#define CONTEXT_ARM64   0x00400000L
#define CONTEXT_CONTROL (CONTEXT_ARM64 | 0x1L)
#define CONTEXT_INTEGER (CONTEXT_ARM64 | 0x2L)
#define CONTEXT_FLOATING_POINT  (CONTEXT_ARM64 | 0x4L)
#define CONTEXT_DEBUG_REGISTERS (CONTEXT_ARM64 | 0x8L)
#define CONTEXT_X18 (CONTEXT_ARM64 | 0x10L)
#define CONTEXT_FULL (CONTEXT_CONTROL | CONTEXT_INTEGER | CONTEXT_FLOATING_POINT)