cvm/overlay: Fix whitebox isclassalive mismatch

cvm.mk

@@ -447,6 +447,7 @@ endif
 	$(call overlay_single,jdk8u,hotspot/test/gc/arguments/TestInitialTenuringThreshold.java, $(JDK8_SRCROOT))
 	$(call overlay_single,jdk8u,hotspot/test/gc/arguments/TestUnrecognizedVMOptionsHandling.java, $(JDK8_SRCROOT))
 	$(call overlay_single,jdk8u,hotspot/test/gc/arguments/TestUseCompressedOopsErgoTools.java, $(JDK8_SRCROOT))
+	$(call overlay_single,jdk8u,hotspot/test/testlibrary/whitebox/sun/hotspot/WhiteBox.java, $(JDK8_SRCROOT))
 
 -overlay-jtreg:
 	$(call overlay_single,jdk8u,test/jtreg-ext/requires/VMProps.java, $(JDK8_SRCROOT))

cvm/conf/jtreg_hotspot8_excludes_aarch64.list

@@ -24,7 +24,6 @@ compiler/tiered/NonTieredLevelsTest.java
 compiler/tiered/LevelTransitionTest.java
 gc/6941923/Test6941923.java
 gc/arguments/TestSurvivorAlignmentInBytesOption.java
-gc/class_unloading/TestClassUnloadingDisabled.java
 gc/class_unloading/TestCMSClassUnloadingEnabledHWM.java
 gc/class_unloading/TestG1ClassUnloadingHWM.java
 gc/ergonomics/TestDynamicNumberOfGCThreads.java
@@ -69,14 +68,6 @@ runtime/CDSCompressedKPtrs/CDSCompressedKPtrs.java
 runtime/CDSCompressedKPtrs/CDSCompressedKPtrsError.java
 runtime/CheckEndorsedAndExtDirs/EndorsedExtDirs.java
 runtime/ClassFile/UnsupportedClassFileVersion.java
-runtime/ClassUnload/ConstantPoolDependsTest.java
-runtime/ClassUnload/DictionaryDependsTest.java
-runtime/ClassUnload/KeepAliveClass.java
-runtime/ClassUnload/KeepAliveClassLoader.java
-runtime/ClassUnload/KeepAliveObject.java
-runtime/ClassUnload/KeepAliveSoftReference.java
-runtime/ClassUnload/SuperDependsTest.java
-runtime/ClassUnload/UnloadTest.java
 runtime/CommandLine/PrintFlagsUintxTest.java
 runtime/CommandLine/TraceExceptionsTest.java
 runtime/CommandLine/UnrecognizedVMOption.java

cvm/conf/jtreg_hotspot8_excludes_x64.list

@@ -18,7 +18,6 @@ compiler/tiered/NonTieredLevelsTest.java
 compiler/tiered/LevelTransitionTest.java
 gc/6941923/Test6941923.java
 gc/arguments/TestSurvivorAlignmentInBytesOption.java
-gc/class_unloading/TestClassUnloadingDisabled.java
 gc/class_unloading/TestCMSClassUnloadingEnabledHWM.java
 gc/class_unloading/TestG1ClassUnloadingHWM.java
 gc/ergonomics/TestDynamicNumberOfGCThreads.java
@@ -63,14 +62,6 @@ runtime/CDSCompressedKPtrs/CDSCompressedKPtrs.java
 runtime/CDSCompressedKPtrs/CDSCompressedKPtrsError.java
 runtime/CheckEndorsedAndExtDirs/EndorsedExtDirs.java
 runtime/ClassFile/UnsupportedClassFileVersion.java
-runtime/ClassUnload/ConstantPoolDependsTest.java
-runtime/ClassUnload/DictionaryDependsTest.java
-runtime/ClassUnload/KeepAliveClass.java
-runtime/ClassUnload/KeepAliveClassLoader.java
-runtime/ClassUnload/KeepAliveObject.java
-runtime/ClassUnload/KeepAliveSoftReference.java
-runtime/ClassUnload/SuperDependsTest.java
-runtime/ClassUnload/UnloadTest.java
 runtime/CommandLine/PrintFlagsUintxTest.java
 runtime/CommandLine/TraceExceptionsTest.java
 runtime/CommandLine/UnrecognizedVMOption.java

