| /* |
| * Copyright (c) 2011, 2016, 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. |
| */ |
| package org.graalvm.compiler.hotspot.test; |
| |
| import static org.hamcrest.CoreMatchers.not; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertThat; |
| |
| import java.util.Arrays; |
| import java.util.List; |
| |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.code.CompilationResult; |
| import org.graalvm.compiler.core.test.GraalCompilerTest; |
| import org.graalvm.compiler.debug.GraalError; |
| |
| import jdk.vm.ci.code.BytecodeFrame; |
| import jdk.vm.ci.code.InstalledCode; |
| import jdk.vm.ci.code.StackLockValue; |
| import jdk.vm.ci.code.site.Call; |
| import jdk.vm.ci.code.site.Infopoint; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| |
| public class HotSpotMonitorValueTest extends GraalCompilerTest { |
| |
| @Override |
| protected InstalledCode addMethod(ResolvedJavaMethod method, CompilationResult compResult) { |
| for (Infopoint i : compResult.getInfopoints()) { |
| if (i instanceof Call) { |
| Call call = (Call) i; |
| if (call.target instanceof ResolvedJavaMethod) { |
| ResolvedJavaMethod target = (ResolvedJavaMethod) call.target; |
| if (target.equals(lookupObjectWait())) { |
| BytecodeFrame frame = call.debugInfo.frame(); |
| BytecodeFrame caller = frame.caller(); |
| assertNotNull(caller); |
| assertNull(caller.caller()); |
| assertDeepEquals(2, frame.numLocks); |
| assertDeepEquals(2, caller.numLocks); |
| StackLockValue lock1 = (StackLockValue) frame.getLockValue(0); |
| StackLockValue lock2 = (StackLockValue) frame.getLockValue(1); |
| StackLockValue lock3 = (StackLockValue) caller.getLockValue(0); |
| StackLockValue lock4 = (StackLockValue) caller.getLockValue(1); |
| |
| List<StackLockValue> locks = Arrays.asList(lock1, lock2, lock3, lock4); |
| for (StackLockValue lock : locks) { |
| for (StackLockValue other : locks) { |
| if (other != lock) { |
| // Every lock must have a different stack slot |
| assertThat(lock.getSlot(), not(other.getSlot())); |
| } |
| } |
| } |
| assertDeepEquals(lock3.getOwner(), lock4.getOwner()); |
| assertThat(lock1.getOwner(), not(lock2.getOwner())); |
| return super.addMethod(method, compResult); |
| } |
| } |
| } |
| } |
| throw new AssertionError("Could not find debug info for call to Object.wait(long)"); |
| } |
| |
| private ResolvedJavaMethod lookupObjectWait() { |
| try { |
| return getMetaAccess().lookupJavaMethod(Object.class.getDeclaredMethod("wait", long.class)); |
| } catch (Exception e) { |
| throw new GraalError("Could not find Object.wait(long): %s", e); |
| } |
| } |
| |
| @Test |
| public void test() { |
| test("testSnippet", "a", "b"); |
| } |
| |
| private static void locks2(Object a, Object b) throws InterruptedException { |
| synchronized (a) { |
| synchronized (b) { |
| a.wait(5); |
| } |
| } |
| } |
| |
| public static void testSnippet(Object a, Object b) throws InterruptedException { |
| synchronized (a) { |
| synchronized (a) { |
| locks2(a, b); |
| } |
| } |
| } |
| } |