1 /*
   2  * Copyright (c) 2015, 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 (os.simpleArch == "x64" | os.simpleArch == "sparcv9" | os.simpleArch == "aarch64")
  28  * @library / /testlibrary
  29  * @compile ../common/CompilerToVMHelper.java
  30  * @build compiler.jvmci.common.JVMCIHelpers
  31  *     compiler.jvmci.events.JvmciNotifyInstallEventTest
  32  * @run main jdk.test.lib.FileInstaller ../common/services/ ./META-INF/services/
  33  * @run main jdk.test.lib.FileInstaller ./JvmciNotifyInstallEventTest.config
  34  *     ./META-INF/services/jdk.vm.ci.hotspot.HotSpotVMEventListener
  35  * @run main ClassFileInstaller
  36  *     compiler.jvmci.common.JVMCIHelpers$EmptyHotspotCompiler
  37  *     compiler.jvmci.common.JVMCIHelpers$EmptyCompilerFactory
  38  *     compiler.jvmci.events.JvmciNotifyInstallEventTest
  39  *     compiler.jvmci.common.CTVMUtilities
  40  *     compiler.jvmci.common.testcases.SimpleClass
  41  *     jdk.vm.ci.hotspot.CompilerToVMHelper
  42  *     jdk.test.lib.Asserts
  43  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI
  44  *     -Djvmci.compiler=EmptyCompiler -Xbootclasspath/a:. -Xmixed
  45  *     -XX:+UseJVMCICompiler -XX:-BootstrapJVMCI
  46  *     -Dcompiler.jvmci.events.JvmciNotifyInstallEventTest.noevent=false
  47  *     compiler.jvmci.events.JvmciNotifyInstallEventTest
  48  * @run main/othervm -XX:+UnlockExperimentalVMOptions -XX:-EnableJVMCI
  49  *     -Djvmci.compiler=EmptyCompiler -Xbootclasspath/a:. -Xmixed
  50  *     -Dcompiler.jvmci.events.JvmciNotifyInstallEventTest.noevent=true
  51  *     compiler.jvmci.events.JvmciNotifyInstallEventTest
  52  */
  53 
  54 package compiler.jvmci.events;
  55 
  56 import compiler.jvmci.common.CTVMUtilities;
  57 import compiler.jvmci.common.testcases.SimpleClass;
  58 import jdk.test.lib.Asserts;
  59 import java.lang.reflect.Method;
  60 import jdk.vm.ci.hotspot.HotSpotVMEventListener;
  61 import jdk.vm.ci.code.CompiledCode;
  62 import jdk.vm.ci.code.InstalledCode;
  63 import jdk.vm.ci.code.site.DataPatch;
  64 import jdk.vm.ci.code.site.Site;
  65 import jdk.vm.ci.meta.Assumptions.Assumption;
  66 import jdk.vm.ci.meta.ResolvedJavaMethod;
  67 import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider;
  68 import jdk.vm.ci.hotspot.HotSpotCompiledCode;
  69 import jdk.vm.ci.hotspot.HotSpotCompiledCode.Comment;
  70 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
  71 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  72 
  73 public class JvmciNotifyInstallEventTest implements HotSpotVMEventListener {
  74     private static final String METHOD_NAME = "testMethod";
  75     private static final boolean IS_POSITIVE = !Boolean.getBoolean(
  76             "compiler.jvmci.events.JvmciNotifyInstallEventTest.noevent");
  77     private static volatile int gotInstallNotification = 0;
  78 
  79     public static void main(String args[]) {
  80         new JvmciNotifyInstallEventTest().runTest();
  81     }
  82 
  83     private void runTest() {
  84         if (gotInstallNotification != 0) {
  85             throw new Error("Got install notification before test actions");
  86         }
  87         HotSpotCodeCacheProvider codeCache = null;
  88         try {
  89             codeCache = (HotSpotCodeCacheProvider) HotSpotJVMCIRuntime.runtime()
  90                     .getHostJVMCIBackend().getCodeCache();
  91         } catch (InternalError ie) {
  92             if (IS_POSITIVE) {
  93                 throw new AssertionError(
  94                         "Got unexpected InternalError trying to get code cache",
  95                         ie);
  96             }
  97             // passed
  98             return;
  99         }
 100         Asserts.assertTrue(IS_POSITIVE,
 101                     "Haven't caught InternalError in negative case");
 102         Method testMethod;
 103         try {
 104             testMethod = SimpleClass.class.getDeclaredMethod(METHOD_NAME);
 105         } catch (NoSuchMethodException e) {
 106             throw new Error("TEST BUG: Can't find " + METHOD_NAME, e);
 107         }
 108         HotSpotResolvedJavaMethod method = CTVMUtilities
 109                 .getResolvedMethod(SimpleClass.class, testMethod);
 110         HotSpotCompiledCode compiledCode = new HotSpotCompiledCode(METHOD_NAME, new byte[0], 0, new Site[0],
 111                 new Assumption[0], new ResolvedJavaMethod[]{method}, new Comment[0], new byte[0], 16,
 112                 new DataPatch[0], false, 0, null);
 113         codeCache.installCode(method, compiledCode, /* installedCode = */ null, /* speculationLog = */ null,
 114                 /* isDefault = */ false);
 115         Asserts.assertEQ(gotInstallNotification, 1,
 116                 "Got unexpected event count after 1st install attempt");
 117         // since "empty" compilation result is ok, a second attempt should be ok
 118         codeCache.installCode(method, compiledCode, /* installedCode = */ null, /* speculationLog = */ null,
 119                 /* isDefault = */ false);
 120         Asserts.assertEQ(gotInstallNotification, 2,
 121                 "Got unexpected event count after 2nd install attempt");
 122     }
 123 
 124     @Override
 125     public void notifyInstall(HotSpotCodeCacheProvider hotSpotCodeCacheProvider,
 126             InstalledCode installedCode, CompiledCode compiledCode) {
 127         gotInstallNotification++;
 128     }
 129 }