cvm/overlay/jdk8u/hotspot/test/testlibrary/whitebox/sun/hotspot/WhiteBox.java

@@ -0,0 +1,263 @@
+/*
+ * Copyright (c) 2012, 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package sun.hotspot;
+
+import java.lang.management.MemoryUsage;
+import java.lang.reflect.Executable;
+import java.util.Arrays;
+import java.util.List;
+import java.util.function.Function;
+import java.util.stream.Stream;
+import java.security.BasicPermission;
+import java.net.URL;
+
+import sun.hotspot.parser.DiagnosticCommand;
+
+public class WhiteBox {
+
+  @SuppressWarnings("serial")
+  public static class WhiteBoxPermission extends BasicPermission {
+    public WhiteBoxPermission(String s) {
+      super(s);
+    }
+  }
+
+  private WhiteBox() {}
+  private static final WhiteBox instance = new WhiteBox();
+  private static native void registerNatives();
+
+  /**
+   * Returns the singleton WhiteBox instance.
+   *
+   * The returned WhiteBox object should be carefully guarded
+   * by the caller, since it can be used to read and write data
+   * at arbitrary memory addresses. It must never be passed to
+   * untrusted code.
+   */
+  public synchronized static WhiteBox getWhiteBox() {
+    SecurityManager sm = System.getSecurityManager();
+    if (sm != null) {
+      sm.checkPermission(new WhiteBoxPermission("getInstance"));
+    }
+    return instance;
+  }
+
+  static {
+    registerNatives();
+  }
+
+  // Get the maximum heap size supporting COOPs
+  public native long getCompressedOopsMaxHeapSize();
+  // Arguments
+  public native void printHeapSizes();
+
+  // Memory
+  public native long getObjectAddress(Object o);
+  public native int  getHeapOopSize();
+  public native long getHeapAlignment();
+  public native int  getVMPageSize();
+  public native long getVMLargePageSize();
+
+  public native boolean isObjectInOldGen(Object o);
+  public native long getObjectSize(Object o);
+
+  // Runtime
+  // Make sure class name is in the correct format
+  public boolean isClassAlive(String name) {
+    return countAliveClasses0(name.replace('.', '/')) != 0;
+  }
+  private native int countAliveClasses0(String name);
+  public native boolean isMonitorInflated(Object obj);
+  public native void forceSafepoint();
+
+  // Resource/Class Lookup Cache
+  public native boolean classKnownToNotExist(ClassLoader loader, String name);
+  public native URL[] getLookupCacheURLs(ClassLoader loader);
+  public native int[] getLookupCacheMatches(ClassLoader loader, String name);
+
+  // JVMTI
+  public native void addToBootstrapClassLoaderSearch(String segment);
+  public native void addToSystemClassLoaderSearch(String segment);
+
+  // G1
+  public native boolean g1InConcurrentMark();
+  public native boolean g1IsHumongous(Object o);
+  public native long    g1NumMaxRegions();
+  public native long    g1NumFreeRegions();
+  public native int     g1RegionSize();
+  public native MemoryUsage g1AuxiliaryMemoryUsage();
+  public native Object[]    parseCommandLine(String commandline, DiagnosticCommand[] args);
+
+  // NMT
+  public native long NMTMalloc(long size);
+  public native void NMTFree(long mem);
+  public native long NMTReserveMemory(long size);
+  public native void NMTCommitMemory(long addr, long size);
+  public native void NMTUncommitMemory(long addr, long size);
+  public native void NMTReleaseMemory(long addr, long size);
+  public native long NMTMallocWithPseudoStack(long size, int index);
+  public native long NMTMallocWithPseudoStackAndType(long size, int index, int type);
+  public native boolean NMTIsDetailSupported();
+  public native boolean NMTChangeTrackingLevel();
+  public native int NMTGetHashSize();
+  public native long NMTNewArena(long initSize);
+  public native void NMTFreeArena(long arena);
+  public native void NMTArenaMalloc(long arena, long size);
+
+  // Compiler
+  public native void    deoptimizeAll();
+  public        boolean isMethodCompiled(Executable method) {
+    return isMethodCompiled(method, false /*not osr*/);
+  }
+  public native boolean isMethodCompiled(Executable method, boolean isOsr);
+  public        boolean isMethodCompilable(Executable method) {
+    return isMethodCompilable(method, -1 /*any*/);
+  }
+  public        boolean isMethodCompilable(Executable method, int compLevel) {
+    return isMethodCompilable(method, compLevel, false /*not osr*/);
+  }
+  public native boolean isMethodCompilable(Executable method, int compLevel, boolean isOsr);
+  public native boolean isMethodQueuedForCompilation(Executable method);
+  public        int     deoptimizeMethod(Executable method) {
+    return deoptimizeMethod(method, false /*not osr*/);
+  }
+  public native int     deoptimizeMethod(Executable method, boolean isOsr);
+  public        void    makeMethodNotCompilable(Executable method) {
+    makeMethodNotCompilable(method, -1 /*any*/);
+  }
+  public        void    makeMethodNotCompilable(Executable method, int compLevel) {
+    makeMethodNotCompilable(method, compLevel, false /*not osr*/);
+  }
