1 //===-- LLVMSymbolize.cpp -------------------------------------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // Implementation for LLVM symbolization library.
12 //===----------------------------------------------------------------------===//
14 #include "llvm/DebugInfo/Symbolize/Symbolize.h"
16 #include "llvm/ADT/STLExtras.h"
17 #include "llvm/Config/config.h"
18 #include "llvm/DebugInfo/DWARF/DWARFContext.h"
19 #include "llvm/DebugInfo/PDB/PDB.h"
20 #include "llvm/DebugInfo/PDB/PDBContext.h"
21 #include "llvm/Object/ELFObjectFile.h"
22 #include "llvm/Object/MachO.h"
23 #include "llvm/Object/SymbolSize.h"
24 #include "llvm/Support/COFF.h"
25 #include "llvm/Support/Casting.h"
26 #include "llvm/Support/Compression.h"
27 #include "llvm/Support/DataExtractor.h"
28 #include "llvm/Support/Errc.h"
29 #include "llvm/Support/FileSystem.h"
30 #include "llvm/Support/MemoryBuffer.h"
31 #include "llvm/Support/Path.h"
38 #pragma comment(lib, "dbghelp.lib")
40 // Windows.h conflicts with our COFF header definitions.
41 #ifdef IMAGE_FILE_MACHINE_I386
42 #undef IMAGE_FILE_MACHINE_I386
49 // FIXME: Move this to llvm-symbolizer tool.
50 static bool error(std::error_code ec) {
53 errs() << "LLVMSymbolizer: error reading file: " << ec.message() << ".\n";
57 static DILineInfoSpecifier
58 getDILineInfoSpecifier(const LLVMSymbolizer::Options &Opts) {
59 return DILineInfoSpecifier(
60 DILineInfoSpecifier::FileLineInfoKind::AbsoluteFilePath,
64 ModuleInfo::ModuleInfo(ObjectFile *Obj, DIContext *DICtx)
65 : Module(Obj), DebugInfoContext(DICtx) {
66 std::unique_ptr<DataExtractor> OpdExtractor;
67 uint64_t OpdAddress = 0;
68 // Find the .opd (function descriptor) section if any, for big-endian
70 if (Module->getArch() == Triple::ppc64) {
71 for (section_iterator Section : Module->sections()) {
73 if (!error(Section->getName(Name)) && Name == ".opd") {
75 if (!error(Section->getContents(Data))) {
76 OpdExtractor.reset(new DataExtractor(Data, Module->isLittleEndian(),
77 Module->getBytesInAddress()));
78 OpdAddress = Section->getAddress();
84 std::vector<std::pair<SymbolRef, uint64_t>> Symbols =
85 computeSymbolSizes(*Module);
86 for (auto &P : Symbols)
87 addSymbol(P.first, P.second, OpdExtractor.get(), OpdAddress);
89 // If this is a COFF object and we didn't find any symbols, try the export
91 if (Symbols.empty()) {
92 if (auto *CoffObj = dyn_cast<COFFObjectFile>(Obj))
93 addCoffExportSymbols(CoffObj);
98 struct OffsetNamePair {
101 bool operator<(const OffsetNamePair &R) const {
102 return Offset < R.Offset;
107 void ModuleInfo::addCoffExportSymbols(const COFFObjectFile *CoffObj) {
108 // Get all export names and offsets.
109 std::vector<OffsetNamePair> ExportSyms;
110 for (const ExportDirectoryEntryRef &Ref : CoffObj->export_directories()) {
113 if (error(Ref.getSymbolName(Name)) || error(Ref.getExportRVA(Offset)))
115 ExportSyms.push_back(OffsetNamePair{Offset, Name});
117 if (ExportSyms.empty())
120 // Sort by ascending offset.
121 array_pod_sort(ExportSyms.begin(), ExportSyms.end());
123 // Approximate the symbol sizes by assuming they run to the next symbol.
124 // FIXME: This assumes all exports are functions.
125 uint64_t ImageBase = CoffObj->getImageBase();
126 for (auto I = ExportSyms.begin(), E = ExportSyms.end(); I != E; ++I) {
127 OffsetNamePair &Export = *I;
128 // FIXME: The last export has a one byte size now.
