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302 lines
10 KiB
C++
302 lines
10 KiB
C++
//===- DIASession.cpp - DIA implementation of IPDBSession -------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ADT/STLExtras.h"
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#include "llvm/DebugInfo/PDB/DIA/DIAEnumDebugStreams.h"
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#include "llvm/DebugInfo/PDB/DIA/DIAEnumLineNumbers.h"
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#include "llvm/DebugInfo/PDB/DIA/DIAEnumSourceFiles.h"
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#include "llvm/DebugInfo/PDB/DIA/DIARawSymbol.h"
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#include "llvm/DebugInfo/PDB/DIA/DIASession.h"
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#include "llvm/DebugInfo/PDB/DIA/DIASourceFile.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h"
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#include "llvm/DebugInfo/PDB/PDBSymbolExe.h"
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#include "llvm/Support/ConvertUTF.h"
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#include <diacreate.h>
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using namespace llvm;
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namespace {
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PDB_ErrorCode LoadDIA(CComPtr<IDiaDataSource> &DiaDataSource) {
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if (SUCCEEDED(CoCreateInstance(CLSID_DiaSource, nullptr, CLSCTX_INPROC_SERVER,
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IID_IDiaDataSource,
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reinterpret_cast<LPVOID *>(&DiaDataSource))))
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return PDB_ErrorCode::Success;
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// If the CoCreateInstance call above failed, msdia*.dll is not registered.
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// Try loading the DLL corresponding to the #included DIA SDK.
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#if !defined(_MSC_VER)
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return PDB_ErrorCode::NoDiaSupport;
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#endif
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const wchar_t *msdia_dll = nullptr;
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#if _MSC_VER == 1900
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msdia_dll = L"msdia140.dll"; // VS2015
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#elif _MSC_VER == 1800
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msdia_dll = L"msdia120.dll"; // VS2013
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#else
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#error "Unknown Visual Studio version."
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#endif
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if (SUCCEEDED(NoRegCoCreate(msdia_dll, CLSID_DiaSource, IID_IDiaDataSource,
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reinterpret_cast<LPVOID *>(&DiaDataSource))))
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return PDB_ErrorCode::Success;
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else
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return PDB_ErrorCode::CouldNotCreateImpl;
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}
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}
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DIASession::DIASession(CComPtr<IDiaSession> DiaSession) : Session(DiaSession) {}
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PDB_ErrorCode DIASession::createFromPdb(StringRef Path,
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std::unique_ptr<IPDBSession> &Session) {
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CComPtr<IDiaDataSource> DiaDataSource;
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CComPtr<IDiaSession> DiaSession;
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// We assume that CoInitializeEx has already been called by the executable.
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PDB_ErrorCode result = LoadDIA(DiaDataSource);
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if (result != PDB_ErrorCode::Success)
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return result;
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llvm::SmallVector<UTF16, 128> Path16;
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if (!llvm::convertUTF8ToUTF16String(Path, Path16))
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return PDB_ErrorCode::InvalidPath;
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const wchar_t *Path16Str = reinterpret_cast<const wchar_t*>(Path16.data());
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HRESULT Result;
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if (FAILED(Result = DiaDataSource->loadDataFromPdb(Path16Str))) {
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if (Result == E_PDB_NOT_FOUND)
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return PDB_ErrorCode::InvalidPath;
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else if (Result == E_PDB_FORMAT)
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return PDB_ErrorCode::InvalidFileFormat;
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else if (Result == E_INVALIDARG)
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return PDB_ErrorCode::InvalidParameter;
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else if (Result == E_UNEXPECTED)
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return PDB_ErrorCode::AlreadyLoaded;
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else
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return PDB_ErrorCode::UnknownError;
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}
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if (FAILED(Result = DiaDataSource->openSession(&DiaSession))) {
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if (Result == E_OUTOFMEMORY)
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return PDB_ErrorCode::NoMemory;
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else
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return PDB_ErrorCode::UnknownError;
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}
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Session.reset(new DIASession(DiaSession));
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return PDB_ErrorCode::Success;
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}
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PDB_ErrorCode DIASession::createFromExe(StringRef Path,
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std::unique_ptr<IPDBSession> &Session) {
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CComPtr<IDiaDataSource> DiaDataSource;
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CComPtr<IDiaSession> DiaSession;
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// We assume that CoInitializeEx has already been called by the executable.