+  public native void    makeMethodNotCompilable(Executable method, int compLevel, boolean isOsr);
+  public        int     getMethodCompilationLevel(Executable method) {
+    return getMethodCompilationLevel(method, false /*not ost*/);
+  }
+  public native int     getMethodCompilationLevel(Executable method, boolean isOsr);
+  public native boolean testSetDontInlineMethod(Executable method, boolean value);
+  public        int     getCompileQueuesSize() {
+    return getCompileQueueSize(-1 /*any*/);
+  }
+  public native int     getCompileQueueSize(int compLevel);
+  public native boolean testSetForceInlineMethod(Executable method, boolean value);
+  public        boolean enqueueMethodForCompilation(Executable method, int compLevel) {
+    return enqueueMethodForCompilation(method, compLevel, -1 /*InvocationEntryBci*/);
+  }
+  public boolean enqueueMethodForCompilation(Executable method, int compLevel, int entry_bci) {
+    return enqueueMethodForCompilation0(method, compLevel, entry_bci);
+  }
+
+  public native boolean enqueueInitializerForCompilation0(Class clazz, int compLevel);
+  public native boolean enqueueMethodForCompilation0(Executable method, int compLevel, int entry_bci);
+  public native void    clearMethodState(Executable method);
+  public native void    markMethodProfiled(Executable method);
+  public native int     getMethodEntryBci(Executable method);
+  public native Object[] getNMethod(Executable method, boolean isOsr);
+
+  // Intered strings
+  public native boolean isInStringTable(String str);
+
+  // Memory
+  public native void readReservedMemory();
+  public native long allocateCodeBlob(int size, int blobType);
+  public native void freeCodeBlob(long address);
+  public native Object[] getCodeBlob(long address);
+  public native long allocateMetaspace(ClassLoader classLoader, long size);
+  public native void freeMetaspace(ClassLoader classLoader, long addr, long size);
+  public native long incMetaspaceCapacityUntilGC(long increment);
+  public native long metaspaceCapacityUntilGC();
+
+  // Force Young GC
+  public native void youngGC();
+
+  // Force Full GC
+  public native void fullGC();
+
+  // Method tries to start concurrent mark cycle.
+  // It returns false if CM Thread is always in concurrent cycle.
+  public native boolean g1StartConcMarkCycle();
+
+  // Tests on ReservedSpace/VirtualSpace classes
+  public native int stressVirtualSpaceResize(long reservedSpaceSize, long magnitude, long iterations);
+  public native void runMemoryUnitTests();
+  public native void readFromNoaccessArea();
+  public native long getThreadStackSize();
+  public native long getThreadRemainingStackSize();
+
+  // CPU features
+  public native String getCPUFeatures();
+
+  // Native extensions
+  public native long getHeapUsageForContext(int context);
+  public native long getHeapRegionCountForContext(int context);
+  public native int getContextForObject(Object obj);
+  public native void printRegionInfo(int context);
+
+  // VM flags
+  public native void    setBooleanVMFlag(String name, boolean value);
+  public native void    setIntxVMFlag(String name, long value);
+  public native void    setUintxVMFlag(String name, long value);
+  public native void    setUint64VMFlag(String name, long value);
+  public native void    setStringVMFlag(String name, String value);
+  public native void    setDoubleVMFlag(String name, double value);
+  public native Boolean getBooleanVMFlag(String name);
+  public native Long    getIntxVMFlag(String name);
+  public native Long    getUintxVMFlag(String name);
+  public native Long    getUint64VMFlag(String name);
+  public native String  getStringVMFlag(String name);
+  public native Double  getDoubleVMFlag(String name);
+  private final List<Function<String,Object>> flagsGetters = Arrays.asList(
+    this::getBooleanVMFlag, this::getIntxVMFlag, this::getUintxVMFlag,
+    this::getUint64VMFlag, this::getStringVMFlag, this::getDoubleVMFlag);
+
+  public Object getVMFlag(String name) {
+    return flagsGetters.stream()
+                       .map(f -> f.apply(name))
+                       .filter(x -> x != null)
+                       .findAny()
+                       .orElse(null);
+  }
+  public native int getOffsetForName0(String name);
+  public int getOffsetForName(String name) throws Exception {
+    int offset = getOffsetForName0(name);
+    if (offset == -1) {
+      throw new RuntimeException(name + " not found");
+    }
+    return offset;
+  }
+
+  // Class Data Sharing
+  public native boolean isSharedClass(Class<?> c);
+
+  // Returns true on linux if library has the noexecstack flag set.
+  public native boolean checkLibSpecifiesNoexecstack(String libfilename);
+
+  // Container testing
+  public native boolean isContainerized();
+  public native void printOsInfo();
+  public native int validateCgroup(String procCgroups,
+                                   String procSelfCgroup,
+                                   String procSelfMountinfo);
+
+}