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[Frama-c-discuss] Fwd: Re: Caller-callee relationship from source file

  • Subject: [Frama-c-discuss] Fwd: Re: Caller-callee relationship from source file
  • From: Julien.Signoles at cea.fr (Julien Signoles)
  • Date: Tue, 17 Jan 2012 13:26:37 +0100
  • In-reply-to: <4F153438.6000806@cea.fr>
  • References: <4F153438.6000806@cea.fr>
Message sent this morning but seems to be lost somewhere in the net...

-------- Original Message --------
Subject: Re: [Frama-c-discuss] Caller-callee relationship from source file
Date: Tue, 17 Jan 2012 09:41:28 +0100
From: Julien Signoles <Julien.Signoles at cea.fr>
To: frama-c-discuss at lists.gforge.inria.fr

Hello,

On 01/17/2012 08:28 AM, Shakthi Kannan wrote:
> I am using frama-c 1.6 on Fedora 15. When using frama-c-gui with a
> hello.c file, I am able to view the call graph from Analysis->Show
> callgraph. Is there a way to view/get the caller-callee relationship
> for each function in a .c file from the command line?
>
> Please do let me know.

The command 'frama-c -cg hello.dot hello.c' dump the syntactic callgraph
in dot format into the file hello.dot. That is the very same graph than
the one displayed in the GUI through Analysis -> Show callgraph.

For the record, this callgraph is syntactic: it ignores any function
pointers. If your input program contains such pointers, you would
compute the semantic callgraph which uses the results of the 'Value
Analysis' plug-in to take function pointers into account. The command
line is the same that the above one, but using option -scg instead of
-cg. This semantic callgraph is not yet available through the GUI.

Hope this helps,
Julien