This series has been expanded into a book! It covers many more topics in much greater detail. You can now pre-order Building a Debugger. Debuggers are one of the most valuable tools in any developer’s kit. However, although these tools are in such widespread use, there aren’t a lot of resources which tell you how they work and how to write one1, especially when compared to other toolchain technologies like compilers. In this post series we’ll learn what makes debuggers tick and write one for deb...