stack/footer.asm

; beginning of footer
    mov rax, SYS_EXIT
    mov rdi, 0
    syscall

p:
    mov rax, SYS_WRITE
    mov rdi, STDOUT
    mov rsi, msg_buf
    mov [rsi], rbx
    mov rdx, 1
    syscall
    ret

section .data
msg_buf:
    db "!"