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=-9.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 96D49C43387 for ; Wed, 26 Dec 2018 22:59:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5DE5A2070B for ; Wed, 26 Dec 2018 22:59:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545865150; bh=ZJMlxEFFUpKbsVcxGtI4Lz/fTlLNFe4R2jyxfI0G4Z8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=s7YirWe9P8JmBP3jklGX3IYektQUKoQZiiVUOHqKgmXl6+UrxAg0IpKSAoaXkcAJH d+yyl1Ss/WwowiCxG1OdbTEchDmfoC8GCSikS5lIRISp3e4GeVDAXcN6j7AzbEzSLG W/JBU+buKT7AyIMl4OXayGK4zTyoE4Ntqlne4Z2c= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730374AbeLZW5H (ORCPT ); Wed, 26 Dec 2018 17:57:07 -0500 Received: from mail.kernel.org ([198.145.29.99]:57942 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728997AbeLZW5E (ORCPT ); Wed, 26 Dec 2018 17:57:04 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9A045218A5; Wed, 26 Dec 2018 22:57:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1545865023; bh=ZJMlxEFFUpKbsVcxGtI4Lz/fTlLNFe4R2jyxfI0G4Z8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZyxLQYfsnJDigCoIDARhn0IEOJB8Ply+Q7W3FnEtGfjISWwiI68IcQz994RNEPjjb IJh1Ki+Ra+fYP3/PSrRKDs3WGIecuIfjPRIQy01kSs+ti388Vu4EMFburHmWIXHVNJ 144/N6HXJrhrPsIsYgxFqXb6bFDIHMj8wgwhtYho= From: Sasha Levin To: stable@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Qian Cai , Andrew Morton , Linus Torvalds , Sasha Levin Subject: [PATCH AUTOSEL 4.4 04/21] checkstack.pl: fix for aarch64 Date: Wed, 26 Dec 2018 17:54:42 -0500 Message-Id: <20181226225501.151365-4-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20181226225501.151365-1-sashal@kernel.org> References: <20181226225501.151365-1-sashal@kernel.org> MIME-Version: 1.0 X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Qian Cai [ Upstream commit f1733a1d3cd32a9492f4cf866be37bb46e10163d ] There is actually a space after "sp," like this, ffff2000080813c8: a9bb7bfd stp x29, x30, [sp, #-80]! Right now, checkstack.pl isn't able to print anything on aarch64, because it won't be able to match the stating objdump line of a function due to this missing space. Hence, it displays every stack as zero-size. After this patch, checkpatch.pl is able to match the start of a function's objdump, and is then able to calculate each function's stack correctly. Link: http://lkml.kernel.org/r/20181207195843.38528-1-cai@lca.pw Signed-off-by: Qian Cai Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds Signed-off-by: Sasha Levin --- scripts/checkstack.pl | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl index dd8397894d5c..12a6940741fe 100755 --- a/scripts/checkstack.pl +++ b/scripts/checkstack.pl @@ -46,8 +46,8 @@ my (@stack, $re, $dre, $x, $xs, $funcre); $xs = "[0-9a-f ]"; # hex character or space $funcre = qr/^$x* <(.*)>:$/; if ($arch eq 'aarch64') { - #ffffffc0006325cc: a9bb7bfd stp x29, x30, [sp,#-80]! - $re = qr/^.*stp.*sp,\#-([0-9]{1,8})\]\!/o; + #ffffffc0006325cc: a9bb7bfd stp x29, x30, [sp, #-80]! + $re = qr/^.*stp.*sp, \#-([0-9]{1,8})\]\!/o; } elsif ($arch eq 'arm') { #c0008ffc: e24dd064 sub sp, sp, #100 ; 0x64 $re = qr/.*sub.*sp, sp, #(([0-9]{2}|[3-9])[0-9]{2})/o; -- 2.19.1