X86 debug register
6 X86 REGISTERS USED BY A PROCESSOR FOR PROGRAM DEBUGGING: DR0…DR7 (DR4 AND DR5 AS OBSOLETE SYNONYMS FOR DR6 AND DR7); ACCESSED BY VARIANTS OF THE MOV INSTRUCTION THAT CAN ONLY BE EXECUTED AT PRIVILEGE LEVEL ZERO
Debug register; DR0 register; DR1 register; DR2 register; DR3 register; DR4 register; DR5 register; DR6 register; DR7 register; Debug register 0; Debug register 1; Debug register 2; Debug register 3; Debug register 4; Debug register 5; Debug register 6; Debug register 7
On the x86 architecture, a debug register is a register used by a processor for program debugging. There are six debug registers, named DR0...