I am wrong about comment #3. In fact the debug sections are kept in object files. In the final link stage, with option "-flto -g", we will see them in final image file. But the problem still exists, no mix view.
I am wrong about comment #3. In fact the debug sections are kept in object files. In the final link stage, with option "-flto -g", we will see them in final image file. But the problem still exists, no mix view.