csky: Add EM_CSKY_OLD 39

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>
This commit is contained in:
Guo Ren 2018-12-31 22:27:29 +08:00
parent 0c87bb0e87
commit 6256734f91

View File

@ -8,6 +8,7 @@
#include <abi/regdef.h> #include <abi/regdef.h>
#define ELF_ARCH EM_CSKY #define ELF_ARCH EM_CSKY
#define EM_CSKY_OLD 39
/* CSKY Relocations */ /* CSKY Relocations */
#define R_CSKY_NONE 0 #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. * 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. * These are used to set parameters in the core dumps.