1 /* 2 * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved. 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 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @bug 6589834 27 * @summary Safepoint placed between stack pointer increment and decrement leads 28 * to interpreter's stack corruption after deoptimization. 29 * @library /testlibrary /testlibrary/whitebox 30 * @build ClassFileInstaller sun.hotspot.WhiteBox com.oracle.java.testlibrary.* 31 * Test_ia32 InlinedArrayCloneTestCase 32 * @run main ClassFileInstaller sun.hotspot.WhiteBox 33 * sun.hotspot.WhiteBox$WhiteBoxPermission 34 * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions 35 * -XX:+WhiteBoxAPI -XX:CompileOnly=InlinedArrayCloneTestCase 36 * -XX:CompileCommand=dontinline,InlinedArrayCloneTestCase.invokeArrayClone 37 * -XX:CompileCommand=inline,InlinedArrayCloneTestCase.verifyArguments 38 * -XX:+IgnoreUnrecognizedVMOptions -XX:+VerifyStack Test_ia32 39 */ 40 41 import java.lang.reflect.Method; 42 43 import com.oracle.java.testlibrary.Asserts; 44 import sun.hotspot.WhiteBox; 45 46 public class Test_ia32 { 47 private static final int NUM_THREADS 48 = Math.min(100, 2 * Runtime.getRuntime().availableProcessors()); 49 private static final int CLONE_LENGTH = 1000; 50 51 private static WhiteBox wb = WhiteBox.getWhiteBox(); 52 53 private final LoadedClass[] ARRAY = new LoadedClass[Test_ia32.CLONE_LENGTH]; 54 private volatile boolean doSpin = true; 55 private volatile boolean testFailed = false; 56 57 public boolean continueExecution() { 58 return doSpin; 59 } 60 61 public void stopExecution() { 62 doSpin = false; 63 } 64 65 public boolean isTestFailed() { 66 return testFailed; 67 } 68 69 public void setTestFailed() { 70 this.testFailed = true; 71 stopExecution(); 72 } 73 74 public LoadedClass[] getArray() { 75 return ARRAY; 76 } 77 78 public void runTest() { 79 Thread[] threads = new Thread[Test_ia32.NUM_THREADS]; 80 Method method; 81 82 try { 83 method = InlinedArrayCloneTestCase.class.getDeclaredMethod( 84 "invokeArrayClone", LoadedClass[].class); 85 } catch (NoSuchMethodException e) { 86 throw new Error("Tested method not found", e); 87 } 88 89 Asserts.assertTrue(wb.isMethodCompilable(method), 90 "Method " + method.getName() + " should be compilable."); 91 92 for (int i = 0; i < threads.length; i++) { 93 threads[i] = new Thread(new InlinedArrayCloneTestCase(this)); 94 threads[i].start(); 95 } 96 97 /* 98 * Wait until InlinedArrayCloneTestCase::invokeArrayClone is compiled. 99 */ 100 while (!wb.isMethodCompiled(method)) { 101 Thread.yield(); 102 } 103 104 /* 105 * Load NotLoadedClass to cause deoptimization of 106 * InlinedArrayCloneTestCase::invokeArrayClone due to invalidated 107 * dependency. 108 */ 109 try { 110 Class.forName("NotLoadedClass"); 111 } catch (ClassNotFoundException e) { 112 throw new Error("Unable to load class that invalidates " 113 + "CHA-dependency for method " + method.getName(), e); 114 } 115 116 stopExecution(); 117 118 for (Thread thread : threads) { 119 try { 120 thread.join(); 121 } catch (InterruptedException e) { 122 throw new Error("Fail to join thread " + thread, e); 123 } 124 } 125 126 Asserts.assertFalse(isTestFailed(), "Test failed."); 127 } 128 129 public static void main(String[] args) { 130 new Test_ia32().runTest(); 131 } 132 } 133 134 class LoadedClass { 135 } 136 137 @SuppressWarnings("unused") 138 class NotLoadedClass extends LoadedClass { 139 }