qemu/bsd-user/sparc/target_syscall.h

#ifndef TARGET_SYSCALL_H
#define TARGET_SYSCALL_H

struct target_pt_regs {
	abi_ulong psr;
	abi_ulong pc;
	abi_ulong npc;
	abi_ulong y;
	abi_ulong u_regs[16];
};

#define UNAME_MACHINE "sun4"

#endif /* TARGET_SYSCALL_H */