T32SIM: Integrating Tracing feature of the T32SIM.

After each simulator break, T32Tracer retrieves the latest (16)
trace records from the T32. Memory address and value can now
be evaluated easily from the trace record.

TODO:Nevertheless we still have to traverse the trace to
find the instruction causing the access.

debuggers/t32/src/T32Connector.cc

@@ -78,7 +78,7 @@ int T32Connector::getState() const {
 
 void T32Connector::showMemoryRegions(const memory_map_t& map) const {
 
-  for(int i = 0; i < map.size(); i++){
+  for(unsigned int i = 0; i < map.size(); i++){
     std::cout << "[" << i << "] 0x" << std::hex << map[i].first << " - 0x" << std::hex << map[i].second << std::endl;
   }
 }