...

src/runtime/runtime.asm

@@ -1,17 +1,22 @@
 global _start
-extern main, gc_init
+extern main
 
 section .text
 _start:
-    call gc_init
+    ; Extract argc and argv from the stack
-    call main
+    mov rdi, [rsp]        ; rdi = argc
-	mov rdi,  rax
+    lea rsi, [rsp + 8]    ; rsi = argv (pointer to array of strings)
-    mov rax, 60
+
+    ; Call main(argc, argv)
+    call main             ; main returns int in rax
+
+    ; Exit with main's return value
+    mov rdi, rax          ; exit code
+    mov rax, 60           ; syscall: exit
     syscall
 
 global nub_strcmp
 
-section .text
 nub_strcmp:
     xor rdx, rdx
 .loop: