How to runtime debug shared libraries?

Question

Can anyone tell me how to do runtime debugging on shared libraries?

I need to runtime-debug a function in my shared library, but its called by another program. How c

Answer 1

I remember testing shared libraries by creating a mock app that used it. If you are willing to do a lot of work, you could create a second, mock shared library that just collects information about how the library is being used by the third party app, and then have your mock app replay that information.

Of course, never doubt the power of well placed printf and fprintf calls.