Index: include/llvm/DebugInfo/PDB/IPDBSession.h =================================================================== --- include/llvm/DebugInfo/PDB/IPDBSession.h +++ include/llvm/DebugInfo/PDB/IPDBSession.h @@ -11,6 +11,7 @@ #define LLVM_DEBUGINFO_PDB_IPDBSESSION_H #include "PDBTypes.h" +#include "llvm/ADT/StringRef.h" #include "llvm/Support/Casting.h" #include Index: include/llvm/DebugInfo/PDB/PDBTypes.h =================================================================== --- include/llvm/DebugInfo/PDB/PDBTypes.h +++ include/llvm/DebugInfo/PDB/PDBTypes.h @@ -12,7 +12,6 @@ #include "llvm/Config/llvm-config.h" #include "llvm/DebugInfo/CodeView/CodeView.h" -#include "llvm/Support/Endian.h" #include #include #include @@ -70,6 +69,7 @@ /// of PDB_ReaderType::DIA is supported. enum class PDB_ReaderType { DIA = 0, + Raw = 1, }; /// Defines a 128-bit unique identifier. This maps to a GUID on Windows, but @@ -429,35 +429,6 @@ } }; -namespace PDB { -static const char Magic[] = {'M', 'i', 'c', 'r', 'o', 's', 'o', 'f', - 't', ' ', 'C', '/', 'C', '+', '+', ' ', - 'M', 'S', 'F', ' ', '7', '.', '0', '0', - '\r', '\n', '\x1a', 'D', 'S', '\0', '\0', '\0'}; - -// The superblock is overlaid at the beginning of the file (offset 0). -// It starts with a magic header and is followed by information which describes -// the layout of the file system. -struct SuperBlock { - char MagicBytes[sizeof(Magic)]; - // The file system is split into a variable number of fixed size elements. - // These elements are referred to as blocks. The size of a block may vary - // from system to system. - support::ulittle32_t BlockSize; - // This field's purpose is not yet known. - support::ulittle32_t Unknown0; - // This contains the number of blocks resident in the file system. In - // practice, NumBlocks * BlockSize is equivalent to the size of the PDB file. - support::ulittle32_t NumBlocks; - // This contains the number of bytes which make up the directory. - support::ulittle32_t NumDirectoryBytes; - // This field's purpose is not yet known. - support::ulittle32_t Unknown1; - // This contains the block # of the block map. - support::ulittle32_t BlockMapAddr; -}; -} // end namespace PDB - } // end namespace llvm namespace std { Index: include/llvm/DebugInfo/PDB/Raw/PDBFile.h =================================================================== --- /dev/null +++ include/llvm/DebugInfo/PDB/Raw/PDBFile.h @@ -0,0 +1,53 @@ +//===- PDBFile.h - Low level interface to a PDB file ------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_DEBUGINFO_PDB_RAW_PDBFILE_H +#define LLVM_DEBUGINFO_PDB_RAW_PDBFILE_H + +#include "llvm/ADT/DenseMap.h" +#include "llvm/Support/Endian.h" + +#include + +namespace llvm { +class MemoryBuffer; + +struct PDBContext; + +class PDBFile { +public: + explicit PDBFile(std::unique_ptr MemBuffer); + ~PDBFile(); + + uint32_t getBlockSize() const; + uint32_t getUnknown0() const; + uint32_t getBlockCount() const; + uint32_t getNumDirectoryBytes() const; + uint32_t getBlockMapIndex() const; + uint32_t getUnknown1() const; + uint32_t getNumDirectoryBlocks() const; + uint64_t getBlockMapOffset() const; + + uint32_t getNumStreams() const; + uint32_t getStreamByteSize(uint32_t StreamIndex) const; + llvm::ArrayRef getStreamBlockList(uint32_t StreamIndex) const; + + StringRef getBlockData(uint32_t BlockIndex, uint32_t NumBytes) const; + + llvm::ArrayRef getDirectoryBlockArray(); + + std::error_code ParseFileHeaders(); + std::error_code ParseStreamData(); + +private: + std::unique_ptr Context; +}; +} + +#endif Index: include/llvm/DebugInfo/PDB/Raw/PDBStream.h =================================================================== --- /dev/null +++ include/llvm/DebugInfo/PDB/Raw/PDBStream.h @@ -0,0 +1,46 @@ +//===- PDBStream.h - Low level interface to a PDB stream --------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_DEBUGINFO_PDB_RAW_PDBSTREAM_H +#define LLVM_DEBUGINFO_PDB_RAW_PDBSTREAM_H + +#include "llvm/ADT/ArrayRef.h" +#include "llvm/ADT/StringRef.h" + +namespace llvm { + +class MemoryBufferRef; +class PDBFile; + +class PDBStream { +public: + PDBStream(uint32_t StreamIdx, const PDBFile &File); + + std::error_code ReadInteger(uint32_t &Dest); + std::error_code ReadZeroString(std::string &Dest); + std::error_code ReadBytes(void *Dest, uint32_t Length); + + void SetOffset(uint32_t Off); + uint32_t GetOffset() const; + uint32_t GetLength() const; + + template std::error_code ReadObject(T *Dest) { + return ReadBytes(reinterpret_cast(Dest), sizeof(T)); + } + +private: + uint32_t Offset; + + uint32_t StreamLength; + std::vector BlockList; + const PDBFile &Pdb; +}; +} + +#endif Index: include/llvm/DebugInfo/PDB/Raw/RawSession.h =================================================================== --- /dev/null +++ include/llvm/DebugInfo/PDB/Raw/RawSession.h @@ -0,0 +1,72 @@ +//===- RawSession.h - Native implementation of IPDBSession ------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_DEBUGINFO_PDB_RAW_RAWSESSION_H +#define