created: 06/11/02; revised 11/30/02, 07/06/03, 04/19/09, 05/29/15, 04/14/21

CHAPTER 27 — Stack-based Linkage Convention

The Simple Linkage Convention of the previous chapter lacked some features of high level languages. This chapter adds some of these features in a Stack-based Linkage Convention.

Chapter Topics:

Saving registers on the stack
The Stack-based Linkage Convention
The prolog and epilog of the called subroutine
The call and return of the caller
Nested subroutine calls and the chain of activation
History of linkage conventions
Example program: converting user input to upper case

QUESTION 1:

In the Simple Linkage Convention of the previous chapter, can a subroutine call another subroutine?