[Bug 46366] New: wordpad from win7 crashes on startup ( esi not saved in _initterm)

https://bugs.winehq.org/show_bug.cgi?id=46366

            Bug ID: 46366
           Summary: wordpad from win7 crashes on startup (esi not saved in
                     _initterm)
           Product: Wine
           Version: 4.0-rc3
          Hardware: x86
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: msvcrt
          Assignee: wine-bugs(a)winehq.org
          Reporter: dark.shadow4(a)web.de
      Distribution: ---

Created attachment 63103
  --> https://bugs.winehq.org/attachment.cgi?id=63103
Hack

After working around a few issues, wordpad crashes inside _initterm. Native
msvcrt doesn't help.

You need wordpad.exe and wordpad.exe.mui from win7.

Then you'll need "winetricks mfc42".
Also will need native uiribbon and uxtheme.

Last, you'll need attached hack to work around bug 43670 and fix the issue this
bug is about.

The problem seems to be that the called function doesn't save esi, but gcc
assumes it is. At least, it works when manually saving esi, or changing the
code so that gcc doesn't use esi in the first place.

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[Bug 46366] wordpad from win7 crashes on startup ( esi not saved in _initterm)

https://bugs.winehq.org/show_bug.cgi?id=46366

Piotr Caban <piotr.caban(a)gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |piotr.caban(a)gmail.com

--- Comment #1 from Piotr Caban <piotr.caban(a)gmail.com> ---
_initterm is supposed to call __cdecl functions that are responsible for
preserving ESI register. That's why it should not need to save/restore it. It
looks like native is also not doing it taking it account that it crashes when
it's used as well. You should probably check what functions are called by
_initterm, maybe e.g. one of them is implemented in wine and needs to be fixed.

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