129 uint32_t NextOffset = I != E ? I->Offset : Export.Offset + 1;
130 uint64_t SymbolStart = ImageBase + Export.Offset;
131 uint64_t SymbolSize = NextOffset - Export.Offset;
132 SymbolDesc SD = {SymbolStart, SymbolSize};
133 Functions.insert(std::make_pair(SD, Export.Name));
137 void ModuleInfo::addSymbol(const SymbolRef &Symbol, uint64_t SymbolSize,
138 DataExtractor *OpdExtractor, uint64_t OpdAddress) {
139 SymbolRef::Type SymbolType = Symbol.getType();
140 if (SymbolType != SymbolRef::ST_Function && SymbolType != SymbolRef::ST_Data)
142 ErrorOr<uint64_t> SymbolAddressOrErr = Symbol.getAddress();
143 if (error(SymbolAddressOrErr.getError()))
145 uint64_t SymbolAddress = *SymbolAddressOrErr;
147 // For big-endian PowerPC64 ELF, symbols in the .opd section refer to
148 // function descriptors. The first word of the descriptor is a pointer to
149 // the function's code.
150 // For the purposes of symbolization, pretend the symbol's address is that
151 // of the function's code, not the descriptor.
152 uint64_t OpdOffset = SymbolAddress - OpdAddress;
153 uint32_t OpdOffset32 = OpdOffset;
154 if (OpdOffset == OpdOffset32 &&
155 OpdExtractor->isValidOffsetForAddress(OpdOffset32))
156 SymbolAddress = OpdExtractor->getAddress(&OpdOffset32);
158 ErrorOr<StringRef> SymbolNameOrErr = Symbol.getName();
159 if (error(SymbolNameOrErr.getError()))
161 StringRef SymbolName = *SymbolNameOrErr;
162 // Mach-O symbol table names have leading underscore, skip it.
163 if (Module->isMachO() && SymbolName.size() > 0 && SymbolName[0] == '_')
164 SymbolName = SymbolName.drop_front();
165 // FIXME: If a function has alias, there are two entries in symbol table
166 // with same address size. Make sure we choose the correct one.
167 auto &M = SymbolType == SymbolRef::ST_Function ? Functions : Objects;
168 SymbolDesc SD = { SymbolAddress, SymbolSize };
169 M.insert(std::make_pair(SD, SymbolName));
172 // Return true if this is a 32-bit x86 PE COFF module.
173 bool ModuleInfo::isWin32Module() const {
174 auto *CoffObject = dyn_cast<COFFObjectFile>(Module);
175 return CoffObject && CoffObject->getMachine() == COFF::IMAGE_FILE_MACHINE_I386;
178 uint64_t ModuleInfo::getModulePreferredBase() const {
179 if (auto *CoffObject = dyn_cast<COFFObjectFile>(Module))
180 return CoffObject->getImageBase();
184 bool ModuleInfo::getNameFromSymbolTable(SymbolRef::Type Type, uint64_t Address,
185 std::string &Name, uint64_t &Addr,
186 uint64_t &Size) const {
187 const auto &SymbolMap = Type == SymbolRef::ST_Function ? Functions : Objects;
188 if (SymbolMap.empty())
190 SymbolDesc SD = { Address, Address };
191 auto SymbolIterator = SymbolMap.upper_bound(SD);
192 if (SymbolIterator == SymbolMap.begin())
195 if (SymbolIterator->first.Size != 0 &&
196 SymbolIterator->first.Addr + SymbolIterator->first.Size <= Address)
198 Name = SymbolIterator->second.str();
199 Addr = SymbolIterator->first.Addr;
200 Size = SymbolIterator->first.Size;
204 DILineInfo ModuleInfo::symbolizeCode(
205 uint64_t ModuleOffset, const LLVMSymbolizer::Options &Opts) const {
207 if (DebugInfoContext) {
208 LineInfo = DebugInfoContext->getLineInfoForAddress(
209 ModuleOffset, getDILineInfoSpecifier(Opts));
211 // Override function name from symbol table if necessary.
