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[Frama-c-discuss] Defining a new architecture

Hello, Sylvain.

On Fri, Feb 3, 2012 at 3:07 PM, sylvain nahas
<sylvain.nahas at googlemail.com>wrote:

> 1. Has somebody already used Frama-C on 8 bits processor architectures?
> Is it expected to work?
>

It is not expected to work until it has been tested. For all we know,
it could fail for all programs, or silently mess up one target program in
ten.


> 2. How is it currently possible to add a new architecture as a
> parameter to -machdep - alternatively, is there a way to achieve the
> same level of parametrization without creating a machdep-*.ml file
> (maybe with command line switches)?
>
> I have had a look at the machdep-*.ml files. The content is clear
> enough but I am wondering how a user is supposed to add a definition.
> By modifying the source code? Is it then enough to add a new file and
> tweak a Makefile or is there more wizardry involved?
>

You need to test it and debug the front-end bugs that only occur with
the new architecture and have never been revealed before.

This part of Frama-C is not considered user-serviceable.
We won't explain how to change it with the current system,
that is not intended to be convenient (free hint).

Having us develop a new target architecture is an excellent
excuse for a "support and minor evolutions" contract with us.
In fact, this kind of adaptation fits right into the standard one
that several partners have already adopted.

Still, Frama-C is open-source and it is your privilege to mess
with it on your own.

Best regards,

Pascal
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