[Bug 45703] Microsoft Office 365 applications crash on startup ( Microsoft AppV ISV virtual filesystem technology requires several native and core API to be hot-patchable )

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=45703

Zebediah Figura <z.figura12 at gmail.com> changed:

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                 CC|                            |z.figura12 at gmail.com

--- Comment #11 from Zebediah Figura <z.figura12 at gmail.com> ---
(In reply to Anastasius Focht from comment #9)
> Anyway, this problem domain is known for years. There were various
> discussions in the past on how to mitigate this. More recent one:
> https://bugs.winehq.org/show_bug.cgi?id=45199#c30 (and follow-up comments).
> 
> * making Win32 API hot-patchable by default
> * use '-fno-PIC' by default
> * implement proper NT-style syscall thunks for native API (Wine-Staging)
> 
> Yet we still keep to continue the practice "as needed", polluting the tree
> source with 'DECLSPEC_HOTPATCH'. Analysing/debugging that is just monkey
> work.

Right, it's getting to be time this was fixed. Nothing along the lines of NT
syscalls will happen before code freeze, but I'm going to start pushing to at
least fix hot-patching on the GCC side, so that we can apply it to all API
exports. Arguing for -fno-PIC is left as an exercise to the reader.

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