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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Strong-DISM: A First Attempt to a Dynamically Typed Assembly Language (D-TAL)

Hernandez, Ivory 03 November 2017 (has links)
Dynamically Typed Assembly Language (D-TAL) is not only a lightweight and effective solution to the gap generated by the drop in security produced by the translation of high-level language instructions to low-level language instructions, but it considerably eases up the burden generated by the level of complexity required to implement typed assembly languages statically. Although there are tradeoffs between the static and dynamic approaches, focusing on a dynamic approach leads to simpler, easier to reason about, and more feasible ways to understand deployment of types over monomorphically-typed or untyped intermediate languages. On this occasion, DISM, a simple but powerful and mature untyped assembly language, is extended by the addition of type annotations (on memory and registers) to produce an instance of D-TAL. Strong-DISM, the resulting language, statically, lends itself to simpler analysis about type access and security as the correlation between datatypes and instructions with their respective memory and registers becomes simpler to observe; while dynamically, it disallows operations and further eliminates conditions that from high level languages could be used to violate/circumvent security.

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