.global _start
.global __syscall

.text
_start:
    // Run main
    call main

    // Exit process
    mov %rax, %rdi
    mov $60, %rax
    syscall

__syscall:
    // Save the config (except rax)
    push %rdi
    push %rsi
    push %rdx
    push %r10

    // Make the syscall
    mov %rdi, %rax
    mov %rsi, %rdi
    mov %rdx, %rsi
    mov %rcx, %rdx
    mov %r8d, %r10d
    syscall

    // Restore and return
    pop %r10
    pop %rdx
    pop %rsi
    pop %rdi
    retq