1 //===- DIASession.cpp - DIA implementation of IPDBSession -------*- C++ -*-===//
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 //===----------------------------------------------------------------------===//
9 #include "llvm/DebugInfo/PDB/DIA/DIASession.h"
10 #include "llvm/ADT/STLExtras.h"
11 #include "llvm/DebugInfo/PDB/DIA/DIAEnumDebugStreams.h"
12 #include "llvm/DebugInfo/PDB/DIA/DIAEnumFrameData.h"
13 #include "llvm/DebugInfo/PDB/DIA/DIAEnumInjectedSources.h"
14 #include "llvm/DebugInfo/PDB/DIA/DIAEnumLineNumbers.h"
15 #include "llvm/DebugInfo/PDB/DIA/DIAEnumSectionContribs.h"
16 #include "llvm/DebugInfo/PDB/DIA/DIAEnumSourceFiles.h"
17 #include "llvm/DebugInfo/PDB/DIA/DIAEnumTables.h"
18 #include "llvm/DebugInfo/PDB/DIA/DIAError.h"
19 #include "llvm/DebugInfo/PDB/DIA/DIARawSymbol.h"
20 #include "llvm/DebugInfo/PDB/DIA/DIASourceFile.h"
21 #include "llvm/DebugInfo/PDB/DIA/DIASupport.h"
22 #include "llvm/DebugInfo/PDB/GenericError.h"
23 #include "llvm/DebugInfo/PDB/PDB.h"
24 #include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
25 #include "llvm/DebugInfo/PDB/PDBSymbolExe.h"
26 #include "llvm/Support/ConvertUTF.h"
27 #include "llvm/Support/Format.h"
28 #include "llvm/Support/FormatVariadic.h"
29 #include "llvm/Support/raw_ostream.h"
32 using namespace llvm::pdb;
34 template <typename... Ts>
35 static Error ErrorFromHResult(HRESULT Result, const char *Str, Ts &&... Args) {
36 SmallString<64> MessageStorage;
38 if (sizeof...(Args) > 0) {
39 MessageStorage = formatv(Str, std::forward<Ts>(Args)...).str();
40 Context = MessageStorage;
46 return errorCodeToError(std::error_code(ENOENT, std::generic_category()));
48 return make_error<DIAError>(dia_error_code::invalid_file_format, Context);
50 return make_error<DIAError>(dia_error_code::invalid_parameter, Context);
52 return make_error<DIAError>(dia_error_code::already_loaded, Context);
53 case E_PDB_INVALID_SIG:
54 case E_PDB_INVALID_AGE:
55 return make_error<DIAError>(dia_error_code::debug_info_mismatch, Context);
58 raw_string_ostream OS(S);
59 OS << "HRESULT: " << format_hex(static_cast<DWORD>(Result), 10, true)
61 return make_error<DIAError>(dia_error_code::unspecified, OS.str());
66 static Error LoadDIA(CComPtr<IDiaDataSource> &DiaDataSource) {
67 if (SUCCEEDED(CoCreateInstance(CLSID_DiaSource, nullptr, CLSCTX_INPROC_SERVER,
69 reinterpret_cast<LPVOID *>(&DiaDataSource))))
70 return Error::success();
72 // If the CoCreateInstance call above failed, msdia*.dll is not registered.
73 // Try loading the DLL corresponding to the #included DIA SDK.
74 #if !defined(_MSC_VER)
75 return llvm::make_error<PDBError>(pdb_error_code::dia_failed_loading);
77 const wchar_t *msdia_dll = nullptr;
78 #if _MSC_VER >= 1900 && _MSC_VER < 2000
79 msdia_dll = L"msdia140.dll"; // VS2015
80 #elif _MSC_VER >= 1800
81 msdia_dll = L"msdia120.dll"; // VS2013
83 #error "Unknown Visual Studio version."
87 if (FAILED(HR = NoRegCoCreate(msdia_dll, CLSID_DiaSource, IID_IDiaDataSource,
88 reinterpret_cast<LPVOID *>(&DiaDataSource))))
89 return ErrorFromHResult(HR, "Calling NoRegCoCreate");
90 return Error::success();
94 DIASession::DIASession(CComPtr<IDiaSession> DiaSession) : Session(DiaSession) {}
96 Error DIASession::createFromPdb(StringRef Path,
97 std::unique_ptr<IPDBSession> &Session) {
98 CComPtr<IDiaDataSource> DiaDataSource;
99 CComPtr<IDiaSession> DiaSession;
101 // We assume that CoInitializeEx has already been called by the executable.
