Static Analysis Based Application Specific Dispatch Table Compaction

Object oriented programming languages are increasingly used in software development for embedded systems as they support elegant programming and easier extensibility. Dispatch table is introduced to support message passing mechanism. For a large number of classes and methods the dispatch table is also larger and needs substantial amount of memory space. But memory size is the main constraint in embedded systems. To overcome this bottleneck we have proposed a static analysis based approach for application specific customization of the dispatch table by removing redundant entries. Hence the size of the table is smaller. Our scheme is independent of underlying storage structure of the table. We have tested our proposed approach on real life applications. We have found that our proposed method can safely remove significant number redundant entries during dispatch table construction and hence enhancing the system performance.