JNI_ENTRY(void, jni_CallNonvirtualVoidMethod(JNIEnv *env, jobject obj, jclass cls, jmethodID methodID, ...))

  {- -------------------------------------------
  (1) (デバッグ用の処理)
      (See: JNIWrapper)
      ---------------------------------------- -}

      JNIWrapper("CallNonvirtualVoidMethod");

  {- -------------------------------------------
  (1) (DTrace のフック点)
      ---------------------------------------- -}

      DTRACE_PROBE4(hotspot_jni, CallNonvirtualVoidMethod__entry,
                   env, obj, cls, methodID);

  {- -------------------------------------------
  (1) (DTrace のフック点)(リターン用) (See: DT_RETURN_MARK)
      ---------------------------------------- -}

      DT_VOID_RETURN_MARK(CallNonvirtualVoidMethod);

  {- -------------------------------------------
  (1) 可変長引数を JNI_ArgumentPusherVaArg オブジェクトに詰め直した後, 
      jni_invoke_nonstatic() を呼んで実際の呼び出し処理を行う.
      ---------------------------------------- -}

      va_list args;
      va_start(args, methodID);
      JavaValue jvalue(T_VOID);
      JNI_ArgumentPusherVaArg ap(methodID, args);
      jni_invoke_nonstatic(env, &jvalue, obj, JNI_NONVIRTUAL, methodID, &ap, CHECK);
      va_end(args);
    JNI_END