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Subject[PATCH 14/14] csky: Add EM_CSKY_OLD 39
Date
From: Guo Ren <ren_guo@c-sky.com>

C-SKY historically used 39, the same value as MCORE, from which the
architecture was derived.

C-SKY binutils support both EM_CSKY and EM_CSKY_OLD, confirmed by
binutils:include/elf/common.h

Signed-off-by: Guo Ren <ren_guo@c-sky.com>
---
arch/csky/include/asm/elf.h | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/csky/include/asm/elf.h b/arch/csky/include/asm/elf.h
index d6dbc00..e1ec558 100644
--- a/arch/csky/include/asm/elf.h
+++ b/arch/csky/include/asm/elf.h
@@ -8,6 +8,7 @@
#include <abi/regdef.h>

#define ELF_ARCH EM_CSKY
+#define EM_CSKY_OLD 39

/* CSKY Relocations */
#define R_CSKY_NONE 0
@@ -43,7 +44,8 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG];
/*
* This is used to ensure we don't load something for the wrong architecture.
*/
-#define elf_check_arch(x) ((x)->e_machine == ELF_ARCH)
+#define elf_check_arch(x) (((x)->e_machine == ELF_ARCH) || \
+ ((x)->e_machine == EM_CSKY_OLD))

/*
* These are used to set parameters in the core dumps.
--
2.7.4
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