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For C programmers, using GDB for C++ applications could be daunting task. I have learned following lessons:

    • Always pass fully qualified name of a function such as namespace_1::class_1::function1
    • You can’t put a breakpoint on a template function.
      • The easiest way is to put the breakpoint on the line number of the template function.
    • C++ application’s core is legible if you interpret it ignoring name mangling of functions.
 ==> ns::class_a::functionB()