38 lines
1.3 KiB
Markdown
38 lines
1.3 KiB
Markdown
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---
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title: Directives
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TARGET DECK: Obsidian::STEM
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FILE TAGS: x86-64
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tags:
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- x86-64
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---
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## Directives
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Assembly lines with a leading `.` are called **directives**. They are used to indicate some additional information about the program.
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%%ANKI
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Basic
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What term describes assembly lines with a leading `.`?
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Back: Directives.
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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<!--ID: 1710959313822-->
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END%%
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%%ANKI
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Basic
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Assembly directives are important for what two programs?
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Back: The assembler and the linker.
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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<!--ID: 1710959313826-->
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END%%
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%%ANKI
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Cloze
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The {`.align N`} directive ensures {data following it starts with an address that is a multiple of `N`}.
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Reference: Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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<!--ID: 1731165663161-->
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END%%
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## Bibliography
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* Bryant, Randal E., and David O'Hallaron. *Computer Systems: A Programmer's Perspective*. Third edition, Global edition. Always Learning. Pearson, 2016.
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