8. 1 Background ●●● ●●●● ●●●●● ●●●● Execution time ●●0●● ●●●0 ●●●● If memory location is not known at com pile time and o o load time, Binding is delayed until run time absolute code must be generated at run time, if the process can be moved during its execution from one memory segment to another Need hardware support for address mapping(e. g, base and limit registers) Most general-purpose os use this methoe13 8.1 Background ⚫ Execution time ▪ If memory location is not known at compile time and load time, Binding is delayed until run time ▪ absolute code must be generated at run time, if the process can be moved during its execution from one memory segment to another ▪ Need hardware support for address mapping (e.g., base and limitregisters) ▪ Most general-purpose OS use this method