fixes

test2/small_dll.rs

@@ -0,0 +1,18 @@
+#![no_std]
+#![crate_type = "cdylib"]
+#![windows_subsystem = "console"]
+
+#[panic_handler]
+fn handle_panic(_: &core::panic::PanicInfo<'_>) -> ! {
+    loop {}
+}
+
+#[no_mangle]
+pub extern "C" fn my_export() -> u32 {
+    42
+}
+
+#[no_mangle]
+pub extern "stdcall" fn _DllMainCRTStartup() -> u32 {
+    0
+}