table of contents
FUNCTION:(3stap) | String and data retrieving fun | FUNCTION:(3stap) |
function::user_string2
NAME¶
function::user_string2 - Retrieves string from user space with alternative error stringSYNOPSIS¶
user_string2:string(addr:long,err_msg:string)
ARGUMENTS¶
addrthe user space address to retrieve the string
from
err_msg
the error message to return when data isn't
available
DESCRIPTION¶
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.May 2013 | SystemTap Tapset Reference |