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Otherwise host nm may not recognize ARM Thumb-2 instruction address we= ll. Signed-off-by: Xiong Nandi Reviewed-by: Elliot Berman --- scripts/decode_stacktrace.sh | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh index fa5be6f57b00..2bc3a54ffba5 100755 --- a/scripts/decode_stacktrace.sh +++ b/scripts/decode_stacktrace.sh @@ -30,6 +30,7 @@ fi =20 READELF=3D${UTIL_PREFIX}readelf${UTIL_SUFFIX} ADDR2LINE=3D${UTIL_PREFIX}addr2line${UTIL_SUFFIX} +NM=3D${UTIL_PREFIX}nm${UTIL_SUFFIX} =20 if [[ $1 =3D=3D "-r" ]] ; then vmlinux=3D"" @@ -158,7 +159,7 @@ parse_symbol() { if [[ $aarray_support =3D=3D true && "${cache[$module,$name]+isset}" =3D= =3D "isset" ]]; then local base_addr=3D${cache[$module,$name]} else - local base_addr=3D$(nm "$objfile" 2>/dev/null | awk '$3 =3D=3D "'$name'"= && ($2 =3D=3D "t" || $2 =3D=3D "T") {print $1; exit}') + local base_addr=3D$(${NM} "$objfile" 2>/dev/null | awk '$3 =3D=3D "'$nam= e'" && ($2 =3D=3D "t" || $2 =3D=3D "T") {print $1; exit}') if [[ $base_addr =3D=3D "" ]] ; then # address not found return --=20 2.25.1 From nobody Fri Feb 13 18:35:09 2026 Received: from mail-pf1-f175.google.com (mail-pf1-f175.google.com [209.85.210.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A8B278475 for ; Thu, 23 May 2024 01:03:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.175 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716426227; cv=none; b=n8mQu/dYVpHdSKco573N7T9gORisvg+MjX0IWF7gLnNvONnxn8hVAXeauZIWyO5h7PpwFTVyG1x1NAxJc15NewNxQZfpV/A0maO/vRbqHcvQynQcgC3/RTqwDR/RrTGw8HCzpS1fQaarnmHts6uS/d4s9KFZEdixUziWO/PtsCU= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716426227; c=relaxed/simple; bh=oRLFCvmflvwBww972OTFC19rqZZLX6S+rVQ/YdgGPpY=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=fsPEEB0+CXO9MNVRofp6jJpMs0dq7TzOo9wVdAhoGsTyWK5jeQwHZQD5VLH+DI5RuUkGdRCQiyyMN3kQrNGk/WwwT/f9k7cuE3ioGpX0Ye67Qf60UKDt0o5TJ82ktpPGm5yPgu3+ZmfOSl6aBlEzoSaeTC2IvfK7heYZL4hdY+U= ARC-Authentication-Results: i=1; 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Wed, 22 May 2024 18:03:45 -0700 (PDT) Received: from localhost.localdomain ([111.196.74.188]) by smtp.googlemail.com with ESMTPSA id d9443c01a7336-1ef0b9d4828sm244348265ad.20.2024.05.22.18.03.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 May 2024 18:03:44 -0700 (PDT) From: Xiong Nandi To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, quic_bjorande@quicinc.com, cmllamas@google.com, quic_eberman@quicinc.com, Xiong Nandi Subject: [PATCH v2 2/2] scripts/decode_stacktrace.sh: better support to ARM32 module stack trace Date: Thu, 23 May 2024 09:03:18 +0800 Message-Id: <20240523010318.12934-3-xndchn@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240523010318.12934-1-xndchn@gmail.com> References: <20240521194010043-0700.eberman@hu-eberman-lv.qualcomm.com> <20240523010318.12934-1-xndchn@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Sometimes there is special characters around module name in stack trace, such as ARM32 with BACKTRACE_VERBOSE in "(%pS)" format, such as: [<806e4845>] (dump_stack_lvl) from [<7f806013>] (hello_init+0x13/0x1000 [te= st]) After stripping other characters around "[module]", it can be finally decod= ed: (dump_stack_lvl) from hello_init (/foo/test.c:10) test Signed-off-by: Xiong Nandi --- scripts/decode_stacktrace.sh | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh index 2bc3a54ffba5..324e4a6c260a 100755 --- a/scripts/decode_stacktrace.sh +++ b/scripts/decode_stacktrace.sh @@ -283,8 +283,8 @@ handle_line() { =20 if [[ ${words[$last]} =3D~ \[([^]]+)\] ]]; then module=3D${words[$last]} - module=3D${module#\[} - module=3D${module%\]} + module=3D${module#*\[} + module=3D${module%\]*} modbuildid=3D${module#* } module=3D${module% *} if [[ $modbuildid =3D=3D $module ]]; then --=20 2.25.1