Free Compiler

Free Compiler

[vandana yesoda]

Hi all,

Is there any free compiler which can understand the name mangling of
MSVC++, so that the C++ objects of MSVC++ and the compiler can be
combined.

Thanks in advance.

Any help in this regard is greatly appreciated.

bye
vandana


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Re: Free Compiler

[Mumit Khan]

"vandana yesoda" <vandana.yesoda@wipro.com> writes:
> Hi all,
> 
> Is there any free compiler which can understand the name mangling of
> MSVC++, so that the C++ objects of MSVC++ and the compiler can be
> combined.
> 

Please read C++ FAQ, or better yet, Stroustrup's book, on why you cannot,
in general, mix-and-match code from different C++ compilers.

To be able to mix C++ code between two compilers, the compilers must use
the same/compatible Application Binary Interface (ABI) that dictates how
the objects are laid out in memory, and other (secondary) issues such
as name mangling and so on.

The only compiler that *may be* C++ ABI compatible with MSVC is 
Metrowerks ( http://www.metrowerks.com/ ); GCC is not, and is unlikely
to be in the near future, ABI compatible with MSVC.

This hopefully also answers the question that you asked in your private
email regarding using dlltool on VC++ C++ symbols.

Regards,
Mumit


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RE: Free Compiler

[Bernard Dautrevaux]

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> -----Original Message-----
> From: vandana yesoda [ mailto:vandana.yesoda@wipro.com ]
> Sent: Tuesday, March 28, 2000 12:19 PM
> To: cygwin
> Subject: Free Compiler
> 
> 
> Hi all,
> 
> Is there any free compiler which can understand the name mangling of
> MSVC++, so that the C++ objects of MSVC++ and the compiler can be
> combined.
> 

Regretfully having the same name mangling is by far not enough; it should
also have the same register usage conventions, parameter passing conventions
(these two quite current) but even more: virtual table management is one of
those but don't forget virtual base class management (quite tricky),
multiple inheritance object layout, and finally the new ANSI-C++ features:
template generation, exception handling (in multi-threaded environment),
signature management... (oh sorry I think I was dreaming, or does MSVC++
handle all these really?...)

> Thanks in advance.
> 
> Any help in this regard is greatly appreciated.

You're welcome but I'm afarid the only help I can provide is: no chance :-)

> 
> bye
> vandana
> 

Cheers

		Bernard

--------------------------------------------
Bernard Dautrevaux
Microprocess Ingéniérie
97 bis, rue de Colombes
92400 COURBEVOIE
FRANCE
Tel:	+33 (0) 1 47 68 80 80
Fax:	+33 (0) 1 47 88 97 85
e-mail:	dautrevaux@microprocess.com
		b.dautrevaux@usa.net
-------------------------------------------- 

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