CYGWIN application & MSVC dll

CYGWIN application & MSVC dll

[Lior Kauffman]

Hi,

I would like to ask - is it possible to load and use a DLL compiled by MSVC from a CYGWIN application ?

Thanks in advance for any clue,

				Lior.


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CYGWIN I/O port functions

[Lior Kauffman]

Hi Experts,

I would like to ask - what are the CYGWIN functions analogue to the LINUX I/O port functions - outb(y,x), inb(x) ?

Thanks in advance for any clue,

				Lior.


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Re: CYGWIN I/O port functions

[Corinna Vinschen]

On Mon, Aug 26, 2002 at 06:51:11AM -0700, Lior Kauffman wrote:
> Hi Experts,
> 
> I would like to ask - what are the CYGWIN functions analogue to the LINUX I/O port functions - outb(y,x), inb(x) ?
> 
> Thanks in advance for any clue,

Did you read the Linux man pages about inb and outb?

Corinna

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Corinna Vinschen                  Please, send mails regarding Cygwin to
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Re: CYGWIN application & MSVC dll

[J. Tang]

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>  Date: 26 Aug 2002 06:46:55 -0700
>  From: "Lior Kauffman" <Lior.Kauffman@nsc.com>
>  Cc: "Lior Kauffman" <Lior.Kauffman@nsc.com>
>  
>  I would like to ask - is it possible to load and use a DLL compiled
>  by MSVC from a CYGWIN application ?

Yes; I am currently doing such using the dltools.

-- 
Jason Tang  /  tang@jtang.org  /  http://www.jtang.org/~tang

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Re: CYGWIN I/O port functions

[Marcel Telka]

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Napísané dňa 26.08.2002 15:51:11 +0200, (autor: Lior Kauffman):

Re: CYGWIN I/O port functions

[Jacek Trzcinski]

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Dnia Wto 27. Sierpień 2002 08:50, Marcel Telka napisał:
> Napísané dňa 26.08.2002 15:51:11 +0200, (autor: Lior Kauffman):
> > Hi Experts,
> >
> > I would like to ask - what are the CYGWIN functions analogue to the LINUX
> > I/O port functions - outb(y,x), inb(x) ?
> >
> > Thanks in advance for any clue,
>
> Please see http://sources.redhat.com/ml/cygwin/2002-07/msg01533.html
>
> Regards.
Hi !
As I know (maybe I 'm wrong) we avoid in Cygwin to utilize low level device 
drivers. It is obvious that access to I/O ports require specjal Widows device 
driver but seems to be relatively simple in use only under versions of NT 
which do not require system rebooting after such driver installation (XP for 
example).  From this reason I do not think it may be placed in Cygwin 
distribution.

jacek

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Re: CYGWIN I/O port functions

[Marcel Telka]

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Napísané dňa 27.08.2002 09:18:54 +0200, (autor: Jacek Trzcinski):

Re: CYGWIN application & MSVC dll

[J. Tang]

>  Date: 26 Aug 2002 22:31:25 -0700
>  From: "Lior Kauffman" <Lior.Kauffman@nsc.com>
>  Cc: cygwin <cygwin@cygwin.com>
>  
>  is there are special guidelines for building the MSVC compiled DLL
>  (dlltool ?)

From Visual Studio, set the project type to be a relocable library
(DLL).  I ended up hand-editing its .def file to list the exportable
functions; for some reason __cdecl did not work for me.

>  how do I load the MSVC compiled DLL from the CYGWIN application (by
>  which command ?)

I used dlltools to load the DLL at runtime; see this older mailing list
post:

http://cygwin.com/ml/cygwin/2002-08/msg01141.html

Now if you're referring to linking to the DLL at compile time, see
http://cygwin.com/cygwin-ug-net/dll.html#DLL-LINK .  Note that I have not
personally done this yet; I have only built and used relocatable MSVC
DLLs.

I've also built and used relocatable Cygwin DLLs, but gave up after
this:  http://cygwin.com/ml/cygwin/2002-08/msg01002.html , with a
follow-up at http://cygwin.com/ml/cygwin/2002-08/msg01046.html .

-- 
Jason Tang  /  tang@jtang.org  /  http://www.jtang.org/~tang

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Re: CYGWIN application & MSVC dll

[Lior Kauffman]

Hi Jason Tang,

Thanks for your response !

I'm glad to hear that there is a way to use MSVC compiled DLL from CYGWIN
application.

I would like to ask -
      is there are special guidelines for building the MSVC compiled DLL
      (dlltool ?)
      how do I load the MSVC compiled DLL from the CYGWIN application (by
      which command ?)

Thanks for your advice,

                  Lior.




                                                                                                                                    
                      tang@jtang.org                                                                                                
                                               To:      Lior Kauffman/Americas/NSC@NSC                                              
                      08/26/02 05:39           cc:      cygwin@cygwin.com@Internet, Lior Kauffman/Americas/NSC@NSC                  
                      PM                       Subject: Re: CYGWIN application & MSVC dll                                           
                                                                                                                                    
                                                                                                                                    



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>  Date: 26 Aug 2002 06:46:55 -0700
>  From: "Lior Kauffman" <Lior.Kauffman@nsc.com>
>  Cc: "Lior Kauffman" <Lior.Kauffman@nsc.com>
>
>  I would like to ask - is it possible to load and use a DLL compiled
>  by MSVC from a CYGWIN application ?

Yes; I am currently doing such using the dltools.

--
Jason Tang  /  tang@jtang.org  /  http://www.jtang.org/~tang







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