Where Can I find info on advanced debugging using dbx on AIX?.

Where Can I find info on advanced debugging using dbx on AIX, by advance i mean debugging threaded applications that call your shared library. and i do not own the threaded applications.. but thy call my functions from shared library(its like a plugin)..

From stackoverflow

• Try these:

  http://publib.boulder.ibm.com/infocenter/systems/index.jsp?topic=/com.ibm.aix.genprogc/doc/genprogc/dbx_symbolic_debug.htm

  http://delphiwww.cern.ch/~dellib/tutorial/node22.html