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[Frama-c-discuss] Analyzing ext2 source code with frama-c

  • Subject: [Frama-c-discuss] Analyzing ext2 source code with frama-c
  • From: Andre.OLIVEIRAMARONEZE at (Andre Maroneze)
  • Date: Thu, 17 Nov 2016 19:45:27 +0100
  • In-reply-to: <>
  • References: <>


A general technique that works in most cases is to modify the build 
process to produce preprocessed files (.i). For instance, with GCC/Clang 
this can be done by adding -E to the parsing command-line. This way, 
most compilation rules can be reused with minimal modifications.

Note, however, that Frama-C does not work with separate compilation: it 
requires all source files to be parsed at the same time, so if the build 
process has several commands for separate compilation, the user must 
combine them manually.

Also, Frama-C includes by default files from its own standard library, 
which is known to be incompatible with some standard headers, especially 
from large code bases, so adding -no-frama-c-stdlib might help avoid 
errors. The drawback is that then you will not have access to Frama-C 
annotations for some functions. Also, you may have to add something like 
"-I/usr/include" to include your own system's headers.

Overall, this process is not straightforward and depends on several 
factors, so some familiarity with the C compilation chain is necessary.

Finally, please consider providing more information about errors in the 
future, to help us reproduce and diagnose them.

Best regards,

On 17/11/2016 08:48, mohsen zandie wrote:
> Hi
> For an academic research i want to analyze Linux ext2 file system to 
> find bug like null pointer exception and any bug which lead to error 
> in file system.
> Can you help me how to analyze the ext2 source code?
> When i want to analyze some file in ext2 directory like acl.c with the 
> following command in linux4.8.7 source code directory::
> ./../FramaC/frama-c-Aluminium-20160502/bin/frama-c -val 
> -cpp-extra-args="-I include" fs/ext2/acl.c
> I got fatal error which means i cant correctly set the value to find 
> header file like asm/types.h
> I don't even know how to set options for getting proper result for my 
> purpose.
> I would be grateful if you give me some hint to accelerate my research.
> regards.
> Mohsen
> -- 
> ===================================
> Mohsen Zandieh
> Msc Student
> Department of Computer Engineering
> Sharif University of Technology
> ===================================
> _______________________________________________
> Frama-c-discuss mailing list
> Frama-c-discuss at

André Maroneze
Ingénieur-chercheur CEA/LIST
Laboratoire Sûreté et Sécurité des Logiciels

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