Program start-up unit, program start-up method, recording medium with start-up processing program recorded, and integrated circuit

A program start-up unit is provided which is capable of starting up a program at high speed and reducing the consumption of a memory. This program start-up unit analyzes the link relation between an application program and a shared library in the whole system, specifies a combination in which the management structure of a load state can be used in common to the utmost among application programs, and uses this management structure as a reference in the whole system.