asm program to multiple 6 by 5 ~recursively~

mult.asm

global _start
section .text
multiply:
  xor rax, rax
  cmp rsi, 0
  je base_case

  dec rsi
  call multiply
  add rax, rdi
 
base_case:
  ret

_start:

  mov rdi, 6
  mov rsi, 5

  call multiply
 
  push rax
  mov rax, 60
  mov rdi, [rsp]
  syscall