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Re: Insert codes in "CFG"

From: Ian Lance Taylor <iant at google dot com>
To: Harry Trinta <harrytpc at gmail dot com>
Cc: gcc-help <gcc-help at gcc dot gnu dot org>
Date: Wed, 09 Nov 2011 12:46:58 -0800
Subject: Re: Insert codes in "CFG"
References: <CA+waeaVph66tbMu-yd7bRCe8FQ6nzv8pPe6VVitAwpaDDEf0tw@mail.gmail.com>

Harry Trinta <harrytpc@gmail.com> writes:

> I would know how to include new statements in specific CFG blocks
> during compilation. There are resources for this?
> During the profile instrumentation, codes are included on the edges of
> the CFG. How to include code in the block?
> At first I want to include a line code in each block. This line will
> call a function I created in libgcov. This function receive a
> parameter of type int or unsigned.

I think the options here are writing a compiler plugin or modifying gcc
itself.  For information on plugins you can start at

http://gcc.gnu.org/onlinedocs/gccint/Plugins.html
http://gcc.gnu.org/wiki/plugins

Ian

Follow-Ups:
- Re: Insert codes in "CFG"
  - From: Harry Trinta

References:
- Insert codes in "CFG"
  - From: Harry Trinta

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