The code size is reported by the linker in the console view, e.g.
Generating Symbol table
Generating DWARF data version 2.0
Code Size: 156
Generating MAP file 'C:\tmp\wsp_10.6\test08\FLASH\test08.map'
Additionally you get the code size in the map, at the end:
ExeFile:
--------
Number of blocks to be downloaded: 4
Total size of all blocks to be downloaded: 156
Erich