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Commit 5436b5c8 authored by Will Deacon's avatar Will Deacon Committed by Catalin Marinas
Browse files

arm64: ELF: add support for big-endian executables 



This patch adds support for the aarch64_be ELF format to the AArch64 ELF
loader.

Signed-off-by: default avatarWill Deacon <will.deacon@arm.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent c194520a

arch/arm64/include/asm/elf.h

+13 −0
Original line number Diff line number Diff line
@@ -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.