How to 'link' object file to executable/compiled binary?

Question

Problem

I wish to inject an object file into an existing binary. As a concrete example, consider a source Hello.c:

#inc         


        

Answer 1

Have you looked at the DyninstAPI? It appears support was recently added for linking a .o into a static executable.

From the release site:

Binary rewriter support for statically linked binaries on x86 and x86_64 platforms