Enhance the base/rom extension to generate the symbol file of the rom built.
The symbol file is placed in epoc32/rom/<baseport_name>, along with the rom log and final oby file.
EXPORTS
Test2__8TestDll1 @ 1 NONAME
Data__8TestDll1 @ 2 NONAME
GlobalAlloc__8TestDll1i @ 3 NONAME
GlobalAllocated__8TestDll1 @ 4 NONAME
GlobalRead__8TestDll1iR5TDes8 @ 5 NONAME
GlobalWrite__8TestDll1iRC6TDesC8 @ 6 NONAME
Sem__8TestDll1 @ 7 NONAME
Server__8TestDll1 @ 8 NONAME
SetData__8TestDll1i @ 9 NONAME
Test1__8TestDll1 @ 10 NONAME
Attach__8TestDll1i @ 11 NONAME ; TestDll1::Attach(int)