From patchwork Wed Jul 13 19:41:10 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wadim Mueller X-Patchwork-Id: 12917047 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 5558BC433EF for ; Wed, 13 Jul 2022 19:41:57 +0000 (UTC) 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: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:In-Reply-To:References: List-Owner; bh=STL9Uu2/5MwIn5O2Wh1CzmEz0SH53L7fN3ZvUFM5Z+Y=; b=kgZNeEr9V010jZ f0rNEUoUuBf2tmTknZ+qogXEcDm9YcWAUB8VYirfluAwkCKN2US2jpjSnBJbMQAUaFpg2JKwVe5yc CVAXbP9FWB/yInXknSQyDiMoweQiCM+rAbaPzVV3uEjqNhz4/fExQpYqiAhqgiALNYRNfVbwFm/Hx 9psLun7n4vPRLcB8e9LJej8t27ir0v+DfHRI5LeDUNFUm6QgxksdeA4JbG+0n8mrwwhjjBeDKs7yM tWqP0JMARiHvYhsmGl5vVPe21djE79oEnJptHOo0JTNvir7S3DlEKR+TFxEElxgyW8QTa4YpUjkbd ehDObJK2p6EbKUQsg9/w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oBiEy-007SQh-Fw; Wed, 13 Jul 2022 19:41:44 +0000 Received: from mail-ed1-x535.google.com ([2a00:1450:4864:20::535]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oBiEv-007SOm-NO for linux-riscv@lists.infradead.org; Wed, 13 Jul 2022 19:41:42 +0000 Received: by mail-ed1-x535.google.com with SMTP id k30so15421006edk.8 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=6+fpnsbqexA+lqigrmtHvqy9ky436k3q4s7QIeX7sBY7vXvtZHawusIEMkkj07nrPD AFirsJvDWIQX6b5NUQfU5bmXYdQRTJ3SeKGdMzqYY97YwPAAhJhECmR1WArfbablVOqV qbK/Shyfb4ZcRROMtr51WXDPB/44tHQgFA/qBhD2YmIVRENCcZRrVl/4eHeK4tPR6CEV CmcMb8pEMbhu9vXYPNGYw23eZMKARZpTI/Pir7KGi6w85IsyhjKshdS4d7vhhWonYCQr /2/0cazGIyHm0k11oArsHNcudo/7Hbskb+/Txh61MbAPzgN0dtFm61EnTWf45pVBgAIp 5s5w== X-Gm-Message-State: AJIora8qOGKm0/ElM8ivGaeWNlt/XN7tmCo23wMDL6JSQnzcxcv4dkW7 qi9UPxxjJMNMsF8dv+hIKVo= 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 To: 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220713_124141_807438_5137C441 X-CRM114-Status: UNSURE ( 8.43 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.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