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.vm.ci/jdk.vm.ci.hotspot 34 * jdk.vm.ci/jdk.vm.ci.code 35 * jdk.vm.ci/jdk.vm.ci.code.site 36 * jdk.vm.ci/jdk.vm.ci.meta 37 * jdk.vm.ci/jdk.vm.ci.runtime 38 * 39 * @build jdk.vm.ci/jdk.vm.ci.hotspot.CompilerToVMHelper 40 * @build compiler.jvmci.common.JVMCIHelpers 41 * @run driver jdk.test.lib.FileInstaller ./JvmciNotifyInstallEventTest.config 42 * ./META-INF/services/jdk.vm.ci.services.JVMCIServiceLocator 43 * @run driver ClassFileInstaller 44 * compiler.jvmci.common.JVMCIHelpers$EmptyHotspotCompiler 45 * compiler.jvmci.common.JVMCIHelpers$EmptyCompilerFactory 46 * compiler.jvmci.common.JVMCIHelpers$EmptyCompilationRequestResult 47 * compiler.jvmci.common.JVMCIHelpers$EmptyVMEventListener 48 * @run main/othervm -XX:+UnlockExperimentalVMOptions 49 * -Xbootclasspath/a:. -Xmixed 50 * -XX:+UseJVMCICompiler -XX:-BootstrapJVMCI 51 * -Dcompiler.jvmci.events.JvmciNotifyInstallEventTest.failoninit=false 52 * compiler.jvmci.events.JvmciNotifyInstallEventTest 53 * @run main/othervm -XX:+UnlockExperimentalVMOptions 54 * -Djvmci.compiler=EmptyCompiler -Xbootclasspath/a:. -Xmixed 55 * -XX:+UseJVMCICompiler -XX:-BootstrapJVMCI 56 * -Dcompiler.jvmci.events.JvmciNotifyInstallEventTest.failoninit=false 57 * compiler.jvmci.events.JvmciNotifyInstallEventTest 58 * @run main/othervm -XX:+UnlockExperimentalVMOptions 59 * -Djvmci.compiler=EmptyCompiler -Xbootclasspath/a:. -Xmixed 60 * -XX:+UseJVMCICompiler -XX:-BootstrapJVMCI -XX:JVMCINMethodSizeLimit=0 61 * -Dcompiler.jvmci.events.JvmciNotifyInstallEventTest.failoninit=false 62 * compiler.jvmci.events.JvmciNotifyInstallEventTest 63 * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:-EnableJVMCI 64 * -Djvmci.compiler=EmptyCompiler -Xbootclasspath/a:. -Xmixed 65 * -Dcompiler.jvmci.events.JvmciNotifyInstallEventTest.failoninit=true 66 * compiler.jvmci.events.JvmciNotifyInstallEventTest 67 */ 68 69 package compiler.jvmci.events; 70 71 import compiler.jvmci.common.CTVMUtilities; 72 import compiler.jvmci.common.testcases.SimpleClass; 73 import jdk.test.lib.Asserts; 74 import jdk.test.lib.Utils; 75 import jdk.vm.ci.services.JVMCIServiceLocator; 76 import jdk.vm.ci.code.CompiledCode; 77 import jdk.vm.ci.code.InstalledCode; 78 import jdk.vm.ci.code.site.DataPatch; 79 import jdk.vm.ci.code.site.Site; 80 import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider; 81 import jdk.vm.ci.hotspot.HotSpotCompiledCode; 82 import jdk.vm.ci.hotspot.HotSpotCompiledCode.Comment; 83 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime; 84 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod; 85 import jdk.vm.ci.hotspot.HotSpotVMEventListener; 86 import jdk.vm.ci.meta.Assumptions.Assumption; 87 import jdk.vm.ci.meta.ResolvedJavaMethod; 88 89 import java.lang.reflect.Method; 90 91 public class JvmciNotifyInstallEventTest extends JVMCIServiceLocator implements HotSpotVMEventListener { 92 private static final String METHOD_NAME = "testMethod"; 93 private static final boolean FAIL_ON_INIT = !Boolean.getBoolean( 94 "compiler.jvmci.events.JvmciNotifyInstallEventTest.failoninit"); 95 private static volatile int gotInstallNotification = 0; 96 97 public static void main(String args[]) { 98 new JvmciNotifyInstallEventTest().runTest(); 99 } 100 101 @Override 102 public <S> S getProvider(Class<S> service) { 103 if (service == HotSpotVMEventListener.class) { 104 return service.cast(this); 105 } 106 return null; 107 } 108 109 private void runTest() { 110 if (gotInstallNotification != 0) { 111 throw new Error("Got install notification before test actions"); 112 } 113 HotSpotCodeCacheProvider codeCache; 114 try { 115 codeCache = (HotSpotCodeCacheProvider) HotSpotJVMCIRuntime.runtime() 116 .getHostJVMCIBackend().getCodeCache(); 117 } catch (InternalError ie) { 118 if (FAIL_ON_INIT) { 119 throw new AssertionError( 120 "Got unexpected InternalError trying to get code cache", 121 ie); 122 } 123 // passed 124 return; 125 } 126 Asserts.assertTrue(FAIL_ON_INIT, 127 "Haven't caught InternalError in negative case"); 128 Method testMethod; 129 try { 130 testMethod = SimpleClass.class.getDeclaredMethod(METHOD_NAME); 131 } catch (NoSuchMethodException e) { 132 throw new Error("TEST BUG: Can't find " + METHOD_NAME, e); 133 } 134 HotSpotResolvedJavaMethod method = CTVMUtilities 135 .getResolvedMethod(SimpleClass.class, testMethod); 136 HotSpotCompiledCode compiledCode = new HotSpotCompiledCode(METHOD_NAME, 137 new byte[0], 0, new Site[0], new Assumption[0], 138 new ResolvedJavaMethod[]{method}, new Comment[0], new byte[0], 139 16, new DataPatch[0], false, 0, null); 140 codeCache.installCode(method, compiledCode, /* installedCode = */ null, 141 /* speculationLog = */ null, /* isDefault = */ false); 142 Asserts.assertEQ(gotInstallNotification, 1, 143 "Got unexpected event count after 1st install attempt"); 144 // since "empty" compilation result is ok, a second attempt should be ok 145 codeCache.installCode(method, compiledCode, /* installedCode = */ null, 146 /* speculationLog = */ null, /* isDefault = */ false); 147 Asserts.assertEQ(gotInstallNotification, 2, 148 "Got unexpected event count after 2nd install attempt"); 149 // and an incorrect cases 150 Utils.runAndCheckException(() -> { 151 codeCache.installCode(method, null, null, null, true); 152 }, NullPointerException.class); 153 Asserts.assertEQ(gotInstallNotification, 2, 154 "Got unexpected event count after 3rd install attempt"); 155 Utils.runAndCheckException(() -> { 156 codeCache.installCode(null, null, null, null, true); 157 }, NullPointerException.class); 158 Asserts.assertEQ(gotInstallNotification, 2, 159 "Got unexpected event count after 4th install attempt"); 160 } 161 162 @Override 163 public void notifyInstall(HotSpotCodeCacheProvider hotSpotCodeCacheProvider, 164 InstalledCode installedCode, CompiledCode compiledCode) { 165 gotInstallNotification++; 166 } 167 }