fixes

test/build.sh

@@ -0,0 +1,3 @@
+#!/usr/bin/env bash
+
+rustc example_exe.rs --target x86_64-pc-windows-msvc -Cpanic=abort -Clinker=lld-link -Clink-arg=/entry:my_main -Clink-arg=/NODEFAULTLIB -Cdebuginfo=0

test/example_exe.rs

@@ -1,5 +1,6 @@
 #![no_std]
 #![no_main]
+#![windows_subsystem = "console"]
 
 #[panic_handler]
 fn handle_panic(_: &core::panic::PanicInfo<'_>) -> ! {
@@ -7,4 +8,6 @@ fn handle_panic(_: &core::panic::PanicInfo<'_>) -> ! {
 }
 
 #[no_mangle]
-pub fn main() {}
+pub extern "stdcall" fn my_main() -> u32 {
+    42
+}

test/example_exe_crt.rs

@@ -0,0 +1,10 @@
+#![no_std]
+#![no_main]
+
+#[panic_handler]
+fn handle_panic(_: &core::panic::PanicInfo<'_>) -> ! {
+    loop {}
+}
+
+#[no_mangle]
+pub extern "stdcall" fn my_main() {}