26     let socket_type = regs.r9 as usize;  in sys_socket()
79     let level = regs.r9 as usize;  in sys_setsockopt()
120     let level = regs.r9 as usize;  in sys_getsockopt()
216     let addr = regs.r9 as usize;  in sys_connect()
244     let addr = regs.r9 as usize;  in sys_bind()
271     let buf = regs.r9 as usize;  in sys_sendto()
326     let buf = regs.r9 as usize;  in sys_recvfrom()
397     let msg = regs.r9 as usize;  in sys_recvmsg()
445     let backlog = regs.r9 as usize;  in sys_listen()
469     let how = regs.r9 as usize;  in sys_shutdown()
493     let addr = regs.r9 as usize;  in sys_accept()
536     let addr = regs.r9 as usize;  in sys_getsockname()
578     let addr = regs.r9 as usize;  in sys_getpeername()