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Message-Id: <c6318a78ef026da30aa488bd90a5a19e18fc13a3.1495156488.git.mchehab@s-opensource.com>
Date: Thu, 18 May 2017 22:22:28 -0300
From: Mauro Carvalho Chehab <mchehab@...pensource.com>
To: Linux Doc Mailing List <linux-doc@...r.kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@...pensource.com>,
Mauro Carvalho Chehab <mchehab@...radead.org>,
linux-kernel@...r.kernel.org,
Jonathan Corbet <corbet@....net>,
David Woodhouse <dwmw2@...radead.org>,
Brian Norris <computersforpeace@...il.com>,
Boris Brezillon <boris.brezillon@...e-electrons.com>,
Marek Vasut <marek.vasut@...il.com>,
Richard Weinberger <richard@....at>,
Cyrille Pitchen <cyrille.pitchen@...el.com>,
linux-mtd@...ts.infradead.org,
Kees Cook <keescook@...omium.org>,
Emese Revfy <re.emese@...il.com>,
kernel-hardening@...ts.openwall.com
Subject: [PATCH 23/31] gcc-plugins.txt: standardize document format
Each text file under Documentation follows a different
format. Some doesn't even have titles!
Change its representation to follow the adopted standard,
using ReST markups for it to be parseable by Sphinx:
- promote main title;
- use the right markup for footnotes;
- use bold markup for files name;
- identify literal blocks;
- add blank lines to avoid Sphinx to complain;
- remove numeration from titles.
Signed-off-by: Mauro Carvalho Chehab <mchehab@...pensource.com>
---
Documentation/gcc-plugins.txt | 58 ++++++++++++++++++++++++-------------------
1 file changed, 32 insertions(+), 26 deletions(-)
diff --git a/Documentation/gcc-plugins.txt b/Documentation/gcc-plugins.txt
index 433eaefb4aa1..8502f24396fb 100644
--- a/Documentation/gcc-plugins.txt
+++ b/Documentation/gcc-plugins.txt
@@ -1,14 +1,15 @@
+=========================
GCC plugin infrastructure
=========================
-1. Introduction
-===============
+Introduction
+============
GCC plugins are loadable modules that provide extra features to the
-compiler [1]. They are useful for runtime instrumentation and static analysis.
+compiler [1]_. They are useful for runtime instrumentation and static analysis.
We can analyse, change and add further code during compilation via
-callbacks [2], GIMPLE [3], IPA [4] and RTL passes [5].
+callbacks [2]_, GIMPLE [3]_, IPA [4]_ and RTL passes [5]_.
The GCC plugin infrastructure of the kernel supports all gcc versions from
4.5 to 6.0, building out-of-tree modules, cross-compilation and building in a
@@ -21,56 +22,61 @@ and versions 4.8+ can only be compiled by a C++ compiler.
Currently the GCC plugin infrastructure supports only the x86, arm, arm64 and
powerpc architectures.
-This infrastructure was ported from grsecurity [6] and PaX [7].
+This infrastructure was ported from grsecurity [6]_ and PaX [7]_.
--
-[1] https://gcc.gnu.org/onlinedocs/gccint/Plugins.html
-[2] https://gcc.gnu.org/onlinedocs/gccint/Plugin-API.html#Plugin-API
-[3] https://gcc.gnu.org/onlinedocs/gccint/GIMPLE.html
-[4] https://gcc.gnu.org/onlinedocs/gccint/IPA.html
-[5] https://gcc.gnu.org/onlinedocs/gccint/RTL.html
-[6] https://grsecurity.net/
-[7] https://pax.grsecurity.net/
+.. [1] https://gcc.gnu.org/onlinedocs/gccint/Plugins.html
+.. [2] https://gcc.gnu.org/onlinedocs/gccint/Plugin-API.html#Plugin-API
+.. [3] https://gcc.gnu.org/onlinedocs/gccint/GIMPLE.html
+.. [4] https://gcc.gnu.org/onlinedocs/gccint/IPA.html
+.. [5] https://gcc.gnu.org/onlinedocs/gccint/RTL.html
+.. [6] https://grsecurity.net/
+.. [7] https://pax.grsecurity.net/
-2. Files
-========
-$(src)/scripts/gcc-plugins
+Files
+=====
+
+**$(src)/scripts/gcc-plugins**
+
This is the directory of the GCC plugins.
-$(src)/scripts/gcc-plugins/gcc-common.h
+**$(src)/scripts/gcc-plugins/gcc-common.h**
+
This is a compatibility header for GCC plugins.
It should be always included instead of individual gcc headers.
-$(src)/scripts/gcc-plugin.sh
+**$(src)/scripts/gcc-plugin.sh**
+
This script checks the availability of the included headers in
gcc-common.h and chooses the proper host compiler to build the plugins
(gcc-4.7 can be built by either gcc or g++).
-$(src)/scripts/gcc-plugins/gcc-generate-gimple-pass.h
-$(src)/scripts/gcc-plugins/gcc-generate-ipa-pass.h
-$(src)/scripts/gcc-plugins/gcc-generate-simple_ipa-pass.h
-$(src)/scripts/gcc-plugins/gcc-generate-rtl-pass.h
+**$(src)/scripts/gcc-plugins/gcc-generate-gimple-pass.h,
+$(src)/scripts/gcc-plugins/gcc-generate-ipa-pass.h,
+$(src)/scripts/gcc-plugins/gcc-generate-simple_ipa-pass.h,
+$(src)/scripts/gcc-plugins/gcc-generate-rtl-pass.h**
+
These headers automatically generate the registration structures for
GIMPLE, SIMPLE_IPA, IPA and RTL passes. They support all gcc versions
from 4.5 to 6.0.
They should be preferred to creating the structures by hand.
-3. Usage
-========
+Usage
+=====
You must install the gcc plugin headers for your gcc version,
-e.g., on Ubuntu for gcc-4.9:
+e.g., on Ubuntu for gcc-4.9::
apt-get install gcc-4.9-plugin-dev
-Enable a GCC plugin based feature in the kernel config:
+Enable a GCC plugin based feature in the kernel config::
CONFIG_GCC_PLUGIN_CYC_COMPLEXITY = y
-To compile only the plugin(s):
+To compile only the plugin(s)::
make gcc-plugins
--
2.9.4
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