Abstract
Typed Assembly Languages (TALs) can be used to validate the safety of assembly-language programs. However, typing rules are usually trusted as axioms. In this paper, we show how to build semantic models for typing judgments in TALs based on an induction technique, so that both the type-safety theorem and the typing rules can be proved as lemmas in a simple logic. We demonstrate this technique by giving a complete model to a sample TAL. This model allows a typing derivation to be interpreted as a machine-checkable safety proof at the machine level.
This research was supported in part by DARPA award F30602-99-1-0519 and by NSF grant CCR-0208601.
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Tan, G., Appel, A.W., Swadi, K.N., Wu, D. (2004). Construction of a Semantic Model for a Typed Assembly Language. In: Steffen, B., Levi, G. (eds) Verification, Model Checking, and Abstract Interpretation. VMCAI 2004. Lecture Notes in Computer Science, vol 2937. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-24622-0_4
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