R7
R5 = 5, R6, R7, R8, R9, R15 = 15,
R7 = 7, R11 = 11,
#define R7 7
#define R7 7
#define R7 7
#define R7 7
#define R7 7
#define R7 BPF_REG_7
#define R7 0x38
#define R7 7 * 8