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

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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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