Issues with dwarf APIs

[Roland McGrath]

>     Regarding the PC, this is definitely not the entry address of the 
> function but the return location from the called function, hence it is 
> between low_pc and high_pc. As I understand that is the right thing to 
> do, giving low_pc or starting address of the function had issues with 
> variable not getting initialized at that instance.

Yes, you have to use the correct exact PC that was stored for that stack frame.
The DWARF info describes how to find a symbolic value in the context of an
exact PC.  For some PC elsewhere in the function, the details may differ hugely.