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From: Vadim Rozenfeld <vrozenfe@redhat.com>
Date: Wed, 27 Mar 2013 22:29:05 +1100
In-Reply-To: <CD774224.BF6%Tomoki.Sekiyama@hds.com>
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Subject: Re: [Qemu-devel] [RFC PATCH 04/10] qemu-ga: Add Windows VSS
 provider to quiesce applications on fsfreeze
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To: Tomoki Sekiyama <tomoki.sekiyama@hds.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>, "mdroth@linux.vnet.ibm.com" <mdroth@linux.vnet.ibm.com>, "lcapitulino@redhat.com" <lcapitulino@redhat.com>, Paolo Bonzini <pbonzini@redhat.com>, "dle-discus@lists.sourceforge.jp" <dle-discus@lists.sourceforge.jp>, Tomoki Sekiyama <tomoki.sekiyama.qu@hitachi.com>

On Tue, 2013-03-26 at 16:30 +0000, Tomoki Sekiyama wrote:
> On 3/26/13 4:44 , "Vadim Rozenfeld" <vrozenfe@redhat.com> wrote:
> 
> >On Tue, 2013-03-26 at 08:09 +0100, Paolo Bonzini wrote:
> >> Il 25/03/2013 21:50, Tomoki Sekiyama ha scritto:
> >>> Unfortunately, if I remove importlib("stdole2.tlb"), generated .tlb
> >>>seems
> >> > rejected to register into Windows COM+ Catalog.
> >> > 
> >> > Wine has stdole2.tlb in its fakedlls directory, but widl does not
> >>accept
> >> > this by
> >> > 
> >> >   error: Wrong or unsupported typelib magic 405a4d
> >> > 
> >> > Even if I copied native stdole2.tlb, widl fails with the same error.
> >> > 
> >> > Do you have any idea about this error?
> >
> >Seems like your tlb has nonstandard identifying characters. Check first
> >several bytes of the tlb file. Usually it should be something like '4D
> >53 46 54', or '4D 5A 90'
> 
> I found '4D 53 46 54' at offset 0x300 of stdole2.tlb.
> Wine's stdole2.tlb also have the signature at offset 0x738.
> 

I rechecked stdole2.tlb provided by MS. All three versions (arm, x86,
and x64) begin with 'MSFT' (4D 53 46 54) and have 00 00 00 00  at offset
0x300

> (might have an additional header before the main part?)
> 
> Widl accepted the wine's stdole2.tlb when I removed the header,
> but still, the generated qga-provider.tlb was not accepted by Windows...:(
> 
> >> 
> >> No, I suggest you ask on the Wine mailing lists.  In the meanwhile we
> >> can include a precompiled .tlb file in the QEMU repository and use midl.
> >> 
> >> Paolo
> 
> I will take this way so far.
> 
> Thanks,
> 
> Tomoki Sekiyama
>