Mercurial > hg > truffle
annotate agent/test/libproc/LibprocClient.java @ 18408:2c3666f44855
Truffle: initial commit of object API implementation
| author | Andreas Woess <andreas.woess@jku.at> |
|---|---|
| date | Tue, 18 Nov 2014 23:19:43 +0100 |
| parents | c18cbe5936b8 |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
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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. |
| 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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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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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 |
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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 } |