test/runtime/memory/ReadFromNoaccessArea.java

Tue, 08 Aug 2017 15:57:29 +0800

author
aoqi
date
Tue, 08 Aug 2017 15:57:29 +0800
changeset 6876
710a3c8b516e
parent 6133
e567d5afd4dd
parent 0
f90c822e73f8
permissions
-rw-r--r--

merge

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 /*
aoqi@0 25 * @ignore 8028398
aoqi@0 26 * @test
aoqi@0 27 * @summary Test that touching noaccess area in class ReservedHeapSpace results in SIGSEGV/ACCESS_VIOLATION
aoqi@0 28 * @library /testlibrary /testlibrary/whitebox
aoqi@0 29 * @build ReadFromNoaccessArea
aoqi@0 30 * @run main ClassFileInstaller sun.hotspot.WhiteBox
aoqi@0 31 * @run main ReadFromNoaccessArea
aoqi@0 32 */
aoqi@0 33
aoqi@0 34 import com.oracle.java.testlibrary.*;
aoqi@0 35 import sun.hotspot.WhiteBox;
aoqi@0 36
aoqi@0 37 public class ReadFromNoaccessArea {
aoqi@0 38
aoqi@0 39 public static void main(String args[]) throws Exception {
aoqi@0 40 if (!Platform.is64bit()) {
aoqi@0 41 System.out.println("ReadFromNoaccessArea tests is useful only on 64bit architecture. Passing silently.");
aoqi@0 42 return;
aoqi@0 43 }
aoqi@0 44
aoqi@0 45 ProcessBuilder pb = ProcessTools.createJavaProcessBuilder(
aoqi@0 46 "-Xbootclasspath/a:.",
aoqi@0 47 "-XX:+UnlockDiagnosticVMOptions",
aoqi@0 48 "-XX:+WhiteBoxAPI",
aoqi@0 49 "-XX:+UseCompressedOops",
aoqi@0 50 "-XX:HeapBaseMinAddress=33G",
aoqi@0 51 DummyClassWithMainTryingToReadFromNoaccessArea.class.getName());
aoqi@0 52
aoqi@0 53 OutputAnalyzer output = new OutputAnalyzer(pb.start());
aoqi@0 54 System.out.println("******* Printing stdout for analysis in case of failure *******");
aoqi@0 55 System.out.println(output.getStdout());
aoqi@0 56 System.out.println("******* Printing stderr for analysis in case of failure *******");
aoqi@0 57 System.out.println(output.getStderr());
aoqi@0 58 System.out.println("***************************************************************");
aoqi@0 59 if (output.getStdout() != null && output.getStdout().contains("WB_ReadFromNoaccessArea method is useless")) {
aoqi@0 60 // Test conditions broken. There is no protected page in ReservedHeapSpace in these circumstances. Silently passing test.
aoqi@0 61 return;
aoqi@0 62 }
aoqi@0 63 if (Platform.isWindows()) {
aoqi@0 64 output.shouldContain("EXCEPTION_ACCESS_VIOLATION");
aoqi@0 65 } else if (Platform.isOSX()) {
aoqi@0 66 output.shouldContain("SIGBUS");
aoqi@0 67 } else {
aoqi@0 68 output.shouldContain("SIGSEGV");
aoqi@0 69 }
aoqi@0 70 }
aoqi@0 71
aoqi@0 72 public static class DummyClassWithMainTryingToReadFromNoaccessArea {
aoqi@0 73
aoqi@0 74 // This method calls whitebox method reading from noaccess area
aoqi@0 75 public static void main(String args[]) throws Exception {
aoqi@0 76 WhiteBox.getWhiteBox().readFromNoaccessArea();
aoqi@0 77 throw new Exception("Call of readFromNoaccessArea succeeded! This is wrong. Crash expected. Test failed.");
aoqi@0 78 }
aoqi@0 79 }
aoqi@0 80
aoqi@0 81 }

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