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Chapter 5 - CFM-68K Runtime Conventions

This chapter covers data storage and parameter-passing conventions for the CFM-68K runtime environment. All CFM-68K runtime conventions are language independent. These conventions may be useful for low-level programming (if you are writing in assembly language, for example) or for optimizing higher-level code.

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Chapter Contents

Data Types

Routine Calling Conventions

Parameter Deallocation

Stack Alignment

Fixed-Argument Passing Conventions

Variable-Argument Passing Conventions

Function Value Return

Stack Frames, A6, and Reserved Frame Slots

Register Preservation