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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: Will Deacon <will.deacon@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Will Deacon 2013-10-11 14:52:10 +01:00 committed by Catalin Marinas
parent c194520ada
commit 5436b5c830
1 changed files with 13 additions and 0 deletions
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13
arch/arm64/include/asm/elf.h
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@ -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.