LLVM_DEBUGINFO_PDB_RAW_RAWSESSION_H + +#include "llvm/DebugInfo/PDB/IPDBSession.h" + +namespace llvm { +class PDBFile; +class StringRef; + +class RawSession : public IPDBSession { +public: + explicit RawSession(std::unique_ptr PdbFile); + ~RawSession() override; + + static PDB_ErrorCode createFromPdb(StringRef Path, + std::unique_ptr &Session); + static PDB_ErrorCode createFromExe(StringRef Path, + std::unique_ptr &Session); + + uint64_t getLoadAddress() const override; + void setLoadAddress(uint64_t Address) override; + std::unique_ptr getGlobalScope() const override; + std::unique_ptr getSymbolById(uint32_t SymbolId) const override; + + std::unique_ptr + findSymbolByAddress(uint64_t Address, PDB_SymType Type) const override; + + std::unique_ptr + findLineNumbers(const PDBSymbolCompiland &Compiland, + const IPDBSourceFile &File) const override; + std::unique_ptr + findLineNumbersByAddress(uint64_t Address, uint32_t Length) const override; + + std::unique_ptr + findSourceFiles(const PDBSymbolCompiland *Compiland, llvm::StringRef Pattern, + PDB_NameSearchFlags Flags) const override; + std::unique_ptr + findOneSourceFile(const PDBSymbolCompiland *Compiland, + llvm::StringRef Pattern, + PDB_NameSearchFlags Flags) const override; + std::unique_ptr> + findCompilandsForSourceFile(llvm::StringRef Pattern, + PDB_NameSearchFlags Flags) const override; + std::unique_ptr + findOneCompilandForSourceFile(llvm::StringRef Pattern, + PDB_NameSearchFlags Flags) const override; + std::unique_ptr getAllSourceFiles() const override; + std::unique_ptr getSourceFilesForCompiland( + const PDBSymbolCompiland &Compiland) const override; + std::unique_ptr + getSourceFileById(uint32_t FileId) const override; + + std::unique_ptr getDebugStreams() const override; + + PDBFile &getPDBFile() { return *Pdb; } + const PDBFile &getPDBFile() const { return *Pdb; } + +private: + std::unique_ptr Pdb; +}; +} + +#endif Index: lib/DebugInfo/PDB/CMakeLists.txt =================================================================== --- lib/DebugInfo/PDB/CMakeLists.txt +++ lib/DebugInfo/PDB/CMakeLists.txt @@ -24,9 +24,13 @@ ) set(LIBPDB_ADDITIONAL_HEADER_DIRS "${LLVM_MAIN_INCLUDE_DIR}/llvm/DebugInfo/PDB/DIA") - endif() +add_pdb_impl_folder(Raw + Raw/PDBFile.cpp + Raw/PDBStream.cpp + Raw/RawSession.cpp) + list(APPEND LIBPDB_ADDITIONAL_HEADER_DIRS "${LLVM_MAIN_INCLUDE_DIR}/llvm/DebugInfo/PDB") add_llvm_library(LLVMDebugInfoPDB Index: lib/DebugInfo/PDB/PDB.cpp =================================================================== --- lib/DebugInfo/PDB/PDB.cpp +++ lib/DebugInfo/PDB/PDB.cpp @@ -17,23 +17,28 @@ #if HAVE_DIA_SDK #include "llvm/DebugInfo/PDB/DIA/DIASession.h" #endif +#include "llvm/DebugInfo/PDB/Raw/RawSession.h" using namespace llvm; PDB_ErrorCode llvm::loadDataForPDB(PDB_ReaderType Type, StringRef Path, std::unique_ptr &Session) { // Create the correct concrete instance type based on the value of Type. + if (Type == PDB_ReaderType::Raw) + return RawSession::createFromPdb(Path, Session); + #if HAVE_DIA_SDK return DIASession::createFromPdb(Path, Session); #endif - return PDB_ErrorCode::NoDiaSupport; } PDB_ErrorCode llvm::loadDataForEXE(PDB_ReaderType Type, StringRef Path, std::unique_ptr &Session) { // Create the correct concrete instance type based on the value of Type. + if (Type == PDB_ReaderType::Raw) + return RawSession::createFromExe(Path, Session); + #if HAVE_DIA_SDK return DIASession::createFromExe(Path, Session); #endif - return PDB_ErrorCode::NoDiaSupport; } Index: lib/DebugInfo/PDB/Raw/PDBFile.cpp =================================================================== --- /dev/null +++ lib/DebugInfo/PDB/Raw/PDBFile.cpp @@ -0,0 +1,250 @@ +//===- PDBFile.cpp - Low level interface to a PDB file ----------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "llvm/DebugInfo/PDB/Raw/PDBFile.h" + +#include "llvm/ADT/ArrayRef.h" +#include "llvm/Support/Endian.h" +#include "llvm/Support/MemoryBuffer.h" + +using namespace llvm; + +namespace { +static const char Magic[] = {'M', 'i', 'c', 'r', 'o', 's', 'o', 'f', + 't', ' ', 'C', '/', 'C', '+', '+', ' ', + 'M', 'S', 'F', ' ', '7', '.', '0', '0', + '\r', '\n', '\x1a', 'D', 'S', '\0', '\0', '\0'}; + +// The superblock is overlaid at the beginning of the file (offset 0). +// It starts with a magic header and is followed by information which describes +// the layout of the file system. +struct SuperBlock { + char MagicBytes[sizeof(Magic)]; + // The file system is split into a variable number of fixed size elements. + // These elements are referred to as blocks. The size of a block may vary + // from system to system. + support::ulittle32_t BlockSize; + // This field's purpose is not yet known. + support::ulittle32_t Unknown0; + // This contains the number of blocks resident in the file system. In + // practice, NumBlocks * BlockSize is equivalent to the size of the PDB file. + support::ulittle32_t NumBlocks; + // This contains the number of bytes which make up the directory. + support::ulittle32_t