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[192.33.36.4]) by smtp.gmail.com with ESMTPSA id s13-20020a056402520d00b0056bf6287f32sm4893415edd.26.2024.04.15.07.55.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Apr 2024 07:55:49 -0700 (PDT) From: Brian Johannesmeyer To: Josh Poimboeuf , linux-kernel@vger.kernel.org, Brian Johannesmeyer Subject: [PATCH v2 6/7] scripts/faddr2line: Remove call to addr2line from find_dir_prefix() Date: Mon, 15 Apr 2024 16:55:37 +0200 Message-Id: <20240415145538.1938745-7-bjohannesmeyer@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240415145538.1938745-1-bjohannesmeyer@gmail.com> References: <20240415145538.1938745-1-bjohannesmeyer@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" Use the single long-running faddr2line process from find_dir_prefix(). Signed-off-by: Brian Johannesmeyer --- scripts/faddr2line | 12 +++++++----- 1 file changed, 7 insertions(+), 5 deletions(-) diff --git a/scripts/faddr2line b/scripts/faddr2line index 48fc8cfc80df..1fa6beef9f97 100755 --- a/scripts/faddr2line +++ b/scripts/faddr2line @@ -85,15 +85,17 @@ command -v ${ADDR2LINE} >/dev/null 2>&1 || die "${ADDR2= LINE} isn't installed" # init/main.c! This only works for vmlinux. Otherwise it falls back to # printing the absolute path. find_dir_prefix() { - local objfile=3D$1 - local start_kernel_addr=3D$(echo "${ELF_SYMS}" | sed 's/\[.*\]//' | ${AWK} '$8 =3D=3D "start_kernel" {printf "0x%s", $2}') [[ -z $start_kernel_addr ]] && return =20 - local file_line=3D$(${ADDR2LINE} -e $objfile $start_kernel_addr) - [[ -z $file_line ]] && return + run_addr2line ${start_kernel_addr} "" + [[ -z $ADDR2LINE_OUT ]] && return =20 + local file_line=3D${ADDR2LINE_OUT#* at } + if [[ -z $file_line ]] || [[ $file_line =3D $ADDR2LINE_OUT ]]; then + return + fi local prefix=3D${file_line%init/main.c:*} if [[ -z $prefix ]] || [[ $prefix =3D $file_line ]]; then return @@ -350,7 +352,7 @@ echo "${ELF_SECHEADERS}" | ${GREP} -q '\.debug_info' ||= die "CONFIG_DEBUG_INFO n init_addr2line $objfile =20 DIR_PREFIX=3Dsupercalifragilisticexpialidocious -find_dir_prefix $objfile +find_dir_prefix =20 FIRST=3D1 while [[ $# -gt 0 ]]; do --=20 2.34.1