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Re: [PATCH v5 2/5] GCC plugin infrastructure

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Hi Emese,

2016-03-15 5:52 GMT+09:00 Emese Revfy <re.emese@gmail.com>:
> On Fri, 11 Mar 2016 15:25:19 +0900
> Masahiro Yamada <yamada.masahiro@socionext.com> wrote:
>
>> Maybe scripts/gcc-plugins/ is better than tools/gcc ?
>>
>> In the directory "scripts/", we have several tools used during
>> building the kernel image.
>> We have some optional programs in the directory "tools/", which are not used
>> for building the kernel image itself.
>>
>> Please correct me if I am wrong.
>
> I think scripts isn't the right place because there are tools there which don't get used
> during the building of vmlinux (e.g., coccinelle, checkpatch).

No, this is not what I meant.

What I want to say is:
All the host tools used for building vmlinux should be located in the
directory "scripts/",
but the directory may also other host tools that are not used for
building vmlinux (such as checkpatch).


> The scripts name also doesn't describe gcc plugins well.

With my suggestion "scripts/gcc-plugins/",
the sub-directory name describes it very well.


> Plugins take part in the image building process
> in a different way than these tools and scripts do.
> Since there doesn't seen to be a good place for compiler plugins, maybe we should create a new toplevel directory
> called "build". Compiler plugins and other existing build tools could live there. What do you think?

In my understanding, they are plug-in'ed into the cross-compiler that
compiles vmlinux.

If so, GCC plugins should be happy in "scripts/"
because Kbuild descends into "scripts/" before building any objects for vmlinux.


-- 
Best Regards
Masahiro Yamada

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Thread

[PATCH v5 0/5] Introduce GCC plugin infrastructure Emese Revfy <re.emese@gmail.com> - 2016-03-07 00:10 +0100
  [PATCH v5 3/5] Add Cyclomatic complexity GCC plugin Emese Revfy <re.emese@gmail.com> - 2016-03-07 00:10 +0100
    Re: [PATCH v5 3/5] Add Cyclomatic complexity GCC plugin Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-03-11 07:30 +0100
      Re: [PATCH v5 3/5] Add Cyclomatic complexity GCC plugin Emese Revfy <re.emese@gmail.com> - 2016-03-14 22:10 +0100
  [PATCH v5 5/5] Add sancov plugin Emese Revfy <re.emese@gmail.com> - 2016-03-07 00:10 +0100
    Re: [PATCH v5 5/5] Add sancov plugin Kees Cook <keescook@chromium.org> - 2016-03-07 22:10 +0100
      Re: [PATCH v5 5/5] Add sancov plugin Emese Revfy <re.emese@gmail.com> - 2016-03-07 22:40 +0100
      Re: [PATCH v5 5/5] Add sancov plugin Dmitry Vyukov <dvyukov@google.com> - 2016-03-08 12:00 +0100
  [PATCH v5 1/5] Shared library support Emese Revfy <re.emese@gmail.com> - 2016-03-07 00:10 +0100
    Re: [PATCH v5 1/5] Shared library support Kees Cook <keescook@chromium.org> - 2016-03-07 22:10 +0100
      Re: [PATCH v5 1/5] Shared library support Emese Revfy <re.emese@gmail.com> - 2016-03-07 22:40 +0100
    Re: [PATCH v5 1/5] Shared library support Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-03-11 07:30 +0100
      Re: [PATCH v5 1/5] Shared library support Emese Revfy <re.emese@gmail.com> - 2016-03-14 21:20 +0100
        Re: [PATCH v5 1/5] Shared library support Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-03-16 09:00 +0100
  Re: [kernel-hardening] [PATCH v5 2/5] GCC plugin infrastructure David Brown <david.brown@linaro.org> - 2016-03-09 10:10 +0100
    Re: [kernel-hardening] [PATCH v5 2/5] GCC plugin infrastructure Kees Cook <keescook@chromium.org> - 2016-03-09 22:00 +0100
      Re: [kernel-hardening] [PATCH v5 2/5] GCC plugin infrastructure Emese Revfy <re.emese@gmail.com> - 2016-03-09 23:10 +0100
    Re: [kernel-hardening] [PATCH v5 2/5] GCC plugin infrastructure Emese Revfy <re.emese@gmail.com> - 2016-03-09 23:10 +0100
  Re: [PATCH v5 2/5] GCC plugin infrastructure Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-03-11 07:30 +0100
    Re: [PATCH v5 2/5] GCC plugin infrastructure Emese Revfy <re.emese@gmail.com> - 2016-03-14 22:00 +0100
      Re: [PATCH v5 2/5] GCC plugin infrastructure Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-03-16 08:50 +0100
        Re: [PATCH v5 2/5] GCC plugin infrastructure Emese Revfy <re.emese@gmail.com> - 2016-03-16 22:10 +0100
    Re: [PATCH v5 2/5] GCC plugin infrastructure "PaX Team" <pageexec@freemail.hu> - 2016-03-14 22:30 +0100
      Re: [PATCH v5 2/5] GCC plugin infrastructure Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-03-16 08:40 +0100
        Re: [PATCH v5 2/5] GCC plugin infrastructure "PaX Team" <pageexec@freemail.hu> - 2016-03-16 14:00 +0100
          Re: [PATCH v5 2/5] GCC plugin infrastructure Masahiro Yamada <yamada.masahiro@socionext.com> - 2016-03-17 05:20 +0100

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