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linux-user: Add ELF_PLATFORM for arm 

The 32-bit kernel has strings for v4, v5, v6, v7, v7m.
The 64-bit kernel, in compat mode, has strings for v8.

Fixes: https://bugs.launchpad.net/bugs/1813034
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20190212074840.13542-2-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Richard Henderson 2019-02-11 23:48:39 -08:00 committed by Laurent Vivier
parent 24894f39c6
commit 13ec4ec3e1
1 changed files with 31 additions and 0 deletions
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31
linux-user/elfload.c
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@ -500,6 +500,37 @@ static uint32_t get_elf_hwcap2(void)
#undef GET_FEATURE
#undef GET_FEATURE_ID
#define ELF_PLATFORM get_elf_platform()
static const char *get_elf_platform(void)
{
CPUARMState *env = thread_cpu->env_ptr;
#ifdef TARGET_WORDS_BIGENDIAN
# define END "b"
#else
# define END "l"
#endif
if (arm_feature(env, ARM_FEATURE_V8)) {
return "v8" END;
} else if (arm_feature(env, ARM_FEATURE_V7)) {
if (arm_feature(env, ARM_FEATURE_M)) {
return "v7m" END;
} else {
return "v7" END;
}
} else if (arm_feature(env, ARM_FEATURE_V6)) {
return "v6" END;
} else if (arm_feature(env, ARM_FEATURE_V5)) {
return "v5" END;
} else {
return "v4" END;
}
#undef END
}
#else
/* 64 bit ARM definitions */
#define ELF_START_MMAP 0x80000000