Treffer: Coupling Considerations in Assembly Language

Title:
Coupling Considerations in Assembly Language
Contributors:
Naval Air Warfare Center Weapons Division China Lake United States
Publication Year:
2018
Collection:
Defense Technical Information Center: DTIC Technical Reports database
Document Type:
Fachzeitschrift text
File Description:
text/html
Language:
English
Rights:
Approved For Public Release
Accession Number:
edsbas.F56F3D3F
Database:
BASE

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This report discusses coupling issues arising in assembly language source code, as contrasted to similar issues arising in high order language (HOL) source code. Although there are many sources for coupling, this report focuses on data and control coupling because many projects at the Naval Air Warfare Center Weapons Division (NAWCWD) require compliance with DO-178B and DO-178C, which contain guidelines relating to data and control coupling. The projects under consideration are ones where new code is added to a large body of existing legacy code. A coupling measure employed in the literature is suggested for measuring the change in coupling due to code added to the existing legacy code. The coupling measure of the existing legacy code is considered unknown, but its effect on development and maintenance will serve as indicators on whether the coupling measure is high or low. Both cases are considered, and a strategy to address the coupling concerns is formulated.