Learn to Program with Assembly: Foundational Learning for New Programmers

© The Author(s), under exclusive license to APress Media, LLC, part of Springer Nature 2021

J. BartlettLearn to Program with Assemblyhttps://doi.org/10.1007/978-1-4842-7437-8_13

13. Common and Useful Assembler Directives

Jonathan Bartlett¹  

(1)

Tulsa, OK, USA

 

The GNU Assembler has a whole plethora of directives, and this book only has the space for a few of them. Nonetheless, only a small handful are widely used. We have covered a number of them—.section, .quad, .ascii, .equ, etc. Here, we will look at several that are helpful, useful, or you are likely to see when looking at other code.

13.1 Reserving Space for Data

So far, we have used the .quad directive extensively and a little bit with the .byte directive. Along those lines there are two other ...