Mercurial > hg > truffle
annotate agent/test/libproc/LibprocClient.java @ 17796:3f3c97187f82
8032634: Add #ifdef PPC64 around OrderAccess operations on _thread_state.
Reviewed-by: dholmes, kvn
author | goetz |
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date | Fri, 24 Jan 2014 10:23:34 +0100 |
parents | c18cbe5936b8 |
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rev | line source |
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0 | 1 /* |
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6941466: Oracle rebranding changes for Hotspot repositories
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2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved. |
0 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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5 * This code is free software; you can redistribute it and/or modify it | |
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7 * published by the Free Software Foundation. | |
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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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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 import sun.jvm.hotspot.oops.*; | |
26 import sun.jvm.hotspot.runtime.*; | |
27 import sun.jvm.hotspot.tools.*; | |
28 import sun.jvm.hotspot.utilities.*; | |
29 | |
30 /** | |
31 We don't run any of the "standard" SA command line tools for sanity | |
32 check. This is because the standard tools print addresses in hex | |
33 which could change legally. Also, textual comparison of output may | |
34 not match because of other reasons as well. This tool checks | |
35 validity of threads and frames logically. This class has reference | |
36 frame names from "known" threads. The debuggee is assumed to run | |
37 "LibprocTest.java". | |
38 */ | |
39 | |
40 public class LibprocClient extends Tool { | |
41 | |
42 public void run() { | |
43 // try to get VM version and check | |
44 String version = VM.getVM().getVMRelease(); | |
45 Assert.that(version.startsWith("1.5"), "1.5 expected"); | |
46 | |
47 // try getting threads | |
48 Threads threads = VM.getVM().getThreads(); | |
49 boolean mainTested = false; | |
50 | |
51 // check frames of each thread | |
52 for (JavaThread cur = threads.first(); cur != null; cur = cur.next()) { | |
53 if (cur.isJavaThread()) { | |
54 String name = cur.getThreadName(); | |
55 // testing of basic frame walking for all threads | |
56 for (JavaVFrame vf = getLastJavaVFrame(cur); vf != null; vf = vf.javaSender()) { | |
57 checkFrame(vf); | |
58 } | |
59 | |
60 // special testing for "known" threads. For now, only "main" thread. | |
61 if (name.equals("main")) { | |
62 checkMainThread(cur); | |
63 mainTested = true; | |
64 } | |
65 } | |
66 } | |
67 Assert.that(mainTested, "main thread missing"); | |
68 } | |
69 | |
70 public static void main(String[] args) { | |
71 try { | |
72 LibprocClient lc = new LibprocClient(); | |
73 lc.start(args); | |
74 lc.getAgent().detach(); | |
75 System.out.println("\nPASSED\n"); | |
76 } catch (Exception exp) { | |
77 System.out.println("\nFAILED\n"); | |
78 exp.printStackTrace(); | |
79 } | |
80 } | |
81 | |
82 // -- Internals only below this point | |
83 private static JavaVFrame getLastJavaVFrame(JavaThread cur) { | |
84 RegisterMap regMap = cur.newRegisterMap(true); | |
85 Frame f = cur.getCurrentFrameGuess(); | |
86 if (f == null) { | |
87 System.err.println(" (Unable to get a top most frame)"); | |
88 return null; | |
89 } | |
90 VFrame vf = VFrame.newVFrame(f, regMap, cur, true, true); | |
91 if (vf == null) { | |
92 System.err.println(" (Unable to create vframe for topmost frame guess)"); | |
93 return null; | |
94 } | |
95 if (vf.isJavaFrame()) { | |
96 return (JavaVFrame) vf; | |
97 } | |
98 return (JavaVFrame) vf.javaSender(); | |
99 } | |
100 | |
101 private void checkMethodSignature(Symbol sig) { | |
102 SignatureIterator itr = new SignatureIterator(sig) { | |
103 public void doBool () {} | |
104 public void doChar () {} | |
105 public void doFloat () {} | |
106 public void doDouble() {} | |
107 public void doByte () {} | |
108 public void doShort () {} | |
109 public void doInt () {} | |
110 public void doLong () {} | |
111 public void doVoid () {} | |
112 public void doObject(int begin, int end) {} | |
113 public void doArray (int begin, int end) {} | |
114 }; | |
115 // this will throw RuntimeException for any invalid item in signature. | |
116 itr.iterate(); | |
117 } | |
118 | |
119 private void checkBCI(Method m, int bci) { | |
120 if (! m.isNative()) { | |
121 byte[] buf = m.getByteCode(); | |
122 Assert.that(bci >= 0 && bci < buf.length, "invalid bci, not in code range"); | |
123 if (m.hasLineNumberTable()) { | |
124 int lineNum = m.getLineNumberFromBCI(bci); | |
125 Assert.that(lineNum >= 0, "expecting non-negative line number"); | |
126 } | |
127 } | |
128 } | |
129 | |
130 private void checkMethodHolder(Method method) { | |
131 Klass klass = method.getMethodHolder(); | |
132 Assert.that(klass != null, "expecting non-null instance klass"); | |
133 } | |
134 | |
135 private void checkFrame(JavaVFrame vf) { | |
136 Method method = vf.getMethod(); | |
137 Assert.that(method != null, "expecting a non-null method here"); | |
138 Assert.that(method.getName() != null, "expecting non-null method name"); | |
139 checkMethodHolder(method); | |
140 checkMethodSignature(method.getSignature()); | |
141 checkBCI(method, vf.getBCI()); | |
142 } | |
143 | |
144 // from the test case LibprocTest.java - in the main thread we | |
145 // should see frames as below | |
146 private static String[] mainThreadMethods = new String[] { | |
147 "java.lang.Object.wait(long)", | |
148 "java.lang.Object.wait()", | |
149 "LibprocTest.main(java.lang.String[])" | |
150 }; | |
151 | |
152 private void checkMainThread(JavaThread thread) { | |
153 checkFrames(thread, mainThreadMethods); | |
154 } | |
155 | |
156 private void checkFrames(JavaThread thread, String[] expectedMethodNames) { | |
157 int i = 0; | |
158 for (JavaVFrame vf = getLastJavaVFrame(thread); vf != null; vf = vf.javaSender(), i++) { | |
159 Method m = vf.getMethod(); | |
160 Assert.that(m.externalNameAndSignature().equals(expectedMethodNames[i]), | |
161 "expected frame missing"); | |
162 } | |
163 } | |
164 } |