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gdb: debug remote protocol

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Ciro Santilli 六四事件 法轮功
2018-10-31 17:00:07 +00:00
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@@ -1824,6 +1824,17 @@ Bibliography:
* https://wiki.linaro.org/LandingTeams/ST/GDB
* https://events.static.linuxfound.org/sites/events/files/slides/Debugging%20the%20Linux%20Kernel%20with%20GDB.pdf presentation: https://www.youtube.com/watch?v=pqn5hIrz3A8
=== Debug the GDB remote protocol
For when it breaks again, or you want to add a new feature!
....
./run --debug
./run-gdb --before '-ex "set remotetimeout 99999" -ex "set debug remote 1"' start_kernel
....
See also: https://stackoverflow.com/questions/13496389/gdb-remote-protocol-how-to-analyse-packets
== KGDB
KGDB is kernel dark magic that allows you to GDB the kernel on real hardware without any extra hardware support.