From: Yury Norov <ynorov@caviumnetworks.com>
To: <catalin.marinas@arm.com>, <arnd@arndb.de>,
        <linux-arm-kernel@lists.infradead.org>, <linux-kernel@vger.kernel.org>
CC: <pinskia@gmail.com>, <ddaney.cavm@gmail.com>, <jan.dakinevich@gmail.com>,
        <Prasun.Kapoor@caviumnetworks.com>,
        <christoph.muellner@theobroma-systems.com>,
        <philipp.tomsich@theobroma-systems.com>, <broonie@kernel.org>,
        <andrey.konovalov@linaro.org>, <Nathan_Lynch@mentor.com>,
        <agraf@suse.de>, <bamvor.zhangjian@huawei.com>,
        <klimov.linux@gmail.com>, Yury Norov <ynorov@caviumnetworks.com>,
        Andrew Pinski <Andrew.Pinski@caviumnetworks.com>
Subject: [PATCH v6 16/17] arm64:ilp32: change COMPAT_ELF_PLATFORM to report a a subplatform for ILP32
Date: Tue, 3 Nov 2015 02:30:45 +0300
Message-ID: <1446507046-24604-17-git-send-email-ynorov@caviumnetworks.com>
In-Reply-To: <1446507046-24604-1-git-send-email-ynorov@caviumnetworks.com>
References: <1446507046-24604-1-git-send-email-ynorov@caviumnetworks.com>
MIME-Version: 1.0
Content-Type: text/plain
SpamDiagnosticOutput: 1:23
SpamDiagnosticMetadata: NSPM
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 02 Nov 2015 23:34:34.2799 (UTC)
X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted
X-MS-Exchange-Transport-CrossTenantHeadersStamped: BY2PR07MB614
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org
Content-Length: 1502
Lines: 38

From: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>

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 <philipp.tomsich@theobroma-systems.com>
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: Yury Norov <ynorov@caviumnetworks.com>
Signed-off-by: Andrew Pinski <Andrew.Pinski@caviumnetworks.com>
Reviewed-by: David Daney <david.daney@cavium.com>
---
 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 8f13dac..3e79569 100644
--- a/arch/arm64/include/asm/elf.h
+++ b/arch/arm64/include/asm/elf.h
@@ -163,9 +163,9 @@ extern int arch_setup_additional_pages(struct linux_binprm *bprm,
 #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)
-- 
2.1.4

--
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/