taglinefilesource code
debugreg167fs/exec.cfor(i=0; i<8; i++) dump.u_debugreg[i] = current->debugreg[i];  
debugreg509fs/exec.cfor (i=0 ; i<8 ; i++) current->debugreg[i] = 0;
debugreg161include/linux/sched.hint debugreg[8];  /* Hardware debugging registers */
debugreg547include/linux/sched.h:"m" (current->debugreg[register]) \
debugreg326kernel/ptrace.ctmp = child->debugreg[addr];
debugreg388kernel/ptrace.cchild->debugreg[addr] = data;
debugreg279kernel/sched.cif(current->debugreg[7]){