1(module $exit_on_start 2 (import "wasi_snapshot_preview1" "proc_exit" 3 (func $wasi.proc_exit (param $rval i32))) 4 5 (func (export "_start") 6 i32.const 2 ;; push $rval onto the stack 7 call $wasi.proc_exit ;; return a sys.ExitError to the caller 8 ) 9)