function::user_uint64_error - Retrieves an unsigned 64-bit integer value stored in user space
user_uint64_error:long(addr:long)
addr
the user space address to retrieve the unsigned 64-bit integer from
Returns the unsigned 64-bit integer value from a given user space address. If the user space data is not accessible, an error will occur.
tapset::uconversions(3stap)