1.global __syscall 2.hidden __syscall 3.type __syscall,@function 4__syscall: 5 movq %rdi,%rax 6 movq %rsi,%rdi 7 movq %rdx,%rsi 8 movq %rcx,%rdx 9 movq %r8,%r10 10 movq %r9,%r8 11 movq 8(%rsp),%r9 12 syscall 13 ret 14