[ECOS] _impure_ptr ??
Mon Mar 24 21:42:00 GMT 2003
I once proposed this, it has been rejected.
and related postings.
On Montag, 24. MÃ¤rz 2003 22:25, Bart Veer wrote:
> >>>>> "Bob" == Bob Koninckx <email@example.com> writes:
> Bob> This redefinition of __xca_pure_virtual seems to solve the
> Bob> problem. No more link errors, application runs fins.
> Bob> Apparently, the compiler pulls this function in as soon as
> Bob> you have at least one pure virtual function in your
> Bob> application.
> I have now reproduced this. Using a pure virtual function used to pull
> in a function __pure_virtual_called() or something like that, which
> was provided by libgcc.a and just aborted the application. That could
> happen if somehow you managed to call a virtual function while the
> base object was still being constructed, before the derived class
> constructor had updated the virtual function table. Nowadays it
> pulls in a more complicated __cxa_pure_virtual() from
> libstdc++-v3/libsup++/pure.cc which has additional library
> dependencies, unwanted ones in an eCos setup.
> I think we want to put our own dummy __cxa_pure_virtual() into
> CYGPKG_HAL or CYGPKG_INFRA. Jifl, any preferences ?
> Bart Veer eCos Configuration Architect
> http://www.ecoscentric.com/ The eCos and RedBoot experts
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