11 Elaboration Order Handling in GNAT

• Elaboration Code in Ada 95
• Checking the Elaboration Order in Ada 95
• Controlling the Elaboration Order in Ada 95
• Controlling Elaboration in GNAT - Internal Calls
• Controlling Elaboration in GNAT - External Calls
• Default Behavior in GNAT - Ensuring Safety
• Elaboration Issues for Library Tasks
• Mixing Elaboration Models
• What to Do If the Default Elaboration Behavior Fails
• Elaboration for Access-to-Subprogram Values
• Summary of Procedures for Elaboration Control
• Other Elaboration Order Considerations

This chapter describes the handling of elaboration code in Ada 95 and in GNAT, and discusses how the order of elaboration of program units can be controlled in GNAT, either automatically or with explicit programming features.