From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752550AbdGAIw6 (ORCPT ); Sat, 1 Jul 2017 04:52:58 -0400 Received: from terminus.zytor.com ([65.50.211.136]:58189 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751761AbdGAIw4 (ORCPT ); Sat, 1 Jul 2017 04:52:56 -0400 Date: Sat, 1 Jul 2017 01:50:48 -0700 From: tip-bot for Adrian Hunter Message-ID: Cc: tglx@linutronix.de, acme@redhat.com, mingo@kernel.org, ak@linux.intel.com, adrian.hunter@intel.com, linux-kernel@vger.kernel.org, hpa@zytor.com Reply-To: adrian.hunter@intel.com, linux-kernel@vger.kernel.org, hpa@zytor.com, tglx@linutronix.de, mingo@kernel.org, acme@redhat.com, ak@linux.intel.com In-Reply-To: <1495786658-18063-23-git-send-email-adrian.hunter@intel.com> References: <1495786658-18063-23-git-send-email-adrian.hunter@intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] tools include: Add byte-swapping macros to kernel.h Git-Commit-ID: 07fda552f14830e71f0b5e8e4e31124369903aa3 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 07fda552f14830e71f0b5e8e4e31124369903aa3 Gitweb: http://git.kernel.org/tip/07fda552f14830e71f0b5e8e4e31124369903aa3 Author: Adrian Hunter AuthorDate: Fri, 26 May 2017 11:17:23 +0300 Committer: Arnaldo Carvalho de Melo CommitDate: Tue, 27 Jun 2017 12:08:13 -0300 tools include: Add byte-swapping macros to kernel.h Add byte-swapping macros to kernel.h Signed-off-by: Adrian Hunter Cc: Andi Kleen Link: http://lkml.kernel.org/r/1495786658-18063-23-git-send-email-adrian.hunter@intel.com Signed-off-by: Arnaldo Carvalho de Melo --- tools/include/linux/kernel.h | 35 +++++++++++++++++++++++++++++------ 1 file changed, 29 insertions(+), 6 deletions(-) diff --git a/tools/include/linux/kernel.h b/tools/include/linux/kernel.h index 73ccc48..039bb85 100644 --- a/tools/include/linux/kernel.h +++ b/tools/include/linux/kernel.h @@ -5,6 +5,8 @@ #include #include #include +#include +#include #ifndef UINT_MAX #define UINT_MAX (~0U) @@ -67,12 +69,33 @@ #endif #endif -/* - * Both need more care to handle endianness - * (Don't use bitmap_copy_le() for now) - */ -#define cpu_to_le64(x) (x) -#define cpu_to_le32(x) (x) +#if __BYTE_ORDER == __BIG_ENDIAN +#define cpu_to_le16 bswap_16 +#define cpu_to_le32 bswap_32 +#define cpu_to_le64 bswap_64 +#define le16_to_cpu bswap_16 +#define le32_to_cpu bswap_32 +#define le64_to_cpu bswap_64 +#define cpu_to_be16 +#define cpu_to_be32 +#define cpu_to_be64 +#define be16_to_cpu +#define be32_to_cpu +#define be64_to_cpu +#else +#define cpu_to_le16 +#define cpu_to_le32 +#define cpu_to_le64 +#define le16_to_cpu +#define le32_to_cpu +#define le64_to_cpu +#define cpu_to_be16 bswap_16 +#define cpu_to_be32 bswap_32 +#define cpu_to_be64 bswap_64 +#define be16_to_cpu bswap_16 +#define be32_to_cpu bswap_32 +#define be64_to_cpu bswap_64 +#endif int vscnprintf(char *buf, size_t size, const char *fmt, va_list args); int scnprintf(char * buf, size_t size, const char * fmt, ...);