212 if (Opts.PrintFunctions != FunctionNameKind::None && Opts.UseSymbolTable) {
213 std::string FunctionName;
214 uint64_t Start, Size;
215 if (getNameFromSymbolTable(SymbolRef::ST_Function, ModuleOffset,
216 FunctionName, Start, Size)) {
217 LineInfo.FunctionName = FunctionName;
223 DIInliningInfo ModuleInfo::symbolizeInlinedCode(
224 uint64_t ModuleOffset, const LLVMSymbolizer::Options &Opts) const {
225 DIInliningInfo InlinedContext;
227 if (DebugInfoContext) {
228 InlinedContext = DebugInfoContext->getInliningInfoForAddress(
229 ModuleOffset, getDILineInfoSpecifier(Opts));
231 // Make sure there is at least one frame in context.
232 if (InlinedContext.getNumberOfFrames() == 0) {
233 InlinedContext.addFrame(DILineInfo());
235 // Override the function name in lower frame with name from symbol table.
236 if (Opts.PrintFunctions != FunctionNameKind::None && Opts.UseSymbolTable) {
237 DIInliningInfo PatchedInlinedContext;
238 for (uint32_t i = 0, n = InlinedContext.getNumberOfFrames(); i < n; i++) {
239 DILineInfo LineInfo = InlinedContext.getFrame(i);
241 std::string FunctionName;
242 uint64_t Start, Size;
243 if (getNameFromSymbolTable(SymbolRef::ST_Function, ModuleOffset,
244 FunctionName, Start, Size)) {
245 LineInfo.FunctionName = FunctionName;
248 PatchedInlinedContext.addFrame(LineInfo);
250 InlinedContext = PatchedInlinedContext;
252 return InlinedContext;
255 bool ModuleInfo::symbolizeData(uint64_t ModuleOffset, std::string &Name,
256 uint64_t &Start, uint64_t &Size) const {
257 return getNameFromSymbolTable(SymbolRef::ST_Data, ModuleOffset, Name, Start,
261 const char LLVMSymbolizer::kBadString[] = "??";
263 std::string LLVMSymbolizer::symbolizeCode(const std::string &ModuleName,
264 uint64_t ModuleOffset) {
265 ModuleInfo *Info = getOrCreateModuleInfo(ModuleName);
267 return printDILineInfo(DILineInfo(), Info);
269 // If the user is giving us relative addresses, add the preferred base of the
270 // object to the offset before we do the query. It's what DIContext expects.
271 if (Opts.RelativeAddresses)
272 ModuleOffset += Info->getModulePreferredBase();
274 if (Opts.PrintInlining) {
275 DIInliningInfo InlinedContext =
276 Info->symbolizeInlinedCode(ModuleOffset, Opts);
277 uint32_t FramesNum = InlinedContext.getNumberOfFrames();
278 assert(FramesNum > 0);
280 for (uint32_t i = 0; i < FramesNum; i++) {
281 DILineInfo LineInfo = InlinedContext.getFrame(i);
282 Result += printDILineInfo(LineInfo, Info);
286 DILineInfo LineInfo = Info->symbolizeCode(ModuleOffset, Opts);
287 return printDILineInfo(LineInfo, Info);
290 std::string LLVMSymbolizer::symbolizeData(const std::string &ModuleName,
291 uint64_t ModuleOffset) {
292 std::string Name = kBadString;
295 if (Opts.UseSymbolTable) {
296 if (ModuleInfo *Info = getOrCreateModuleInfo(ModuleName)) {
297 // If the user is giving us relative addresses, add the preferred base of the
298 // object to the offset before we do the query. It's what DIContext expects.
299 if (Opts.RelativeAddresses)
300 ModuleOffset += Info->getModulePreferredBase();
301 if (Info->symbolizeData(ModuleOffset, Name, Start, Size) && Opts.Demangle)
302 Name = DemangleName(Name, Info);
305 std::stringstream ss;
306 ss << Name << "\n" << Start << " " << Size << "\n";
310 void LLVMSymbolizer::flush() {
311 DeleteContainerSeconds(Modules);
312 ObjectPairForPathArch.clear();
313 ObjectFileForArch.clear();
316 // For Path="/path/to/foo" and Basename="foo" assume that debug info is in
317 // /path/to/foo.dSYM/Contents/Resources/DWARF/foo.
318 // For Path="/path/to/bar.dSYM" and Basename="foo" assume that debug info is in
319 // /path/to/bar.dSYM/Contents/Resources/DWARF/foo.
