Mail Archives: cygwin/2001/03/08/05:22:21
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Piqued by interest, I did a quick hack of these macros into GNU assembly.
Seems to work ok. Can someone see if these work, its been a long time since
I did inline assembly in GAS format.
Andrew Younger
Programmer
Red Lemon Studios Ltd
175 West George Street, Glasgow G2 2LB, Scotland, U.K.
Tel +44 (0) 141 271 2000
Fax +44 (0) 141 271 2001
andyy AT redlemon DOT com
www.redlemon.com
It's a game thing!
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> -----Original Message-----
> From: cygwin-owner AT sources DOT redhat DOT com
> [mailto:cygwin-owner AT sources DOT redhat DOT com]On Behalf Of Corinna Vinschen
> Sent: 07 March 2001 18:35
> To: cygwin
> Subject: Re: Where is GetCurrentFiber?
>
>
> On Wed, Mar 07, 2001 at 01:10:08PM -0500, Larry Hall (RFK
> Partners, Inc) wrote:
> > At 01:06 PM 3/7/2001, Corinna Vinschen wrote:
> > >On Tue, Mar 06, 2001 at 10:57:02AM -0500, Larry Hall (RFK
> Partners, Inc) wrote:
> > > > I don't think so. GetCurrentFiber() and GetFiberData()
> are in user32.dll
> > > > according to the MSDN.
> > >
> > >Hmm, which MSDN are you looking into? MSDN explicitely says
> > >`GetCurrentFiber()' and `GetFiberData()' are macros, defined
> > >in winnt.h.
> > >
> > >Corinna
> >
> >
> >
> > Oops! Quite right. I didn't look very closely at that
> page and just clicked
> > right along to "Requirements". These are macros. I guess
> they are improperly
> > defined in Cygwin's winnt.h.
>
> Yep. They are simply declared as functions, unfortunately.
>
> Corinna
>
> --
> Corinna Vinschen Please, send mails
> regarding Cygwin to
> Cygwin Developer
mailto:cygwin AT cygwin DOT com
Red Hat, Inc.
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name="fiber.c"
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filename="fiber.c"
#include <windows.h>=0A=
=0A=
// Quick hack for windows Fiber macros=0A=
#if __GNUC__=0A=
__inline PVOID GNU_GetFiberData(void)=0A=
{=0A=
void* ret;=0A=
__asm__ volatile ("=0A=
movl %%fs:0x10,%%eax=0A=
movl (%%eax),%%eax=0A=
" : "=3Dg" (ret)=0A=
:=0A=
);=0A=
return ret;=0A=
}=0A=
=0A=
__inline PVOID GNU_GetCurrentFiber(void)=0A=
{=0A=
void* ret;=0A=
=0A=
__asm__ volatile ("=0A=
movl %%fs:0x10,%%eax=0A=
" : "=3Dg" (ret)=0A=
:=0A=
);=0A=
return ret;=0A=
}=0A=
=0A=
#define GetFiberData GNU_GetFiberData=0A=
#define GetCurrentFiber GNU_GetCurrentFiber=0A=
=0A=
#endif=0A=
=0A=
#include <stdio.h>=0A=
=0A=
int main(void)=0A=
{=0A=
void *pFiber =3D GetCurrentFiber();=0A=
void *pData =3D 0L; // GetFiberData(); // This will die..=0A=
// as fiber is NULL=0A=
printf("%p %p\n", pFiber, pData);=0A=
return 0;=0A=
}=0A=
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