[PATCH 1/3] winebuild: Added support for entry points generated in runtime.

Jacek Caban jacek at codeweavers.com
Wed Jan 20 06:07:23 CST 2016


On 01/19/16 13:03, Sebastian Lackner wrote:
> * Last but not least, one of the reasons why I haven't submitted my own approach so
>   far: The whole idea only works reliable as long as we do NOT forward Ldr* functions
>   to syscall thunks. If we do, like it should work on Windows, and like it is most
>   likely required by other apps, there are race conditions all over the place and
>   Steam webstore only works with a probability of about 50% or less. I haven't figured
>   out what causes it yet.

How can I reproduce it? I tried your patches with Steam, but they didn't
work. My patches that use syscall thunks only for NtOpenFile (and that's
needed for Office) work 100% time. This means that we have a version
that calls too many and another with too few calls through those thunks,
so it should be easy to bisect, which exact calls cause problems. I used
your ntdll-Syscall_Wrappers patches from staging tree on top of clean
Wine. Am I missing something?

(BTW, my first guess without any debugging would be that with your
patches, we call memory management functions inside Nt* calls, which
definitely shouldn't go through thunks).

Thanks,
Jacek



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