From mboxrd@z Thu Jan 1 00:00:00 1970 From: ynorov@caviumnetworks.com (Yury Norov) Date: Wed, 30 Sep 2015 01:14:18 +0300 Subject: [PATCH v5 21/23] arm64:ilp32: change COMPAT_ELF_PLATFORM to report a a subplatform for ILP32 In-Reply-To: <1443564860-31208-1-git-send-email-ynorov@caviumnetworks.com> References: <1443564860-31208-1-git-send-email-ynorov@caviumnetworks.com> Message-ID: <1443564860-31208-22-git-send-email-ynorov@caviumnetworks.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Philipp Tomsich 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 Signed-off-by: Yury Norov diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h index 9a854f9..8ef8fc5 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