...

src/runtime/targets/x64.s

@@ -1,20 +1,9 @@
 .intel_syntax noprefix
 
 .text
-.globl nub_write_string
-# void nub_write_string(const char* str)
-nub_write_string:
-    push rdi
-    call nub_cstring_length
-    mov rdx, rax
-    pop rsi
-    mov rax, 1
-    mov rdi, 1
-    syscall
-
-.text
-.globl nub_exit
-# void nub_exit(int code)
-nub_exit:
+.globl _start
+_start:
+    mov rdi, rsp
+    call main
     mov rax, 60
     syscall