Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754806AbbDMUS1 (ORCPT ); Mon, 13 Apr 2015 16:18:27 -0400 Received: from vegas.theobroma-systems.com ([144.76.126.164]:50450 "EHLO mail.theobroma-systems.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754583AbbDMUSY (ORCPT ); Mon, 13 Apr 2015 16:18:24 -0400 From: Philipp Tomsich To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Andrew Pinski , Christoph Muellner , Benedikt Huber , Andreas Kraschitzer , Kumar Sankaran , Catalin Marinas , Philipp Tomsich Subject: [PATCH v4 06/24] arm64:uapi: set __BITS_PER_LONG correctly for ILP32 and LP64 Date: Mon, 13 Apr 2015 21:44:16 +0200 Message-Id: <397d8e22b263375720e757f00f3056db8e978d50.1428953303.git.philipp.tomsich@theobroma-systems.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1417 Lines: 40 From: Andrew Pinski Define __BITS_PER_LONG depending on the ABI used (i.e. check whether __ILP32__ or __LP64__ is defined). This is necessary for glibc to determine the appropriate type definitions for the system call interface. Signed-off-by: Philipp Tomsich Signed-off-by: Christoph Muellner --- arch/arm64/include/uapi/asm/bitsperlong.h | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/arch/arm64/include/uapi/asm/bitsperlong.h b/arch/arm64/include/uapi/asm/bitsperlong.h index fce9c29..4265243 100644 --- a/arch/arm64/include/uapi/asm/bitsperlong.h +++ b/arch/arm64/include/uapi/asm/bitsperlong.h @@ -16,7 +16,14 @@ #ifndef __ASM_BITSPERLONG_H #define __ASM_BITSPERLONG_H -#define __BITS_PER_LONG 64 +#if defined(__LP64__) +/* Assuming __LP64__ will be defined for native ELF64's and not for ILP32. */ +# define __BITS_PER_LONG 64 +#elif defined(__ILP32__) +# define __BITS_PER_LONG 32 +#else +# error "Neither LP64 nor ILP32: unsupported ABI in asm/bitsperlong.h" +#endif #include -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/