An embodiment relates generally to a method of optimization in a run-time execution environment. The method includes providing for a plurality of symbol tables, each symbol table associated with a respective object, the plurality of objects being linked to create a runtime version of a program. The method also includes searching through a selected symbol table of the plurality of symbol tables and determining a symbol type of an entry in the selected symbol table. The method further includes executing a callback function in response to the symbol type being an special symbol table entry and returning the address of an optimized function for the entry in the selected symbol table.