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annotate test/runtime/memory/ReadFromNoaccessArea.java @ 13053:9d8b29a0548c

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8027237: New tests on ReservedSpace/VirtualSpace classes Summary: Three tests added: 1) test stressing VirtualSpace by resizing it constantly 2) test running unit tests in several threads 3) test checking protected area in ReservedHeapSpace class Reviewed-by: stefank, zgu Contributed-by: aleksey.timofeev@oracle.com
author mgerdin
date Fri, 08 Nov 2013 16:48:21 +0100
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children e567d5afd4dd
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1 /*
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2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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4 *
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5 * This code is free software; you can redistribute it and/or modify it
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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation.
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8 *
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9 * This code is distributed in the hope that it will be useful, but WITHOUT
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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12 * version 2 for more details (a copy is included in the LICENSE file that
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13 * accompanied this code).
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14 *
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15 * You should have received a copy of the GNU General Public License version
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16 * 2 along with this work; if not, write to the Free Software Foundation,
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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18 *
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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20 * or visit www.oracle.com if you need additional information or have any
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21 * questions.
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22 */
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23
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24 /*
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25 * @test
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26 * @summary Test that touching noaccess area in class ReservedHeapSpace results in SIGSEGV/ACCESS_VIOLATION
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27 * @library /testlibrary /testlibrary/whitebox
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28 * @build ReadFromNoaccessArea
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29 * @run main ClassFileInstaller sun.hotspot.WhiteBox
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30 * @run main ReadFromNoaccessArea
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31 */
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32
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33 import com.oracle.java.testlibrary.*;
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34 import sun.hotspot.WhiteBox;
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35
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36 public class ReadFromNoaccessArea {
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37
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38 public static void main(String args[]) throws Exception {
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39 if (!Platform.is64bit()) {
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40 System.out.println("ReadFromNoaccessArea tests is useful only on 64bit architecture. Passing silently.");
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41 return;
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42 }
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43
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44 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
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45 "-Xbootclasspath/a:.",
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46 "-XX:+UnlockDiagnosticVMOptions",
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47 "-XX:+WhiteBoxAPI",
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48 "-XX:+UseCompressedOops",
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49 "-XX:HeapBaseMinAddress=33G",
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50 DummyClassWithMainTryingToReadFromNoaccessArea.class.getName());
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51
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52 OutputAnalyzer output = new OutputAnalyzer(pb.start());
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53 System.out.println("******* Printing stdout for analysis in case of failure *******");
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54 System.out.println(output.getStdout());
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55 System.out.println("******* Printing stderr for analysis in case of failure *******");
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56 System.out.println(output.getStderr());
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57 System.out.println("***************************************************************");
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58 if (output.getStdout() != null && output.getStdout().contains("WB_ReadFromNoaccessArea method is useless")) {
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59 // Test conditions broken. There is no protected page in ReservedHeapSpace in these circumstances. Silently passing test.
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60 return;
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61 }
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62 if (Platform.isWindows()) {
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63 output.shouldContain("EXCEPTION_ACCESS_VIOLATION");
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64 } else if (Platform.isOSX()) {
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65 output.shouldContain("SIGBUS");
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66 } else {
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67 output.shouldContain("SIGSEGV");
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68 }
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69 }
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70
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71 public static class DummyClassWithMainTryingToReadFromNoaccessArea {
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72
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73 // This method calls whitebox method reading from noaccess area
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74 public static void main(String args[]) throws Exception {
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75 WhiteBox.getWhiteBox().readFromNoaccessArea();
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76 throw new Exception("Call of readFromNoaccessArea succeeded! This is wrong. Crash expected. Test failed.");
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77 }
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78 }
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79
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80 }