EventTarget: addEventListener() — MDN Web Docs (capture phase)
entry_p_bit = PE & ~VM
，更多细节参见heLLoword翻译官方下载
5D6 PROTUN - OPR_W WR W ; write PROTUN (with A-bit) to GDT/LDT，更多细节参见Line官方版本下载
an alignment failure here can cause unexpected slowdown elsewhere.