function::user_long_warn.3stap man page

function::user_long_warn — Retrieves a long value stored in user space

Synopsis

user_long_warn:long(addr:long)

Arguments

addr

the user space address to retrieve the long from

Description

Returns the long value from a given user space address. Returns zero when user space and warns (but does not abort) about the failure. Note that the size of the long depends on the architecture of the current user space task (for those architectures that support both 64/32 bit compat tasks).

See Also0

tapset::uconversions(3stap)

Info

March 2016 SystemTap Tapset Reference String and data retrieving fun