Date: Tue, 12 Apr 2016 11:27:52 -0700 From: Kees Cook <keescook@...omium.org> To: David Brown <david.brown@...aro.org>, Emese Revfy <re.emese@...il.com>, Masahiro Yamada <yamada.masahiro@...ionext.com>, Michal Marek <mmarek@...e.com> Cc: linux-kbuild <linux-kbuild@...r.kernel.org>, PaX Team <pageexec@...email.hu>, Brad Spengler <spender@...ecurity.net>, "kernel-hardening@...ts.openwall.com" <kernel-hardening@...ts.openwall.com>, Rasmus Villemoes <linux@...musvillemoes.dk>, Fengguang Wu <fengguang.wu@...el.com>, Dmitry Vyukov <dvyukov@...gle.com>, LKML <linux-kernel@...r.kernel.org> Subject: Re: [PATCH v6 0/6] Introduce GCC plugin infrastructure On Tue, Apr 12, 2016 at 10:46 AM, David Brown <david.brown@...aro.org> wrote: > 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 <david.brown@...aro.org> Awesome! Thanks for testing this. I still need to finish getting my arm64 environment built... Do you happen to know if there's already a gcc bug open for the make install problem? Masahiro and Michal, does this series look good to you? I'd really like to get this into -next for wider testing. Emese, were you thinking of doing the initify plugin next after this infrastructure lands? -Kees -- Kees Cook Chrome OS & Brillo Security
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