5.3.3. Call Operations Implementation

Try these first

1. 1.

   What does a stack pointer do?

   Hint

   Think about how it helps manage stored values.

2. 2.

   Define the term 'procedure call'.

   Hint

   Consider its role in executing functions.

3. 3.

   What must be done before calling a procedure?

   • Push the current context onto the stack
   • Pop values from the stack
   • Jump to the procedure's memory location

   Hint

   Think about the importance of preserving data.

4. 4.

   True or False: The stack pointer increases as values are added to the stack.

   • True
   • False

   Hint

   Consider the direction of how stacks work.

5. 5.

   Design a simple diagram illustrating the stack operations during a procedure call and return, marking the stack pointer positions.

   Hint

   Think about where each register value is stored during both pushing and popping.

6. 6.

   Discuss the consequences of a stack overflow in the context of nested procedure calls.

   Hint

   Consider scenarios where infinite recursive calls could happen.