Provided by: systemtap-doc_2.3-1ubuntu1.4_all
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.