102 if (auto E = LoadDIA(DiaDataSource))
105 llvm::SmallVector<UTF16, 128> Path16;
106 if (!llvm::convertUTF8ToUTF16String(Path, Path16))
107 return make_error<PDBError>(pdb_error_code::invalid_utf8_path, Path);
109 const wchar_t *Path16Str = reinterpret_cast<const wchar_t *>(Path16.data());
111 if (FAILED(HR = DiaDataSource->loadDataFromPdb(Path16Str))) {
112 return ErrorFromHResult(HR, "Calling loadDataFromPdb {0}", Path);
115 if (FAILED(HR = DiaDataSource->openSession(&DiaSession)))
116 return ErrorFromHResult(HR, "Calling openSession");
118 Session.reset(new DIASession(DiaSession));
119 return Error::success();
122 Error DIASession::createFromExe(StringRef Path,
123 std::unique_ptr<IPDBSession> &Session) {
124 CComPtr<IDiaDataSource> DiaDataSource;
125 CComPtr<IDiaSession> DiaSession;
127 // We assume that CoInitializeEx has already been called by the executable.
128 if (auto EC = LoadDIA(DiaDataSource))
131 llvm::SmallVector<UTF16, 128> Path16;
132 if (!llvm::convertUTF8ToUTF16String(Path, Path16))
133 return make_error<PDBError>(pdb_error_code::invalid_utf8_path, Path);
135 const wchar_t *Path16Str = reinterpret_cast<const wchar_t *>(Path16.data());
137 if (FAILED(HR = DiaDataSource->loadDataForExe(Path16Str, nullptr, nullptr)))
138 return ErrorFromHResult(HR, "Calling loadDataForExe");
140 if (FAILED(HR = DiaDataSource->openSession(&DiaSession)))
141 return ErrorFromHResult(HR, "Calling openSession");
143 Session.reset(new DIASession(DiaSession));
144 return Error::success();
147 uint64_t DIASession::getLoadAddress() const {
148 uint64_t LoadAddress;
149 bool success = (S_OK == Session->get_loadAddress(&LoadAddress));
150 return (success) ? LoadAddress : 0;
153 bool DIASession::setLoadAddress(uint64_t Address) {
154 return (S_OK == Session->put_loadAddress(Address));
157 std::unique_ptr<PDBSymbolExe> DIASession::getGlobalScope() {
158 CComPtr<IDiaSymbol> GlobalScope;
159 if (S_OK != Session->get_globalScope(&GlobalScope))
162 auto RawSymbol = llvm::make_unique<DIARawSymbol>(*this, GlobalScope);
163 auto PdbSymbol(PDBSymbol::create(*this, std::move(RawSymbol)));
164 std::unique_ptr<PDBSymbolExe> ExeSymbol(
165 static_cast<PDBSymbolExe *>(PdbSymbol.release()));
169 bool DIASession::addressForVA(uint64_t VA, uint32_t &Section,
170 uint32_t &Offset) const {
171 DWORD ArgSection, ArgOffset = 0;
172 if (S_OK == Session->addressForVA(VA, &ArgSection, &ArgOffset)) {
173 Section = static_cast<uint32_t>(ArgSection);
174 Offset = static_cast<uint32_t>(ArgOffset);
180 bool DIASession::addressForRVA(uint32_t RVA, uint32_t &Section,
181 uint32_t &Offset) const {
182 DWORD ArgSection, ArgOffset = 0;
183 if (S_OK == Session->addressForRVA(RVA, &ArgSection, &ArgOffset)) {
184 Section = static_cast<uint32_t>(ArgSection);
185 Offset = static_cast<uint32_t>(ArgOffset);
191 std::unique_ptr<PDBSymbol>
192 DIASession::getSymbolById(SymIndexId SymbolId) const {
193 CComPtr<IDiaSymbol> LocatedSymbol;
194 if (S_OK != Session->symbolById(SymbolId, &LocatedSymbol))
197 auto RawSymbol = llvm::make_unique<DIARawSymbol>(*this, LocatedSymbol);
198 return PDBSymbol::create(*this, std::move(RawSymbol));
201 std::unique_ptr<PDBSymbol>
202 DIASession::findSymbolByAddress(uint64_t Address, PDB_SymType Type) const {
203 enum SymTagEnum EnumVal = static_cast<enum SymTagEnum>(Type);
205 CComPtr<IDiaSymbol> Symbol;
206 if (S_OK != Session->findSymbolByVA(Address, EnumVal, &Symbol)) {
207 ULONGLONG LoadAddr = 0;
208 if (S_OK != Session->get_loadAddress(&LoadAddr))
