| FUNCTION::USER_STRIN(3stap) | String and data retrieving fun | FUNCTION::USER_STRIN(3stap) |
NAME¶
function::user_string - Retrieves string from user space
SYNOPSIS¶
1) user_string:string(addr:long)
2) user_string:string(addr:long,err_msg:string)
ARGUMENTS¶
addr
the user space address to retrieve the string from
err_msg
the error message to return when data isn't
available
DESCRIPTION¶
1) Returns the null terminated C string from a given user space memory address. Reports an error on the rare cases when userspace data is not accessible.
2) Returns the null terminated C string from a given user space memory address. Reports the given error message on the rare cases when userspace data is not accessible.
SEE ALSO0¶
tapset::uconversions(3stap)
SEE ALSO0¶
tapset::uconversions(3stap)
| April 2023 | SystemTap Tapset Reference |