// perform initializations that must occur before any JVMTI environments
// are released but which should only be initialized once (no matter
// how many environments are created).

void
JvmtiEnvBase::globally_initialize() {

  {- -------------------------------------------
  (1) (assert)
      ---------------------------------------- -}

      assert(Threads::number_of_threads() == 0 || JvmtiThreadState_lock->is_locked(), "sanity check");
      assert(_globally_initialized == false, "bad call");

  {- -------------------------------------------
  (1) JVMTI の capability(権限)管理設定の初期化を行う.
      ---------------------------------------- -}

      JvmtiManageCapabilities::initialize();

  {- -------------------------------------------
  (1) JvmtiExtensions::register_extensions() で, 
      HotSpot 独自の関数／イベントの初期化を行う.
      ---------------------------------------- -}

    #ifndef JVMTI_KERNEL
      // register extension functions and events
      JvmtiExtensions::register_extensions();
    #endif // !JVMTI_KERNEL

  {- -------------------------------------------
  (1) (デバッグ用の処理) (#ifdef JVMTI_TRACE 時にのみ実行)
      ---------------------------------------- -}

    #ifdef JVMTI_TRACE
      JvmtiTrace::initialize();
    #endif

  {- -------------------------------------------
  (1) 大域的な初期化が終わった印を付けておく.
      ---------------------------------------- -}

      _globally_initialized = true;
    }