src/share/vm/prims/whitebox.cpp

rev 6131 : 8035857: Add tests to verify correctness of operations with BMI1 and LZCNT instructions
Reviewed-by: iveresov, kvn, iignatyev
Contributed-by: filipp.zhinkin@oracle.com

*** 498,507 ****
--- 498,517 ----
    }
  
    c = *p;
  WB_END
  
+ WB_ENTRY(jstring, WB_GetCPUFeatures(JNIEnv* env, jobject o))
+   const char* cpu_features = VM_Version::cpu_features();
+   ThreadToNativeFromVM ttn(thread);
+   jstring features_string = env->NewStringUTF(cpu_features);
+ 
+   CHECK_JNI_EXCEPTION_(env, NULL);
+ 
+   return features_string;
+ WB_END
+ 
  //Some convenience methods to deal with objects from java
  int WhiteBox::offset_for_field(const char* field_name, oop object,
      Symbol* signature_symbol) {
    assert(field_name != NULL && strlen(field_name) > 0, "Field name not valid");
    Thread* THREAD = Thread::current();
*** 609,618 ****
--- 619,629 ----
    {CC"clearMethodState",
        CC"(Ljava/lang/reflect/Executable;)V",          (void*)&WB_ClearMethodState},
    {CC"isInStringTable",   CC"(Ljava/lang/String;)Z",  (void*)&WB_IsInStringTable  },
    {CC"fullGC",   CC"()V",                             (void*)&WB_FullGC },
    {CC"readReservedMemory", CC"()V",                   (void*)&WB_ReadReservedMemory },
+   {CC"getCPUFeatures",     CC"()Ljava/lang/String;",  (void*)&WB_GetCPUFeatures     },
  };
  
  #undef CC
  
  JVM_ENTRY(void, JVM_RegisterWhiteBoxMethods(JNIEnv* env, jclass wbclass))