linux-kernel - Re: [PATCH v6 01/18] tools: Add gendwarfksyms

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Message-ID: <CAK7LNATzF9++sEcgX3t3KEAH1JFPPdeB9EMVk44KVQ1cBiO8xg@mail.gmail.com>
Date: Tue, 26 Nov 2024 22:35:02 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: Sami Tolvanen <samitolvanen@...gle.com>
Cc: Luis Chamberlain <mcgrof@...nel.org>, Miguel Ojeda <ojeda@...nel.org>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Matthew Maurer <mmaurer@...gle.com>, 
	Alex Gaynor <alex.gaynor@...il.com>, Gary Guo <gary@...yguo.net>, 
	Petr Pavlu <petr.pavlu@...e.com>, Daniel Gomez <da.gomez@...sung.com>, Neal Gompa <neal@...pa.dev>, 
	Hector Martin <marcan@...can.st>, Janne Grunau <j@...nau.net>, Miroslav Benes <mbenes@...e.cz>, 
	Asahi Linux <asahi@...ts.linux.dev>, Sedat Dilek <sedat.dilek@...il.com>, 
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-modules@...r.kernel.org, rust-for-linux@...r.kernel.org
Subject: Re: [PATCH v6 01/18] tools: Add gendwarfksyms

On Fri, Nov 22, 2024 at 5:42 AM Sami Tolvanen <samitolvanen@...gle.com> wrote:
>
> Add a basic DWARF parser, which uses libdw to traverse the debugging
> information in an object file and looks for functions and variables.
> In follow-up patches, this will be expanded to produce symbol versions
> for CONFIG_MODVERSIONS from DWARF.
>
> Signed-off-by: Sami Tolvanen <samitolvanen@...gle.com>
> Reviewed-by: Petr Pavlu <petr.pavlu@...e.com>
> ---
>  kernel/module/Kconfig                 |   8 ++
>  scripts/Makefile                      |   1 +
>  scripts/gendwarfksyms/.gitignore      |   2 +
>  scripts/gendwarfksyms/Makefile        |   8 ++
>  scripts/gendwarfksyms/dwarf.c         | 166 ++++++++++++++++++++++++++
>  scripts/gendwarfksyms/gendwarfksyms.c | 126 +++++++++++++++++++
>  scripts/gendwarfksyms/gendwarfksyms.h | 100 ++++++++++++++++
>  scripts/gendwarfksyms/symbols.c       |  96 +++++++++++++++
>  8 files changed, 507 insertions(+)
>  create mode 100644 scripts/gendwarfksyms/.gitignore
>  create mode 100644 scripts/gendwarfksyms/Makefile
>  create mode 100644 scripts/gendwarfksyms/dwarf.c
>  create mode 100644 scripts/gendwarfksyms/gendwarfksyms.c
>  create mode 100644 scripts/gendwarfksyms/gendwarfksyms.h
>  create mode 100644 scripts/gendwarfksyms/symbols.c
>
> diff --git a/kernel/module/Kconfig b/kernel/module/Kconfig
> index 7c6588148d42..f9e5f82fa88b 100644
> --- a/kernel/module/Kconfig
> +++ b/kernel/module/Kconfig
> @@ -169,6 +169,14 @@ config MODVERSIONS
>           make them incompatible with the kernel you are running.  If
>           unsure, say N.
>
> +config GENDWARFKSYMS
> +       bool


You can move the prompt addition from 17/18 to this patch.

-       bool
+       bool "gendwarfksyms (from debugging information)"


You split the patch set into a large number of patches, but
I cannot compile-test each of them until 17/18 is applied.





-- 
Best Regards
Masahiro Yamada