[Bug 7036] Doom 3 Demo fails to start

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=7036





--- Comment #12 from Jim Cameron <jim_24601 at btinternet.com>  2008-08-22 17:12:31 ---
Created an attachment (id=15553)
 --> (http://bugs.winehq.org/attachment.cgi?id=15553)
Force stack alignment when starting process

Adds an assembly wrapper around the process entry point in start_process to
force the stack alignment to a given value mod 16. wine_call_with_stack_align
is modelled on wine_call_on_stack, but I realised half way through that we
can't rely on the Windows program to preserve esi, which makes the assembly
code a bit uglier. Setting 'align' to 8 matches Windows XP and makes the Doom3
demo work.


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