[LLVMdev] How to stop symbol searching without aborting

[Robert G. Jakabosky]

Have you tried llvm-lua?  It adds JIT & static compiling support to the Lua VM 
using LLVM as the backend.  I just released version 1.0 about a week ago.

The project website is here:
http://code.google.com/p/llvm-lua/

On Friday 05, Marcus Zetterquist wrote:
> Hi!
>
>
> Today we use Lua to let 3rd party developers add driver-like modules
> to our application.
>
> The advantages to using Lua compared to DLL:s etc. are that:
>
> 1) the same driver binary can be used on all OS:es and processor
> architectures etc.
>
> 2) We can provide a small API to the Lua drivers and they _cannot_
> call any other external functions.
>
> 3) A buggy driver cannot crash our application. (Almost true statement.)
>
>
> I'm looking into using LLVM and the bitcode format for this instead.
> The additional, very important advantages are:
>
> 4) 3rd parties can port existing (huge amounts of) C / C++ code much
> easier - no need to rewrite all code in Lua.
>
> 5) Performance. We will use the LLVM JIT.
>
>
> Problem: I can't figure out how to do (2) with the LLVM JIT.
>
> It is very important that the driver does not have access to any other
> function in the application except those I provide. It's not OK for
> our application to abort if a driver calls an undefined function - I
> want to just disable _that driver_ in that event.
>
> I can use DisableSymbolSearching() but that causes application to
> abort for unknown symbols.
>
>
> Please advice!
>
>
> /Marcus
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-- 
Robert G. Jakabosky