OpenEuphoria

Re: Euphoria and Windows XP SP2

• Posted by CoJaBo <cojabo at suscom.net> Sep 18, 2004
• 442 views

You will have to disable it for Euphoria.
I am getting an Athlon64 DTR laptop,
it will probably have the same problem.

Tommy Carlier wrote:
> 
> I just updated to Windows XP SP2, and there were some
> problems with Euphoria. My computer is only a few months
> old, and has an AMD Athlon64 CPU, which has builtin DEP
> (data execution protection). When enabled, this prevents
> data from being executed.
> In SP2, DEP is by default enabled only for critical
> services and applications. This causes no problems with
> Euphoria. However, when I enable it for ALL applications,
> Euphoria-programs get machine errors. Like suggested in
> previous posts, the manually constructed assembly-routines
> cause problems. But there were also problems with c_func
> and c_proc: I can show a message_box from Euphoria, but
> I can't open a window (CreateWindow and CreateWindowEx
> throw an error). This even happens with the small demos
> that come with Euphoria (WINDOW.EXW, WINWIRE.EXW).
> 
> As I said, the default settings of SP2 cause no problems,
> but if DEP is enabled for all applications, even the simplest
> Euphoria Win32-application crashes (leaves with a machine error).
> 
> Below, you find EX.ERR produced by WINDOW.EXW:
> 
> C:\EUPHORIA\DEMO\WIN32\WINDOW.EXW:228 in procedure WinMain() 
> A machine-level exception occurred during execution of this statement 
>     szAppName = 682872
>     hwnd = <no value>
>     msg = 682824
>     wndclass = 682768
>     WndProcAddress = 683000
>     class = 704865
>     id = 0
>     icon_handle = 590457
> 
> ... called from C:\EUPHORIA\DEMO\WIN32\WINDOW.EXW:254 
> 
> Global & Local Variables
> 
>  C:\EUPHORIA\include\misc.e:
>     pretty_end_col = <no value>
>     pretty_chars = <no value>
>     pretty_start_col = <no value>
>     pretty_level = <no value>
>     pretty_file = <no value>
>     pretty_ascii = <no value>
>     pretty_indent = <no value>
>     pretty_ascii_min = <no value>
>     pretty_ascii_max = <no value>
>     pretty_fp_format = <no value>
>     pretty_int_format = <no value>
>     pretty_line = <no value>
> 
>  C:\EUPHORIA\include\machine.e:
>     mem = 666392
>     check_calls = 1
> 
>  C:\EUPHORIA\DEMO\WIN32\WINDOW.EXW:
>     LoadIcon = 0
>     LoadCursor = 1
>     GetStockObject = 2
>     RegisterClassEx = 3
>     CreateWindow = 4
>     ShowWindow = 5
>     UpdateWindow = 6
>     GetMessage = 7
>     TranslateMessage = 8
>     DispatchMessage = 9
>     PlaySound = 10
>     BeginPaint = 11
>     GetClientRect = 12
>     DrawText = 13
>     EndPaint = 14
>     PostQuitMessage = 15
>     DefWindowProc = 16
>     wav_file = 529352
>     Euphoria = 682000
>     ps = 682048
>     rect = 682120
>     my_title = 682248
> 
> --
> tommy online: <a
> href="http://users.telenet.be/tommycarlier">http://users.telenet.be/tommycarlier</a>
> tommy.blog: <a
> href="http://tommycarlier.blogspot.com">http://tommycarlier.blogspot.com</a>
> Euphoria Message Board: <a
> href="http://uboard.proboards32.com">http://uboard.proboards32.com</a>
>