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Date:	Wed, 8 Dec 2010 22:20:26 +0100
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Subject:	Re: Loading a Cygwin based DLL and calling exported functions
From:	Reini Urban <rurban AT x-ray DOT at>
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2010/12/8 James Dickson:
> VC++ 10.0 client application:
>
> int main(int argc, char ** argv)
> {
> =A0=A0 =A0// 4k scratch space.
> =A0=A0 =A0char *stackbase;
> =A0=A0 =A0__asm
> =A0=A0 =A0{
> =A0=A0 =A0 =A0 =A0mov eax, fs:[4];
> =A0=A0 =A0 =A0 =A0mov stackbase, eax;
> =A0=A0 =A0}
>
> =A0=A0 =A0// Load cygwin dll.
> =A0=A0 =A0HMODULE cygwin_ptr =3D LoadLibrary(L"cygwin1.dll");

That's a 4byte scratch space on the stack for the char*, and not 4K.

char stackbase[4096]; would fit (untested), but using the padding
method from cygload even better.
--=20
Reini Urban

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