From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-24.7 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 99801C2B9FB for ; Wed, 12 May 2021 19:57:41 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7F8C0613F7 for ; Wed, 12 May 2021 19:57:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1383897AbhELTz7 (ORCPT ); Wed, 12 May 2021 15:55:59 -0400 Received: from mail.kernel.org ([198.145.29.99]:55270 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241704AbhELSIs (ORCPT ); Wed, 12 May 2021 14:08:48 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 397B0617C9; Wed, 12 May 2021 18:05:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1620842708; bh=F081hX51q3B59BsP4AgcpqNgyGuQHHp7Xn2UbzpjCuE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ipYDArbLrS8vaKWgMxYlHlqTF8CJcbxK6+mmDv05TIirjh+e7GSAKVFtYAh4vBI8x PUD0C2vcnuqSrdyhmlt/PKmH7fB3PSvCS1dlxNA6yfwTtvYcf/pZEVi+PfqkX1/dqg qiouffryyANhJMcFFq0Qj6W5AfVw2y6vj7juXXktJcs+zww4mFrNmP9JE/IGNK0EhF Rb2axLYXFi1z4V7CjcFz9uz2fcqg9+yIBtg4JYOlbEkAVVKLp5FkJkSXFqOtGR0QqK 7Fx6+qqJ6szMyjQtHjWAJEyF7k9kvVuf4doclnDFN26j6i++k6EwLAN9y6d9gK2UFA EtcvJwOz932VQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Nathan Chancellor , Fangrui Song , Palmer Dabbelt , Sasha Levin , linux-riscv@lists.infradead.org, clang-built-linux@googlegroups.com Subject: [PATCH AUTOSEL 4.19 10/18] scripts/recordmcount.pl: Fix RISC-V regex for clang Date: Wed, 12 May 2021 14:04:41 -0400 Message-Id: <20210512180450.665586-10-sashal@kernel.org> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210512180450.665586-1-sashal@kernel.org> References: <20210512180450.665586-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Nathan Chancellor [ Upstream commit 2f095504f4b9cf75856d6a9cf90299cf75aa46c5 ] Clang can generate R_RISCV_CALL_PLT relocations to _mcount: $ llvm-objdump -dr build/riscv/init/main.o | rg mcount 000000000000000e: R_RISCV_CALL_PLT _mcount 000000000000004e: R_RISCV_CALL_PLT _mcount After this, the __start_mcount_loc section is properly generated and function tracing still works. Link: https://github.com/ClangBuiltLinux/linux/issues/1331 Signed-off-by: Nathan Chancellor Reviewed-by: Fangrui Song Signed-off-by: Palmer Dabbelt Signed-off-by: Sasha Levin --- scripts/recordmcount.pl | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl index 9a8fe8ea6b03..bc12e12e4b3a 100755 --- a/scripts/recordmcount.pl +++ b/scripts/recordmcount.pl @@ -395,7 +395,7 @@ if ($arch eq "x86_64") { $mcount_regex = "^\\s*([0-9a-fA-F]+):.*\\s_mcount\$"; } elsif ($arch eq "riscv") { $function_regex = "^([0-9a-fA-F]+)\\s+<([^.0-9][0-9a-zA-Z_\\.]+)>:"; - $mcount_regex = "^\\s*([0-9a-fA-F]+):\\sR_RISCV_CALL\\s_mcount\$"; + $mcount_regex = "^\\s*([0-9a-fA-F]+):\\sR_RISCV_CALL(_PLT)?\\s_mcount\$"; $type = ".quad"; $alignment = 2; } elsif ($arch eq "nds32") { -- 2.30.2