Re: how to unmap first 64k for a.out ?

Harald Koenig (
Tue, 24 Sep 1996 20:02:01 +0200 (MET DST)

> is there a way to build an a.out binary which has all the first 64k
> unmapped and not only the first page (4k) ?
> I need this to trap accesses to a NULL pointer with offsets up to 64k
> and I can't build a ELF binary to test it... I tried using

thanks for all the suggestions. right now I used another solution
since I know which the base pointer is which is used for this 64k offset
accesses. for now I initialize this pointer to (NULL - 64*1024) so
all the suspicious access are trapped and I found all my problems...



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