From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756528AbbI2WQP (ORCPT ); Tue, 29 Sep 2015 18:16:15 -0400 Received: from mail-bl2on0089.outbound.protection.outlook.com ([65.55.169.89]:36479 "EHLO na01-bl2-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1755589AbbI2WP4 (ORCPT ); Tue, 29 Sep 2015 18:15:56 -0400 Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Yuri.Norov@caviumnetworks.com; From: Yury Norov To: , , , , , CC: , , , , , Yury Norov Subject: [PATCH v5 05/23] arm64:ilp32: expose 'kernel_long' as 'long long' for ILP32 Date: Wed, 30 Sep 2015 01:14:02 +0300 Message-ID: <1443564860-31208-6-git-send-email-ynorov@caviumnetworks.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1443564860-31208-1-git-send-email-ynorov@caviumnetworks.com> References: <1443564860-31208-1-git-send-email-ynorov@caviumnetworks.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [91.78.158.8] X-ClientProxiedBy: HE1PR03CA0005.eurprd03.prod.outlook.com (25.163.170.143) To DM2PR07MB622.namprd07.prod.outlook.com (10.141.177.146) X-Microsoft-Exchange-Diagnostics: 1;DM2PR07MB622;2:oc1UHq6UDRnJ4aXUlzlo6IRw475JogJu2vw53j6zKOt+R+62GZ6hEmRXa+hSUd0XnJN4DMZ6RpWWk6wjVwHP8rZRdPkIp+RJalVosKAKdnV8DIk+6n3qWLXJm2dh1ZLD4bsGBg9zMJ6nZrGSyP8pH7Wglv5neBWubUQRHKfMHlo=;3:tk+lLe7586+2BeJ44P0ylAYeERR7P57KNXtf3bPkBjPFDxpH3DvU89jrX9WpbYhkNle7Kbzwx02fgu09lRIh3tpRLZ2Ti9pCsBHiQTqiIAWj8tuW2mN6gURbG4KTCH71ueMyHNSZxpfxiqlR79j//g==;25:DRZ6ye0/wl/aKsNYDx9ga0kwL+H37U1UYV41Ta+dOQHaXhADBZqzF83RjiRtnEh20780p3Sy1c8L3cmWnQQB+91PJ9+Fw4Ai2b+/tm8SNhZ3FgSKrUp3nT68wvg3eLX5lmylKW4JF9SMkqgAchClqu6lz6MW2Xxy7ulnLDj30z8FoIO/5lnAYMzlFexBWxc4oUHDwNWAQygosrz36knX/AEbOr9c3xjMprSP5Y212004mpnun9nY836ejrmQ6cvzP3uvAZoDgQR7t2SdSARSvg== X-Microsoft-Antispam: UriScan:;BCL:0;PCL:0;RULEID:;SRVR:DM2PR07MB622; 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To reuse the bulk of LP64 system calls (and data structures), the LP64 kernel data types ('kernel_long', 'kernel_ulong') are exposed as their ILP32 'long long' and 'unsigned long long' equivalents to allow glibc to correctly interpret most data-structures used in the kernel ABI (i.el with the exception of those, that include pointers). Signed-off-by: Philipp Tomsich Signed-off-by: Christoph Muellner Signed-off-by: Yury Norov diff --git a/arch/arm64/include/uapi/asm/posix_types.h b/arch/arm64/include/uapi/asm/posix_types.h index 7985ff6..d6a7cb5 100644 --- a/arch/arm64/include/uapi/asm/posix_types.h +++ b/arch/arm64/include/uapi/asm/posix_types.h @@ -5,6 +5,16 @@ typedef unsigned short __kernel_old_uid_t; typedef unsigned short __kernel_old_gid_t; #define __kernel_old_uid_t __kernel_old_uid_t +#if defined(__ILP32__) +/* The ILP32 kernel ABI reuses LP64 system calls where possible; to + this end, the equivalent ILP32 type definitions are used (a 64bit + 'long'-type in LP64 corresponds to a 'long long' in LP64). */ + +typedef long long __kernel_long_t; +typedef unsigned long long __kernel_ulong_t; +#define __kernel_long_t __kernel_long_t +#endif /* defined(__ILP32__) */ + #include -#endif /* __ASM_POSIX_TYPES_H */ +#endif /* __ASM_POSIX_TYPES_H */ -- 2.1.4