Hi Avantika, On Sat, Jun 18, 2016 at 5:32 PM, Avantika Rawat <avani.rawat@xxxxxxxxx> wrote: > Hi ALL, > > I am trying to use getrandom syscall in kernel 3.10.20 by following this > link > > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c6e9d6f38894798696f23c8084ca7edbf16ee895 > > i have compiled the kernel and now want to call the getrandom syscall from > userspace to generate random numbers. But i am getting following error while > calling the getrandom () from userspace. > > (.text.startup+0x18): undefined reference to `getrandom' > (.text.startup+0x1c): undefined reference to `getrandom' Your user space program will not know where 'getrandom' is defined unless it's in the C library. You need to research more on how to call custom system calls. -Anoop > > > -- > Regards, > Avantika Rawat > > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@xxxxxxxxxxxxxxxxx > http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
