Software and Programmer Efficiency Research Group

ShadowData is a framework to attach shadow state, or meta data in general, to heap objects in Java. Doing this correctly and efficiently isn't exactly trivial. The ShadowData framework implements two different approaches, and the related paper discusses the issues involved.

Download

Here you can download source codes of a simplified SWAT Leak Detector written in Java. There are two versions that differ in the underlying ShadowData implementation: hash map and heap tagging.

• Hash map implementation.
• Heap tagging implementation.

Getting Started

To build and run the examples follow the README files. Please don't hesitate to send comments and report bugs to Matej Vitásek.

Publication

• PASTE'13: ShadowData: Shadowing Heap Objects in Java