taglinefilesource code
u_debugreg162arch/i386/kernel/process.cdump->u_debugreg[i] = current->debugreg[i];  
u_debugreg359arch/i386/kernel/ptrace.cif(addr >= (long) &dummy->u_debugreg[0] &&
u_debugreg360arch/i386/kernel/ptrace.caddr <= (long) &dummy->u_debugreg[7]){
u_debugreg361arch/i386/kernel/ptrace.caddr -= (long) &dummy->u_debugreg[0];
u_debugreg408arch/i386/kernel/ptrace.cif(addr >= (long) &dummy->u_debugreg[0] &&
u_debugreg409arch/i386/kernel/ptrace.caddr <= (long) &dummy->u_debugreg[7]){
u_debugreg411arch/i386/kernel/ptrace.cif(addr == (long) &dummy->u_debugreg[4]) return -EIO;
u_debugreg412arch/i386/kernel/ptrace.cif(addr == (long) &dummy->u_debugreg[5]) return -EIO;
u_debugreg413arch/i386/kernel/ptrace.cif(addr < (long) &dummy->u_debugreg[4] &&
u_debugreg416arch/i386/kernel/ptrace.cif(addr == (long) &dummy->u_debugreg[7]) {
u_debugreg423arch/i386/kernel/ptrace.caddr -= (long) &dummy->u_debugreg;
u_debugreg70include/linux/user.hint u_debugreg[8];