[Bug 27468] QQ International crashes when clicking on password form if dlls/user32/hook.c is build with -O2
wine-bugs at winehq.org
wine-bugs at winehq.org
Sat Apr 20 00:01:44 CDT 2013
http://bugs.winehq.org/show_bug.cgi?id=27468
Dan Kegel <dank at kegel.com> changed:
What |Removed |Added
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Attachment #44214|0 |1
is obsolete| |
--- Comment #50 from Dan Kegel <dank at kegel.com> 2013-04-20 00:01:44 CDT ---
Created attachment 44223
--> http://bugs.winehq.org/attachment.cgi?id=44223
Wrap hook proc in case it uses wrong calling convention
Jacek suggests it could be a calling convention mismatch... and sure enough,
the address of the local variable ret in call_hook_proc changes.
As Jacek suggests, the thing to do is insulate ourselves from the value of
SP on return from the proc, as in WINPROC_wrapper().
This patch works for me with QQ International on 32 bits.
Does it work for you, too?
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