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From: Stephen Leake <stephen.a.leake.1@gsfc.nasa.gov>
Newsgroups: comp.lang.ada
Subject: Re: newbie: Problem with calling functions in shared library
Date: 21 Mar 2001 13:28:03 -0500
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"Fokker Space" <F.Space@fokkerspace.nl> writes:

> I have a question regarding Ada and libraries with the use of GNAT. We have
> the following situation under operating system IRIX:
> 
> 1) Ada source without main routine -> compile with gnatmake or gcc -> Get a
> <name>.o file
> 2) Link the <name>.o file to a shared library <name>.so with the use of
> gnatlink
> 3) An exe (from a C-source) loads the shared library with the
> dlopen-function.
> 4) The exe determines the places of procedures and functions in the shared
> library with the dlsym-function and calls them.
> 
> The problem is that I keep getting crashes when calling the functions in
> the shared library. When I compile the same Ada source with the C-source
> into a seperate exe the problem doesn't occur. I suspect I am compiling or
> linking the shared library with the wrong flags or something like that.
> 
> Does anybody know what to do it this situation 

Do you call adainit and adafinal? Read the GNAT manual section on Ada
code with non-Ada main.

> or (even better) have a small example of a working program?

Only on Windows NT.

> 
> 
> Bart Schipperijn

-- 
-- Stephe