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 * -Dcompiler.jvmci.events.JvmciNotifyInstallEventTest.failoninit=false 53 * compiler.jvmci.events.JvmciNotifyInstallEventTest 54 * @run main/othervm -XX:+UnlockExperimentalVMOptions 55 * -Djvmci.Compiler=EmptyCompiler -Xbootclasspath/a:. -Xmixed 56 * -XX:+UseJVMCICompiler -XX:-BootstrapJVMCI 57 * -Dcompiler.jvmci.events.JvmciNotifyInstallEventTest.failoninit=false 58 * compiler.jvmci.events.JvmciNotifyInstallEventTest 59 * @run main/othervm -XX:+UnlockExperimentalVMOptions 60 * -Djvmci.Compiler=EmptyCompiler -Xbootclasspath/a:. -Xmixed 61 * -XX:+UseJVMCICompiler -XX:-BootstrapJVMCI -XX:JVMCINMethodSizeLimit=0 62 * -Dcompiler.jvmci.events.JvmciNotifyInstallEventTest.failoninit=false 63 * compiler.jvmci.events.JvmciNotifyInstallEventTest 64 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:-EnableJVMCI 65 * -Djvmci.Compiler=EmptyCompiler -Xbootclasspath/a:. -Xmixed 66 * -Dcompiler.jvmci.events.JvmciNotifyInstallEventTest.failoninit=true 67 * compiler.jvmci.events.JvmciNotifyInstallEventTest 68 */ 69 70 package compiler.jvmci.events; 71 72 import compiler.jvmci.common.CTVMUtilities; 73 import compiler.jvmci.common.testcases.SimpleClass; 74 import jdk.test.lib.Asserts; 75 import jdk.test.lib.Utils; 76 import jdk.vm.ci.services.JVMCIServiceLocator; 77 import jdk.vm.ci.code.CompiledCode; 78 import jdk.vm.ci.code.InstalledCode; 79 import jdk.vm.ci.code.site.DataPatch; 80 import jdk.vm.ci.code.site.Site; 81 import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider; 82 import jdk.vm.ci.hotspot.HotSpotCompiledCode; 83 import jdk.vm.ci.hotspot.HotSpotCompiledCode.Comment; 84 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime; 85 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 86 import jdk.vm.ci.hotspot.HotSpotVMEventListener; 87 import jdk.vm.ci.meta.Assumptions.Assumption; 88 import jdk.vm.ci.meta.ResolvedJavaMethod; 89 90 import java.lang.reflect.Method; 91 92 public class JvmciNotifyInstallEventTest extends JVMCIServiceLocator implements HotSpotVMEventListener { 93 private static final String METHOD_NAME = "testMethod"; 94 private static final boolean FAIL_ON_INIT = !Boolean.getBoolean( 95 "compiler.jvmci.events.JvmciNotifyInstallEventTest.failoninit"); 96 private static volatile int gotInstallNotification = 0; 97 98 public static void main(String args[]) { 99 new JvmciNotifyInstallEventTest().runTest(); 100 } 101 102 @Override 103 public <S> S getProvider(Class<S> service) { 104 if (service == HotSpotVMEventListener.class) { 105 return service.cast(this); 106 } 107 return null; 108 } 109 110 private void runTest() { 111 if (gotInstallNotification != 0) { 112 throw new Error("Got install notification before test actions"); 113 } 114 HotSpotCodeCacheProvider codeCache; 115 try { 116 codeCache = (HotSpotCodeCacheProvider) HotSpotJVMCIRuntime.runtime() 117 .getHostJVMCIBackend().getCodeCache(); 118 } catch (InternalError ie) { 119 if (FAIL_ON_INIT) { 120 throw new AssertionError( 121 "Got unexpected InternalError trying to get code cache", 122 ie); 123 } 124 // passed 125 return; 126 } 127 Asserts.assertTrue(FAIL_ON_INIT, 128 "Haven't caught InternalError in negative case"); 129 Method testMethod; 130 try { 131 testMethod = SimpleClass.class.getDeclaredMethod(METHOD_NAME); 132 } catch (NoSuchMethodException e) { 133 throw new Error("TEST BUG: Can't find " + METHOD_NAME, e); 134 } 135 HotSpotResolvedJavaMethod method = CTVMUtilities 136 .getResolvedMethod(SimpleClass.class, testMethod); 137 HotSpotCompiledCode compiledCode = new HotSpotCompiledCode(METHOD_NAME, 138 new byte[0], 0, new Site[0], new Assumption[0], 139 new ResolvedJavaMethod[]{method}, new Comment[0], new byte[0], 140 16, new DataPatch[0], false, 0, null); 141 codeCache.installCode(method, compiledCode, /* installedCode = */ null, 142 /* speculationLog = */ null, /* isDefault = */ false); 143 Asserts.assertEQ(gotInstallNotification, 1, 144 "Got unexpected event count after 1st install attempt"); 145 // since "empty" compilation result is ok, a second attempt should be ok 146 codeCache.installCode(method, compiledCode, /* installedCode = */ null, 147 /* speculationLog = */ null, /* isDefault = */ false); 148 Asserts.assertEQ(gotInstallNotification, 2, 149 "Got unexpected event count after 2nd install attempt"); 150 // and an incorrect cases 151 Utils.runAndCheckException(() -> { 152 codeCache.installCode(method, null, null, null, true); 153 }, NullPointerException.class); 154 Asserts.assertEQ(gotInstallNotification, 2, 155 "Got unexpected event count after 3rd install attempt"); 156 Utils.runAndCheckException(() -> { 157 codeCache.installCode(null, null, null, null, true); 158 }, NullPointerException.class); 159 Asserts.assertEQ(gotInstallNotification, 2, 160 "Got unexpected event count after 4th install attempt"); 161 } 162 163 @Override 164 public void notifyInstall(HotSpotCodeCacheProvider hotSpotCodeCacheProvider, 165 InstalledCode installedCode, CompiledCode compiledCode) { 166 gotInstallNotification++; 167 } 168 }