NumDirectoryBytes; + // This field's purpose is not yet known. + support::ulittle32_t Unknown1; + // This contains the block # of the block map. + support::ulittle32_t BlockMapAddr; +}; +} + +struct llvm::PDBContext { + std::unique_ptr Buffer; + const SuperBlock *SB; + std::vector StreamSizes; + DenseMap> StreamMap; +}; + +namespace { +std::error_code checkOffset(MemoryBufferRef M, uintptr_t Addr, + const uint64_t Size) { + if (Addr + Size < Addr || Addr + Size < Size || + Addr + Size > uintptr_t(M.getBufferEnd()) || + Addr < uintptr_t(M.getBufferStart())) { + return std::make_error_code(std::errc::bad_address); + } + return std::error_code(); +} + +template +std::error_code checkOffset(MemoryBufferRef M, ArrayRef AR) { + return checkOffset(M, uintptr_t(AR.data()), (uint64_t)AR.size() * sizeof(T)); +} + +std::error_code checkOffset(MemoryBufferRef M, StringRef SR) { + return checkOffset(M, uintptr_t(SR.data()), SR.size()); +} + +uint64_t bytesToBlocks(uint64_t NumBytes, uint64_t BlockSize) { + return alignTo(NumBytes, BlockSize) / BlockSize; +} + +uint64_t blockToOffset(uint64_t BlockNumber, uint64_t BlockSize) { + return BlockNumber * BlockSize; +} +} + +PDBFile::PDBFile(std::unique_ptr MemBuffer) { + Context.reset(new PDBContext()); + Context->Buffer = std::move(MemBuffer); +} + +PDBFile::~PDBFile() {} + +uint32_t PDBFile::getBlockSize() const { return Context->SB->BlockSize; } + +uint32_t PDBFile::getUnknown0() const { return Context->SB->Unknown0; } + +uint32_t PDBFile::getBlockCount() const { return Context->SB->NumBlocks; } + +uint32_t PDBFile::getNumDirectoryBytes() const { + return Context->SB->NumDirectoryBytes; +} + +uint32_t PDBFile::getBlockMapIndex() const { return Context->SB->BlockMapAddr; } + +uint32_t PDBFile::getUnknown1() const { return Context->SB->Unknown1; } + +uint32_t PDBFile::getNumDirectoryBlocks() const { + return bytesToBlocks(Context->SB->NumDirectoryBytes, Context->SB->BlockSize); +} + +uint64_t PDBFile::getBlockMapOffset() const { + return (uint64_t)Context->SB->BlockMapAddr * Context->SB->BlockSize; +} + +uint32_t PDBFile::getNumStreams() const { return Context->StreamSizes.size(); } + +uint32_t PDBFile::getStreamByteSize(uint32_t StreamIndex) const { + return Context->StreamSizes[StreamIndex]; +} + +llvm::ArrayRef +PDBFile::getStreamBlockList(uint32_t StreamIndex) const { + auto &Data = Context->StreamMap[StreamIndex]; + return llvm::ArrayRef(Data); +} + +StringRef PDBFile::getBlockData(uint32_t BlockIndex, uint32_t NumBytes) const { + uint64_t StreamBlockOffset = blockToOffset(BlockIndex, getBlockSize()); + + return StringRef(Context->Buffer->getBufferStart() + StreamBlockOffset, + NumBytes); +} + +std::error_code PDBFile::ParseFileHeaders() { + std::error_code EC; + MemoryBufferRef BufferRef = *Context->Buffer; + + Context->SB = + reinterpret_cast(BufferRef.getBufferStart()); + const SuperBlock *SB = Context->SB; + // We don't support blocksizes which aren't a multiple of four bytes. + if (SB->BlockSize % sizeof(support::ulittle32_t) != 0) + return std::make_error_code(std::errc::not_supported); + + // We don't support directories whose sizes aren't a multiple of four bytes. + if (SB->NumDirectoryBytes % sizeof(support::ulittle32_t) != 0) + return std::make_error_code(std::errc::not_supported); + + // The number of blocks which comprise the directory is a simple function of + // the number of bytes it contains. + uint64_t NumDirectoryBlocks = getNumDirectoryBlocks(); + + // The block map, as we understand it, is a block which consists of a list of + // block numbers. + // It is unclear what would happen if the number of blocks couldn't fit on a + // single block. + if (NumDirectoryBlocks > SB->BlockSize / sizeof(support::ulittle32_t)) + return std::make_error_code(std::errc::illegal_byte_sequence); + + return std::error_code(); +} + +std::error_code PDBFile::ParseStreamData() { + assert(Context && Context->SB); + + bool SeenNumStreams = false; + uint32_t NumStreams = 0; + uint32_t StreamIdx = 0; + uint64_t DirectoryBytesRead = 0; + std::error_code EC; + + MemoryBufferRef M = *Context->Buffer; + const SuperBlock *SB = Context->SB; + + auto DirectoryBlocks = getDirectoryBlockArray(); + + // The structure of the directory is as follows: + // struct PDBDirectory { + // uint32_t NumStreams; + // uint32_t StreamSizes[NumStreams]; + // uint32_t StreamMap[NumStreams][]; + // }; + // + // Empty streams don't consume entries in the StreamMap. + for (uint32_t DirectoryBlockAddr : DirectoryBlocks) { + uint64_t DirectoryBlockOffset = + blockToOffset(DirectoryBlockAddr, SB->BlockSize); + auto DirectoryBlock = + makeArrayRef(reinterpret_cast(M.getBufferStart() + + DirectoryBlockOffset), + SB->BlockSize / sizeof(support::ulittle32_t)); + if (EC = checkOffset(M, DirectoryBlock)) + return EC; + + // We read data out of the directory four bytes at a time. Depending on + // where we are in the directory, the contents may be: the number of streams + // in the directory, a stream's