; x86_64 linux nasm

section .text

Sleep:
  mov rsi, 0 ; we wont use the second sleep arg, pass null to syscall
  sub rsp, 16
  mov qword [rsp], rdi ; number of seconds the caller requested
  mov qword [rsp + 8], rsi ; we won't use the nanoseconds
  mov rdi, rsp ; pass the struct that's on the stack to
  mov rax, 35 ; sys_nanosleep
  syscall
  add rsp, 16 ; clean up stack
  ret