210 DWORD RVA = static_cast<DWORD>(Address - LoadAddr);
211 if (S_OK != Session->findSymbolByRVA(RVA, EnumVal, &Symbol))
214 auto RawSymbol = llvm::make_unique<DIARawSymbol>(*this, Symbol);
215 return PDBSymbol::create(*this, std::move(RawSymbol));
218 std::unique_ptr<PDBSymbol> DIASession::findSymbolByRVA(uint32_t RVA,
219 PDB_SymType Type) const {
220 enum SymTagEnum EnumVal = static_cast<enum SymTagEnum>(Type);
222 CComPtr<IDiaSymbol> Symbol;
223 if (S_OK != Session->findSymbolByRVA(RVA, EnumVal, &Symbol))
226 auto RawSymbol = llvm::make_unique<DIARawSymbol>(*this, Symbol);
227 return PDBSymbol::create(*this, std::move(RawSymbol));
230 std::unique_ptr<PDBSymbol>
231 DIASession::findSymbolBySectOffset(uint32_t Sect, uint32_t Offset,
232 PDB_SymType Type) const {
233 enum SymTagEnum EnumVal = static_cast<enum SymTagEnum>(Type);
235 CComPtr<IDiaSymbol> Symbol;
236 if (S_OK != Session->findSymbolByAddr(Sect, Offset, EnumVal, &Symbol))
239 auto RawSymbol = llvm::make_unique<DIARawSymbol>(*this, Symbol);
240 return PDBSymbol::create(*this, std::move(RawSymbol));
243 std::unique_ptr<IPDBEnumLineNumbers>
244 DIASession::findLineNumbers(const PDBSymbolCompiland &Compiland,
245 const IPDBSourceFile &File) const {
246 const DIARawSymbol &RawCompiland =
247 static_cast<const DIARawSymbol &>(Compiland.getRawSymbol());
248 const DIASourceFile &RawFile = static_cast<const DIASourceFile &>(File);
250 CComPtr<IDiaEnumLineNumbers> LineNumbers;
251 if (S_OK != Session->findLines(RawCompiland.getDiaSymbol(),
252 RawFile.getDiaFile(), &LineNumbers))
255 return llvm::make_unique<DIAEnumLineNumbers>(LineNumbers);
258 std::unique_ptr<IPDBEnumLineNumbers>
259 DIASession::findLineNumbersByAddress(uint64_t Address, uint32_t Length) const {
260 CComPtr<IDiaEnumLineNumbers> LineNumbers;
261 if (S_OK != Session->findLinesByVA(Address, Length, &LineNumbers)) {
262 ULONGLONG LoadAddr = 0;
263 if (S_OK != Session->get_loadAddress(&LoadAddr))
265 DWORD RVA = static_cast<DWORD>(Address - LoadAddr);
266 if (S_OK != Session->findLinesByRVA(RVA, Length, &LineNumbers))
269 return llvm::make_unique<DIAEnumLineNumbers>(LineNumbers);
272 std::unique_ptr<IPDBEnumLineNumbers>
273 DIASession::findLineNumbersByRVA(uint32_t RVA, uint32_t Length) const {
274 CComPtr<IDiaEnumLineNumbers> LineNumbers;
275 if (S_OK != Session->findLinesByRVA(RVA, Length, &LineNumbers))
278 return llvm::make_unique<DIAEnumLineNumbers>(LineNumbers);
281 std::unique_ptr<IPDBEnumLineNumbers>
282 DIASession::findLineNumbersBySectOffset(uint32_t Section, uint32_t Offset,
283 uint32_t Length) const {
284 CComPtr<IDiaEnumLineNumbers> LineNumbers;
285 if (S_OK != Session->findLinesByAddr(Section, Offset, Length, &LineNumbers))
288 return llvm::make_unique<DIAEnumLineNumbers>(LineNumbers);
291 std::unique_ptr<IPDBEnumSourceFiles>
292 DIASession::findSourceFiles(const PDBSymbolCompiland *Compiland,
293 llvm::StringRef Pattern,
294 PDB_NameSearchFlags Flags) const {
295 IDiaSymbol *DiaCompiland = nullptr;
296 CComBSTR Utf16Pattern;
297 if (!Pattern.empty())
298 Utf16Pattern = CComBSTR(Pattern.data());
301 DiaCompiland = static_cast<const DIARawSymbol &>(Compiland->getRawSymbol())
304 Flags = static_cast<PDB_NameSearchFlags>(
305 Flags | PDB_NameSearchFlags::NS_FileNameExtMatch);
306 CComPtr<IDiaEnumSourceFiles> SourceFiles;
308 Session->findFile(DiaCompiland, Utf16Pattern.m_str, Flags, &SourceFiles))
310 return llvm::make_unique<DIAEnumSourceFiles>(*this, SourceFiles);