321 std::string getDarwinDWARFResourceForPath(
322 const std::string &Path, const std::string &Basename) {
323 SmallString<16> ResourceName = StringRef(Path);
324 if (sys::path::extension(Path) != ".dSYM") {
325 ResourceName += ".dSYM";
327 sys::path::append(ResourceName, "Contents", "Resources", "DWARF");
328 sys::path::append(ResourceName, Basename);
329 return ResourceName.str();
332 static bool checkFileCRC(StringRef Path, uint32_t CRCHash) {
333 ErrorOr<std::unique_ptr<MemoryBuffer>> MB =
334 MemoryBuffer::getFileOrSTDIN(Path);
337 return !zlib::isAvailable() || CRCHash == zlib::crc32(MB.get()->getBuffer());
340 static bool findDebugBinary(const std::string &OrigPath,
341 const std::string &DebuglinkName, uint32_t CRCHash,
342 std::string &Result) {
343 std::string OrigRealPath = OrigPath;
344 #if defined(HAVE_REALPATH)
345 if (char *RP = realpath(OrigPath.c_str(), nullptr)) {
350 SmallString<16> OrigDir(OrigRealPath);
351 llvm::sys::path::remove_filename(OrigDir);
352 SmallString<16> DebugPath = OrigDir;
353 // Try /path/to/original_binary/debuglink_name
354 llvm::sys::path::append(DebugPath, DebuglinkName);
355 if (checkFileCRC(DebugPath, CRCHash)) {
356 Result = DebugPath.str();
359 // Try /path/to/original_binary/.debug/debuglink_name
360 DebugPath = OrigRealPath;
361 llvm::sys::path::append(DebugPath, ".debug", DebuglinkName);
362 if (checkFileCRC(DebugPath, CRCHash)) {
363 Result = DebugPath.str();
366 // Try /usr/lib/debug/path/to/original_binary/debuglink_name
367 DebugPath = "/usr/lib/debug";
368 llvm::sys::path::append(DebugPath, llvm::sys::path::relative_path(OrigDir),
370 if (checkFileCRC(DebugPath, CRCHash)) {
371 Result = DebugPath.str();
377 static bool getGNUDebuglinkContents(const ObjectFile *Obj, std::string &DebugName,
381 for (const SectionRef &Section : Obj->sections()) {
383 Section.getName(Name);
384 Name = Name.substr(Name.find_first_not_of("._"));
385 if (Name == "gnu_debuglink") {
387 Section.getContents(Data);
388 DataExtractor DE(Data, Obj->isLittleEndian(), 0);
390 if (const char *DebugNameStr = DE.getCStr(&Offset)) {
391 // 4-byte align the offset.
392 Offset = (Offset + 3) & ~0x3;
393 if (DE.isValidOffsetForDataOfSize(Offset, 4)) {
394 DebugName = DebugNameStr;
395 CRCHash = DE.getU32(&Offset);
406 bool darwinDsymMatchesBinary(const MachOObjectFile *DbgObj,
407 const MachOObjectFile *Obj) {
408 ArrayRef<uint8_t> dbg_uuid = DbgObj->getUuid();
409 ArrayRef<uint8_t> bin_uuid = Obj->getUuid();
410 if (dbg_uuid.empty() || bin_uuid.empty())
412 return !memcmp(dbg_uuid.data(), bin_uuid.data(), dbg_uuid.size());
415 ObjectFile *LLVMSymbolizer::lookUpDsymFile(const std::string &ExePath,
416 const MachOObjectFile *MachExeObj, const std::string &ArchName) {
417 // On Darwin we may find DWARF in separate object file in
418 // resource directory.
