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[Frama-c-discuss] Questions about the Lithium beta 1 release

  • Subject: [Frama-c-discuss] Questions about the Lithium beta 1 release
  • From: david.delmas at airbus.com (David DELMAS)
  • Date: Tue Dec 2 12:53:57 2008
Dear all,

I would like to ask a few questions.


1. On dynamic plugins.

  1.1. We are very happy with this feature, but it works only in
bytecode mode (Lithium beta 1). Will it eventually work with native code
also?

  1.2. We have expressed (offline) the need for specific "hooks" in
Frama-C:
    - when variables are being renamed because of scope issues;
    - when implicit casts are being made explicit;
    - when enumerated values are being replaced by integer constants.
Are you working on this? When do you hope to release a version
implementing such features? (even an intermediate CVS version)


2. On machine dependent parameters.

One of the tool general options reads:
  -machdep machine : use [machine] as the current machine dependent
configuration.
Can you tell me more on how to fill in this configuration file?

Section 2.4.2 of http://frama-c.cea.fr/download/frama-c-manual-Lithium-
en.pdf claims "an autodetection program is provided in order to check
the hypotheses mentioned in section 2.4.1, as well as to detect the
endianness of the target and size of each C type".
I failed to find such a program. Could you tell me more on this?


3. On install issues.

  3.1. http://frama-c.cea.fr/download.html claims Frama-C Lithium will
also soon be available through the GODI package manager. Unless I am
mistaken, you haven't done so yet. Are you planning to do it soon?

  3.2. We have been able to run Frama-C on Linux RHEL 4 untill
Helium-20080701+dev2, but on the GUI no longer works with
Lithium-20081001+alpha1 and with Lithium-20081002+beta1. This is a
nuisance, because it is hard to experiment on impact analysis that way.


Thanks endeed for your help!
David

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