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PDB_ErrorCode result = LoadDIA(DiaDataSource);
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if (result != PDB_ErrorCode::Success)
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return result;
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llvm::SmallVector<UTF16, 128> Path16;
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if (!llvm::convertUTF8ToUTF16String(Path, Path16))
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return PDB_ErrorCode::InvalidPath;
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const wchar_t *Path16Str = reinterpret_cast<const wchar_t *>(Path16.data());
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HRESULT Result;
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if (FAILED(Result =
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DiaDataSource->loadDataForExe(Path16Str, nullptr, nullptr))) {
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if (Result == E_PDB_NOT_FOUND)
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return PDB_ErrorCode::InvalidPath;
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else if (Result == E_PDB_FORMAT)
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return PDB_ErrorCode::InvalidFileFormat;
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else if (Result == E_PDB_INVALID_SIG || Result == E_PDB_INVALID_AGE)
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return PDB_ErrorCode::DebugInfoMismatch;
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else if (Result == E_INVALIDARG)
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return PDB_ErrorCode::InvalidParameter;
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else if (Result == E_UNEXPECTED)
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return PDB_ErrorCode::AlreadyLoaded;
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else
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return PDB_ErrorCode::UnknownError;
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}
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if (FAILED(Result = DiaDataSource->openSession(&DiaSession))) {
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if (Result == E_OUTOFMEMORY)
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return PDB_ErrorCode::NoMemory;
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else
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return PDB_ErrorCode::UnknownError;
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}
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Session.reset(new DIASession(DiaSession));
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return PDB_ErrorCode::Success;
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}
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uint64_t DIASession::getLoadAddress() const {
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uint64_t LoadAddress;
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bool success = (S_OK == Session->get_loadAddress(&LoadAddress));
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return (success) ? LoadAddress : 0;
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}
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void DIASession::setLoadAddress(uint64_t Address) {
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Session->put_loadAddress(Address);
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}
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std::unique_ptr<PDBSymbolExe> DIASession::getGlobalScope() const {
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CComPtr<IDiaSymbol> GlobalScope;
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if (S_OK != Session->get_globalScope(&GlobalScope))
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return nullptr;
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auto RawSymbol = llvm::make_unique<DIARawSymbol>(*this, GlobalScope);
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auto PdbSymbol(PDBSymbol::create(*this, std::move(RawSymbol)));
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std::unique_ptr<PDBSymbolExe> ExeSymbol(
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static_cast<PDBSymbolExe *>(PdbSymbol.release()));
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return ExeSymbol;
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}
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std::unique_ptr<PDBSymbol> DIASession::getSymbolById(uint32_t SymbolId) const {
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CComPtr<IDiaSymbol> LocatedSymbol;
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if (S_OK != Session->symbolById(SymbolId, &LocatedSymbol))
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return nullptr;
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auto RawSymbol = llvm::make_unique<DIARawSymbol>(*this, LocatedSymbol);
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return PDBSymbol::create(*this, std::move(RawSymbol));
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}
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std::unique_ptr<PDBSymbol>
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DIASession::findSymbolByAddress(uint64_t Address, PDB_SymType Type) const {
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enum SymTagEnum EnumVal = static_cast<enum SymTagEnum>(Type);
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CComPtr<IDiaSymbol> Symbol;
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if (S_OK != Session->findSymbolByVA(Address, EnumVal, &Symbol)) {
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ULONGLONG LoadAddr = 0;
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if (S_OK != Session->get_loadAddress(&LoadAddr))
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return nullptr;
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DWORD RVA = static_cast<DWORD>(Address - LoadAddr);
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if (S_OK != Session->findSymbolByRVA(RVA, EnumVal, &Symbol))
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return nullptr;
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}
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auto RawSymbol = llvm::make_unique<DIARawSymbol>(*this, Symbol);
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return PDBSymbol::create(*this, std::move(RawSymbol));
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}
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std::unique_ptr<IPDBEnumLineNumbers>
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DIASession::findLineNumbers(const PDBSymbolCompiland &Compiland,
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const IPDBSourceFile &File) const {
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const DIARawSymbol &RawCompiland =
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static_cast<const DIARawSymbol &>(Compiland.getRawSymbol());
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const DIASourceFile &RawFile = static_cast<const DIASourceFile &>(File);
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CComPtr<IDiaEnumLineNumbers> LineNumbers;
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if (S_OK !=
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Session->findLines(RawCompiland.getDiaSymbol(), RawFile.getDiaFile(),
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&LineNumbers))
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return nullptr;
