book on internals of debugger?

Hello,
    Could anyone please recommand me a book/literature/course on internals
of debugger. For example, when user sets a break- point in a debugger,
s/he may say "stop at 375 in display.c". Then how does debugger map
source code line 375 to the object file (line) compiled with -g option?
What information does debugger need? How does it make a use of the
debugging information? In general, what steps does debugger take to
perform its operations?


    Any help will be greatly appreciated.


    Anurag Jain (ajain@ca.merl.com)


PS: Regardless of performance, algorithms that a debugger uses to perform
its major operations (like setting a break point) will also be helpful.
[Are these collected in a book anywhere, or are they all just folklore? -John]
--

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