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CentOS 7.0 - man page for function::regparm (centos section 3stap)

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

NAME
function::regparm - Specify regparm value used to compile function
SYNOPSIS
regparm(n:long)
ARGUMENTS
n original regparm value
DESCRIPTION
Call this function with argument n before accessing function arguments using the *_arg function is the function was build with the gcc -mregparm=n option. (The i386 kernel is built with \-mregparm=3, so systemtap considers regparm(3) the default for kernel functions on that architecture.) Only valid on i386 and x86_64 (when probing 32bit applications). Produces an error on other architectures. SystemTap Tapset Reference June 2014 FUNCTION::REGPARM(3stap)


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