[Bug 45864] New: wine mono cannot load 64-bit DLLs
wine-bugs at winehq.org
wine-bugs at winehq.org
Wed Sep 19 18:25:54 CDT 2018
https://bugs.winehq.org/show_bug.cgi?id=45864
Bug ID: 45864
Summary: wine mono cannot load 64-bit DLLs
Product: Wine
Version: 3.0.2
Hardware: x86-64
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: P2
Component: mscoree
Assignee: wine-bugs at winehq.org
Reporter: paleozogt at gmail.com
Distribution: ---
Created attachment 62358
--> https://bugs.winehq.org/attachment.cgi?id=62358
wine mono project and binaries
Attached is an example project that makes a PInvoke call to a custom native
function. It produces HelloWorld.exe (from HelloWorld.cs) and HelloWorld.dll
(from HelloworldNative.cpp).
If I build a 32-bit HelloWorld.dll, I am able to run HelloWorld.exe in Wine
with a WINEPREFIX generated from both WINEARCH=wine32 and WINEARCH=wine64.
However, if I build a 64-bit HelloWorld.dll, I am unable to run HelloWorld.exe
in Wine with a WINEPREFIX generated from either WINEARCH=wine32 or
WINEARCH=wine64. I wouldn't expect WINEARCH=wine32 to work for a 64-bit DLL,
but its surprising that WINEARCH=wine64 doesn't work. (With WINEARCH=wine64
I'm otherwise able to run 64-bit native executables without a problem.)
The failure looks like this:
> >HelloWorld.exe
> 002f:err:mscoree:LoadLibraryShim error reading registry key for installroot
>
> Unhandled Exception:
> System.DllNotFoundException: HelloWorld
> at (wrapper managed-to-native) HelloWorld.Hello:helloWorld ()
> at HelloWorld.Hello.Main () [0x00001] in <93c08d3d3d384696aa77bc80f6a731c1>:0
> [ERROR] FATAL UNHANDLED EXCEPTION: System.DllNotFoundException: HelloWorld
> at (wrapper managed-to-native) HelloWorld.Hello:helloWorld ()
> at HelloWorld.Hello.Main () [0x00001] in <93c08d3d3d384696aa77bc80f6a731c1>:0
It seems like Wine Mono is either running as a 32-bit process or something is
wrong with how Wine Mono's PInvoke DllImport searches for compatible DLLs.
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