How to write native (i.e. C/C++) plugin for gdb?

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Hi Everybody,

I'm about to write a plugin to deal with complicated data (Java VM
coredump).

Unfortunately, python is not an option, as I plan to re-use already
existing C++ code of JVM to access internal structures.

Is there API, documentation, examples of such plugin?

Any advice is much appreciated.

- -Dmitry

- -- 
Dmitry Samersoff
Saint Petersburg, Russia, http://devnull.samersoff.net
* There will come soft rains  ...
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