Two pass direct linking

Question

In a two pass direct linking loading, write down the function of pass 1?

Answer 1

Pass 1 of the two pass direct linking loader allocates the segments and define symbols. The main purpose of this pass is to allocate a location to each symbol and therefore to define the values of all the external symbols. Each symbol is assigned to the next available location after the preceding segment in order to minimize the amount of storage needed for the total program. Therefore, pass 1 of DLL consists of a function of allocating segments and defining the symbols.