size, or a block in the stream map. + for (uint32_t Data : DirectoryBlock) { + // Don't read beyond the end of the directory. + if (DirectoryBytesRead == SB->NumDirectoryBytes) + break; + + DirectoryBytesRead += sizeof(Data); + + // This data must be the number of streams if we haven't seen it yet. + if (!SeenNumStreams) { + NumStreams = Data; + SeenNumStreams = true; + continue; + } + // This data must be a stream size if we have not seen them all yet. + if (Context->StreamSizes.size() < NumStreams) { + // It seems like some streams have their set to -1 when their contents + // are not present. Treat them like empty streams for now. + if (Data == UINT32_MAX) + Context->StreamSizes.push_back(0); + else + Context->StreamSizes.push_back(Data); + continue; + } + + // This data must be a stream block number if we have seen all of the + // stream sizes. + std::vector *StreamBlocks = nullptr; + // Figure out which stream this block number belongs to. + while (StreamIdx < NumStreams) { + uint64_t NumExpectedStreamBlocks = + bytesToBlocks(Context->StreamSizes[StreamIdx], SB->BlockSize); + StreamBlocks = &Context->StreamMap[StreamIdx]; + if (NumExpectedStreamBlocks > StreamBlocks->size()) + break; + ++StreamIdx; + } + // It seems this block doesn't belong to any stream? The stream is either + // corrupt or something more mysterious is going on. + if (StreamIdx == NumStreams) + return std::make_error_code(std::errc::illegal_byte_sequence); + + StreamBlocks->push_back(Data); + } + } + + // We should have read exactly SB->NumDirectoryBytes bytes. + assert(DirectoryBytesRead == SB->NumDirectoryBytes); + return std::error_code(); +} + +llvm::ArrayRef PDBFile::getDirectoryBlockArray() { + return makeArrayRef( + reinterpret_cast(Context->Buffer->getBufferStart() + + getBlockMapOffset()), + getNumDirectoryBlocks()); +} Index: lib/DebugInfo/PDB/Raw/PDBStream.cpp =================================================================== --- /dev/null +++ lib/DebugInfo/PDB/Raw/PDBStream.cpp @@ -0,0 +1,98 @@ +//===- PDBStream.cpp - Low level interface to a PDB stream ------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "llvm/DebugInfo/PDB/Raw/PDBStream.h" + +#include "llvm/DebugInfo/PDB/Raw/PDBFile.h" + +using namespace llvm; + +static uint64_t bytesToBlocks(uint64_t NumBytes, uint64_t BlockSize) { + return alignTo(NumBytes, BlockSize) / BlockSize; +} + +static uint64_t blockToOffset(uint64_t BlockNumber, uint64_t BlockSize) { + return BlockNumber * BlockSize; +} + +PDBStream::PDBStream(uint32_t StreamIdx, const PDBFile &File) : Pdb(File) { + this->StreamLength = Pdb.getStreamByteSize(StreamIdx); + this->BlockList = Pdb.getStreamBlockList(StreamIdx); + this->Offset = 0; +} + +std::error_code PDBStream::ReadInteger(uint32_t &Dest) { + support::detail::packed_endian_specific_integral + P; + if (std::error_code EC = ReadObject(&P)) + return EC; + Dest = P; + return std::error_code(); +} + +std::error_code PDBStream::ReadZeroString(std::string &Dest) { + char C; + do { + ReadObject(&C); + if (C != '\0') + Dest.push_back(C); + } while (C != '\0'); + return std::error_code(); +} + +std::error_code PDBStream::ReadBytes(void *Dest, uint32_t Length) { + uint32_t BlockNum = Offset / Pdb.getBlockSize(); + uint32_t OffsetInBlock = Offset % Pdb.getBlockSize(); + + // Make sure we aren't trying to read beyond the end of the stream. + if (this->Offset + Length > this->StreamLength) + return std::make_error_code(std::errc::bad_address); + + // Modify the passed in offset to point to the data after the object. + Offset += Length; + + // Handle the contiguous case: the offset + size stays within a block. + if (OffsetInBlock + Length <= Pdb.getBlockSize()) { + uint32_t StreamBlockAddr = this->BlockList[BlockNum]; + + StringRef Data = Pdb.getBlockData(StreamBlockAddr, Pdb.getBlockSize()); + ::memcpy(Dest, Data.data() + OffsetInBlock, Length); + return std::error_code(); + } + + // The non-contiguous case: we will stitch together non-contiguous chunks + uint32_t BytesLeft = Length; + uint32_t BytesWritten = 0; + char *WriteBuffer = static_cast(Dest); + while (BytesLeft > 0) { + uint32_t StreamBlockAddr = this->BlockList[BlockNum]; + uint64_t StreamBlockOffset = + blockToOffset(StreamBlockAddr, Pdb.getBlockSize()) + OffsetInBlock; + + StringRef Data = Pdb.getBlockData(StreamBlockAddr, Pdb.getBlockSize()); + + const char *ChunkStart = Data.data() + StreamBlockOffset; + uint32_t BytesInChunk = + std::min(BytesLeft, Pdb.getBlockSize() - OffsetInBlock); + ::memcpy(WriteBuffer + BytesWritten, ChunkStart, BytesInChunk); + + BytesWritten += BytesInChunk; + BytesLeft -= BytesInChunk; + ++BlockNum; + OffsetInBlock = 0; + } + return std::error_code(); +} + +void PDBStream::SetOffset(uint32_t O) { this->Offset = O; } + +uint32_t PDBStream::GetOffset() const { return this->Offset; } + +uint32_t PDBStream::GetLength() const { return this->StreamLength; } Index: lib/DebugInfo/PDB/Raw/RawSession.cpp =================================================================== --- /dev/null +++ lib/DebugInfo/PDB/Raw/RawSession.cpp @@ -0,0 +1,126 @@ +//===- RawSession.cpp - Raw implementation of IPDBSession -------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#include "llvm/DebugInfo/PDB/Raw/RawSession.h" +#include "llvm/DebugInfo/PDB/IPDBEnumChildren.h" +#include "llvm/DebugInfo/PDB/IPDBSourceFile.h" +#include "llvm/DebugInfo/PDB/PDBSymbolCompiland.h" +#include "llvm/DebugInfo/PDB/PDBSymbolExe.h" +#include "llvm/DebugInfo/PDB/Raw/PdbFile.h" + +#include "llvm/Support/ErrorOr.h" +#include "llvm/Support/MemoryBuffer.h" + +using namespace llvm; + +RawSession::RawSession(std::unique_ptr PdbFile) + : Pdb(std::move(PdbFile)) {} + +RawSession::~RawSession() {} + +PDB_ErrorCode RawSession::createFromPdb(StringRef Path, + std::unique_ptr &Session) { + + ErrorOr> ErrorOrBuffer = + MemoryBuffer::getFileOrSTDIN(Path, /*FileSize=*/-1, + /*RequiresNullTerminator=*/false); + + std::error_code EC; + if (EC = ErrorOrBuffer.getError()) + return PDB_ErrorCode::CouldNotCreateImpl; + + std::unique_ptr &Buffer = ErrorOrBuffer.get(); + + std::unique_ptr File(new PDBFile(std::move(Buffer))); + if (EC = File->ParseFileHeaders()) + return PDB_ErrorCode::InvalidFileFormat; + if (EC = File->ParseStreamData()) + return PDB_ErrorCode::InvalidFileFormat; + + Session.reset(new RawSession(std::move(File))); + + return PDB_ErrorCode::Success; +} + +PDB_ErrorCode RawSession::createFromExe(StringRef Path, + std::unique_ptr &Session) { + return PDB_ErrorCode::CouldNotCreateImpl; +} + +uint64_t RawSession::getLoadAddress() const { return 0; } + +void RawSession::setLoadAddress(uint64_t Address) {} + +std::unique_ptr RawSession::getGlobalScope() const { + return nullptr; +} + +std::unique_ptr RawSession::getSymbolById(uint32_t SymbolId) const { + return nullptr; +} + +std::unique_ptr +RawSession::findSymbolByAddress(uint64_t Address, PDB_SymType Type) const { + return nullptr; +} + +std::unique_ptr +RawSession::findLineNumbers(const PDBSymbolCompiland &Compiland, + const IPDBSourceFile &File) const { + return nullptr; +} + +std::unique_ptr +RawSession::findLineNumbersByAddress(uint64_t Address, uint32_t Length) const { + return nullptr; +} + +std::unique_ptr +RawSession::findSourceFiles(const PDBSymbolCompiland *Compiland, + llvm::StringRef Pattern, + PDB_NameSearchFlags Flags) const { + return nullptr; +} + +std::unique_ptr +RawSession::findOneSourceFile(const PDBSymbolCompiland *Compiland, + llvm::StringRef Pattern, + PDB_NameSearchFlags Flags) const { + return nullptr; +} + +std::unique_ptr> +RawSession::findCompilandsForSourceFile(llvm::StringRef Pattern, + PDB_NameSearchFlags Flags) const { + return nullptr; +} + +std::unique_ptr +RawSession::findOneCompilandForSourceFile(llvm::StringRef Pattern, + PDB_NameSearchFlags Flags) const { + return nullptr; +} + +std::unique_ptr RawSession::getAllSourceFiles() const { + return nullptr; +} + +std::unique_ptr RawSession::getSourceFilesForCompiland( + const PDBSymbolCompiland &Compiland) const { + return nullptr; +} + +std::unique_ptr +RawSession::getSourceFileById(uint32_t FileId) const { + return nullptr; +} + +std::unique_ptr RawSession::getDebugStreams() const { + return nullptr; +} Index: tools/llvm-pdbdump/BuiltinDumper.h =================================================================== --- tools/llvm-pdbdump/BuiltinDumper.h +++ tools/llvm-pdbdump/BuiltinDumper.h @@ -10,6 +10,7 @@ #ifndef LLVM_TOOLS_LLVMPDBDUMP_BUILTINDUMPER_H #define LLVM_TOOLS_LLVMPDBDUMP_BUILTINDUMPER_H +#include "llvm/ADT/StringRef.h" #include "llvm/DebugInfo/PDB/PDBSymDumper.h" namespace llvm { Index: tools/llvm-pdbdump/llvm-pdbdump.cpp =================================================================== --- tools/llvm-pdbdump/llvm-pdbdump.cpp +++ tools/llvm-pdbdump/llvm-pdbdump.cpp @@ -35,6 +35,9 @@ #include "llvm/DebugInfo/PDB/PDBSymbolExe.h" #include "llvm/DebugInfo/PDB/PDBSymbolFunc.h" #include "llvm/DebugInfo/PDB/PDBSymbolThunk.h" +#include "llvm/DebugInfo/PDB/Raw/PDBFile.h" +#include "llvm/DebugInfo/PDB/Raw/PDBStream.h" +#include "llvm/DebugInfo/PDB/Raw/RawSession.h" #include "llvm/Support/CommandLine.h" #include "llvm/Support/ConvertUTF.h" #include "llvm/Support/FileSystem.h" @@ -43,8 +46,8 @@ #include "llvm/Support/MemoryBuffer.h" #include "llvm/Support/PrettyStackTrace.h" #include "llvm/Support/Process.h" -#include "llvm/Support/raw_ostream.h" #include "llvm/Support/Signals.h" +#include "llvm/Support/raw_ostream.h" #if defined(HAVE_DIA_SDK) #ifndef NOMINMAX @@ -152,186 +155,32 @@ reportError(Input, EC.message()); } -static std::error_code checkOffset(MemoryBufferRef M, uintptr_t Addr, - const uint64_t Size) { - if (Addr + Size < Addr || Addr + Size < Size || - Addr + Size > uintptr_t(M.getBufferEnd()) || - Addr < uintptr_t(M.getBufferStart())) { - return std::make_error_code(std::errc::bad_address); - } - return std::error_code(); -} - -template -static std::error_code checkOffset(MemoryBufferRef M, ArrayRef AR) { - return