From: Emese Revfy <re.emese@gmail.com>
To: kernel-hardening@lists.openwall.com
Cc: Andrew Donnellan <andrew.donnellan@au1.ibm.com>,
linux-kbuild@vger.kernel.org, pageexec@freemail.hu,
spender@grsecurity.net, mmarek@suse.com, keescook@chromium.org,
linux@rasmusvillemoes.dk, fengguang.wu@intel.com,
dvyukov@google.com, linux-kernel@vger.kernel.org,
david.brown@linaro.org, yamada.masahiro@socionext.com
Subject: Re: [kernel-hardening] [PATCH v8 3/4] Add Cyclomatic complexity GCC plugin
Date: Wed, 18 May 2016 12:53:11 +0200 [thread overview]
Message-ID: <20160518125311.311f970310f5e0080d690d17@gmail.com> (raw)
In-Reply-To: <573C26DC.6020607@au1.ibm.com>
On Wed, 18 May 2016 18:25:00 +1000
Andrew Donnellan <andrew.donnellan@au1.ibm.com> wrote:
> On 13/05/16 09:58, Emese Revfy wrote:
> > Add a very simple plugin to demonstrate the GCC plugin infrastructure. This GCC
> > plugin computes the cyclomatic complexity of each function.
>
> ...
>
> > +config GCC_PLUGIN_CYC_COMPLEXITY
> > + bool "Compute the cyclomatic complexity of a function"
> > + depends on GCC_PLUGINS
> > + help
> > + The complexity M of a function's control flow graph is defined as:
> > + M = E - N + 2P
> > + where
> > +
> > + E = the number of edges
> > + N = the number of nodes
> > + P = the number of connected components (exit nodes).
> > +
>
> If this plugin is intended primarily as a demonstration it's probably
> worth mentioning this in the Kconfig description.
Hi,
Before sancov this plugin demonstrated the gcc plugin infrastructure but otherwise this is a fully working plugin not a test plugin. Also it doesn't demonstrate all aspects of writing gcc plugins.
--
Emese
next prev parent reply other threads:[~2016-05-18 10:46 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-12 23:54 [PATCH v8 0/4] Introduce GCC plugin infrastructure Emese Revfy
2016-05-12 23:56 ` [PATCH v8 1/4] Shared library support Emese Revfy
2016-05-12 23:57 ` [PATCH v8 2/4] GCC plugin infrastructure Emese Revfy
2016-05-17 14:28 ` Michal Marek
2016-05-18 10:56 ` Emese Revfy
2016-05-18 8:51 ` [kernel-hardening] " Andrew Donnellan
2016-05-18 10:33 ` Emese Revfy
2016-05-18 21:14 ` Andrew Donnellan
2016-05-19 6:22 ` Michael Ellerman
2016-05-19 6:30 ` Andrew Donnellan
2016-05-19 8:24 ` PaX Team
2016-05-20 6:22 ` Andrew Donnellan
2016-05-20 10:10 ` Michael Ellerman
2016-05-12 23:58 ` [PATCH v8 3/4] Add Cyclomatic complexity GCC plugin Emese Revfy
2016-05-18 8:25 ` [kernel-hardening] " Andrew Donnellan
2016-05-18 10:53 ` Emese Revfy [this message]
2016-05-12 23:59 ` [PATCH v8 4/4] Add sancov plugin Emese Revfy
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