From patchwork Tue Jul 25 21:11:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Will Deacon X-Patchwork-Id: 13327033 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0586DC0015E for ; Tue, 25 Jul 2023 21:12:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231362AbjGYVMP (ORCPT ); Tue, 25 Jul 2023 17:12:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52468 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229495AbjGYVMM (ORCPT ); Tue, 25 Jul 2023 17:12:12 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B366019A4; Tue, 25 Jul 2023 14:12:11 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 4FCFC618E8; Tue, 25 Jul 2023 21:12:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E296BC433CD; Tue, 25 Jul 2023 21:12:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1690319530; bh=q08Zp/HrT7heTstkuwX+BMifLSLWW6msQ6kNbV77Ua0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TVp2RYFPSZl4vK96ZGq9qmqfDCFy4kJz3u7HldrwwbXSR782Mpz3b/QK6dKuHBUzD VDjtzf3sONi7ey6ndjz+rpZASFt75Dvd5VpBRyU57pcr3H41pZNZ/G6r9ebwBPpfMZ 3Kb+CKiVhSN533P8+REn2c85tXMk9VNf2y++bOsEgKfJrlP8Z8ESVPNiJQ4KkSIlLn IuaIJGKGQxZe3BRtPNXIYtCOqU2OVitqJfsk4J4iC12WMnWuBxud1bdEQzJCHXydzT Jjsr1xxebF1byWjTPSmN4qhHZNTaP09KFWmXMO6uepy0l69ybRFVjdtOaTuN1A1SEP lcY6LmRlzxKXw== From: Will Deacon To: linux-kernel@vger.kernel.org Cc: kernel-team@android.com, Will Deacon , Masahiro Yamada , Nathan Chancellor , Nick Desaulniers , Nicolas Schier , Josh Poimboeuf , John Stultz , linux-kbuild@vger.kernel.org Subject: [PATCH v2 1/2] scripts/mksysmap: Factor out sed ignored symbols expression into script Date: Tue, 25 Jul 2023 22:11:56 +0100 Message-Id: <20230725211157.17031-2-will@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20230725211157.17031-1-will@kernel.org> References: <20230725211157.17031-1-will@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org To prepare for 'faddr2line' reusing the same ignored symbols list as 'mksysmap', factor out the relevant sed expression into its own script, removing the double-escapes for '$' symbols as they are no longer required. Cc: Masahiro Yamada Cc: Nathan Chancellor Cc: Nick Desaulniers Cc: Nicolas Schier Cc: Josh Poimboeuf Cc: John Stultz Cc: linux-kbuild@vger.kernel.org Signed-off-by: Will Deacon --- scripts/mksysmap | 77 +-------------------------------- scripts/sysmap-ignored-syms.sed | 74 +++++++++++++++++++++++++++++++ 2 files changed, 75 insertions(+), 76 deletions(-) create mode 100644 scripts/sysmap-ignored-syms.sed diff --git a/scripts/mksysmap b/scripts/mksysmap index 9ba1c9da0a40..a98b34363258 100755 --- a/scripts/mksysmap +++ b/scripts/mksysmap @@ -16,7 +16,7 @@ # 'W' or 'w'. # -${NM} -n ${1} | sed >${2} -e " +${NM} -n ${1} | sed >${2} -f $(dirname $0)/sysmap-ignored-syms.sed -e " # --------------------------------------------------------------------------- # Ignored symbol types # @@ -27,81 +27,6 @@ ${NM} -n ${1} | sed >${2} -e " # w: local weak symbols / [aNUw] /d -# --------------------------------------------------------------------------- -# Ignored prefixes -# (do not forget a space before each pattern) - -# local symbols for ARM, MIPS, etc. -/ \\$/d - -# local