ACE/TAO on RTEMS

[Joel Sherrill]

Sergei Organov wrote:
> 
> Joel,
> 
> Are gcc flag '-ffunction-sections' and ld flag '--gc-sections' available for
> your target? Do you use them?

I am test building on sparc-rtems (elf) which should support those
options.
Clearly that would be a nice thing to do.  Does that work with the 
regular RTEMS Makefile's or do we have to do something special
to account for the plethora of sections?

> BR,
> Sergei Organov.
> 
> Joel Sherrill <joel.sherrill at oarcorp.com> writes:
> > Hi,
> >
> > I am havnig some initial success building ACE/TAO.  I have
> > managed to build ACE and link all the tests without error.
> > I am now compiling TAO.  It appears that the ACE test executables
> > are quite large.  Any thoughts:
> >
> > bash$ sparc-rtems-size *Test
> >    text          data     bss     dec     hex filename
> > 2156192        139232   43796 2339220  23b194 ARGV_Test
> > 2156448        139104   43796 2339348  23b214 Aio_Platform_Test
> > 2158960        139888   43796 2342644  23bef4 Atomic_Op_Test
> > 2164400        140016   43796 2348212  23d4b4 Auto_IncDec_Test
> > 2156928        139104   43796 2339828  23b3f4 Barrier_Test
> > 2155728        139136   43796 2338660  23af64 Basic_Types_Test
> > 2167744        140592   43796 2352132  23e404 Buffer_Stream_Test
> > 2247104        142688   43796 2433588  252234 CDR_File_Test
> > 2207968        141376   43796 2393140  248434 CDR_Test
> > 2263824        144928   43796 2452548  256c44 Cache_Map_Manager_Test
> > 2378256        157392   43796 2579444  275bf4 Cached_Accept_Conn_Test
> > 2359312        154544   43796 2557652  2706d4 Cached_Conn_Test
> > 2204864        141872   43796 2390532  247a04 Capabilities_Test
> > ....
> >
> > I am looking at real .text, not executable file size so that
> > mistake is out.
> >
> > This is a lot of C++ code so there might be some bad combination
> > of options that is contributing to things.  The compile options
> > are "-fno-implicit-templates -fno-rtti -DACE_LACKS_RTTI ".  Could
> > I do better?
> >
> > I know ACE/TAO can be subsetted but am not looking at that since
> > I am focuing on building everything. :)
> >
> > --
> > Joel Sherrill, Ph.D.             Director of Research & Development
> > joel at OARcorp.com                 On-Line Applications Research
> > Ask me about RTEMS: a free RTOS  Huntsville AL 35805
> >    Support Available             (256) 722-9985

-- 
Joel Sherrill, Ph.D.             Director of Research & Development
joel at OARcorp.com                 On-Line Applications Research
Ask me about RTEMS: a free RTOS  Huntsville AL 35805
   Support Available             (256) 722-9985