[fpc-pascal] Re: LuaJIT 2 crashes under FPC+Win64. SEH issue?

[Reinier Olislagers]

On 2-3-2013 11:42, denisgolovan wrote:
> Hi all
> 
> Currently I am trying to make work attached code under Win64.
> It uses LuaJIT 2 as drop-in replacement to Lua.
> 
> The code works fine under Linux32, Linux64, Win32, but not under Win64.
> Under Win64 it crashes with unhandled exception like following:
> 
> An unhandled exception occurred at $0000000077D67D9D:
> EControlC: Control-C hit
>   $0000000077D67D9D
> 
> The same dll works fine under gcc/msvc complied project (luajit.exe interpreter which comes in box).
> 
> The idea of the attached code is following:
> - try to calculate _invalid_ Lua code
> - return Lua error (not exception).
> 
> The problem seems to have something to do with exception handling under Win64 as LuaJIT 2 using native exceptions in its dll.
> But it does not mean that C exceptions should be catched by FPC.  I understand that's not possible.
> lua_pcall should handle those internally (like under Linux64).
> 
> It looks like some issue in FPC prevents LuaJIT catch its own exception under Win64.

Yep, it seems like issue is exception handling (similar to issue
http://bugs.freepascal.org/view.php?id=21581
etc)
Try compiling FPC with -dTEST_WIN64_SEH and try again...

To the devs: any news about Win64 SEH code progress?