DOKK / manpages / debian 10 / systemtap-doc / function::user_char_warn.3stap.en
FUNCTION::USER_CHAR_(3stap) String and data retrieving fun FUNCTION::USER_CHAR_(3stap)

function::user_char_warn - Retrieves a char value stored in user space



    user_char_warn:long(addr:long)

addr

the user space address to retrieve the char from

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).

tapset::uconversions(3stap)

October 2018 SystemTap Tapset Reference