function::user_string2
FUNCTION:(3stap) String and data retrieving fun FUNCTION:(3stap)
NAME
function::user_string2 - Retrieves string from user space with alternative error string
SYNOPSIS
user_string2: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
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.
SystemTap Tapset Reference May 2013 FUNCTION:(3stap)