From patchwork Mon Apr 13 19:44:33 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Philipp Tomsich X-Patchwork-Id: 6211381 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id E983E9F2EC for ; Mon, 13 Apr 2015 20:16:27 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 1C1B2202E6 for ; Mon, 13 Apr 2015 20:16:27 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2E484202D1 for ; Mon, 13 Apr 2015 20:16:26 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Yhkjj-0006WJ-KS; Mon, 13 Apr 2015 20:13:39 +0000 Received: from vegas.theobroma-systems.com ([144.76.126.164] helo=mail.theobroma-systems.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Yhkjc-0006N2-MU for linux-arm-kernel@lists.infradead.org; Mon, 13 Apr 2015 20:13:33 +0000 Received: from [86.59.122.178] (port=55147 helo=android.com) by mail.theobroma-systems.com with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1YhkIP-0001rr-SD; Mon, 13 Apr 2015 21:45:25 +0200 From: Philipp Tomsich To: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 23/24] arm64:ilp32: change COMPAT_ELF_PLATFORM to report a a subplatform for ILP32 Date: Mon, 13 Apr 2015 21:44:33 +0200 Message-Id: <89ec9644d382b13ebced50b28de1bee45cb58313.1428953303.git.philipp.tomsich@theobroma-systems.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20150413_131332_916685_F696350B X-CRM114-Status: UNSURE ( 7.60 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -0.0 (/) Cc: Andreas Kraschitzer , Benedikt Huber , Catalin Marinas , Andrew Pinski , Kumar Sankaran , Philipp Tomsich , Christoph Muellner X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.18-1 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP To make life for tools (such as gdb) easier when dealing with ILP32 processes, we report a proper subarchitecture for ILP32 in the ELF auxiliary vectors. Signed-off-by: Philipp Tomsich Signed-off-by: Christoph Muellner --- arch/arm64/include/asm/elf.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h index ff005d9..c35922c 100644 --- a/arch/arm64/include/asm/elf.h +++ b/arch/arm64/include/asm/elf.h @@ -168,9 +168,9 @@ extern unsigned long arch_randomize_brk(struct mm_struct *mm); #ifdef CONFIG_COMPAT #ifdef __AARCH64EB__ -#define COMPAT_ELF_PLATFORM ("v8b") +#define COMPAT_ELF_PLATFORM (is_ilp32_compat_task() ? "aarch64_be:ilp32" : "v8b") #else -#define COMPAT_ELF_PLATFORM ("v8l") +#define COMPAT_ELF_PLATFORM (is_ilp32_compat_task() ? "aarch64:ilp32" : "v8l") #endif #define COMPAT_ELF_ET_DYN_BASE (2 * TASK_SIZE_32 / 3)