+static char TypeCharForSymbol(GlobalValue &GV) {
+ if (GV.isDeclaration()) return 'U';
+ if (GV.hasLinkOnceLinkage()) return 'C';
+ if (GV.hasCommonLinkage()) return 'C';
+ if (GV.hasWeakLinkage()) return 'W';
+ if (isa<Function>(GV) && GV.hasInternalLinkage()) return 't';
+ if (isa<Function>(GV)) return 'T';
+ if (isa<GlobalVariable>(GV) && GV.hasInternalLinkage()) return 'd';
+ if (isa<GlobalVariable>(GV)) return 'D';
+ if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(&GV)) {
+ const GlobalValue *AliasedGV = GA->getAliasedGlobal();
+ if (isa<Function>(AliasedGV)) return 'T';
+ if (isa<GlobalVariable>(AliasedGV)) return 'D';
+ }
+ return '?';
+}
+
+static void DumpSymbolNameForGlobalValue(GlobalValue &GV) {
+ // Private linkage and available_externally linkage don't exist in symtab.
+ if (GV.hasPrivateLinkage() ||
+ GV.hasLinkerPrivateLinkage() ||
+ GV.hasLinkerPrivateWeakLinkage() ||
+ GV.hasAvailableExternallyLinkage())
+ return;
+ char TypeChar = TypeCharForSymbol(GV);
+ if (GV.hasLocalLinkage () && ExternalOnly)
+ return;
+
+ NMSymbol s;
+ s.Address = object::UnknownAddressOrSize;
+ s.Size = object::UnknownAddressOrSize;
+ s.TypeChar = TypeChar;
+ s.Name = GV.getName();
+ SymbolList.push_back(s);
+}
+
+static void DumpSymbolNamesFromModule(Module *M) {
+ CurrentFilename = M->getModuleIdentifier();
+ std::for_each (M->begin(), M->end(), DumpSymbolNameForGlobalValue);
+ std::for_each (M->global_begin(), M->global_end(),
+ DumpSymbolNameForGlobalValue);
+ if (!WithoutAliases)
+ std::for_each (M->alias_begin(), M->alias_end(),
+ DumpSymbolNameForGlobalValue);
+
+ SortAndPrintSymbolList();
+}
+
+static void DumpSymbolNamesFromObject(ObjectFile *obj) {
+ error_code ec;
+ symbol_iterator ibegin = obj->begin_symbols();
+ symbol_iterator iend = obj->end_symbols();
+ if (DynamicSyms) {
+ ibegin = obj->begin_dynamic_symbols();
+ iend = obj->end_dynamic_symbols();
+ }
+ for (symbol_iterator i = ibegin; i != iend; i.increment(ec)) {
+ if (error(ec)) break;
+ uint32_t symflags;
+ if (error(i->getFlags(symflags))) break;
+ if (!DebugSyms && (symflags & SymbolRef::SF_FormatSpecific))
+ continue;
+ NMSymbol s;
+ s.Size = object::UnknownAddressOrSize;
+ s.Address = object::UnknownAddressOrSize;
+ if (PrintSize || SizeSort) {
+ if (error(i->getSize(s.Size))) break;
+ }
+ if (PrintAddress)
+ if (error(i->getAddress(s.Address))) break;
+ if (error(i->getNMTypeChar(s.TypeChar))) break;
+ if (error(i->getName(s.Name))) break;
+ SymbolList.push_back(s);
+ }
+
+ CurrentFilename = obj->getFileName();
+ SortAndPrintSymbolList();
+}
+
+static void DumpSymbolNamesFromFile(std::string &Filename) {
+ if (Filename != "-" && !sys::fs::exists(Filename)) {
+ errs() << ToolName << ": '" << Filename << "': " << "No such file\n";