linux-user/aarch64/syscall.h - qemu - Git at Google

 struct target_pt_regs {
     uint64_t        regs[31];
     uint64_t        sp;
     uint64_t        pc;
     uint64_t        pstate;
 };

 #define UNAME_MACHINE "aarch64"
 #define UNAME_MINIMUM_RELEASE "3.8.0"
	struct target_pt_regs {
	uint64_t regs[31];
	uint64_t sp;
	uint64_t pc;
	uint64_t pstate;
	};

	#define UNAME_MACHINE "aarch64"
	#define UNAME_MINIMUM_RELEASE "3.8.0"