419 std::vector<std::string> DsymPaths;
420 StringRef Filename = sys::path::filename(ExePath);
421 DsymPaths.push_back(getDarwinDWARFResourceForPath(ExePath, Filename));
422 for (const auto &Path : Opts.DsymHints) {
423 DsymPaths.push_back(getDarwinDWARFResourceForPath(Path, Filename));
425 for (const auto &path : DsymPaths) {
426 ErrorOr<OwningBinary<Binary>> BinaryOrErr = createBinary(path);
427 std::error_code EC = BinaryOrErr.getError();
428 if (EC != errc::no_such_file_or_directory && !error(EC)) {
429 OwningBinary<Binary> B = std::move(BinaryOrErr.get());
431 getObjectFileFromBinary(B.getBinary(), ArchName);
432 const MachOObjectFile *MachDbgObj =
433 dyn_cast<const MachOObjectFile>(DbgObj);
434 if (!MachDbgObj) continue;
435 if (darwinDsymMatchesBinary(MachDbgObj, MachExeObj)) {
436 addOwningBinary(std::move(B));
444 LLVMSymbolizer::ObjectPair
445 LLVMSymbolizer::getOrCreateObjects(const std::string &Path,
446 const std::string &ArchName) {
447 const auto &I = ObjectPairForPathArch.find(std::make_pair(Path, ArchName));
448 if (I != ObjectPairForPathArch.end())
450 ObjectFile *Obj = nullptr;
451 ObjectFile *DbgObj = nullptr;
452 ErrorOr<OwningBinary<Binary>> BinaryOrErr = createBinary(Path);
453 if (!error(BinaryOrErr.getError())) {
454 OwningBinary<Binary> &B = BinaryOrErr.get();
455 Obj = getObjectFileFromBinary(B.getBinary(), ArchName);
457 ObjectPair Res = std::make_pair(nullptr, nullptr);
458 ObjectPairForPathArch[std::make_pair(Path, ArchName)] = Res;
461 addOwningBinary(std::move(B));
462 if (auto MachObj = dyn_cast<const MachOObjectFile>(Obj))
463 DbgObj = lookUpDsymFile(Path, MachObj, ArchName);
464 // Try to locate the debug binary using .gnu_debuglink section.
466 std::string DebuglinkName;
468 std::string DebugBinaryPath;
469 if (getGNUDebuglinkContents(Obj, DebuglinkName, CRCHash) &&
470 findDebugBinary(Path, DebuglinkName, CRCHash, DebugBinaryPath)) {
471 BinaryOrErr = createBinary(DebugBinaryPath);
472 if (!error(BinaryOrErr.getError())) {
473 OwningBinary<Binary> B = std::move(BinaryOrErr.get());
474 DbgObj = getObjectFileFromBinary(B.getBinary(), ArchName);
475 addOwningBinary(std::move(B));
482 ObjectPair Res = std::make_pair(Obj, DbgObj);
483 ObjectPairForPathArch[std::make_pair(Path, ArchName)] = Res;
488 LLVMSymbolizer::getObjectFileFromBinary(Binary *Bin,
489 const std::string &ArchName) {
492 ObjectFile *Res = nullptr;
493 if (MachOUniversalBinary *UB = dyn_cast<MachOUniversalBinary>(Bin)) {
494 const auto &I = ObjectFileForArch.find(
495 std::make_pair(UB, ArchName));
496 if (I != ObjectFileForArch.end())
498 ErrorOr<std::unique_ptr<ObjectFile>> ParsedObj =
499 UB->getObjectForArch(ArchName);
501 Res = ParsedObj.get().get();
502 ParsedBinariesAndObjects.push_back(std::move(ParsedObj.get()));
504 ObjectFileForArch[std::make_pair(UB, ArchName)] = Res;
505 } else if (Bin->isObject()) {
506 Res = cast<ObjectFile>(Bin);
512 LLVMSymbolizer::getOrCreateModuleInfo(const std::string &ModuleName) {
513 const auto &I = Modules.find(ModuleName);
514 if (I != Modules.end())
516 std::string BinaryName = ModuleName;
517 std::string ArchName = Opts.DefaultArch;
518 size_t ColonPos = ModuleName.find_last_of(':');
519 // Verify that substring after colon form a valid arch name.
520 if (ColonPos != std::string::npos) {
521 std::string ArchStr = ModuleName.substr(ColonPos + 1);
522 if (Triple(ArchStr).getArch() != Triple::UnknownArch) {
523 BinaryName = ModuleName.substr(0, ColonPos);
527 ObjectPair Objects = getOrCreateObjects(BinaryName, ArchName);
529 if (!Objects.first) {
530 // Failed to find valid object file.
531 Modules.insert(make_pair(ModuleName, (ModuleInfo *)nullptr));
534 DIContext *Context = nullptr;
535 if (auto CoffObject = dyn_cast<COFFObjectFile>(Objects.first)) {
536 // If this is a COFF object, assume it contains PDB debug information. If
537 // we don't find any we will fall back to the DWARF case.
