what would take to allow binary upgrade to amd64?

[Eitan Adler]

On Sun, May 30, 2010 at 10:52 PM, Rob Farmer <rfarmer at predatorlabs.net> wrote:
> On Sun, May 30, 2010 at 11:51 AM, Eitan Adler <lists at eitanadler.com> wrote:
>> I know that attempting to change from i386 to amd64 is is not possible
>
> The proper procedure for such an upgrade is as follows:
....
>
> If the thought of reformatting your system is scary, because you don't
> have backups or aren't sure they are comprehensive or work, then solve
> that problem, rather than trying to invent workarounds to cover for
> bad system administration. It will serve you much better in the long
> run.
This isn't my question. I know how to currently perform the upgrade.

My question is
a) is it possible in theory to allow binary upgrades to be done?
and b) if yes how much work would it take?


-- 
Eitan Adler