a new syscalls table

Jerry Toung jrytoung at gmail.com
Fri Jan 25 15:41:42 PST 2008


Good point. I'll try it.

On Jan 25, 2008 3:30 PM, Xin LI <delphij at delphij.net> wrote:

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> Jerry Toung wrote:
> > Hello list,
> > I am trying to create an environment where you can't run my binaries on
> your
> > box and I can't run
> > your binaries on my system (x86 platform).
> > For that, I have modified the system calls table (i.e everything is
> offset
> > by 5).
> > All the files that need to be re-generated, have been.
> > I ran make buildworld then make kernel. I don't run make installworld
> > because it will not complete (modified libc.so.6). So, just before I
> reboot,
> > I cp my
> > newly built libc.so.6 from /usr/obj/../lib to /lib/. then power off the
> box.
> > When it comes back, it panics in kern/kern_exit.c with
> > "Going nowhere without my init!"
> >
> > How can I make this work? Is my initial objective even possible?
> > I think the correct approach would be to have a cpu that no else in the
> > world has,
> > any in between solution.?
>
> Maybe you can try make installworld DESTDIR=/another_rootdir and boot
> from that environment?
>
> Cheers,
> - --
> Xin LI <delphij at delphij.net>    http://www.delphij.net/
> FreeBSD - The Power to Serve!
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