Message ID | 20220505072244.1155033-7-masahiroy@kernel.org |
---|---|
State | Not Applicable |
Headers | show
Return-Path: <linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (2048-bit key; secure) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=qen4T9Mo; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=nifty.com header.i=@nifty.com header.a=rsa-sha256 header.s=dec2015msa header.b=s8CzChdZ; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=none (no SPF record) smtp.mailfrom=lists.infradead.org (client-ip=2607:7c80:54:e::133; helo=bombadil.infradead.org; envelope-from=linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org; receiver=<UNKNOWN>) Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:e::133]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by bilbo.ozlabs.org (Postfix) with ESMTPS id 4Kv4vh5xmSz9sG2 for <incoming@patchwork.ozlabs.org>; Thu, 5 May 2022 17:24:32 +1000 (AEST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=nP9f1ZZpxbM1XbFATJUmHK73r220Iya2cQjG2ohJtho=; b=qen4T9MoHCf0gG CS167Oaiy8TAJcx3C+gIlVujjeET7lapGAHVybE8cG0mJrRvGvj6fjtRKmijmcIq25Bkky+eAQZ00 LqznbobTlKTmJUQcg6bNmrv9uVi8tnd+9x40tA8Uu64V8YXPQhg7c/ihVClEyM1uuRAOtZj7x5S2F MOE3aqSGHwrl/3LFCRZMTiEbTj2xDwOtTEQFSvDhY56rqC8WftCbDT3TdJ3LafT3Esej5T29EJxde AaYNDCJ1SHkYm6RM2YI8CZPuZb806DOaEKrL4JTzFgVKbfRuYwLzfsJYnCOdemY4Dvj5DadcSdGA3 yC+LQVdke6fNRB0sUnfQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nmVqb-00ENmN-Fq; Thu, 05 May 2022 07:24:25 +0000 Received: from conuserg-12.nifty.com ([210.131.2.79]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nmVqX-00ENhX-QV; Thu, 05 May 2022 07:24:23 +0000 Received: from grover.sesame (133-32-177-133.west.xps.vectant.ne.jp [133.32.177.133]) (authenticated) by conuserg-12.nifty.com with ESMTP id 2457Neno019426; Thu, 5 May 2022 16:23:47 +0900 DKIM-Filter: OpenDKIM Filter v2.10.3 conuserg-12.nifty.com 2457Neno019426 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nifty.com; s=dec2015msa; t=1651735428; bh=jiny9e/0ekLHfzDMPj/sTAYkp3K4e6Ir8SZeJf0qunI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=s8CzChdZOXXECM2SJqlUNY/RhAyMMyUj53jsSphu1U+2MxbScJI/0J74sbJu8dUVP FvXOIHejc8zclit4u9J9UEq+wuFT42/BAOI+9YhBebmsgWrNKPRJCOpl66DmR5cNXU AAH4LfUbUt2jr9/+WwldUA50jaKLwfgV0Vt6Mbglmro41BirayumolaEHice+urhim YzIGOo5QiBzUFigZRKwD/Preqo125kSiD66lcLlMhrgPG6RwtPJnldGl+gdQq18juZ bwQo7ErSMekWvQHB8+6TXyXu2TCug/4pBJ48orLidkmwiG2uk+hE57AmtmKzRpxIYW UldyhAx1qO4aA== X-Nifty-SrcIP: [133.32.177.133] From: Masahiro Yamada <masahiroy@kernel.org> To: linux-kbuild@vger.kernel.org Cc: clang-built-linux@googlegroups.com, linux-kernel@vger.kernel.org, Nicolas Schier a <nicolas@fjasle.eu>, Ard Biesheuvel <ardb@kernel.org>, Luis Chamberlain <mcgrof@kernel.org>, Peter Zijlstra <peterz@infradead.org>, linuxppc-dev@lists.ozlabs.org, linux-um@lists.infradead.org, linux-s390@vger.kernel.org, Nick Desaulniers <ndesaulniers@google.com>, Sami Tolvanen <samitolvanen@google.com>, Kees Cook <keescook@chromium.org>, Masahiro Yamada <masahiroy@kernel.org> Subject: [PATCH v3 06/15] kbuild: record symbol versions in *.cmd files Date: Thu, 5 May 2022 16:22:35 +0900 Message-Id: <20220505072244.1155033-7-masahiroy@kernel.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220505072244.1155033-1-masahiroy@kernel.org> References: <20220505072244.1155033-1-masahiroy@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220505_002422_110597_3540FEA3 X-CRM114-Status: GOOD ( 12.78 ) X-Spam-Score: 1.0 (+) X-Spam-Report: Spam detection software, running on the system "bombadil.infradead.org", has NOT identified this incoming email as spam. The original message has been attached to this so you can view it or label similar future email. If you have any questions, see the administrator of that system for details. Content preview: When CONFIG_MODVERSIONS=y, the output from genksyms is saved in separate *.symversions files, and will be used much later when CONFIG_LTO_CLANG=y because it is impossible to update LLVM bit code here. Content analysis details: (1.0 points, 5.0 required) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [210.131.2.79 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record 1.0 SPF_SOFTFAIL SPF: sender does not match SPF record (softfail) -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid X-BeenThere: linux-um@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: <linux-um.lists.infradead.org> List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-um>, <mailto:linux-um-request@lists.infradead.org?subject=unsubscribe> List-Archive: <http://lists.infradead.org/pipermail/linux-um/> List-Post: <mailto:linux-um@lists.infradead.org> List-Help: <mailto:linux-um-request@lists.infradead.org?subject=help> List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-um>, <mailto:linux-um-request@lists.infradead.org?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-um" <linux-um-bounces@lists.infradead.org> Errors-To: linux-um-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org |
Series |
kbuild: yet another series of cleanups (modpost, LTO, MODULE_REL_CRCS)
|
expand
|
diff --git a/scripts/Makefile.build b/scripts/Makefile.build index f6a506318795..a1023868775f 100644 --- a/scripts/Makefile.build +++ b/scripts/Makefile.build @@ -171,10 +171,17 @@ ifdef CONFIG_MODVERSIONS # Generate .o.symversions files for each .o with exported symbols, and link these # to the kernel and/or modules at the end. + +genksyms_format_rel_crc := [^_]*__crc_\([^ ]*\) = \.; LONG(\([^)]*\)).* +genksyms_format_normal := __crc_\(.*\) = \(.*\); +genksyms_format := $(if $(CONFIG_MODULE_REL_CRCS),$(genksyms_format_rel_crc),$(genksyms_format_normal)) + gen_symversions = \ if $(NM) $@ 2>/dev/null | grep -q __ksymtab; then \ $(call cmd_gensymtypes_$(1),$(KBUILD_SYMTYPES),$(@:.o=.symtypes)) \ > $@.symversions; \ + sed -n 's/$(genksyms_format)/$(pound)SYMVER \1 \2/p' $@.symversions \ + >> $(dot-target).cmd; \ else \ rm -f $@.symversions; \ fi