1 /* 2 * Copyright (c) 2015, 2016, 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 8136421 27 * @requires vm.jvmci 28 * @library / /test/lib 29 * @library ../common/patches 30 * @modules java.base/jdk.internal.misc 31 * @modules java.base/jdk.internal.org.objectweb.asm 32 * java.base/jdk.internal.org.objectweb.asm.tree 33 * jdk.internal.vm.ci/jdk.vm.ci.hotspot 34 * jdk.internal.vm.ci/jdk.vm.ci.code 35 * jdk.internal.vm.ci/jdk.vm.ci.code.site 36 * jdk.internal.vm.ci/jdk.vm.ci.meta 37 * jdk.internal.vm.ci/jdk.vm.ci.runtime 38 * jdk.internal.vm.ci/jdk.vm.ci.services 39 * 40 * @build jdk.internal.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 41 * @build compiler.jvmci.common.JVMCIHelpers 42 * @run driver jdk.test.lib.FileInstaller ./JvmciNotifyInstallEventTest.config 43 * ./META-INF/services/jdk.vm.ci.services.JVMCIServiceLocator 44 * @run driver ClassFileInstaller 45 * compiler.jvmci.common.JVMCIHelpers$EmptyHotspotCompiler 46 * compiler.jvmci.common.JVMCIHelpers$EmptyCompilerFactory 47 * compiler.jvmci.common.JVMCIHelpers$EmptyCompilationRequestResult 48 * compiler.jvmci.common.JVMCIHelpers$EmptyVMEventListener 49 * @run main/othervm -XX:+UnlockExperimentalVMOptions 50 * -Xbootclasspath/a:. -Xmixed 51 * -XX:+UseJVMCICompiler -XX:-BootstrapJVMCI 52 * compiler.jvmci.events.JvmciNotifyInstallEventTest 53 * @run main/othervm -XX:+UnlockExperimentalVMOptions 54 * -Djvmci.Compiler=EmptyCompiler -Xbootclasspath/a:. -Xmixed 55 * -XX:+UseJVMCICompiler -XX:-BootstrapJVMCI 56 * compiler.jvmci.events.JvmciNotifyInstallEventTest 57 * @run main/othervm -XX:+UnlockExperimentalVMOptions 58 * -Djvmci.Compiler=EmptyCompiler -Xbootclasspath/a:. -Xmixed 59 * -XX:+UseJVMCICompiler -XX:-BootstrapJVMCI -XX:JVMCINMethodSizeLimit=0 60 * compiler.jvmci.events.JvmciNotifyInstallEventTest 61 */ 62 63 package compiler.jvmci.events; 64 65 import compiler.jvmci.common.CTVMUtilities; 66 import compiler.jvmci.common.testcases.SimpleClass; 67 import jdk.test.lib.Asserts; 68 import jdk.test.lib.Utils; 69 import jdk.vm.ci.services.JVMCIServiceLocator; 70 import jdk.vm.ci.code.CompiledCode; 71 import jdk.vm.ci.code.InstalledCode; 72 import jdk.vm.ci.code.site.DataPatch; 73 import jdk.vm.ci.code.site.Site; 74 import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider; 75 import jdk.vm.ci.hotspot.HotSpotCompiledCode; 76 import jdk.vm.ci.hotspot.HotSpotCompiledCode.Comment; 77 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime; 78 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 79 import jdk.vm.ci.hotspot.HotSpotVMEventListener; 80 import jdk.vm.ci.meta.Assumptions.Assumption; 81 import jdk.vm.ci.meta.ResolvedJavaMethod; 82 83 import java.lang.reflect.Method; 84 85 public class JvmciNotifyInstallEventTest extends JVMCIServiceLocator implements HotSpotVMEventListener { 86 private static final String METHOD_NAME = "testMethod"; 87 private static volatile int gotInstallNotification = 0; 88 89 public static void main(String args[]) { 90 new JvmciNotifyInstallEventTest().runTest(); 91 } 92 93 @Override 94 public <S> S getProvider(Class<S> service) { 95 if (service == HotSpotVMEventListener.class) { 96 return service.cast(this); 97 } 98 return null; 99 } 100 101 private void runTest() { 102 if (gotInstallNotification != 0) { 103 throw new Error("Got install notification before test actions"); 104 } 105 HotSpotCodeCacheProvider codeCache; 106 try { 107 codeCache = (HotSpotCodeCacheProvider) HotSpotJVMCIRuntime.runtime() 108 .getHostJVMCIBackend().getCodeCache(); 109 } catch (InternalError ie) { 110 // passed 111 return; 112 } 113 Method testMethod; 114 try { 115 testMethod = SimpleClass.class.getDeclaredMethod(METHOD_NAME); 116 } catch (NoSuchMethodException e) { 117 throw new Error("TEST BUG: Can't find " + METHOD_NAME, e); 118 } 119 HotSpotResolvedJavaMethod method = CTVMUtilities 120 .getResolvedMethod(SimpleClass.class, testMethod); 121 HotSpotCompiledCode compiledCode = new HotSpotCompiledCode(METHOD_NAME, 122 new byte[0], 0, new Site[0], new Assumption[0], 123 new ResolvedJavaMethod[]{method}, new Comment[0], new byte[0], 124 16, new DataPatch[0], false, 0, null); 125 codeCache.installCode(method, compiledCode, /* installedCode = */ null, 126 /* speculationLog = */ null, /* isDefault = */ false); 127 Asserts.assertEQ(gotInstallNotification, 1, 128 "Got unexpected event count after 1st install attempt"); 129 // since "empty" compilation result is ok, a second attempt should be ok 130 codeCache.installCode(method, compiledCode, /* installedCode = */ null, 131 /* speculationLog = */ null, /* isDefault = */ false); 132 Asserts.assertEQ(gotInstallNotification, 2, 133 "Got unexpected event count after 2nd install attempt"); 134 // and an incorrect cases 135 Utils.runAndCheckException(() -> { 136 codeCache.installCode(method, null, null, null, true); 137 }, NullPointerException.class); 138 Asserts.assertEQ(gotInstallNotification, 2, 139 "Got unexpected event count after 3rd install attempt"); 140 Utils.runAndCheckException(() -> { 141 codeCache.installCode(null, null, null, null, true); 142 }, NullPointerException.class); 143 Asserts.assertEQ(gotInstallNotification, 2, 144 "Got unexpected event count after 4th install attempt"); 145 } 146 147 @Override 148 public void notifyInstall(HotSpotCodeCacheProvider hotSpotCodeCacheProvider, 149 InstalledCode installedCode, CompiledCode compiledCode) { 150 gotInstallNotification++; 151 } 152 }