John Summerfield scribbled:
> On Sat, 9 Nov 2002 01:09, you wrote:
> > On Thu, 2002-11-07 at 19:11, John Summerfield wrote:
> > > On IA32, if it's not in the code segment, you can't execute it.
> > >
> > > The code segment _can_ be ro, so presumably a return to arbitrary code
> > > can be prevente
On Sat, 9 Nov 2002 01:09, you wrote:
> On Thu, 2002-11-07 at 19:11, John Summerfield wrote:
> > On IA32, if it's not in the code segment, you can't execute it.
> >
> > The code segment _can_ be ro, so presumably a return to arbitrary code
> > can be prevented.
>
> I dont need to modify any of the
Linas Vepstas wrote:
> But in my storage-key world, I can imagine spearating the strcture
> from the data, and putting the structure in read-only memory, where the
> app can see it but not corrupt it, and putting the data in a read-write
> key, where the app can do whatever it wants.
And *once yo