checkOffset(M, uintptr_t(AR.data()), (uint64_t)AR.size() * sizeof(T)); -} - -static std::error_code checkOffset(MemoryBufferRef M, StringRef SR) { - return checkOffset(M, uintptr_t(SR.data()), SR.size()); -} - -// Sets Obj unless any bytes in [addr, addr + size) fall outsize of m. -// Returns unexpected_eof if error. -template -static std::error_code getObject(const T *&Obj, MemoryBufferRef M, - const void *Ptr, - const uint64_t Size = sizeof(T)) { - uintptr_t Addr = uintptr_t(Ptr); - if (std::error_code EC = checkOffset(M, Addr, Size)) - return EC; - Obj = reinterpret_cast(Addr); - return std::error_code(); -} - -static uint64_t bytesToBlocks(uint64_t NumBytes, uint64_t BlockSize) { - return alignTo(NumBytes, BlockSize) / BlockSize; -} - -static uint64_t blockToOffset(uint64_t BlockNumber, uint64_t BlockSize) { - return BlockNumber * BlockSize; -} - -struct PDBStructureContext { - const PDB::SuperBlock *SB; - MemoryBufferRef M; - std::vector StreamSizes; - DenseMap> StreamMap; - - SmallVector Scratch; - - // getObject tries to stitch together non-contiguous blocks into a contiguous - // value. The storage for the value comes from the memory mapped file if the - // memory would be contiguous. Otherwise, it uses 'Scratch' to buffer the - // data. - template - void getObject(const T *&Obj, uint32_t StreamIdx, uint32_t &Offset) { - // Make sure the stream index is valid. - auto StreamBlockI = StreamMap.find(StreamIdx); - if (StreamBlockI == StreamMap.end()) - reportError(M.getBufferIdentifier(), - std::make_error_code(std::errc::bad_address)); - - auto &StreamBlocks = StreamBlockI->second; - uint32_t BlockNum = Offset / SB->BlockSize; - uint32_t OffsetInBlock = Offset % SB->BlockSize; - - // Make sure we aren't trying to read beyond the end of the stream. - if (Offset + sizeof(T) > StreamSizes[StreamIdx]) - reportError(M.getBufferIdentifier(), - std::make_error_code(std::errc::bad_address)); - - // Modify the passed in offset to point to the data after the object. - Offset += sizeof(T); - - // Handle the contiguous case: the offset + size stays within a block. - if (OffsetInBlock + sizeof(T) <= SB->BlockSize) { - uint32_t StreamBlockAddr = StreamBlocks[BlockNum]; - uint64_t StreamBlockOffset = - blockToOffset(StreamBlockAddr, SB->BlockSize) + OffsetInBlock; - // Return a pointer to the memory buffer. - Obj = reinterpret_cast(M.getBufferStart() + StreamBlockOffset); - return; - } - - // The non-contiguous case: we will stitch together non-contiguous chunks - // into the scratch buffer. - Scratch.clear(); - - uint32_t BytesLeft = sizeof(T); - while (BytesLeft > 0) { - uint32_t StreamBlockAddr = StreamBlocks[BlockNum]; - uint64_t StreamBlockOffset = - blockToOffset(StreamBlockAddr, SB->BlockSize) + OffsetInBlock; - - const char *ChunkStart = - M.getBufferStart() + StreamBlockOffset; - uint32_t BytesInChunk = - std::min(BytesLeft, SB->BlockSize - OffsetInBlock); - Scratch.append(ChunkStart, ChunkStart + BytesInChunk); - - BytesLeft -= BytesInChunk; - ++BlockNum; - OffsetInBlock = 0; - } - - // Return a pointer to the scratch buffer. - Obj = reinterpret_cast(Scratch.data()); - } - - template - T getInt(uint32_t StreamIdx, uint32_t &Offset) { - const support::detail::packed_endian_specific_integral< - T, support::little, support::unaligned> *P; - getObject(P, StreamIdx, Offset); - return *P; - } - - template - T getObject(uint32_t StreamIdx, uint32_t &Offset) { - const T *P; - getObject(P, StreamIdx, Offset); - return *P; - } -}; - -static void dumpStructure(MemoryBufferRef M) { - const PDB::SuperBlock *SB; - - auto Error = [&](std::error_code EC) { - if (EC) - reportError(M.getBufferIdentifier(), EC); - }; - - Error(getObject(SB, M, M.getBufferStart())); +static void dumpStructure(RawSession &RS) { + PDBFile &File = RS.getPDBFile(); if (opts::DumpHeaders) { - outs() << "BlockSize: " << SB->BlockSize << '\n'; - outs() << "Unknown0: " << SB->Unknown0 << '\n'; - outs() << "NumBlocks: " << SB->NumBlocks << '\n'; - outs() << "NumDirectoryBytes: " << SB->NumDirectoryBytes << '\n'; - outs() << "Unknown1: " << SB->Unknown1 << '\n'; - outs() << "BlockMapAddr: " << SB->BlockMapAddr << '\n'; + outs() << "BlockSize: " << File.getBlockSize() << '\n'; + outs() << "Unknown0: " << File.getUnknown0() << '\n'; + outs() << "NumBlocks: " << File.getBlockCount() << '\n'; + outs() << "NumDirectoryBytes: " << File.getNumDirectoryBytes() << '\n'; + outs() << "Unknown1: " << File.getUnknown1() << '\n'; + outs() << "BlockMapAddr: " << File.getBlockMapIndex() << '\n'; } - // We don't support blocksizes which aren't a multiple of four bytes. - if (SB->BlockSize % sizeof(support::ulittle32_t) != 0) - Error(std::make_error_code(std::errc::not_supported)); - - // We don't support directories whose sizes aren't a multiple of four bytes. - if (SB->NumDirectoryBytes % sizeof(support::ulittle32_t) != 0) - Error(std::make_error_code(std::errc::not_supported)); - - // The number of blocks which comprise the directory is a simple function of - // the number of bytes