1 /* 2 * Copyright (c) 2013, 2013, 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 package org.graalvm.compiler.hotspot.test; 24 25 import org.junit.Assert; 26 import org.junit.Test; 27 28 import org.graalvm.compiler.core.test.GraalCompilerTest; 29 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; 30 31 import jdk.vm.ci.code.InvalidInstalledCodeException; 32 import jdk.vm.ci.hotspot.HotSpotNmethod; 33 import jdk.vm.ci.meta.ResolvedJavaMethod; 34 35 public class HotSpotNmethodTest extends GraalCompilerTest { 36 37 private static final int ITERATION_COUNT = 100000; 38 39 @Test 40 public void testInstallCodeInvalidation() { 41 final ResolvedJavaMethod testJavaMethod = getResolvedJavaMethod("foo"); 42 final HotSpotNmethod nmethod = (HotSpotNmethod) getCode(testJavaMethod, parseEager("otherFoo", AllowAssumptions.YES)); 43 Assert.assertTrue(nmethod.isValid()); 44 Object result; 45 try { 46 result = nmethod.executeVarargs(null, "b", "c"); 47 assertDeepEquals(43, result); 48 } catch (InvalidInstalledCodeException e) { 49 Assert.fail("Code was invalidated"); 50 } 51 Assert.assertTrue(nmethod.isValid()); 52 nmethod.invalidate(); 53 Assert.assertFalse(nmethod.isValid()); 54 try { 55 result = nmethod.executeVarargs(null, null, null); 56 Assert.fail("Code was not invalidated"); 57 } catch (InvalidInstalledCodeException e) { 58 } 59 Assert.assertFalse(nmethod.isValid()); 60 } 61 62 @Test 63 public void testInstallCodeInvalidationWhileRunning() { 64 final ResolvedJavaMethod testJavaMethod = getResolvedJavaMethod("foo"); 65 final HotSpotNmethod nmethod = (HotSpotNmethod) getCode(testJavaMethod, parseEager("otherFoo", AllowAssumptions.YES)); 66 Object result; 67 try { 68 result = nmethod.executeVarargs(nmethod, null, null); 69 assertDeepEquals(43, result); 70 } catch (InvalidInstalledCodeException e) { 71 Assert.fail("Code was invalidated"); 72 } 73 Assert.assertFalse(nmethod.isValid()); 74 } 75 76 @Test 77 public void testInstalledCodeCalledFromCompiledCode() { 78 final ResolvedJavaMethod testJavaMethod = getResolvedJavaMethod("foo"); 79 final HotSpotNmethod nmethod = (HotSpotNmethod) getCode(testJavaMethod, parseEager("otherFoo", AllowAssumptions.YES)); 80 Assert.assertTrue(nmethod.isValid()); 81 try { 82 for (int i = 0; i < ITERATION_COUNT; ++i) { 83 nmethod.executeVarargs(null, "b", "c"); 84 } 85 } catch (InvalidInstalledCodeException e) { 86 Assert.fail("Code was invalidated"); 87 } 88 } 89 90 @SuppressWarnings("unused") 91 public static Object foo(HotSpotNmethod method, Object a2, Object a3) { 92 return 42; 93 } 94 95 @SuppressWarnings("unused") 96 public static Object otherFoo(HotSpotNmethod method, Object a2, Object a3) { 97 if (method != null) { 98 method.invalidate(); 99 } 100 return 43; 101 } 102 }