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From: "Thomas Weißschuh" <linux@weissschuh.net>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Masahiro Yamada <masahiroy@kernel.org>,
	 Adrian Hunter <adrian.hunter@intel.com>,
	Ian Rogers <irogers@google.com>,
	 James Clark <james.clark@linaro.org>,
	Jiri Olsa <jolsa@kernel.org>,
	 Kan Liang <kan.liang@linux.intel.com>,
	Ravi Bangoria <ravi.bangoria@amd.com>,
	 Joe Mario <jmario@redhat.com>,
	Namhyung Kim <namhyung@kernel.org>,
	 Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	linux-perf-users@vger.kernel.org
Subject: Re: DW_AT_comp_dir and O= usage not working with objdump -dS, perf probe, etc
Date: Thu, 1 May 2025 08:59:39 +0200	[thread overview]
Message-ID: <8046e5bb-06d4-47dd-ad08-deef63a7e734@t-8ch.de> (raw)
In-Reply-To: <aBKziq9dr_EsWLuZ@x1>

Hi Arnaldo,

On 2025-04-30 20:34:34-0300, Arnaldo Carvalho de Melo wrote:
> 	I noticed recently while testing some other patches that
> disassembling with objdump -dS didn't work when building the kernel with
> O= as it sets it to the build dir, not to where the sources are, for
> instance:

<snip>

> I haven't checked, ran out of time today, but I think this may be
> involved:
> 
> commit 97282e6d380db8a07120fe1b794ac969ee4a3b5c
> Author: Thomas Weißschuh <linux@weissschuh.net>
> Date:   Sat Mar 22 10:03:16 2025 +0100
> 
>     x86: drop unnecessary prefix map configuration

It should be caused by this one:

commit cacd22ce69585a91c386243cd662ada962431e63
Author: Thomas Weißschuh <linux@weissschuh.net>
Date:   Sat Mar 15 14:20:14 2025 +0100

    kbuild: make all file references relative to source root


There is already another report about objdump here:
https://lore.kernel.org/lkml/aBEttQH4kimHFScx@intel.com/

Let's continue the discussion there.


Thomas

  reply	other threads:[~2025-05-01  6:59 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-30 23:34 Arnaldo Carvalho de Melo
2025-05-01  6:59 ` Thomas Weißschuh [this message]
2025-05-02 16:33   ` Arnaldo Carvalho de Melo

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