[Xen-devel] How to debug hypervisor in source level?

[eudoxus Ellada <eudoxus101@xxxxxxxxx>]

Hello all,
I am trying to debug hypervisor. I would like to do it in source code
level, similar to the situation debugging kernel by two machines connected
via serial port.
I had noticed that xen makefile contains the option “debug” and
“crash_bug” and there exists gdbstub.c in Xen source, but very few
documentation tells how it works and how to set up the environment.

I build Xen 4.0 with make debug=y optimize=0 crash_debug=y  \
     CMDLINE="console=com1  com1=115200,8n1 earlygdb=y" world
but could’t get it work.

My project prefers source level debugging, so kdb for Xen is not suitable.
How can I set up an environment to be debugging as kgdb does?

Best Regards,

Ethan Chen
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