[fpc-pascal] linking an fpc .o file without common symbols?
peter at freepascal.org
Tue Jul 25 21:05:48 CEST 2006
At 22:18 24-7-2006, you wrote:
>I'm new to free-pascal, and have searched for a few hours without
>finding an answer to my question. I hope someone on the list could
>please help point me in the right direction.
>I've been using a couple of encryption/decryption units that are
>written in Pascal that I've been using in a userspace networking
>tool for some time. For performance reasons, I want to move those
>routines out of userspace and implement an iptables match (Linux
>kernel module) and invoke the pascal routine. After much trial and
>error, I have successfully compiled a Linux kernel module, my
>fpc-generated .o file, system.o and objpas.o together. However,
>when I load the module, the kernel refuses it because it contains
>common symbols, and suggests that I recompile with the "-fno-common"
>flag (gcc flag?). After some research, nm system.o shows 30 or so
>symbols marked as ' C ', for common. Is there any way for me to
>tell the fpc compiler to re-compile system.o and initialize the 30
>or so symbols so that they won't be marked as "common"?
There is no option for it.
More information about the fpc-pascal