src/share/vm/prims/whitebox.cpp

*** 1451,1461 ****
    oop class_loader_oop = JNIHandles::resolve(class_loader);
    ClassLoaderData* cld = class_loader_oop != NULL
        ? java_lang_ClassLoader::loader_data(class_loader_oop)
        : ClassLoaderData::the_null_class_loader_data();
  
!   void* metadata = MetadataFactory::new_writeable_array<u1>(cld, WhiteBox::array_bytes_to_length((size_t)size), thread);
  
    return (jlong)(uintptr_t)metadata;
  WB_END
  
  WB_ENTRY(void, WB_FreeMetaspace(JNIEnv* env, jobject wb, jobject class_loader, jlong addr, jlong size))
--- 1451,1461 ----
    oop class_loader_oop = JNIHandles::resolve(class_loader);
    ClassLoaderData* cld = class_loader_oop != NULL
        ? java_lang_ClassLoader::loader_data(class_loader_oop)
        : ClassLoaderData::the_null_class_loader_data();
  
!   void* metadata = MetadataFactory::new_array<u1>(cld, WhiteBox::array_bytes_to_length((size_t)size), thread);
  
    return (jlong)(uintptr_t)metadata;
  WB_END
  
  WB_ENTRY(void, WB_FreeMetaspace(JNIEnv* env, jobject wb, jobject class_loader, jlong addr, jlong size))
*** 1559,1568 ****
--- 1559,1571 ----
  
  WB_ENTRY(jboolean, WB_MetaspaceShouldConcurrentCollect(JNIEnv* env, jobject wb))
    return MetaspaceGC::should_concurrent_collect();
  WB_END
  
+ WB_ENTRY(jlong, WB_MetaspaceReserveAlignment(JNIEnv* env, jobject wb))
+   return (jlong)Metaspace::reserve_alignment();
+ WB_END
  
  WB_ENTRY(void, WB_AssertMatchingSafepointCalls(JNIEnv* env, jobject o, jboolean mutexSafepointValue, jboolean attemptedNoSafepointValue))
    Monitor::SafepointCheckRequired sfpt_check_required = mutexSafepointValue ?
                                             Monitor::_safepoint_check_always :
                                             Monitor::_safepoint_check_never;
*** 1943,1952 ****
--- 1946,1956 ----
    {CC"freeMetaspace",
       CC"(Ljava/lang/ClassLoader;JJ)V",                (void*)&WB_FreeMetaspace },
    {CC"incMetaspaceCapacityUntilGC", CC"(J)J",         (void*)&WB_IncMetaspaceCapacityUntilGC },
    {CC"metaspaceCapacityUntilGC", CC"()J",             (void*)&WB_MetaspaceCapacityUntilGC },
    {CC"metaspaceShouldConcurrentCollect", CC"()Z",     (void*)&WB_MetaspaceShouldConcurrentCollect },
+   {CC"metaspaceReserveAlignment", CC"()J",            (void*)&WB_MetaspaceReserveAlignment },
    {CC"getCPUFeatures",     CC"()Ljava/lang/String;",  (void*)&WB_GetCPUFeatures     },
    {CC"getNMethod0",         CC"(Ljava/lang/reflect/Executable;Z)[Ljava/lang/Object;",
                                                        (void*)&WB_GetNMethod         },
    {CC"forceNMethodSweep",  CC"()V",                   (void*)&WB_ForceNMethodSweep  },
    {CC"allocateCodeBlob",   CC"(II)J",                 (void*)&WB_AllocateCodeBlob   },