file hall
hall: Mach-O universal binary with 2 architectures: [arm_v7:Mach-O executable arm_v7] [arm64]
hall (for architecture armv7): Mach-O executable arm_v7
hall (for architecture arm64): Mach-O 64-bit executable arm64
用otool查看
otool -lv hall
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/objdump: 'hall' (for architecture armv7): truncated or malformed object (load command 36 cmdsize not a multiple of 4)