FUNCTION::USER_STRIN(3stap) | String and data retrieving fun | FUNCTION::USER_STRIN(3stap) |
function::user_string_n - Retrieves string of given length from user space
1) user_string_n:string(addr:long,n:long)
2) user_string_n:string(addr:long,n:long,err_msg:string)
addr
n
err_msg
1) Returns the C string of a maximum given length from a given user space address. Reports an error on the rare cases when userspace data is not accessible at the given address.
2) Returns the C string of a maximum given length from a given user space address. Returns the given error message string on the rare cases when userspace data is not accessible at the given address.
October 2018 | SystemTap Tapset Reference |