1.hidden __syscall_ret 2.global syscall 3.type syscall,%function 4syscall: 5 mov x8,x0 6 mov x0,x1 7 mov x1,x2 8 mov x2,x3 9 mov x3,x4 10 mov x4,x5 11 mov x5,x6 12 svc #0 13 b __syscall_ret