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Violators will be prosecuted; Fri, 15 Sep 2017 17:34:57 +1000 Received: from d23av03.au.ibm.com (d23av03.au.ibm.com [9.190.234.97]) by d23relay08.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id v8F7YuEm39846004 for ; Fri, 15 Sep 2017 17:34:56 +1000 Received: from d23av03.au.ibm.com (localhost [127.0.0.1]) by d23av03.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id v8F7Ym5m027060 for ; Fri, 15 Sep 2017 17:34:48 +1000 Received: from aksadiga.ibm ([9.79.223.131]) by d23av03.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id v8F7YZ5F026751; Fri, 15 Sep 2017 17:34:45 +1000 From: Akshay Adiga To: skiboot@lists.ozlabs.org Date: Fri, 15 Sep 2017 13:04:30 +0530 X-Mailer: git-send-email 2.5.5 In-Reply-To: <1505460876-7303-1-git-send-email-akshay.adiga@linux.vnet.ibm.com> References: <1505460876-7303-1-git-send-email-akshay.adiga@linux.vnet.ibm.com> X-TM-AS-MML: disable x-cbid: 17091507-0044-0000-0000-0000028717A1 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 17091507-0045-0000-0000-0000071C8B76 Message-Id: <1505460876-7303-3-git-send-email-akshay.adiga@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-09-15_02:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1707230000 definitions=main-1709150113 Subject: [Skiboot] [PATCH v4 2/8] Add glibc style endianess check in CCAN X-BeenThere: skiboot@lists.ozlabs.org X-Mailman-Version: 2.1.24 Precedence: list List-Id: Mailing list for skiboot development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: ego@linux.vnet.ibm.com, shriyak@linux.vnet.ibm.com MIME-Version: 1.0 Errors-To: skiboot-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Skiboot" CCAN adds support for glibc style in the following commit : https://github.com/rustyrussell/ccan/commit/759ac0f0564104d5028acd47c3e9fdb858c96d1d Signed-off-by: Akshay Adiga Reviewed-by: Vaidyanathan Srinivasan --- ccan/endian/endian.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/ccan/endian/endian.h b/ccan/endian/endian.h index 0c99cc8..6732e8a 100644 --- a/ccan/endian/endian.h +++ b/ccan/endian/endian.h @@ -103,13 +103,22 @@ static inline uint64_t bswap_64(uint64_t val) } #endif +/* Needed for Glibc like endiness check */ +#define __LITTLE_ENDIAN 1234 +#define __BIG_ENDIAN 4321 + /* Sanity check the defines. We don't handle weird endianness. */ #if !HAVE_LITTLE_ENDIAN && !HAVE_BIG_ENDIAN #error "Unknown endian" #elif HAVE_LITTLE_ENDIAN && HAVE_BIG_ENDIAN #error "Can't compile for both big and little endian." +#elif HAVE_LITTLE_ENDIAN +#define __BYTE_ORDER __LITTLE_ENDIAN +#elif HAVE_BIG_ENDIAN +#define __BYTE_ORDER __BIG_ENDIAN #endif + #ifdef __CHECKER__ /* sparse needs forcing to remove bitwise attribute from ccan/short_types */ #define ENDIAN_CAST __attribute__((force))