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.arch != "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.CompilationResult;
  62 import jdk.vm.ci.code.InstalledCode;
  63 import jdk.vm.ci.hotspot.HotSpotCodeCacheProvider;
  64 import jdk.vm.ci.hotspot.HotSpotCompilationRequest;
  65 import jdk.vm.ci.hotspot.HotSpotJVMCIRuntime;
  66 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethod;
  67 
  68 public class JvmciNotifyInstallEventTest implements HotSpotVMEventListener {
  69     private static final String METHOD_NAME = "testMethod";
  70     private static final boolean IS_POSITIVE = !Boolean.getBoolean(
  71             "compiler.jvmci.events.JvmciNotifyInstallEventTest.noevent");
  72     private static volatile int gotInstallNotification = 0;
  73 
  74     public static void main(String args[]) {
  75         new JvmciNotifyInstallEventTest().runTest();
  76     }
  77 
  78     private void runTest() {
  79         if (gotInstallNotification != 0) {
  80             throw new Error("Got install notification before test actions");
  81         }
  82         HotSpotCodeCacheProvider codeCache = null;
  83         try {
  84             codeCache = (HotSpotCodeCacheProvider) HotSpotJVMCIRuntime.runtime()
  85                     .getHostJVMCIBackend().getCodeCache();
  86         } catch (InternalError ie) {
  87             if (IS_POSITIVE) {
  88                 throw new AssertionError(
  89                         "Got unexpected InternalError trying to get code cache",
  90                         ie);
  91             }
  92             // passed
  93             return;
  94         }
  95         Asserts.assertTrue(IS_POSITIVE,
  96                     "Haven't caught InternalError in negative case");
  97         Method testMethod;
  98         try {
  99             testMethod = SimpleClass.class.getDeclaredMethod(METHOD_NAME);
 100         } catch (NoSuchMethodException e) {
 101             throw new Error("TEST BUG: Can't find " + METHOD_NAME, e);
 102         }
 103         HotSpotResolvedJavaMethod method = CTVMUtilities
 104                 .getResolvedMethod(SimpleClass.class, testMethod);
 105         CompilationResult compResult = new CompilationResult(METHOD_NAME);
 106         HotSpotCompilationRequest compRequest = new HotSpotCompilationRequest(method, -1, 0L);
 107         // to pass sanity check of default -1
 108         compResult.setTotalFrameSize(0);
 109         codeCache.installCode(compRequest, compResult, /* installedCode = */ null, /* speculationLog = */ null,
 110                 /* isDefault = */ false);
 111         Asserts.assertEQ(gotInstallNotification, 1,
 112                 "Got unexpected event count after 1st install attempt");
 113         // since "empty" compilation result is ok, a second attempt should be ok
 114         compResult = new CompilationResult(METHOD_NAME); // create another instance with fresh state
 115         compResult.setTotalFrameSize(0);
 116         codeCache.installCode(compRequest, compResult, /* installedCode = */ null, /* speculationLog = */ null,
 117                 /* isDefault = */ false);
 118         Asserts.assertEQ(gotInstallNotification, 2,
 119                 "Got unexpected event count after 2nd install attempt");
 120     }
 121 
 122     @Override
 123     public void notifyInstall(HotSpotCodeCacheProvider hotSpotCodeCacheProvider,
 124             InstalledCode installedCode, CompilationResult compResult) {
 125         gotInstallNotification++;
 126     }
 127 }