From patchwork Mon Sep 26 09:02:27 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Masahiro Yamada X-Patchwork-Id: 12988390 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 04341C6FA92 for ; Mon, 26 Sep 2022 09:04:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234658AbiIZJEA (ORCPT ); Mon, 26 Sep 2022 05:04:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33794 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234614AbiIZJD6 (ORCPT ); Mon, 26 Sep 2022 05:03:58 -0400 Received: from conuserg-10.nifty.com (conuserg-10.nifty.com [210.131.2.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 82C22B9B; Mon, 26 Sep 2022 02:03:57 -0700 (PDT) Received: from zoe.. (133-32-182-133.west.xps.vectant.ne.jp [133.32.182.133]) (authenticated) by conuserg-10.nifty.com with ESMTP id 28Q92Yo0010468; Mon, 26 Sep 2022 18:02:35 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-10.nifty.com 28Q92Yo0010468 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1664182956; bh=yaPt91/rxKPwYcQ48BpGmlDGPrqfKbzBUcHywF68xIg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WX+YXol16U6ujac+IClQQdI6dWqXOjpMJMxM7za/05S9+TR4PkZSDc8sYQG7niMfJ JydDQwYPipooGHK+zZExaA7PmmM1jdgkwjvrdC8k43Udb22Ktja7BagU/6+csbFZZv C47bajakysNkw35/fNVNsUIm2dpUSPXPLIDHFHBEcbpsRbnrXcw+hNC+hQCzkhkAZC P+w30ueUzohv7wF+YQvSPHGC1kQWvzjUqH5tpFx7w1luBF4KyRsui4wE9qBWIuRcwb TRXz13RxqskDrFvPSLbUvvoC+ik7kZf3ZDCQVRwjCzZ/L/XNyc4kXF+07q1Q1NNDnT LWuLktuGv/IBw== X-Nifty-SrcIP: [133.32.182.133] From: Masahiro Yamada To: linux-kbuild@vger.kernel.org Cc: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org, Masahiro Yamada , Changbin Du , Fuad Tabba , Kalesh Singh , Michal Marek , Nick Desaulniers , Yuntao Wang Subject: [PATCH 3/5] kallsyms: drop duplicated ignore patterns from kallsyms.c Date: Mon, 26 Sep 2022 18:02:27 +0900 Message-Id: <20220926090229.643134-3-masahiroy@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220926090229.643134-1-masahiroy@kernel.org> References: <20220926090229.643134-1-masahiroy@kernel.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kbuild@vger.kernel.org Now that kallsyms.c parses the output from mksysmap, some symbols have already been dropped. Move comments to scripts/mksysmap. Also, make the grep command readable. Signed-off-by: Masahiro Yamada --- scripts/kallsyms.c | 3 --- scripts/mksysmap | 14 +++++++++++++- 2 files changed, 13 insertions(+), 4 deletions(-) diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c index f18e6dfc68c5..313cc8161123 100644 --- a/scripts/kallsyms.c +++ b/scripts/kallsyms.c @@ -107,9 +107,6 @@ static bool is_ignored_symbol(const char *name, char type) /* Symbol names that begin with the following are ignored.*/ static const char * const ignored_prefixes[] = { - "$", /* local symbols for ARM, MIPS, etc. */ - ".L", /* local labels, .LBB,.Ltmpxxx,.L__unnamed_xx,.LASANPC, etc. */ - "__crc_", /* modversions */ "__efistub_", /* arm64 EFI stub namespace */ "__kvm_nvhe_$", /* arm64 local symbols in non-VHE KVM namespace */ "__kvm_nvhe_.L", /* arm64 local symbols in non-VHE KVM namespace */ diff --git a/scripts/mksysmap b/scripts/mksysmap index bc5396e255d8..75f3dfd1c156 100755 --- a/scripts/mksysmap +++ b/scripts/mksysmap @@ -40,5 +40,17 @@ # 'W' or 'w'. # # Ignored prefixes: +# $ - local symbols for ARM, MIPS, etc. +# .L - local labels, .LBB,.Ltmpxxx,.L__unnamed_xx,.LASANPC, etc. # __crc_ - modversions -$NM -n $1 | grep -v '\( [aNUw] \)\|\(__crc_\)\|\( \$[adt]\)\|\( \.L\)\|\( L0\)' > $2 +# +# Ignored symbols: +# L0 - for LoongArch? + +$NM -n $1 | grep -v \ + -e ' [aNUw] ' \ + -e ' \$' \ + -e ' \.L' \ + -e ' __crc_' \ + -e ' L0$' \ +> $2