1FUNCTION::REGPARM(3stap)       Context Functions      FUNCTION::REGPARM(3stap)
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NAME

6       function::regparm - Specify regparm value used to compile function
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SYNOPSIS

9           regparm(n:long)
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ARGUMENTS

12       n
13           original regparm value
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DESCRIPTION

16       Call this function with argument n before accessing function arguments
17       using the *_arg function is the function was build with the gcc
18       -mregparm=n option.
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20       (The i386 kernel is built with \-mregparm=3, so systemtap considers
21       regparm(3) the default for kernel functions on that architecture.) Only
22       valid on i386 and x86_64 (when probing 32bit applications). Produces an
23       error on other architectures.
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SEE ALSO

26       tapset::registers(3stap)
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30SystemTap Tapset Reference       November 2022        FUNCTION::REGPARM(3stap)
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