On: How Does a C Debugger Work? (2014)

[qlk1123]

It writes an invalid instruction at this location. What ever this instruction, it just has to be invalid.

RISC-V actually did this in a special instruction called ebreak. It can change the CPU privileged mode into Debug Mode.

[wazari972 → qlk1123]

Author here.

As I mentioned above, I will rewrite this sentence to include dedicated special instructions. It was a wording mistake not to mention it!