function::user_ulong_warn - Retrieves an unsigned long value stored in user space

addr
           the user space address to retrieve the unsigned long from

       Returns the unsigned long value from a given user space address. Returns zero when user space data is not
       accessible and warns about the failure (but does not error). Note that the size of the unsigned long
       depends on the architecture of the current user space task (for those architectures that support both
       64/32 bit compat tasks).

       function::user_ulong_warn - Retrieves an unsigned long value stored in user space

tapset::uconversions(3stap)

SystemTap Tapset Reference                         April 2024                        FUNCTION::USER_ULONG(3stap)

           user_ulong_warn:long(addr:long)