DR_TRAP0
else if (condition & (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3))
#define DR_TRAP_BITS (DR_TRAP0|DR_TRAP1|DR_TRAP2|DR_TRAP3)
if (likely(!(dr6 & (DR_TRAP0 << i))))
(*dr6_p) &= ~(DR_TRAP0 << i);
tsk->thread.virtual_dr6 |= (DR_TRAP0 << i);
thread->virtual_dr6 |= (DR_TRAP0 << i);