UPT_SYSCALL_ARG5   19 arch/x86/um/shared/sysdep/ptrace_32.h #define UPT_SYSCALL_ARG5(r) UPT_DI(r)
UPT_SYSCALL_ARG5   57 arch/x86/um/shared/sysdep/ptrace_64.h #define UPT_SYSCALL_ARG5(r) UPT_R8(r)