Stack overflow recognition

There is no exact way how to recognize stack overflow from just a regular MPU error.

One idea can be to recognize a stack overflow as an access that is close to the stack boundary. There may be a higher probability of stack overflow when the error address stored in DEADD is close to the stack boundary, but it is not guaranteed at all. The problem comes with defining "close". It can be a low number when a variable that is being accessed is right next to the stack boundary and quite a high number when the accessed variable is a part of a complex structure.