Provided by: systemtap-doc_4.8-2_amd64
NAME
function::user_char_warn - Retrieves a char value stored in user space
SYNOPSIS
user_char_warn:long(addr:long)
ARGUMENTS
addr the user space address to retrieve the char from
DESCRIPTION
Returns the char value from a given user space address. Returns zero when user space data is not accessible and warns about the failure (but does not error).
SEE ALSO
tapset::uconversions(3stap)