Tag: Arduino IDE

Link-Time Optimization and Debugging of Object-Oriented Programs on AVR MCUs

The featured image of this post is based on a picture by TheDigitalArtist on Pixabay.

Link-time optimization (LTO) is a very powerful compiler-optimization technique. As I noticed, it does not go very well together with debugging object-oriented programs under GCC, at least for AVR MCUs. I noticed that in the context of debugging an Arduino program and it took me quite a while to figure out that LTO is the culprit.

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Debugging(3): Debugging is Like Being the Detective in a Crime Movie Where You are Also the Murderer

Featured picture: OpenClipart-Vectors on Pixabay.

One has to add to the title (quoted from a tweet by Filipe Fortes) that the detective suffers from a memory loss. Otherwise, the case could be solved easily. Similarly with debugging: If I only knew what nasty things I have hidden in the source code, I could just remove them – but I simply do not know. In this blog post, we will have a look on what kind of tools one could use to find the skeletons hidden in the closet.

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