How to export specific symbol from executables in GNU/Linux

Question

While loading dynamic libraries by ::dlopen(), exporting symbols from executables can be done by -rdynamic option, but it exports all the symbols o

Answer 1

Is there a way to export just specific function(s)?

We needed this functionality, and added --export-dynamic-symbol option to the Gold linker here.

If you are using Gold, build a recent version and you'll be all set.

If you are not using Gold, perhaps you should -- it's much faster, and has the functionality you need.