Program segmented loading and running method and device

The invention relates to the technical field of computers. The embodiment of the invention provides a program segmented loading and running method and device. The method comprises the steps of setting a starting guide program used for guiding a program and carrying out segmented loading operation on the program, and further comprises the steps of seeting a loading address and taking the loading address as a parameter of a previous program segment of a program segment to be loaded used for identifying an address of the program segment to be loaded; setting an export function list, wherein the export function list is used for storing functions which are used for being called by subsequent program segments in the loaded program segments; setting a table look-up function, wherein the table look-up function is used for executing functions in the derived function list according to input parameters of the table look-up function; and realizing segmented loading operation of the program through the loading address, th