DBREG_DR6_BS
if ((dr6 & DBREG_DR6_BS) != 0)
((type) == T_TRCTRAP && (code) & DBREG_DR6_BS)
stepped = !!(dr6 & DBREG_DR6_BS);
dr6 &= ~DBREG_DR6_BS;
if ((dr6 & DBREG_DR6_BS) != 0) {
((type) == T_TRCTRAP && (code) & DBREG_DR6_BS)