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=-9.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,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 99970CA9EC8 for ; Fri, 18 Oct 2019 00:50:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6D04A21D7C for ; Fri, 18 Oct 2019 00:50:12 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=sifive.com header.i=@sifive.com header.b="ZvTWtpJ+" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2408991AbfJRAuC (ORCPT ); Thu, 17 Oct 2019 20:50:02 -0400 Received: from mail-il1-f196.google.com ([209.85.166.196]:46721 "EHLO mail-il1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2407341AbfJRAtz (ORCPT ); Thu, 17 Oct 2019 20:49:55 -0400 Received: by mail-il1-f196.google.com with SMTP id c4so3905146ilq.13 for ; Thu, 17 Oct 2019 17:49:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=4tqK11FCKTtpeNb/kdkdcZSh26BkLSHk7+0eLJudgpA=; b=ZvTWtpJ+nGkxprJPx8rmfN7XS5Qq2GtsH0AcO7eQ4AA+DVUuYgTUYKgLOfBC58zTdg MkX46qmHUxwbyjT5I+b4s5zYTfoA8wAdQi8yudp0VZQBtBDzIYvChI0fsvsHNsvl1Vjy K106IKyMVkt4xyN7MeQb5BXp3SKlNKfNnfGgi1WHub9iOlUnq9inCvPNvdvLrXp0+QdX SLc+d4YyumaMZ8yio9VNa4Eoe208BDnbf6RCi7UvBFdFUg300TbvbefHgxVTXLH75uSW i9I65+Y2vS28kr5uacQqvIrsyjCv8nmfdKdSY4aJOBRzFTGTGR/2K3BInGi+5HNHl5Ps /qww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=4tqK11FCKTtpeNb/kdkdcZSh26BkLSHk7+0eLJudgpA=; b=daQkuwSxyJupoFdf7znVZx7NTRbAljjA0eBhaWiTwW0lHQpvQrOAv+bHAygxmdz0rz hGykwFxqMIpPIS92PUGFFbxTftkKbxWngvgMsaWQSNg5jA53inZx/C3SPDBXAlPSBiY4 vU/Y4IJagNGsRv3tNswoa4T6wai/BPX/m3gHcRKZiotcg5QXd9N6BygNIPbsD9KUUb8M tYzXrU/jpERQM1ieuROpyBDCyNUWoFrf5wwqtizHMaS2hP5XuwK6CFAfWIGpPBcMBvT/ hEhPpIms1Z9GOqvwSiHUdYBKUNWH+UCv+FB32zHI66mIBlCSFh0wgV4ofdHRDThYtRD1 Rpdg== X-Gm-Message-State: APjAAAXMRfBg+fFYo4lCMO8sAKBlD/qjHfOz9mtpSU5u+D1M+zK5GAKa sEg+FdTEBD8VEYylleKflQBH+A== X-Google-Smtp-Source: APXvYqx61FSX1Z9aRADptVioZHqTaHtzqSS3y6mMidOa+MlccNOkjPJf8zqFwN5wT354dI1p5zD0wA== X-Received: by 2002:a92:c6ca:: with SMTP id v10mr7634877ilm.133.1571359794270; Thu, 17 Oct 2019 17:49:54 -0700 (PDT) Received: from viisi.Home ([64.62.168.194]) by smtp.gmail.com with ESMTPSA id z20sm1493891iof.38.2019.10.17.17.49.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 17 Oct 2019 17:49:53 -0700 (PDT) From: Paul Walmsley To: linux-riscv@lists.infradead.org Cc: linux-kernel@vger.kernel.org Subject: [PATCH 4/8] riscv: ensure RISC-V C model definitions are passed to static analyzers Date: Thu, 17 Oct 2019 17:49:25 -0700 Message-Id: <20191018004929.3445-5-paul.walmsley@sifive.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191018004929.3445-1-paul.walmsley@sifive.com> References: <20191018004929.3445-1-paul.walmsley@sifive.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Static analysis tools such as sparse don't set the RISC-V C model preprocessor directives such as "__riscv_cmodel_medany", set by the C compilers. This causes the static analyzers to evaluate different preprocessor paths than C compilers would. Fix this by defining the appropriate C model macros in the static analyzer command lines. Signed-off-by: Paul Walmsley --- arch/riscv/Makefile | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile index f5e914210245..0247a90bd4d8 100644 --- a/arch/riscv/Makefile +++ b/arch/riscv/Makefile @@ -47,9 +47,11 @@ KBUILD_CFLAGS += -DCONFIG_PAGE_OFFSET=$(CONFIG_PAGE_OFFSET) ifeq ($(CONFIG_CMODEL_MEDLOW),y) KBUILD_CFLAGS += -mcmodel=medlow + CHECKFLAGS += -D__riscv_cmodel_medlow endif ifeq ($(CONFIG_CMODEL_MEDANY),y) KBUILD_CFLAGS += -mcmodel=medany + CHECKFLAGS += -D__riscv_cmodel_medany endif ifeq ($(CONFIG_MODULE_SECTIONS),y) KBUILD_LDS_MODULE += $(srctree)/arch/riscv/kernel/module.lds -- 2.23.0