function::user_char_warn.3stap man page

function::user_char_warn ā€” 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 Also0

tapset::uconversions(3stap)

Info

October 2017 SystemTap Tapset Reference String and data retrieving fun