Date: Sat, 3 Jan 2004 10:35:42 +1100
From: Anton Blanchard <anton@samba.org>
To: Libor Vanek <libor@conet.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Syscall table AKA hijacking syscalls
Message-ID: <20040102233542.GW28023@krispykreme>
References: <3FF56B1C.1040308@conet.cz>
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> 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
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