GCC Intermediate Representation & recommended reading & examples

[Eric Dillaber]

Hello,

I am new to compiler design & interested in learning more about the
internals of GCC.  Specifically I am interested in learning how to
interface to the internal representation so that I could extract
information about a C-source file such as defined data (&its attributes
-like base C datatype), functions, hierarchy, scope of data...  I am
interested in trying to make a sort of browser or report generator that
gives important information about the c source file.

I have looked through some of the gcc documentation:
http://gcc.gnu.org/onlinedocs/gccint/Trees.html#Trees
and its very helpful.  Can you recommend any additional reading that
relates to what I am trying to do for a newbie?  

Also, if you know of any example source I could get that interfaces to
the internals to do something similiar to what I would like to do, that
would be great.

Thanks for your help,

Eric Dillaber

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