Mach-O的Header的magic

• magic=魔数

源码定义：

/* Constant for the magic field of the mach_header (32-bit architectures) */
#define MH_MAGIC       0xfeedface      /* the mach magic number */
#define MH_CIGAM       0xcefaedfe      /* NXSwapInt(MH_MAGIC) */

/* Constant for the magic field of the mach_header_64 (64-bit architectures) */
#define MH_MAGIC_64 0xfeedfacf /* the 64-bit mach magic number */
#define MH_CIGAM_64 0xcffaedfe /* NXSwapInt(MH_MAGIC_64) */

->

• magic
  • 通用格式：0xcafebabe
  • （armv7等）32bit：0xfeedface
  • （arm64等）64bit：0xfeedfacf