Section notes: Week 14

CS 164, Fall 2005

General

• Questions on assignment 6? Optimizer?
• Linking, loading, Lisping
• Adding interfaces to MJ (a review)
• Next week: review for final (Dec 15)

Linking and loading

• What do linkers do?
• Static vs. dynamic linking
• Advantages of dynamic linking
• Dynamic linking and data segments
• Relocation tables and position-independent code
• Name-mangling and cross-language linking
• Link chains
• Managing multiple versions
• Ref: Linkers and Loaders (Levine)
• Ref: The Inside Story on Shared Libraries and Dynamic Loading
  (Beazley, Warde, and Cooke, Computing in Science and Engineering vol 3, num 5)

Compiling closures

• Non-nested lifetimes and the problem of closures
• Run-time support for closures
• Functor objects in C++
• Ref: Lisp in Small Pieces

Adding interfaces to MJ

• Why interfaces (pedagogically and in real life)?
• Lexical implications
• Parsing interfaces
• Type-checking interfaces
• Representing interfaces at run time
• Compiling interfaces