function::user_char_warn.3stap man page

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 and warns (but does not abort) about the failure.

See Also0

tapset::uconversions(3stap)

Info

March 2016 SystemTap Tapset Reference String and data retrieving fun