Re: [Qemu-devel] [RFC PATCH 04/10] qemu-ga: Add Windows VSS provider to quiesce applications on fsfreeze

[Tomoki Sekiyama]

On Tue, 2013-03-26 at 16:30 +0000, Tomoki Sekiyama wrote:
> On 3/26/13 4:44 , "Vadim Rozenfeld" <address@hidden> 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

Oops, I was watching stdole2.tlb picked up from system32 directory.
Thank you for rechecking.

Still, it is not available in POSIX environment...

> (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
>