arm-linux-readelf 查看
Tag_CPU_name: "5TE" Tag_CPU_arch: v5TE
Tag_CPU_name: "ARM v7" Tag_CPU_arch: v7 Tag_CPU_arch_profile: Application Tag_CPU_unaligned_access: v6
Tag_CPU_name: "ARM1176JZF-S" Tag_CPU_arch: v6K