[Bug 45573] League of Legends 8.12+ fails to start a game ( anticheat engine, hooking of syscall return instructions)

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=45573

--- Comment #5 from Andrew Wesie <awesie at gmail.com> ---
(In reply to Fabian Maurer from comment #4)
> Does league of legends also set a breakpoint for the "ret" hook?
> 

The game will replace the ret instruction of a Nt* syscall export with an int3
in some cases. And expects its vectored exception handlers to handle it.

> Also, do you plan to get those patches into wine-staging? Because I probably
> also should rewrite by patch for hookable x64 thunks to work like that.

Since they are required for LoL some variant of them should probably be
committed. I am waiting to make sure they don't break Wine in some way for
people.

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