frame_delta       743 lj_record.c        BCReg cbase = (BCReg)frame_delta(J->L->base - 1);
frame_delta       793 lj_record.c        BCReg cbase = (BCReg)frame_delta(frame);
frame_delta       817 lj_record.c        BCReg cbase = (BCReg)frame_delta(frame);
frame_delta       869 lj_record.c        BCReg cbase = (BCReg)frame_delta(frame);
frame_delta      1768 lj_record.c      ptrdiff_t nvararg = frame_delta(J->L->base-1) - numparams - 1 - LJ_FR2;