C++ for embedded systems

[Rosimildo da Silva]

Nick.SIMON at syntegra.bt.co.uk wrote:
> 
> Are you really sure you want objects in ROM?  They wouldn't be very
> dynamic!
> 
> We have lots of C++ code running under RTEMS.  Objects, whether globals or
> dynamically created, live in RAM.  Snags are:
> 
> (1)  Performance is hit somewhat by the code inserted by the compiler for
> exception handling.  I haven't found a way to disable this in the compiler,
> else we'd do without EH for performance's sake.


GCC flags:  -fno-exceptions -fno-rtti  should disable exceptions and
RTTI. I have not tested it. Be warned that doing this you'd loose
he ability of using IOSTREAM/STL or Standard C++ library.


-- 
Rosimildo da Silva            rdasilva at connectel.com 
ConnectTel, Inc.              Austin, TX -- USA      
Phone : 512-338-1111          Fax : 512-918-0449     
Mobile: 512-632-7579                                 
Company Page: http://www.connecttel.com              
Home Page: http://members.xoom.com/rosimildo/