 LocationImpl(VirtualMachine vm, | |
40 Method method, long codeIndex) { | |
41 super(vm); | |
42 | |
43 this.method = method; | |
44 this.codeIndex = method.isNative()? -1 : codeIndex; | |
45 this.declaringType = (ReferenceTypeImpl)method.declaringType(); | |
46 } | |
47 | |
48 /* | |
49 * This constructor allows lazy creation of the method mirror. This | |
50 * can be a performance savings if the method mirror does not yet | |
51 * exist. | |
52 */ | |
53 LocationImpl(VirtualMachine vm, ReferenceType declaringType, | |
54 sun.jvm.hotspot.oops.Method methodRef, long codeIndex) { | |
55 super(vm); | |
56 | |
57 this.method = null; | |
58 this.codeIndex = codeIndex; | |
59 this.declaringType = (ReferenceTypeImpl)declaringType; | |
60 this.methodRef = methodRef; | |
61 } | |
62 | |
63 public boolean equals(Object obj) { | |
64 if ((obj != null) && (obj instanceof Location)) { | |
65 Location other = (Location)obj; | |
66 return (method().equals(other.method())) && | |
67 (codeIndex() == other.codeIndex()) && | |
68 super.equals(obj); | |
69 } else { | |
70 return false; | |
71 } | |
72 } | |
73 | |
74 public int hashCode() { | |
75 /* | |
76 * TO DO: better hash code? | |
77 */ | |
78 return method().hashCode() + (int)codeIndex(); | |
79 } | |
80 | |
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37be97a58393
7010849: 5/5 Extraneous javac source/target options when building sa-jdi
andrew
parents:
1552
diff
changeset
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81 public int compareTo(Location other) { |
0 | 82 int rc = method().compareTo(other.method()); |
83 if (rc == 0) { | |
84 long diff = codeIndex() - other.codeIndex(); | |
85 if (diff < 0) | |
86 return -1; | |
87 else if (diff > 0) | |
88 return 1; | |
89 else | |
90 return 0; | |
91 } | |
92 return rc; | |
93 } | |
94 | |
95 public ReferenceType declaringType() { | |
96 return declaringType; | |
97 } | |
98 | |
99 public Method method() { | |
100 if (method == null) { | |
101 method = declaringType.getMethodMirror(methodRef); | |
102 if (method.isNative()) { | |
103 codeIndex = -1; | |
104 } | |
105 } | |
106 return method; | |
107 } | |
108 | |
109 public long codeIndex() { | |
110 method(); // be sure information is up-to-date | |
111 return codeIndex; | |
112 } | |
113 | |
114 LineInfo getBaseLineInfo(SDE.Stratum stratum) { | |
115 LineInfo lineInfo; | |
116 | |
117 /* check if there is cached info to use */ | |
118 if (baseLineInfo != null) { | |
119 return baseLineInfo; | |
120 } | |
121 | |
122 /* compute the line info */ | |
123 MethodImpl methodImpl = (MethodImpl)method(); | |
124 lineInfo = methodImpl.codeIndexToLineInfo(stratum, | |
125 codeIndex()); | |
126 | |
127 /* cache it */ | |
128 addBaseLineInfo(lineInfo); | |
129 | |
130 return lineInfo; | |
131 } | |
132 | |
133 LineInfo getLineInfo(SDE.Stratum stratum) { | |
134 LineInfo lineInfo; | |
135 | |
136 /* base stratum is done slighly differently */ | |
137 if (stratum.isJava()) { | |
138 return getBaseLineInfo(stratum); | |
139 } | |
140 | |
141 /* check if there is cached info to use */ | |
142 lineInfo = otherLineInfo; // copy because of concurrency | |
143 if (lineInfo != null && | |
144 stratum.id().equals(lineInfo.liStratum())) { | |
145 return lineInfo; | |
146 } | |
147 int baseLineNumber = lineNumber(SDE.BASE_STRATUM_NAME); | |
148 SDE.LineStratum lineStratum = | |
149 stratum.lineStratum(declaringType, baseLineNumber); | |
150 | |
151 if (lineStratum != null && lineStratum.lineNumber() != -1) { | |
152 lineInfo = new StratumLineInfo(stratum.id(), | |
153 lineStratum.lineNumber(), | |
154 lineStratum.sourceName(), | |
155 lineStratum.sourcePath()); | |
156 } else { | |
157 /* find best match */ | |
158 MethodImpl methodImpl = (MethodImpl)method(); | |
159 lineInfo = methodImpl.codeIndexToLineInfo(stratum, | |
160 codeIndex()); | |
161 } | |
162 | |
163 /* cache it */ | |
164 addStratumLineInfo(lineInfo); | |
165 | |
166 return lineInfo; | |
167 } | |
168 | |
169 void addStratumLineInfo(LineInfo lineInfo) { | |
170 otherLineInfo = lineInfo; | |
171 } | |
172 | |
173 void addBaseLineInfo(LineInfo lineInfo) { | |
174 baseLineInfo = lineInfo; | |
175 } | |
176 | |
177 public String sourceName() throws AbsentInformationException { | |
178 return sourceName(vm.getDefaultStratum()); | |
179 } | |
180 | |
181 public String sourceName(String stratumID) | |
182 throws AbsentInformationException { | |
183 return sourceName(declaringType.stratum(stratumID)); | |
184 } | |
185 | |
186 String sourceName(SDE.Stratum stratum) | |
187 throws AbsentInformationException { | |
188 return getLineInfo(stratum).liSourceName(); | |
189 } | |
190 | |
191 public String sourcePath() throws AbsentInformationException { | |
192 return sourcePath(vm.getDefaultStratum()); | |
193 } | |
194 | |
195 public String sourcePath(String stratumID) | |
196 throws AbsentInformationException { | |
197 return sourcePath(declaringType.stratum(stratumID)); | |
198 } | |
199 | |
200 String sourcePath(SDE.Stratum stratum) | |
201 throws AbsentInformationException { | |
202 return getLineInfo(stratum).liSourcePath(); | |
203 } | |
204 | |
205 public int lineNumber() { | |
206 return lineNumber(vm.getDefaultStratum()); | |
207 } | |
208 | |
209 public int lineNumber(String stratumID) { | |
210 return lineNumber(declaringType.stratum(stratumID)); | |
211 } | |
212 | |
213 int lineNumber(SDE.Stratum stratum) { | |
214 return getLineInfo(stratum).liLineNumber(); | |
215 } | |
216 | |
217 public String toString() { | |
218 if (lineNumber() == -1) { | |
219 return method().toString() + "+" + codeIndex(); | |
220 } else { | |
221 return declaringType().name() + ":" + lineNumber(); | |
222 } | |
223 } | |
224 } |