Debugging with GDB

http://openocd.org/doc/html/GDB-and-OpenOCD.html

http://openocd.org/doc/html/Server-Configuration.html#gdbconfigurati

https://www.aosabook.org/en/gdb.html

https://stackoverflow.com/questions/38033130/how-to-use-the-gdb-gnu-debugger-and-openocd-for-microcontroller-debugging-fr

http://www.nostalcomp.cz/plan80.php

https://sourceware.org/gdb/wiki/BuildingCrossGDBandGDBserver

https://jacobmossberg.se/posts/2018/08/11/run-c-program-bare-metal-on-arm-cortex-m3.html
https://jacobmossberg.se/posts/2017/01/17/use-gdb-on-arm-assembly-program.html

https://gnu-mcu-eclipse.github.io/toolchain/arm/install/

https://gnu-mcu-eclipse.github.io/debug/openocd/

https://gnu-mcu-eclipse.github.io/debug/install/

https://erika.tuxfamily.org/wiki/index.php?title=Tutorial:_STM32_-_Integrated_Debugging_in_Eclipse_using_GNU_toolchain

http://openocd.org/doc-release/html/CPU-Configuration.html#Target-List

https://jacobmossberg.se/posts/2018/08/11/run-c-program-bare-metal-on-arm-cortex-m3.html