it contains. - uint64_t NumDirectoryBlocks = - bytesToBlocks(SB->NumDirectoryBytes, SB->BlockSize); if (opts::DumpHeaders) - outs() << "NumDirectoryBlocks: " << NumDirectoryBlocks << '\n'; - - // The block map, as we understand it, is a block which consists of a list of - // block numbers. - // It is unclear what would happen if the number of blocks couldn't fit on a - // single block. - if (NumDirectoryBlocks > SB->BlockSize / sizeof(support::ulittle32_t)) - Error(std::make_error_code(std::errc::illegal_byte_sequence)); + outs() << "NumDirectoryBlocks: " << File.getNumDirectoryBlocks() << '\n'; - uint64_t BlockMapOffset = (uint64_t)SB->BlockMapAddr * SB->BlockSize; if (opts::DumpHeaders) - outs() << "BlockMapOffset: " << BlockMapOffset << '\n'; + outs() << "BlockMapOffset: " << File.getBlockMapOffset() << '\n'; // The directory is not contiguous. Instead, the block map contains a // contiguous list of block numbers whose contents, when concatenated in // order, make up the directory. - auto DirectoryBlocks = - makeArrayRef(reinterpret_cast( - M.getBufferStart() + BlockMapOffset), - NumDirectoryBlocks); - Error(checkOffset(M, DirectoryBlocks)); + auto DirectoryBlocks = File.getDirectoryBlockArray(); if (opts::DumpHeaders) { outs() << "DirectoryBlocks: ["; - for (const support::ulittle32_t &DirectoryBlockAddr : DirectoryBlocks) { + for (const uint32_t &DirectoryBlockAddr : DirectoryBlocks) { if (&DirectoryBlockAddr != &DirectoryBlocks.front()) outs() << ", "; outs() << DirectoryBlockAddr; @@ -339,96 +188,23 @@ outs() << "]\n"; } - bool SeenNumStreams = false; - uint32_t NumStreams = 0; - uint32_t StreamIdx = 0; - uint64_t DirectoryBytesRead = 0; - PDBStructureContext Ctx; - Ctx.SB = SB; - Ctx.M = M; - // The structure of the directory is as follows: - // struct PDBDirectory { - // uint32_t NumStreams; - // uint32_t StreamSizes[NumStreams]; - // uint32_t StreamMap[NumStreams][]; - // }; - // - // Empty streams don't consume entries in the StreamMap. - for (uint32_t DirectoryBlockAddr : DirectoryBlocks) { - uint64_t DirectoryBlockOffset = - blockToOffset(DirectoryBlockAddr, SB->BlockSize); - auto DirectoryBlock = - makeArrayRef(reinterpret_cast( - M.getBufferStart() + DirectoryBlockOffset), - SB->BlockSize / sizeof(support::ulittle32_t)); - Error(checkOffset(M, DirectoryBlock)); - - // We read data out of the directory four bytes at a time. Depending on - // where we are in the directory, the contents may be: the number of streams - // in the directory, a stream's size, or a block in the stream map. - for (uint32_t Data : DirectoryBlock) { - // Don't read beyond the end of the directory. - if (DirectoryBytesRead == SB->NumDirectoryBytes) - break; - - DirectoryBytesRead += sizeof(Data); - - // This data must be the number of streams if we haven't seen it yet. - if (!SeenNumStreams) { - NumStreams = Data; - SeenNumStreams = true; - continue; - } - // This data must be a stream size if we have not seen them all yet. - if (Ctx.StreamSizes.size() < NumStreams) { - // It seems like some streams have their set to -1 when their contents - // are not present. Treat them like empty streams for now. - if (Data == UINT32_MAX) - Ctx.StreamSizes.push_back(0); - else - Ctx.StreamSizes.push_back(Data); - continue; - } - - // This data must be a stream block number if we have seen all of the - // stream sizes. - std::vector *StreamBlocks = nullptr; - // Figure out which stream this block number belongs to. - while (StreamIdx < NumStreams) { - uint64_t NumExpectedStreamBlocks = - bytesToBlocks(Ctx.StreamSizes[StreamIdx], SB->BlockSize); - StreamBlocks = &Ctx.StreamMap[StreamIdx]; - if (NumExpectedStreamBlocks > StreamBlocks->size()) - break; - ++StreamIdx; - } - // It seems this block doesn't belong to any stream? The stream is either - // corrupt or something more mysterious is going on. - if (StreamIdx == NumStreams) - Error(std::make_error_code(std::errc::illegal_byte_sequence)); - - StreamBlocks->push_back(Data); - } - } - - // We should have read exactly SB->NumDirectoryBytes bytes. - assert(DirectoryBytesRead == SB->NumDirectoryBytes); - if (opts::DumpHeaders) - outs() << "NumStreams: " << NumStreams << '\n'; - if (opts::DumpStreamSizes) - for (uint32_t StreamIdx = 0; StreamIdx < NumStreams; ++StreamIdx) + outs() << "NumStreams: " << File.getNumStreams() << '\n'; + uint32_t StreamCount = File.getNumStreams(); + if (opts::DumpStreamSizes) { + for (uint32_t StreamIdx = 0; StreamCount; ++StreamIdx) outs() << "StreamSizes[" << StreamIdx - << "]: " << Ctx.StreamSizes[StreamIdx] << '\n'; + << "]: " << File.getStreamByteSize(StreamIdx) << '\n'; + } if (opts::DumpStreamBlocks) { - for (uint32_t StreamIdx = 0; StreamIdx < NumStreams; ++StreamIdx) { + for (uint32_t StreamIdx = 0; StreamIdx < StreamCount; ++StreamIdx) { outs() << "StreamBlocks[" << StreamIdx << "]: ["; - std::vector &StreamBlocks = Ctx.StreamMap[StreamIdx]; - for (uint32_t &StreamBlock : StreamBlocks) { - if (&StreamBlock != &StreamBlocks.front()) + auto