Debugging Multiple Binaries in Eclipse with GNU Debugger

Good bit of intel from Erich Styger over at MCU on Eclipse, who always gives solid Eclipse tips-n-tricks advice.

When working and debugging a bootloader, debugging can be a challenge: During debugging the bootloader, a new binary gets loaded into the microcontroller address space which is unknown to the debugger. As soon as I step into the newly loaded binary, I only see assembly code, with that ugly “No source available” in Eclipse:

But wait: GDB is able to do pretty much everything you can imagine, so here is how to debug multiple binaries with GDB and Eclipse, and to turn the above into something which is easy to debug:

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