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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 40259C43334 for ; Wed, 13 Jul 2022 19:41:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236735AbiGMTln (ORCPT ); Wed, 13 Jul 2022 15:41:43 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54748 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229604AbiGMTll (ORCPT ); Wed, 13 Jul 2022 15:41:41 -0400 Received: from mail-ed1-x529.google.com (mail-ed1-x529.google.com [IPv6:2a00:1450:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F005193C3 for ; Wed, 13 Jul 2022 12:41:40 -0700 (PDT) Received: by mail-ed1-x529.google.com with SMTP id x91so15453463ede.1 for ; Wed, 13 Jul 2022 12:41:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=JlnibxcVeuTrhNTEEnDRxSqv9Basa+SCy0cDueYCtlc=; b=jBAPtS4Ht/YA1HgAGo6nJNH/Chk8wnobIGUV0wDT+rB+LpKCbeju35dcl6+RhymLiV GFi7Zn+xCibhgRWe6lKi+ZLx21m3/yO3hBHrFmpQ/eO4Cv9pwmML8RyqfMaGLZgOWckx yeswEmcWlkDjU4cTrCYv6KkfuEBLS+Q+zyu2Zo9QYMSiZzdaDZIE0fXi4ly7g6l5ewdd KRIH9eFv7yfvm06lxENNAW2jjMPdpEuR5t3zrF2AdWl4wN9k00x+c7FaauDrfOn1f7++ GzhIwJ/NPXOqTFuwhcuaKCX8Lcgb5FmsvMuaLxtin630rcd2NFEQcrY1nMH1yuzmwTx+ AkFQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=JlnibxcVeuTrhNTEEnDRxSqv9Basa+SCy0cDueYCtlc=; b=1eP8DLqTrvOAfuifkkn5yznlPfkIqNgLG5Omn2ckngjy/B0FZC3R5j48s+Nxyf4afV JckeiibTqR6xkKdvQyDTVojndHaG7sclhAtG61XZ5b1taFM/JF5yOp81cTxrKfigQTU2 foWRSnsChVKcCnFhMFlAdoSiMxvasF9cuq4fRkMVHYJ6vG+leFLNPrPR3jML/eEnboGL kcaEMLvTtKEPzOIXu7CZZIekNVzd84jMQ/60nS8VgFroqDcPNYF4rvC9ys6e36SPk03y bqnOFXEZgJ4n1pWxXD4/YnU8V43bWiVsWFfjAyzJ2weWr96iQSq6zghfK8XTGSWcZp/u j84Q== X-Gm-Message-State: AJIora89t3RovfpwNI/s18GRY153JU0T3mEDO9vJNuTq1eizR2VIKeA9 yahDHBA4s+4uTQ7Aw+VMq6Y= X-Google-Smtp-Source: AGRyM1uSW0QI8pe9PbQC9T7YLuAeVqej2y5W9kIfl+NR68Fq3mFmeO9Fbwt/6+LesiTSKdhmzI1ZWg== X-Received: by 2002:a05:6402:2802:b0:43a:9098:55a0 with SMTP id h2-20020a056402280200b0043a909855a0mr6995944ede.179.1657741298988; Wed, 13 Jul 2022 12:41:38 -0700 (PDT) Received: from bhl6zntu.conti.de ([2a02:908:2525:6ea0:46bb:cacc:f548:7466]) by smtp.gmail.com with ESMTPSA id i20-20020a170906a29400b0072a881b21d8sm5294390ejz.119.2022.07.13.12.41.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Jul 2022 12:41:38 -0700 (PDT) From: Wadim Mueller Cc: Wadim Mueller , Paul Walmsley , Palmer Dabbelt , Albert Ou , linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Subject: [PATCH] checkstack: add riscv support for scripts/checkstack.pl Date: Wed, 13 Jul 2022 21:41:10 +0200 Message-Id: <20220713194112.15557-1-wafgo01@gmail.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org scripts/checkstack.pl lacks support for the riscv architecture. Add support to detect "addi sp,sp,-FRAME_SIZE" stack frame generation instruction Signed-off-by: Wadim Mueller --- scripts/checkstack.pl | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl index d2c38584ece6..d48dfed6d3db 100755 --- a/scripts/checkstack.pl +++ b/scripts/checkstack.pl @@ -16,6 +16,7 @@ # AArch64, PARISC ports by Kyle McMartin # sparc port by Martin Habets # ppc64le port by Breno Leitao +# riscv port by Wadim Mueller # # Usage: # objdump -d vmlinux | scripts/checkstack.pl [arch] @@ -108,6 +109,9 @@ my (@stack, $re, $dre, $sub, $x, $xs, $funcre, $min_stack); } elsif ($arch eq 'sparc' || $arch eq 'sparc64') { # f0019d10: 9d e3 bf 90 save %sp, -112, %sp $re = qr/.*save.*%sp, -(([0-9]{2}|[3-9])[0-9]{2}), %sp/o; + } elsif ($arch =~ /^riscv(64)?$/) { + #ffffffff8036e868: c2010113 addi sp,sp,-992 + $re = qr/.*addi.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o; } else { print("wrong or unknown architecture \"$arch\"\n"); exit -- 2.25.1