>> apparently it is possible to overload functions in SDCC for STM8, as >> shown recently in the getchar() implementation in one of the previous >> mails. Is this something that can also be done with C routines in a >> project? If yes, is there something like a "__weak" attribute to tell >> the linker which function to use? > 'Overloading' can only be done for functions that reside in a library. The > linker will first link all sources (actually .rel files a.k.a. objects) it > was given and after that it will search missing symbols in the libraries. > So if you provide getchar() in your sources there is no need to search for > it in the libraries and yours will be used. > > This also means that all code in your object files is linked in whether > it's used or not. And objects in the libraries that are not referenced are > not linked in. Also note that all functions in an object are linked in, > not just the missing one. > > Maarten
hello Maarten, thanks (again) for your very good and understandable explanation and have a nice weekend! :-) Georg ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Sdcc-user mailing list Sdcc-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/sdcc-user
