Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933190AbcDLRqN (ORCPT ); Tue, 12 Apr 2016 13:46:13 -0400 Received: from mail-io0-f171.google.com ([209.85.223.171]:33706 "EHLO mail-io0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932687AbcDLRqL (ORCPT ); Tue, 12 Apr 2016 13:46:11 -0400 Date: Tue, 12 Apr 2016 11:46:07 -0600 From: David Brown To: Emese Revfy Cc: linux-kbuild@vger.kernel.org, pageexec@freemail.hu, spender@grsecurity.net, kernel-hardening@lists.openwall.com, mmarek@suse.com, keescook@chromium.org, linux@rasmusvillemoes.dk, fengguang.wu@intel.com, dvyukov@google.com, linux-kernel@vger.kernel.org, yamada.masahiro@socionext.com Subject: Re: [PATCH v6 0/6] Introduce GCC plugin infrastructure Message-ID: <20160412174607.GA92143@davidb.org> References: <20160407231023.5f1307ffc79f0cdd880eedb7@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii; format=flowed Content-Disposition: inline In-Reply-To: <20160407231023.5f1307ffc79f0cdd880eedb7@gmail.com> User-Agent: Mutt/1.6.0 (2016-04-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1278 Lines: 29 On Thu, Apr 07, 2016 at 11:10:23PM +0200, Emese Revfy wrote: >This patch set introduce the GCC plugin infrastructure with examples for testing >and documentation. > >GCC plugins are loadable modules that provide extra features to the compiler. >They are useful for runtime instrumentation and static analysis. > >The infrastructure supports all gcc versions from 4.5 to 6.0, building >out-of-tree modules and building in a separate directory. Cross-compilation >is supported too but currently only the x86, arm and arm64 architectures enables plugins. > >This infrastructure was ported from grsecurity/PaX. It is a CII project >supported by the Linux Foundation. > >Emese Revfy (6): > Shared library support > GCC plugin infrastructure > The GCC plugin infrastructure supports the arm and arm64 architectures too > Add Cyclomatic complexity plugin > Documentations of the GCC plugin infrastructre > Add sancov plugin I've tested the v6 patches on arm, and partially on arm64. The arm64 gcc has a bug in make install that doesn't install all necessary headers to build plugins. I believe the patch will work once that version gets out. It does, however, print a helpful message now explaining the likely cause of the failure. Tested-by: David Brown