[Mono-dev] Data Execution Prevention and dynamic methods codegen

[Zoltan Varga]

Hi,

  This is tracked as:
https://bugzilla.novell.com/show_bug.cgi?id=320036

   Zoltan

2008/4/8 Aras Pranckevicius <aras at unity3d.com>:
> Hi,
>
>  We have a problem in that when Data Execution Prevention (DEP) on
>  Windows XP/Vista is on, some Mono scripts can't be executed.
>
>  When debugging the thing, it looks like sometimes mono-codeman
>  allocates memory through raw malloc instead of VirtualAlloc with
>  proper execute flags. Specifically for "dynamic" methods new_codechunk
>  in mono-codeman.c uses CODE_FLAG_MALLOC flag.
>
>  If I make new_codechunk always use CODE_FLAG_MMAP flag, the scripts
>  that were problematic under DEP start working properly. But I don't
>  know which methods have "dynamic" flag in Mono, and what implications
>  that change might have. Any ideas on how to make it properly?
>
>
>  --
>  Aras Pranckevičius
>  work: http://unity3d.com
>  home: http://aras-p.info
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