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
?CacheSize@DPTest@@SAHAAI00@Z @ 1 NONAME ; int DPTest::CacheSize(unsigned int &, unsigned int &, unsigned int &)
?EventInfo@DPTest@@SAHAAVTDes8@@@Z @ 2 NONAME ; int DPTest::EventInfo(class TDes8 &)
?FlushCache@DPTest@@SAHXZ @ 3 NONAME ; int DPTest::FlushCache(void)
?SetCacheSize@DPTest@@SAHII@Z @ 4 NONAME ; int DPTest::SetCacheSize(unsigned int, unsigned int)
?Attributes@DPTest@@SAKXZ @ 5 NONAME ; unsigned long DPTest::Attributes(void)