Control Flow Graph

Chris Johns chrisj at
Sun May 5 23:31:59 UTC 2013

Binkowski, Cassio wrote:
> Anyone?

It has been the weekend where I am so answers may take a few days.

> On Sun, May 5, 2013 at 3:10 PM, Binkowski, Cassio <cassioiks at
> <mailto:cassioiks at>> wrote:
>     Hi everyone
>     Has anyone ever had to generate a control flow graph for your RTEMS
>     application? I'm currently in need of it and would like to know if
>     there is any automated tool for doing this. Do you know any?
>     I have I have found a couple but either the link is already broken
>     or it does not compile on Mac OS.

Have a look at the Python plugin for gcc...

There is a callgraph example in the doco. Maybe that is useful...

If this works, a write up in our wiki would be nice.


>     I have also found a few GCC directives for generating CFG and Gimple
>     files, but I could not find any parser for graphic generation.
>     Please let me know in case you have any clues.
>     Thanks.
>     Cassio
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