From: matthew.leach@arm.com (Matthew Leach)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 04/14] arm64: ELF: add support for big-endian executables
Date: Fri, 11 Oct 2013 14:52:10 +0100 [thread overview]
Message-ID: <1381499540-28794-5-git-send-email-matthew.leach@arm.com> (raw)
In-Reply-To: <1381499540-28794-1-git-send-email-matthew.leach@arm.com>
From: Will Deacon <will.deacon@arm.com>
This patch adds support for the aarch64_be ELF format to the AArch64 ELF
loader.
Signed-off-by: Will Deacon <will.deacon@arm.com>
---
arch/arm64/include/asm/elf.h | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm64/include/asm/elf.h b/arch/arm64/include/asm/elf.h
index e7fa87f..a3e4a55 100644
--- a/arch/arm64/include/asm/elf.h
+++ b/arch/arm64/include/asm/elf.h
@@ -90,11 +90,24 @@ typedef struct user_fpsimd_state elf_fpregset_t;
* These are used to set parameters in the core dumps.
*/
#define ELF_CLASS ELFCLASS64
+#ifdef __AARCH64EB__
+#define ELF_DATA ELFDATA2MSB
+#else
#define ELF_DATA ELFDATA2LSB
+#endif
#define ELF_ARCH EM_AARCH64
+/*
+ * This yields a string that ld.so will use to load implementation
+ * specific libraries for optimization. This is more specific in
+ * intent than poking at uname or /proc/cpuinfo.
+ */
#define ELF_PLATFORM_SIZE 16
+#ifdef __AARCH64EB__
+#define ELF_PLATFORM ("aarch64_be")
+#else
#define ELF_PLATFORM ("aarch64")
+#endif
/*
* This is used to ensure we don't load something for the wrong architecture.
--
1.7.9.5
next prev parent reply other threads:[~2013-10-11 13:52 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-11 13:52 [PATCH 00/14] AArch64 BE Support Matthew Leach
2013-10-11 13:52 ` [PATCH 01/14] Docs: arm64: booting: clarify boot requirements Matthew Leach
2013-10-11 13:52 ` [PATCH 02/14] arm64: big-endian: add big-endian support to top-level arch Makefile Matthew Leach
2013-10-11 13:52 ` [PATCH 03/14] arm64: big-endian: fix byteorder include Matthew Leach
2013-10-11 13:52 ` Matthew Leach [this message]
2013-10-11 13:52 ` [PATCH 05/14] arm64: setup: report ELF_PLATFORM as the machine for utsname Matthew Leach
2013-10-11 13:52 ` [PATCH 06/14] arm64: compat: add support for big-endian (BE8) AArch32 binaries Matthew Leach
2013-10-11 14:36 ` Mark Rutland
2013-10-11 13:52 ` [PATCH 07/14] arm64: compat: correct register concatenation for syscall wrappers Matthew Leach
2013-10-11 13:52 ` [PATCH 08/14] arm64: big-endian: don't treat code as data when copying sigret code Matthew Leach
2013-10-11 13:52 ` [PATCH 09/14] arm64: asm: add CPU_LE & CPU_BE assembler helpers Matthew Leach
2013-10-11 13:52 ` [PATCH 10/14] arm64: head: create a new function for setting the boot_cpu_mode flag Matthew Leach
2013-10-11 13:52 ` [PATCH 11/14] arm64: big-endian: set correct endianess on kernel entry Matthew Leach
2013-10-15 18:46 ` Christopher Covington
2013-10-24 15:46 ` Catalin Marinas
2013-10-11 13:52 ` [PATCH 12/14] arm64: big-endian: write CPU holding pen address as LE Matthew Leach
2013-10-11 13:52 ` [PATCH 13/14] arm64: kconfig: allow CPU_BIG_ENDIAN to be selected Matthew Leach
2013-10-11 13:52 ` [PATCH 14/14] net: smc91x: dont't use SMC_outw for fixing up halfword-aligned data Matthew Leach
2013-10-11 20:41 ` Nicolas Pitre
2013-10-11 21:56 ` David Miller
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