centos man page for function::fastcall

FUNCTION::FASTCALL(3stap)					 Context Functions					 FUNCTION::FASTCALL(3stap)

NAME
       function::fastcall - Mark function as declared fastcall

SYNOPSIS
	   fastcall()

ARGUMENTS
       None

DESCRIPTION
       Call this function before accessing arguments using the *_arg functions if the probed kernel function was declared fastcall in the source.

SystemTap Tapset Reference					     June 2014						 FUNCTION::FASTCALL(3stap)