[Click] Kernel : insmod: error inserting

[Eddie Kohler]

It looks like your code uses floating-point arithmetic. And the kernel does
not support floating-point arithmetic. Can you avoid floating-point
arithmetic?



On Fri, Aug 30, 2013 at 1:37 PM, ndritsos <ndritsos at gmail.com> wrote:

> Hello all,
>
> i have taken some code from openssl and it works fine on click- userlevel.
> Now i am trying to port it , to run on kernel level . In my code i don't
> use other libraries (i don't use math.h ),
> just only the libraries that click provides.
>
> so, when i compile it :
> ./configure --enable-local --disable-userlevel
> make install
>
> at compile time i have only this three Warnings :
>
> ========================================
> 1]
> CXX [M] myElement.o
> /home/dritsos/click/linuxmodule/../elements/local/myElement.cc: In
> member function ‘virtual int myElement::initialize(ErrorHandler*)’:
> /home/dritsos/click/linuxmodule/../elements/local/myElement.cc:177:1:
> warning: the frame size of 1036 bytes is larger than 1024 bytes
> [-Wframe-larger-than=]
>
> 2]
> CXX [M] pem_lib.o
> /home/dritsos/click/linuxmodule/../elements/local/pem/pem_lib.cc: In
> function ‘int PEM_do_header(EVP_CIPHER_INFO*, unsigned char*, long int*,
> int (*)(char*, int, int, void*), void*)’:
> /home/dritsos/click/linuxmodule/../elements/local/pem/pem_lib.cc:303:2:
> warning: the frame size of 1092 bytes is larger than 1024 bytes
> [-Wframe-larger-than=]
>
> 3]
> Building modules, stage 2.
> MODPOST 2 modules
> WARNING: "__floatsidf" [/home/dritsos/click/linuxmodule/click.ko]
> undefined!
> WARNING: "__subdf3" [/home/dritsos/click/linuxmodule/click.ko] undefined!
> WARNING: "__gedf2" [/home/dritsos/click/linuxmodule/click.ko] undefined!
> WARNING: "__ltdf2" [/home/dritsos/click/linuxmodule/click.ko] undefined!
> WARNING: "__adddf3" [/home/dritsos/click/linuxmodule/click.ko] undefined!
> CC /home/dritsos/click/linuxmodule/click.mod.o
> LD [M] /home/dritsos/click/linuxmodule/click.ko
> CC /home/dritsos/click/linuxmodule/proclikefs.mod.o
> LD [M] /home/dritsos/click/linuxmodule/proclikefs.ko
> make[2]: Leaving directory `/usr/src/linux-headers-3.0.0-12-generic'
> =======================================================
>
>
> The compiler ends normaly , BUT when i try to run it :
> click-install -u test.click
>
> it doesn't work and appears this message ::
>
> root at dritsos-VirtualBox:~/click/conf# click-install -u test.click
> insmod: error inserting '/usr/local/lib/click.ko': -1 Unknown symbol in
> module
> click-install: '/sbin/insmod /usr/local/lib/click.ko' failed
>
>
> Any idea someone where is the problem ???
>
> thanks in advance
>
>
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