You can use the symbol browser window to find out the size of your program:
You will now see the sections that comprise your program together with their addresses and sizes. You can use the symbol browser to view the range of data items and see how much code each individual function takes up.
You can use the symbol browser window to find out where symbols are placed in memory:
You will see a list of groups each containing symbols of a particular type, such as functions, variables and labels. Within each of these groups will be listed each symbol and the address range it occupies in memory.