// ENTRY routines may lock, GC and throw exceptions

#define __ENTRY(result_type, header, thread)                         \

  {- -------------------------------------------
  (1) (トレース出力)
      ---------------------------------------- -}

      TRACE_CALL(result_type, header)                                    \

  {- -------------------------------------------
  (1) (変数宣言など)
      ---------------------------------------- -}

      HandleMarkCleaner __hm(thread);                                    \
      Thread* THREAD = thread;                                           \

  {- -------------------------------------------
  (1) (以降で, 実際の関数の処理が行われる)
      ---------------------------------------- -}

      /* begin of body */