From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id 29630A052A; Wed, 27 Jan 2021 18:33:55 +0100 (CET) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 88A5B140FD5; Wed, 27 Jan 2021 18:33:49 +0100 (CET) Received: from mga17.intel.com (mga17.intel.com [192.55.52.151]) by mails.dpdk.org (Postfix) with ESMTP id DCD90140FB4 for ; Wed, 27 Jan 2021 18:33:47 +0100 (CET) IronPort-SDR: C0BMjt+RhDYjV0sz06flL9dnjmFu/l8jAbHfFKhW/gJZuIgEQoybet0UMdYXLeXrudHdclA7yz 8139rwNFmJew== X-IronPort-AV: E=McAfee;i="6000,8403,9877"; a="159880296" X-IronPort-AV: E=Sophos;i="5.79,380,1602572400"; d="scan'208";a="159880296" Received: from fmsmga008.fm.intel.com ([10.253.24.58]) by fmsmga107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Jan 2021 09:33:46 -0800 IronPort-SDR: tl97xU+WlINXP8MfudBzznnpfQAAAI0fEcfmZOsgnbNQCGxmp9A2q3KDDgzG/kf6fK+3FUU0wG Xjop3RcOny2Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.79,380,1602572400"; d="scan'208";a="362506948" Received: from silpixa00399126.ir.intel.com ([10.237.222.4]) by fmsmga008.fm.intel.com with ESMTP; 27 Jan 2021 09:33:45 -0800 From: Bruce Richardson To: dev@dpdk.org Cc: david.marchand@redhat.com, Bruce Richardson , haiyue.wang@intel.com, Ray Kinsella , Neil Horman Date: Wed, 27 Jan 2021 17:33:24 +0000 Message-Id: <20210127173330.1671341-3-bruce.richardson@intel.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210127173330.1671341-1-bruce.richardson@intel.com> References: <20210114110606.21142-1-bruce.richardson@intel.com> <20210127173330.1671341-1-bruce.richardson@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: [dpdk-dev] [PATCH v6 2/8] eal: fix error attribute use for clang X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" Clang does not have an "error" attribute for functions, so for marking internal functions we need to check for the error attribute, and provide a fallback if it is not present. For clang, we can use "diagnose_if" attribute, similarly checking for its presence before use. Fixes: fba5af82adc8 ("eal: add internal ABI tag definition") Cc: haiyue.wang@intel.com Signed-off-by: Bruce Richardson --- lib/librte_eal/include/rte_compat.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/lib/librte_eal/include/rte_compat.h b/lib/librte_eal/include/rte_compat.h index 4cd8f68d68..c30f072aa3 100644 --- a/lib/librte_eal/include/rte_compat.h +++ b/lib/librte_eal/include/rte_compat.h @@ -19,12 +19,18 @@ __attribute__((section(".text.experimental"))) #endif -#ifndef ALLOW_INTERNAL_API +#if !defined ALLOW_INTERNAL_API && __has_attribute(error) /* For GCC */ #define __rte_internal \ __attribute__((error("Symbol is not public ABI"), \ section(".text.internal"))) +#elif !defined ALLOW_INTERNAL_API && __has_attribute(diagnose_if) /* For clang */ + +#define __rte_internal \ +__attribute__((diagnose_if(1, "Symbol is not public ABI", "error"), \ +section(".text.internal"))) + #else #define __rte_internal \ -- 2.27.0