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.HotSpotJVMCIRuntime;
  65 import jdk.vm.ci.hotspot.HotSpotResolvedJavaMethodImpl;
  66 
  67 public class JvmciNotifyInstallEventTest implements HotSpotVMEventListener {
  68     private static final String METHOD_NAME = "testMethod";
  69     private static final boolean IS_POSITIVE = !Boolean.getBoolean(
  70             "compiler.jvmci.events.JvmciNotifyInstallEventTest.noevent");
  71     private static volatile int gotInstallNotification = 0;
  72 
  73     public static void main(String args[]) {
  74         new JvmciNotifyInstallEventTest().runTest();
  75     }
  76 
  77     private void runTest() {
  78         if (gotInstallNotification != 0) {
  79             throw new Error("Got install notification before test actions");
  80         }
  81         HotSpotCodeCacheProvider codeCache = null;
  82         try {
  83             codeCache = (HotSpotCodeCacheProvider) HotSpotJVMCIRuntime.runtime()
  84                     .getHostJVMCIBackend().getCodeCache();
  85         } catch (InternalError ie) {
  86             if (IS_POSITIVE) {
  87                 throw new AssertionError(
  88                         "Got unexpected InternalError trying to get code cache",
  89                         ie);
  90             }
  91             // passed
  92             return;
  93         }
  94         Asserts.assertTrue(IS_POSITIVE,
  95                     "Haven't caught InternalError in negative case");
  96         Method testMethod;
  97         try {
  98             testMethod = SimpleClass.class.getDeclaredMethod(METHOD_NAME);
  99         } catch (NoSuchMethodException e) {
 100             throw new Error("TEST BUG: Can't find " + METHOD_NAME, e);
 101         }
 102         HotSpotResolvedJavaMethodImpl method = CTVMUtilities
 103                 .getResolvedMethod(SimpleClass.class, testMethod);
 104         CompilationResult compResult = new CompilationResult(METHOD_NAME);

 105         // to pass sanity check of default -1
 106         compResult.setTotalFrameSize(0);
 107         codeCache.installMethod(method, compResult, /* jvmciEnv = */ 0L,
 108                 /* isDefault = */ false);
 109         Asserts.assertEQ(gotInstallNotification, 1,
 110                 "Got unexpected event count after 1st install attempt");
 111         // since "empty" compilation result is ok, a second attempt should be ok
 112         codeCache.installMethod(method, compResult, /* jvmciEnv = */ 0L,
 113                 /* isDefault = */ false);
 114         Asserts.assertEQ(gotInstallNotification, 2,
 115                 "Got unexpected event count after 2nd install attempt");
 116     }
 117 
 118     @Override
 119     public void notifyInstall(HotSpotCodeCacheProvider hotSpotCodeCacheProvider,
 120             InstalledCode installedCode, CompilationResult compResult) {
 121         gotInstallNotification++;
 122     }
 123 }

  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         codeCache.installCode(compRequest, compResult, /* installedCode = */ null, /* speculationLog = */ null,
 115                 /* isDefault = */ false);
 116         Asserts.assertEQ(gotInstallNotification, 2,
 117                 "Got unexpected event count after 2nd install attempt");
 118     }
 119 
 120     @Override
 121     public void notifyInstall(HotSpotCodeCacheProvider hotSpotCodeCacheProvider,
 122             InstalledCode installedCode, CompilationResult compResult) {
 123         gotInstallNotification++;
 124     }
 125 }