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From:	"Paul K Gleske" <pkg AT gleske DOT org>
To:	"Corinna Vinschen" <cygwin AT cygwin DOT com>
Subject:	RE: Issue calling Com function(s)
Date:	Wed, 13 Jun 2001 10:14:14 -0400
Message-ID:	<NCBBLNOKDKEGJLPOBEJDIENOGHAA.pkg@gleske.org>
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Nice try but, there is nothing there about either flag (-fvtable-thunks
or -fnative-struct) in the info gcc supplied with cygwin.  I was able to
find something about -fvtable-thunks on gcc.gnu.org in the manual, but I'm
still not sure what it means.

I notice that the compiled code is different when using those flags.  In
fact the code looks like is more "right" than without the code, but
nonetheless I still get a segv when calling the ImageStream->Stat method.
It appears that the call itself is failing (the call through edi), so it
appears that the vtable is not being handled right.

I'll try to make a tiny app to isolate this one call.  Has anyone else
successfully use CreateStreamFromHGlobal?  Or any other WinAPI call that
returns an interface?

-pkg

-----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: Wednesday, June 13, 2001 4:52 AM
To: cygwin AT cygwin DOT com
Subject: Re: Issue calling Com function(s)


On Tue, Jun 12, 2001 at 09:57:49PM -0400, Paul K Gleske wrote:
> Thanks for the input.  Where are these options documented.  I've been
> looking for them.

Call `info gcc'.

Corinna

--
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

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