Bytecode Instrumentation

| 2004 JavaOne

Conference | Session 3042 Copyright Hewlett Packard Co., 2004.

What’s Hard?

•

Class Pool size bloat

─ “Dead entry” elimination requires whole class

analysis

• Method size bloat

─ Multiple return points

• Exception unwinding through frames

─ Keeping entry/exit data consistent

• Instrumenting classes early – BCI in Java

• Making BCI work – Debugging BCI written in C