313 std::unique_ptr<IPDBSourceFile>
314 DIASession::findOneSourceFile(const PDBSymbolCompiland *Compiland,
315 llvm::StringRef Pattern,
316 PDB_NameSearchFlags Flags) const {
317 auto SourceFiles = findSourceFiles(Compiland, Pattern, Flags);
318 if (!SourceFiles || SourceFiles->getChildCount() == 0)
320 return SourceFiles->getNext();
323 std::unique_ptr<IPDBEnumChildren<PDBSymbolCompiland>>
324 DIASession::findCompilandsForSourceFile(llvm::StringRef Pattern,
325 PDB_NameSearchFlags Flags) const {
326 auto File = findOneSourceFile(nullptr, Pattern, Flags);
329 return File->getCompilands();
332 std::unique_ptr<PDBSymbolCompiland>
333 DIASession::findOneCompilandForSourceFile(llvm::StringRef Pattern,
334 PDB_NameSearchFlags Flags) const {
335 auto Compilands = findCompilandsForSourceFile(Pattern, Flags);
336 if (!Compilands || Compilands->getChildCount() == 0)
338 return Compilands->getNext();
341 std::unique_ptr<IPDBEnumSourceFiles> DIASession::getAllSourceFiles() const {
342 CComPtr<IDiaEnumSourceFiles> Files;
343 if (S_OK != Session->findFile(nullptr, nullptr, nsNone, &Files))
346 return llvm::make_unique<DIAEnumSourceFiles>(*this, Files);
349 std::unique_ptr<IPDBEnumSourceFiles> DIASession::getSourceFilesForCompiland(
350 const PDBSymbolCompiland &Compiland) const {
351 CComPtr<IDiaEnumSourceFiles> Files;
353 const DIARawSymbol &RawSymbol =
354 static_cast<const DIARawSymbol &>(Compiland.getRawSymbol());
356 Session->findFile(RawSymbol.getDiaSymbol(), nullptr, nsNone, &Files))
359 return llvm::make_unique<DIAEnumSourceFiles>(*this, Files);
362 std::unique_ptr<IPDBSourceFile>
363 DIASession::getSourceFileById(uint32_t FileId) const {
364 CComPtr<IDiaSourceFile> LocatedFile;
365 if (S_OK != Session->findFileById(FileId, &LocatedFile))
368 return llvm::make_unique<DIASourceFile>(*this, LocatedFile);
371 std::unique_ptr<IPDBEnumDataStreams> DIASession::getDebugStreams() const {
372 CComPtr<IDiaEnumDebugStreams> DiaEnumerator;
373 if (S_OK != Session->getEnumDebugStreams(&DiaEnumerator))
376 return llvm::make_unique<DIAEnumDebugStreams>(DiaEnumerator);
379 std::unique_ptr<IPDBEnumTables> DIASession::getEnumTables() const {
380 CComPtr<IDiaEnumTables> DiaEnumerator;
381 if (S_OK != Session->getEnumTables(&DiaEnumerator))
384 return llvm::make_unique<DIAEnumTables>(DiaEnumerator);
387 template <class T> static CComPtr<T> getTableEnumerator(IDiaSession &Session) {
388 CComPtr<T> Enumerator;
389 CComPtr<IDiaEnumTables> ET;
390 CComPtr<IDiaTable> Table;
393 if (Session.getEnumTables(&ET) != S_OK)
396 while (ET->Next(1, &Table, &Count) == S_OK && Count == 1) {
397 // There is only one table that matches the given iid
398 if (S_OK == Table->QueryInterface(__uuidof(T), (void **)&Enumerator))
404 std::unique_ptr<IPDBEnumInjectedSources>
405 DIASession::getInjectedSources() const {
406 CComPtr<IDiaEnumInjectedSources> Files =
407 getTableEnumerator<IDiaEnumInjectedSources>(*Session);
411 return llvm::make_unique<DIAEnumInjectedSources>(Files);
414 std::unique_ptr<IPDBEnumSectionContribs>
415 DIASession::getSectionContribs() const {
416 CComPtr<IDiaEnumSectionContribs> Sections =
417 getTableEnumerator<IDiaEnumSectionContribs>(*Session);
421 return llvm::make_unique<DIAEnumSectionContribs>(*this, Sections);
424 std::unique_ptr<IPDBEnumFrameData>
425 DIASession::getFrameData() const {
426 CComPtr<IDiaEnumFrameData> FD =
427 getTableEnumerator<IDiaEnumFrameData>(*Session);
431 return llvm::make_unique<DIAEnumFrameData>(FD);