Re: Syscall table AKA hijacking syscalls

Anton Blanchard
2004-01-02T23:40:31Z

> I'm writing some project which needs to hijack some syscalls in VFS
> layer. AFAIK in 2.6 is this "not-wanted" solution (even that there are
> some very nasty ways of doing it - see
> http://mail.nl.linux.org/kernelnewbies/2002-12/msg00266.html )

And it will fail miserably on many non x86 architectures for
various reasons:

1. ppc64 and ia64 use function descriptors
2. sparc64 uses a 32bit call out table

In short its not only an awful hack, its horribly non portable :)

Anton