PTRACE_SET_DEBUGREG 3136 arch/powerpc/kernel/ptrace.c case PTRACE_SET_DEBUGREG: PTRACE_SET_DEBUGREG 303 arch/powerpc/kernel/ptrace32.c case PTRACE_SET_DEBUGREG: PTRACE_SET_DEBUGREG 60 tools/testing/selftests/powerpc/ptrace/ptrace-hwbreak.c ret = ptrace(PTRACE_SET_DEBUGREG, child_pid, 0, addr);