538 std::unique_ptr<IPDBSession> Session;
539 PDB_ErrorCode Error = loadDataForEXE(PDB_ReaderType::DIA,
540 Objects.first->getFileName(), Session);
541 if (Error == PDB_ErrorCode::Success) {
542 Context = new PDBContext(*CoffObject, std::move(Session));
546 Context = new DWARFContextInMemory(*Objects.second);
548 ModuleInfo *Info = new ModuleInfo(Objects.first, Context);
549 Modules.insert(make_pair(ModuleName, Info));
553 std::string LLVMSymbolizer::printDILineInfo(DILineInfo LineInfo,
554 ModuleInfo *ModInfo) const {
555 // By default, DILineInfo contains "<invalid>" for function/filename it
556 // cannot fetch. We replace it to "??" to make our output closer to addr2line.
557 static const std::string kDILineInfoBadString = "<invalid>";
558 std::stringstream Result;
559 if (Opts.PrintFunctions != FunctionNameKind::None) {
560 std::string FunctionName = LineInfo.FunctionName;
561 if (FunctionName == kDILineInfoBadString)
562 FunctionName = kBadString;
563 else if (Opts.Demangle)
564 FunctionName = DemangleName(FunctionName, ModInfo);
565 Result << FunctionName << "\n";
567 std::string Filename = LineInfo.FileName;
568 if (Filename == kDILineInfoBadString)
569 Filename = kBadString;
570 Result << Filename << ":" << LineInfo.Line << ":" << LineInfo.Column << "\n";
574 // Undo these various manglings for Win32 extern "C" functions:
577 // fastcall - @foo@12
578 // vectorcall - foo@@12
579 // These are all different linkage names for 'foo'.
580 static StringRef demanglePE32ExternCFunc(StringRef SymbolName) {
581 // Remove any '_' or '@' prefix.
582 char Front = SymbolName.empty() ? '\0' : SymbolName[0];
583 if (Front == '_' || Front == '@')
584 SymbolName = SymbolName.drop_front();
586 // Remove any '@[0-9]+' suffix.
588 size_t AtPos = SymbolName.rfind('@');
589 if (AtPos != StringRef::npos &&
590 std::all_of(SymbolName.begin() + AtPos + 1, SymbolName.end(),
591 [](char C) { return C >= '0' && C <= '9'; })) {
592 SymbolName = SymbolName.substr(0, AtPos);
596 // Remove any ending '@' for vectorcall.
597 if (SymbolName.endswith("@"))
598 SymbolName = SymbolName.drop_back();
603 #if !defined(_MSC_VER)
604 // Assume that __cxa_demangle is provided by libcxxabi (except for Windows).
605 extern "C" char *__cxa_demangle(const char *mangled_name, char *output_buffer,
606 size_t *length, int *status);
609 std::string LLVMSymbolizer::DemangleName(const std::string &Name,
610 ModuleInfo *ModInfo) {
611 #if !defined(_MSC_VER)
612 // We can spoil names of symbols with C linkage, so use an heuristic
613 // approach to check if the name should be demangled.
614 if (Name.substr(0, 2) == "_Z") {
616 char *DemangledName = __cxa_demangle(Name.c_str(), nullptr, nullptr, &status);
619 std::string Result = DemangledName;
624 if (!Name.empty() && Name.front() == '?') {
625 // Only do MSVC C++ demangling on symbols starting with '?'.
626 char DemangledName[1024] = {0};
627 DWORD result = ::UnDecorateSymbolName(
628 Name.c_str(), DemangledName, 1023,
629 UNDNAME_NO_ACCESS_SPECIFIERS | // Strip public, private, protected
630 UNDNAME_NO_ALLOCATION_LANGUAGE | // Strip __thiscall, __stdcall, etc
631 UNDNAME_NO_THROW_SIGNATURES | // Strip throw() specifications
632 UNDNAME_NO_MEMBER_TYPE | // Strip virtual, static, etc specifiers
633 UNDNAME_NO_MS_KEYWORDS | // Strip all MS extension keywords
634 UNDNAME_NO_FUNCTION_RETURNS); // Strip function return types
635 return (result == 0) ? Name : std::string(DemangledName);
638 if (ModInfo->isWin32Module())
639 return std::string(demanglePE32ExternCFunc(Name));
643 } // namespace symbolize