Doubt regarding __udivdi3

[Bernd Petrovitsch]

On Mit, 2011-01-05 at 19:21 +0530, Ponmuthu Subramaniam Nandan wrote:
> Hi Gaurav,
> 
>         I'm trying to insert a module into the kernel (2.6.35.5).
>         There are no
>         errors during the "make" phase. There are only warnings
>         regarding two
>         symbols :
>         WARNING: "__udivdi3"
>         [/media/Study/project_work/splitting_merging/radc_try1/radc1.ko]
>         undefined!
>         WARNING: "__umoddi3"
>         [/media/Study/project_work/splitting_merging/radc_try1/radc1.ko]
>         undefined!
>         
> The symbol __udivdi3 & __umoddi3 are compiler generated functions
> calls for specific 
> Arithmetic function in your code (In this case its division). The
> definitions of that function 
> (for the specific ARCH your are building for) would be in the
> respective libraries (libgcc). 

The first hit on google is
http://stackoverflow.com/questions/1063585/udivdi3-undefined-howto-find-code.

That should explain it. 
Bernd
-- 
Bernd Petrovitsch                  Email : bernd at petrovitsch.priv.at
                     LUGA : http://www.luga.at