Export non comdat read onyl symbols

Author: ThadHouse

DefFileGenerator/bindexplib.cpp

@@ -311,7 +311,10 @@ class DumpSymbols
                    symbol.find("$iexit_thunk") == std::string::npos &&
                    symbol.find("$exit_thunk") == std::string::npos)) {
                 if (!pSymbolTable->Type && (SectChar & IMAGE_SCN_MEM_WRITE)) {
-                  // Read only (i.e. constants) must be excluded
+                  this->DataSymbols.insert(symbol);
+                } else if ((SectChar & IMAGE_SCN_MEM_READ) && !
+                           (SectChar & IMAGE_SCN_LNK_COMDAT)) {
+                  // Read only (i.e. constants) only included if not COMDAT
                   this->DataSymbols.insert(symbol);
                 } else {
                   if (pSymbolTable->Type || !(SectChar & IMAGE_SCN_MEM_READ) ||