taglinefilesource code
u_debugreg212arch/i386/kernel/process.cdump->u_debugreg[i] = current->debugreg[i];  
u_debugreg387arch/i386/kernel/ptrace.cif(addr >= (long) &dummy->u_debugreg[0] &&
u_debugreg388arch/i386/kernel/ptrace.caddr <= (long) &dummy->u_debugreg[7]){
u_debugreg389arch/i386/kernel/ptrace.caddr -= (long) &dummy->u_debugreg[0];
u_debugreg436arch/i386/kernel/ptrace.cif(addr >= (long) &dummy->u_debugreg[0] &&
u_debugreg437arch/i386/kernel/ptrace.caddr <= (long) &dummy->u_debugreg[7]){
u_debugreg439arch/i386/kernel/ptrace.cif(addr == (long) &dummy->u_debugreg[4]) return -EIO;
u_debugreg440arch/i386/kernel/ptrace.cif(addr == (long) &dummy->u_debugreg[5]) return -EIO;
u_debugreg441arch/i386/kernel/ptrace.cif(addr < (long) &dummy->u_debugreg[4] &&
u_debugreg444arch/i386/kernel/ptrace.cif(addr == (long) &dummy->u_debugreg[7]) {
u_debugreg451arch/i386/kernel/ptrace.caddr -= (long) &dummy->u_debugreg;
u_debugreg144arch/mips/kernel/process.cdump->u_debugreg[i] = current->debugreg[i];  
u_debugreg369arch/mips/kernel/ptrace.cif(addr >= (long) &dummy->u_debugreg[0] &&
u_debugreg370arch/mips/kernel/ptrace.caddr <= (long) &dummy->u_debugreg[7]){
u_debugreg371arch/mips/kernel/ptrace.caddr -= (long) &dummy->u_debugreg[0];
u_debugreg418arch/mips/kernel/ptrace.cif(addr >= (long) &dummy->u_debugreg[0] &&
u_debugreg419arch/mips/kernel/ptrace.caddr <= (long) &dummy->u_debugreg[7]){
u_debugreg421arch/mips/kernel/ptrace.cif(addr == (long) &dummy->u_debugreg[4]) return -EIO;
u_debugreg422arch/mips/kernel/ptrace.cif(addr == (long) &dummy->u_debugreg[5]) return -EIO;
u_debugreg423arch/mips/kernel/ptrace.cif(addr < (long) &dummy->u_debugreg[4] &&
u_debugreg426arch/mips/kernel/ptrace.cif(addr == (long) &dummy->u_debugreg[7]) {
u_debugreg433arch/mips/kernel/ptrace.caddr -= (long) &dummy->u_debugreg;
u_debugreg70include/linux/user.hint u_debugreg[8];