Provided by: systemtap-doc_4.7-1_amd64 bug

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 ALSO

       tapset::uconversions(3stap)

SEE ALSO

       tapset::uconversions(3stap)