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Index > Windows > Native application on Windows x64

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KostX



Joined: 19 Sep 2012
Posts: 38
KostX
Hi, everyone. I've got a question: Is there the way to run 32-bit native application on Windows x64? I've tried to do it but my app gives something like BSOD with STATUS_CONFLICTING_ADDRESSES (0xC0000018) (exectly
STOP: C0000145 {Application Error} The application was unable ti start correctly (0xC0000018). Click OK to close the application)
If this trouble real in addresses, what they could be?
Post 13 Aug 2014, 16:08
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KostX



Joined: 19 Sep 2012
Posts: 38
KostX
Or I have to rewrite my application to PE64?
Post 13 Aug 2014, 16:11
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ACP



Joined: 23 Sep 2006
Posts: 204
ACP
There is no need to rewrite the userland application thanks to WoW64: http://en.wikipedia.org/wiki/WoW64

You don't need to do anything special to run Win32 application on x64. Basically there is either something wrong with you application or system installation but I fail to see how it is connected with FASM.
Post 13 Aug 2014, 18:08
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cod3b453



Joined: 25 Aug 2004
Posts: 619
cod3b453
I'm going to take native to mean kernel mode running on SysWOW; similar rules apply but there are more exceptions and limitations (some API simply will not work). This could be a double allocation, different caching or access behavior - if you're trying to mix/share with 64bit processes this probably will not work at all. Without knowing the source of the error there's no way to say whether a rewrite is needed or not but obviously fewer things can/should cause problems if the native code is actually running in its native environment.
Post 13 Aug 2014, 21:03
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typedef



Joined: 25 Jul 2010
Posts: 2913
Location: 0x77760000
typedef
You want to run it when Windows starts up. There's a registry key that allows you to do that but I forgot.
Post 13 Aug 2014, 21:31
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KostX



Joined: 19 Sep 2012
Posts: 38
KostX
Quote:

There's a registry key that allows you to do that but I forgot.

Of course there is, I know, it's the HKEY_LOCAL_MACHINE\CurrentControlSet\Control\SessionManager\BootExecute

I can't understand, why it doesn' work? Application runs then failes with STOP: C0000145 {Application Error} The application was unable ti start correctly (0xC0000018). Click OK to close the application message on blue screen.

Perhaps, i need to run from 'sysWow64', instead 'System32'? I tried. Application actually does not running, eventhough I point full path to(include) file name.

I believe that there is the way to run 32-bit app on windows 64. As ACP gave the link http://en.wikipedia.org/wiki/WoW64 there I read the
Quote:
Wow64.dll, the core interface to the Windows NT kernel that translates between 32-bit and 64-bit calls, including pointer and call stack manipulations
. It has to work, But I still can't understand what's wrong...
Post 13 Aug 2014, 23:01
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