[Bug 28089] exception handling code touches stack for exceptions handled by the debugger

http://bugs.winehq.org/show_bug.cgi?id=28089

Anastasius Focht  changed:

What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
                 CC|                            |[e-mail]
     Ever Confirmed|0                           |1

--- Comment #2 from Anastasius Focht  2012-03-10 16:49:08 CST ---
Hello,

besides bug 25853 (Dead Space 2, SecuROM 8) another example is bug 26541
(Dragon Saga).
That game makes excessive use of asm continuations that break when being single
stepped under debugger.
Wine's exception handling code taints the stack, overwriting continuation EIP
in this case.

--- snip ---
...
0158D4B1       68 058A8000     PUSH 00808A05
0158D4B6       8D6424 04       LEA ESP,[ESP+4]
0158D4BA       FF6424 FC       JMP DWORD PTR SS:[ESP-4]
...
--- snip ---

$ wine --version
wine-1.4-78-g94953f1

Regards