| /* |
| * Copyright (c) 2009, 2017, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /** |
| * @test |
| * @bug 6589834 |
| * @summary Safepoint placed between stack pointer increment and decrement leads |
| * to interpreter's stack corruption after deoptimization. |
| * @library /test/lib / |
| * @modules java.base/jdk.internal.misc |
| * java.compiler |
| * java.management |
| * jdk.internal.jvmstat/sun.jvmstat.monitor |
| * |
| * @build sun.hotspot.WhiteBox |
| * @run driver ClassFileInstaller sun.hotspot.WhiteBox |
| * sun.hotspot.WhiteBox$WhiteBoxPermission |
| * @run main/othervm -Xbootclasspath/a:. -XX:+UnlockDiagnosticVMOptions |
| * -XX:+WhiteBoxAPI -XX:+IgnoreUnrecognizedVMOptions -XX:+VerifyStack |
| * -XX:CompileCommand=compileonly,compiler.c2.cr6589834.InlinedArrayCloneTestCase::* |
| * -XX:CompileCommand=dontinline,compiler.c2.cr6589834.InlinedArrayCloneTestCase::invokeArrayClone |
| * -XX:CompileCommand=inline,compiler.c2.cr6589834.InlinedArrayCloneTestCase::verifyArguments |
| * compiler.c2.cr6589834.Test_ia32 |
| */ |
| |
| package compiler.c2.cr6589834; |
| |
| import jdk.test.lib.Asserts; |
| import sun.hotspot.WhiteBox; |
| |
| import java.lang.reflect.Method; |
| |
| public class Test_ia32 { |
| private static final int NUM_THREADS |
| = Math.min(100, 2 * Runtime.getRuntime().availableProcessors()); |
| private static final int CLONE_LENGTH = 1000; |
| |
| private static WhiteBox wb = WhiteBox.getWhiteBox(); |
| |
| private final LoadedClass[] ARRAY = new LoadedClass[Test_ia32.CLONE_LENGTH]; |
| private volatile boolean doSpin = true; |
| private volatile boolean testFailed = false; |
| |
| public boolean continueExecution() { |
| return doSpin; |
| } |
| |
| public void stopExecution() { |
| doSpin = false; |
| } |
| |
| public boolean isTestFailed() { |
| return testFailed; |
| } |
| |
| public void setTestFailed() { |
| this.testFailed = true; |
| stopExecution(); |
| } |
| |
| public LoadedClass[] getArray() { |
| return ARRAY; |
| } |
| |
| public void runTest() { |
| Thread[] threads = new Thread[Test_ia32.NUM_THREADS]; |
| Method method; |
| |
| try { |
| method = InlinedArrayCloneTestCase.class.getDeclaredMethod( |
| "invokeArrayClone", LoadedClass[].class); |
| } catch (NoSuchMethodException e) { |
| throw new Error("Tested method not found", e); |
| } |
| |
| Asserts.assertTrue(wb.isMethodCompilable(method), |
| "Method " + method.getName() + " should be compilable."); |
| |
| for (int i = 0; i < threads.length; i++) { |
| threads[i] = new Thread(new InlinedArrayCloneTestCase(this)); |
| threads[i].start(); |
| } |
| |
| /* |
| * Wait until InlinedArrayCloneTestCase::invokeArrayClone is compiled. |
| */ |
| while (!wb.isMethodCompiled(method)) { |
| Thread.yield(); |
| } |
| |
| /* |
| * Load NotLoadedClass to cause deoptimization of |
| * InlinedArrayCloneTestCase::invokeArrayClone due to invalidated |
| * dependency. |
| */ |
| try { |
| Class.forName(Test_ia32.class.getPackage().getName() + ".NotLoadedClass"); |
| } catch (ClassNotFoundException e) { |
| throw new Error("Unable to load class that invalidates " |
| + "CHA-dependency for method " + method.getName(), e); |
| } |
| |
| stopExecution(); |
| |
| for (Thread thread : threads) { |
| try { |
| thread.join(); |
| } catch (InterruptedException e) { |
| throw new Error("Fail to join thread " + thread, e); |
| } |
| } |
| |
| Asserts.assertFalse(isTestFailed(), "Test failed."); |
| } |
| |
| public static void main(String[] args) { |
| new Test_ia32().runTest(); |
| } |
| } |
| |
| class LoadedClass { |
| } |
| |
| @SuppressWarnings("unused") |
| class NotLoadedClass extends LoadedClass { |
| } |