Automated test-trace inspection for microcontroller binary code

Authors:
Thomas Reinbacher;Jörg Brauer;Daniel Schachinger;Andreas Steininger;Stefan Kowalewski
Affiliations:
Embedded Computing Systems Group, Vienna University of Technology, Austria;Embedded Software Laboratory, RWTH Aachen University, Germany;Embedded Computing Systems Group, Vienna University of Technology, Austria;Embedded Computing Systems Group, Vienna University of Technology, Austria;Embedded Software Laboratory, RWTH Aachen University, Germany
Venue:
RV'11 Proceedings of the Second international conference on Runtime verification
Year:
2011

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Abstract

This paper presents a non-intrusive framework for runtime verification of executable microcontroller code. A dedicated hardware unit is attached to a microcontroller, which executes the program under scrutiny, to track atomic propositions stated as assertions over program variables. The truth verdicts over the assertions are the inputs to a custom-designed μ CPU unit that evaluates past-time LTL specifications in parallel to program execution. To achieve this, the instruction set of the μ CPU is tailored to determining satisfaction of specifications.