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overriding system calls (was Re: System.map in UML)

On Sun, Jun 08, 2003 at 07:21:35PM +0800, Eugene Teo wrote:
> Strange, I get kernel panic when i get the address from System.map.
> The address is rather to the low side, I am not sure if this address
> can be "used" but when I used the symbol address from /proc/ksyms,
> I am able to overwrite the syscall, and it works! :-)

Hi, Eugene Teo.  Would you mind describing what you're 
doing?  I thought that I understood what you were doing,
but now I'm sure I don't.  ;)

If I were trying to override a system call, I'd write 
my own implementation and replace the entry in the 
vector of system call function pointers.

-- 
--Ed L Cashin            |   PGP public key:
  ecashin@uga.edu        |   http://noserose.net/e/pgp/
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