| From: | |
| Date: | 20 Feb 2001 at 08:46:42 |
| Subject: | Re: Impossible MuForce hit |
On Tue, Feb 20, 2001 at 12:26:42AM +0100, Sebastian Jedruszkiewicz wrote:
> Hello Ilkka
>
> On 19-Feb-01, Ilkka Lehtoranta wrote:
>
> > As you can see there is an illegal read access at line $fd6024, LONG READ
> > from $00000008. This is possible only if A0 is NULL [move.l 8(a0),-(a7)],
> > but as you can see the register A0 is checked against NULL pointer at line
> > $fd6098. Eh?
>
> and what if program jumps into this code after a0 is checked against NULL?
Indeed, thats it. From the code snippet one can see that this is a part
of the BOOPSI supportcode. The original functions jump directly to the
final dispatch code (thats the part shown in the hit)
Gunther
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