[fpc-pascal] Mozilla XPCOM

[Jonas Maebe]

On 04 Jun 2010, at 00:23, José Mejuto wrote:

> Thursday, June 3, 2010, 6:51:22 PM, you wrote:
>
> JM> Since the RTL is compiled with optimisation enabled, you may
> JM> be missing intermediate stack frames. You will have to recompile
> JM> it without optimisations to get a full backtrace.
>
> Done, the halt is in fpc code:
>
> ---------------------------------------
> Function fpc_Catches(Objtype : TClass) : TObject;[Public, Alias :  
> 'FPC_CATCHES']; compilerproc;
> var
>  _Objtype : TExceptObjectClass;
>  _ExceptObjectStack : PExceptObject;
> begin
>  _ExceptObjectStack:=ExceptObjectStack;
>  If _ExceptObjectStack=Nil then
>   begin
> {$ifdef excdebug}
>     Writeln ('Internal error.');
> {$endif}
>     halt (255);
>   end;
> [...]
> ---------------------------------------
>
> And this is the backtrace. Any idea ?

Maybe you are executing Pascal code in threads that have not been  
started via the FPC rtl? (i.e., not via beginthread nor via  
tthread.create) That is not supported on Unix platforms.


Jonas