labels, .LBB, .Ltmpxxx, .L__unnamed_xx, .LASANPC, etc. -/ \.L/d - -# arm64 EFI stub namespace -/ __efistub_/d - -# arm64 local symbols in PIE namespace -/ __pi_\\$/d -/ __pi_\.L/d - -# arm64 local symbols in non-VHE KVM namespace -/ __kvm_nvhe_\\$/d -/ __kvm_nvhe_\.L/d - -# arm64 lld -/ __AArch64ADRPThunk_/d - -# arm lld -/ __ARMV5PILongThunk_/d -/ __ARMV7PILongThunk_/d -/ __ThumbV7PILongThunk_/d - -# mips lld -/ __LA25Thunk_/d -/ __microLA25Thunk_/d - -# CFI type identifiers -/ __kcfi_typeid_/d -/ __kvm_nvhe___kcfi_typeid_/d -/ __pi___kcfi_typeid_/d - -# CRC from modversions -/ __crc_/d - -# EXPORT_SYMBOL (symbol name) -/ __kstrtab_/d - -# EXPORT_SYMBOL (namespace) -/ __kstrtabns_/d - -# --------------------------------------------------------------------------- -# Ignored suffixes -# (do not forget '$' after each pattern) - -# arm -/_from_arm$/d -/_from_thumb$/d -/_veneer$/d - -# --------------------------------------------------------------------------- -# Ignored symbols (exact match) -# (do not forget a space before and '$' after each pattern) - -# for LoongArch? -/ L0$/d - -# ppc -/ _SDA_BASE_$/d -/ _SDA2_BASE_$/d - -# --------------------------------------------------------------------------- -# Ignored patterns -# (symbols that contain the pattern are ignored) - -# ppc stub -/\.long_branch\./d -/\.plt_branch\./d - # --------------------------------------------------------------------------- # Ignored kallsyms symbols # diff --git a/scripts/sysmap-ignored-syms.sed b/scripts/sysmap-ignored-syms.sed new file mode 100644 index 000000000000..14b9eb2c9ed9 --- /dev/null +++ b/scripts/sysmap-ignored-syms.sed @@ -0,0 +1,74 @@ +# --------------------------------------------------------------------------- +# Ignored prefixes +# (do not forget a space before each pattern) + +# local symbols for ARM, MIPS, etc. +/ \$/d + +# local labels, .LBB, .Ltmpxxx, .L__unnamed_xx, .LASANPC, etc. +/ \.L/d + +# arm64 EFI stub namespace +/ __efistub_/d + +# arm64 local symbols in PIE namespace +/ __pi_\$/d +/ __pi_\.L/d + +# arm64 local symbols in non-VHE KVM namespace +/ __kvm_nvhe_\$/d +/ __kvm_nvhe_\.L/d + +# arm64 lld +/ __AArch64ADRPThunk_/d + +# arm lld +/ __ARMV5PILongThunk_/d +/ __ARMV7PILongThunk_/d +/ __ThumbV7PILongThunk_/d + +# mips lld +/ __LA25Thunk_/d +/ __microLA25Thunk_/d + +# CFI type identifiers +/ __kcfi_typeid_/d +/ __kvm_nvhe___kcfi_typeid_/d +/ __pi___kcfi_typeid_/d + +# CRC from modversions +/ __crc_/d + +# EXPORT_SYMBOL (symbol name) +/ __kstrtab_/d + +# EXPORT_SYMBOL (namespace) +/ __kstrtabns_/d + +# --------------------------------------------------------------------------- +# Ignored suffixes +# (do not forget '$' after each pattern) + +# arm +/_from_arm$/d +/_from_thumb$/d +/_veneer$/d + +# --------------------------------------------------------------------------- +# Ignored symbols (exact match) +# (do not forget a space before and '$' after each pattern) + +# for LoongArch? +/ L0$/d + +# ppc +/ _SDA_BASE_$/d +/ _SDA2_BASE_$/d + +# --------------------------------------------------------------------------- +# Ignored patterns +# (symbols that contain the pattern are ignored) + +# ppc stub +/\.long_branch\./d +/\.plt_branch\./d