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/*
* 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 {
}
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