[fpc-devel]FPC 1.0.8 - dont load many DLL

Michael Van Canneyt michael.vancanneyt at wisa.be
Fri Jun 13 10:02:59 CEST 2003


On Fri, 13 Jun 2003, Zbigniew Kuczbanski wrote:

>
> ----- Original Message -----
> From: "Pierre Muller" <pierre at freepascal.org>
> To: <fpc-devel at lists.freepascal.org>
> Sent: Thursday, June 12, 2003 5:17 PM
> Subject: Re: [fpc-devel]FPC 1.0.8 - dont load many DLL
>
>
> > At 16:59 12/06/2003, Peter Vreman wrote:
> > >At 08:55 12-6-2003, you wrote:
> > >>Hi,
> > >>I download new version FPC 1.0.8 (05-06-2003)   from FTP for Win32.
> > >>I need use FPC to create DLL for Win32 system and load many DLL in one
> > >>apllication.
> > >>
> > >>And I have problem, because only fist DLL is load correctly. Next DLL I
> cant
> > >>load.
> > >>Any sugestions?
> > >
> > >Here is no problem:
> > >
> > >C:\down>testdll
> > >DLL1 is loaded
> > >DLL2 is loaded
> > I suspect that your problem does copme from some
> > options that you use (options that might be hidden in your config file).
> >
> > By default all generated DLL get the same Image Base 0x10000000.
> > Thus to be able to load two DLL compiled without specifying
> > the ImageBase, you will need to generate relocatable DLLs.
> >
> > In order to get a relocatable DLL, you need to use -WR option,
> > which is incompatible with debugging information
> > (because the relocation process tried to relocate some values
> > in the debugging sections, but fails to do that correctly
> > and changes the relocation section itself..
> > leading to an unsuable DLL).
> >
> > The other solution is to specify explicitly another ImageBase
> > for the second DLL using
> > -WB11000000 for instance.
>
> Thanks, This work fine.
> I heve suggestions, its possible to add this information to documentation,
> for example in prog.pdf section "Programming shared libraries". This is VERY
> important information for Win32 DLL.

I will add this to the documentation.

Michael.





More information about the fpc-devel mailing list