Hello All, This is all very experimental. I am working on in the ReactOS tree and it might not even work for larger apps but I am happy with the results so far.
I was thinking the other day that ReactOS and WINE/Linux might get a big boost if we can push support in the embedded enviroment so I started taking a look at WinCE and Microsoft Embedded Visual C++ 4.0 .BTW: Its a free download now. http://www.microsoft.com/downloads/details.aspx?FamilyID=1dacdb3d-50d1-41b2-...
I started looking at WinCE and thought it would be nice if we could be source compatible with WinCE apps and binary compatbile on x86. Well it seems that WinCE apps dont differ much from standard Win32 apps execpt the subsystem ID is differnt. If you attempt to run a WinCE application on Windows it will say that its not able to run. Ok no problem, we just run "editbin /subsystem:windows blah.exe" and check it out. Now the app is looking for coredll.dll. No problem there I have created a stub coredll.dll that just forwards all calls to the proper Win32 dlls such as user32, kernel32, etc.....
.....and check it out. My little messagebox test works on Windows. Ok soon then I go and run the same test on ReactOS but this time I run a copy of messagebox without changing the subsystem ID...Hey what do you know. It works =). I talked with Alexandre about it a bit and he said that WINE like ReactOS also shouldnt care about the subsystem ID so if someone is interested in testing just drop the messagebox programs and coredll.dll in to a directory and give it a shot.
I am having trouble getting more complex apps (hello world) to work atm so I think i am just going to take a break and clear my head for a few days. Some of the WinCE API and Win32 is not 100% compatible so we cant just forward all parts to the Win32 implementation but I think we can do it for most of it. If anyone is interested in helping out the source is in the ROS CVS tree and attached to this email......
binary.zip messagebox.exe - wince messagebox program msgbox.exe - wince messagebox program with subsystem id changed to Windows. wincehel.exe - Hello World WinCE app wincehelw.exe - Hello World WinCE app with subsystem id changed to Windows. coredll.dll - WinCE Win32 API commctl.dll - WInCE common controls API.
source.zip coredll - dummy forwarder dll commctl - dummy stub dll for common controls
Thanks Steven
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Steven Edwards