3MEXC_MCONTEXT_IREG_R9EXT_FXSAVEn_routine (enum action_code code, uint64 sp, uint64 ident);PID_RNATC_STEP_BAD_STATE_FAILEDBICB$K_AC_INTERNAL_ERRORER_PRESENTformation register)p)SEUDO_REGSve_area_addrRN_IP_FLAG_EMULATION_MODEv؍`endent.ichReg = LIBICB$K_WhichReg_GR0 + register number