On Sat, 2014-11-29 at 18:43 +0530, Jackson Isaac wrote:
> I am trying to write hello world system call in linux but I am
> encountering the following error when I run 'sudo make':
Why "sudo"? That can't be right!
> ...
> AR arch/x86/lib/lib.a
> LINK vmlinux
> LD vmlinux.o
> ld: cannot find hello: File format not recognized
> make: *** [vmlinux] Error 1
>
> I have Linux 3.15.6 in my home directory and have created a hello
> folder in it. I also made changes to makefile, syscalls.h, and
> syscall_64.tbl
>
> in make file I replaced
Which Makefile? Don't make us grep the tree, please.
> core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/
> with
> core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ hello
You said hello folder, so I'm _guessing_ you need to add
hello/
Note the slash.
> Can anyone point out where I am going wrong. I have made the changes
> first and then I am trying 'sudo make'.
>
> I tried making some minor modifications and running it again 3 4 times
> but getting the same error and also it takes 2-3 hours of time.
Hope this helps,
Paul Bolle
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