From 13ec4ec3e11c80bed9409c7046574d739d277ae3 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 11 Feb 2019 23:48:39 -0800 Subject: [PATCH] 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 Reviewed-by: Laurent Vivier Message-Id: <20190212074840.13542-2-richard.henderson@linaro.org> Signed-off-by: Laurent Vivier --- linux-user/elfload.c | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 6e8762b40d..940a97a2f2 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -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