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return llvm::make_unique<DIAEnumLineNumbers>(LineNumbers);
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}
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std::unique_ptr<IPDBEnumLineNumbers>
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DIASession::findLineNumbersByAddress(uint64_t Address, uint32_t Length) const {
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CComPtr<IDiaEnumLineNumbers> LineNumbers;
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if (S_OK != Session->findLinesByVA(Address, Length, &LineNumbers))
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return nullptr;
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return llvm::make_unique<DIAEnumLineNumbers>(LineNumbers);
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}
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std::unique_ptr<IPDBEnumSourceFiles>
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DIASession::findSourceFiles(const PDBSymbolCompiland *Compiland,
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llvm::StringRef Pattern,
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PDB_NameSearchFlags Flags) const {
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IDiaSymbol *DiaCompiland = nullptr;
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CComBSTR Utf16Pattern;
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if (!Pattern.empty())
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Utf16Pattern = CComBSTR(Pattern.data());
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if (Compiland)
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DiaCompiland = static_cast<const DIARawSymbol &>(Compiland->getRawSymbol())
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.getDiaSymbol();
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Flags = static_cast<PDB_NameSearchFlags>(
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Flags | PDB_NameSearchFlags::NS_FileNameExtMatch);
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CComPtr<IDiaEnumSourceFiles> SourceFiles;
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if (S_OK !=
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Session->findFile(DiaCompiland, Utf16Pattern.m_str, Flags, &SourceFiles))
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return nullptr;
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return llvm::make_unique<DIAEnumSourceFiles>(*this, SourceFiles);
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}
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std::unique_ptr<IPDBSourceFile>
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DIASession::findOneSourceFile(const PDBSymbolCompiland *Compiland,
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llvm::StringRef Pattern,
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PDB_NameSearchFlags Flags) const {
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auto SourceFiles = findSourceFiles(Compiland, Pattern, Flags);
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if (!SourceFiles || SourceFiles->getChildCount() == 0)
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return nullptr;
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return SourceFiles->getNext();
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}
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std::unique_ptr<IPDBEnumChildren<PDBSymbolCompiland>>
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DIASession::findCompilandsForSourceFile(llvm::StringRef Pattern,
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PDB_NameSearchFlags Flags) const {
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auto File = findOneSourceFile(nullptr, Pattern, Flags);
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if (!File)
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return nullptr;
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return File->getCompilands();
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}
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std::unique_ptr<PDBSymbolCompiland>
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DIASession::findOneCompilandForSourceFile(llvm::StringRef Pattern,
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PDB_NameSearchFlags Flags) const {
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auto Compilands = findCompilandsForSourceFile(Pattern, Flags);
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if (!Compilands || Compilands->getChildCount() == 0)
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return nullptr;
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return Compilands->getNext();
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}
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std::unique_ptr<IPDBEnumSourceFiles> DIASession::getAllSourceFiles() const {
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CComPtr<IDiaEnumSourceFiles> Files;
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if (S_OK != Session->findFile(nullptr, nullptr, nsNone, &Files))
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return nullptr;
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return llvm::make_unique<DIAEnumSourceFiles>(*this, Files);
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}
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std::unique_ptr<IPDBEnumSourceFiles> DIASession::getSourceFilesForCompiland(
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const PDBSymbolCompiland &Compiland) const {
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CComPtr<IDiaEnumSourceFiles> Files;
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const DIARawSymbol &RawSymbol =
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static_cast<const DIARawSymbol &>(Compiland.getRawSymbol());
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if (S_OK !=
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Session->findFile(RawSymbol.getDiaSymbol(), nullptr, nsNone, &Files))
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return nullptr;
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return llvm::make_unique<DIAEnumSourceFiles>(*this, Files);
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}
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std::unique_ptr<IPDBSourceFile>
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DIASession::getSourceFileById(uint32_t FileId) const {
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CComPtr<IDiaSourceFile> LocatedFile;
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if (S_OK != Session->findFileById(FileId, &LocatedFile))
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return nullptr;
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return llvm::make_unique<DIASourceFile>(*this, LocatedFile);
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}
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std::unique_ptr<IPDBEnumDataStreams> DIASession::getDebugStreams() const {
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CComPtr<IDiaEnumDebugStreams> DiaEnumerator;
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if (S_OK != Session->getEnumDebugStreams(&DiaEnumerator))
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return nullptr;
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return llvm::make_unique<DIAEnumDebugStreams>(DiaEnumerator);
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}
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