From: Masahiro Yamada <masahiroy@kernel.org>
To: ashimida <ashimida@linux.alibaba.com>
Cc: Michal Marek <michal.lkml@markovi.net>,
Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>
Subject: Re: [PATCH v2] mksysmap: Fix the mismatch of '.L' symbols in System.map
Date: Tue, 2 Jun 2020 23:42:26 +0900 [thread overview]
Message-ID: <CAK7LNASLZ4t1=5pDBMvTNryQf_1=-1GASA=unk8asumUDEzsoQ@mail.gmail.com> (raw)
In-Reply-To: <1591083917-63371-1-git-send-email-ashimida@linux.alibaba.com>
On Tue, Jun 2, 2020 at 4:45 PM ashimida <ashimida@linux.alibaba.com> wrote:
>
> When System.map was generated, the kernel used mksysmap to
> filter the kernel symbols, but all the symbols with the
> second letter 'L' in the kernel were filtered out, not just
> the symbols starting with 'dot + L'.
>
> For example:
> ashimida@ubuntu:~/linux$ cat System.map |grep ' .L'
> ashimida@ubuntu:~/linux$ nm -n vmlinux |grep ' .L'
> ffff0000088028e0 t bLength_show
> ......
> ffff0000092e0408 b PLLP_OUTC_lock
> ffff0000092e0410 b PLLP_OUTA_lock
>
> In the original patch[1], the original intent should
> be to filter out all local symbols starting with '.L',
> so the dot should be escaped.
>
> [1]. mksysmap: Add h8300 local symbol pattern
>
> Signed-off-by: ashimida <ashimida@linux.alibaba.com>
> ---
Applied to linux-kbuild. Thanks.
--
Best Regards
Masahiro Yamada
prev parent reply other threads:[~2020-06-02 14:43 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-31 10:28 [PATCH] mksysmap: Fix the mismatch of '.L' symbols in System.map AliOS system security
2020-06-01 11:01 ` Masahiro Yamada
2020-06-02 6:41 ` AliOS system security
2020-06-02 1:50 ` Masahiro Yamada
2020-06-02 7:45 ` [PATCH v2] " ashimida
2020-06-02 14:42 ` Masahiro Yamada [this message]
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