StreamBlocks = File.getStreamBlockList(StreamIdx); + for (size_t i = 0; i < StreamBlocks.size(); ++i) { + if (i != 0) outs() << ", "; - outs() << StreamBlock; + outs() << StreamBlocks[i]; } outs() << "]\n"; } @@ -437,103 +213,107 @@ StringRef DumpStreamStr = opts::DumpStreamData; uint32_t DumpStreamNum; if (!DumpStreamStr.getAsInteger(/*Radix=*/0U, DumpStreamNum) && - DumpStreamNum < NumStreams) { + DumpStreamNum < StreamCount) { uint32_t StreamBytesRead = 0; - uint32_t StreamSize = Ctx.StreamSizes[DumpStreamNum]; - std::vector &StreamBlocks = Ctx.StreamMap[DumpStreamNum]; - for (uint32_t &StreamBlockAddr : StreamBlocks) { - uint64_t StreamBlockOffset = blockToOffset(StreamBlockAddr, SB->BlockSize); + uint32_t StreamSize = File.getStreamByteSize(DumpStreamNum); + auto StreamBlocks = File.getStreamBlockList(DumpStreamNum); + + for (uint32_t StreamBlockAddr : StreamBlocks) { uint32_t BytesLeftToReadInStream = StreamSize - StreamBytesRead; if (BytesLeftToReadInStream == 0) break; uint32_t BytesToReadInBlock = std::min( - BytesLeftToReadInStream, static_cast(SB->BlockSize)); + BytesLeftToReadInStream, static_cast(File.getBlockSize())); auto StreamBlockData = - StringRef(M.getBufferStart() + StreamBlockOffset, BytesToReadInBlock); - Error(checkOffset(M, StreamBlockData)); + File.getBlockData(StreamBlockAddr, BytesToReadInBlock); outs() << StreamBlockData; StreamBytesRead += StreamBlockData.size(); } } - uint32_t Offset = 0; - // Stream 1 starts with the following header: // uint32_t Version; // uint32_t Signature; // uint32_t Age; // GUID Guid; - auto Version = Ctx.getInt(/*PDBStream=*/1, Offset); - outs() << "Version: " << Version << '\n'; + PDBStream Stream1(1, File); + uint32_t Version; + uint32_t Signature; + uint32_t Age; + PDB_UniqueId Guid; + Stream1.ReadInteger(Version); + outs() << "Version: " << Version << '\n'; // PDB's with versions before PDBImpvVC70 might not have the Guid field, we // don't support them. if (Version < 20000404) - Error(std::make_error_code(std::errc::not_supported)); + reportError("", std::make_error_code(std::errc::not_supported)); // This appears to be the time the PDB was last opened by an MSVC tool? // It is definitely a timestamp of some sort. - auto Signature = Ctx.getInt(/*PDBStream=*/1, Offset); + Stream1.ReadInteger(Signature); outs() << "Signature: "; outs().write_hex(Signature) << '\n'; // This appears to be a number which is used to determine that the PDB is kept // in sync with the EXE. - auto Age = Ctx.getInt(/*PDBStream=*/1, Offset); + Stream1.ReadInteger(Age); outs() << "Age: " << Age << '\n'; // I'm not sure what the purpose of the GUID is. - using GuidTy = char[16]; - const GuidTy *Guid; - Ctx.getObject(Guid, /*PDBStream=*/1, Offset); - outs() << "Guid: "; - for (char C : *Guid) - outs().write_hex(C & 0xff) << ' '; - outs() << '\n'; + Stream1.ReadObject(&Guid); + outs() << "Guid: " << Guid << '\n'; // This is some sort of weird string-set/hash table encoded in the stream. // It starts with the number of bytes in the table. - auto NumberOfBytes = Ctx.getInt(/*PDBStream=*/1, Offset); + uint32_t NumberOfBytes; + Stream1.ReadInteger(NumberOfBytes); outs() << "NumberOfBytes: " << NumberOfBytes << '\n'; // Following that field is the starting offset of strings in the name table. - uint32_t StringsOffset = Offset; - Offset += NumberOfBytes; + uint32_t StringsOffset = Stream1.GetOffset(); + Stream1.SetOffset(StringsOffset + NumberOfBytes); // This appears to be equivalent to the total number of strings *actually* // in the name table. - auto HashSize = Ctx.getInt(/*PDBStream=*/1, Offset); + uint32_t HashSize; + Stream1.ReadInteger(HashSize); outs() << "HashSize: " << HashSize << '\n'; // This appears to be an upper bound on the number of strings in the name // table. - auto MaxNumberOfStrings = Ctx.getInt(/*PDBStream=*/1, Offset); + uint32_t MaxNumberOfStrings; + Stream1.ReadInteger(MaxNumberOfStrings); outs() << "MaxNumberOfStrings: " << MaxNumberOfStrings << '\n'; // This appears to be a hash table which uses bitfields to determine whether // or not a bucket is 'present'. - auto NumPresentWords = Ctx.getInt(/*PDBStream=*/1, Offset); + uint32_t NumPresentWords; + Stream1.ReadInteger(NumPresentWords); outs() << "NumPresentWords: " << NumPresentWords << '\n'; // Store all the 'present' bits in a vector for later processing. SmallVector PresentWords; for (uint32_t I = 0; I != NumPresentWords; ++I) { - auto Word = Ctx.getInt(/*PDBStream=*/1, Offset); + uint32_t Word; + Stream1.ReadInteger(Word); PresentWords.push_back(Word); outs() << "Word: " << Word << '\n'; } // This appears to be a hash table which uses bitfields to determine whether // or not a bucket is 'deleted'. - auto NumDeletedWords = Ctx.getInt(/*PDBStream=*/1, Offset); + uint32_t NumDeletedWords; + Stream1.ReadInteger(NumDeletedWords); outs() << "NumDeletedWords: " << NumDeletedWords << '\n'; // Store all the 'deleted' bits in a vector for later processing. SmallVector DeletedWords; for (uint32_t I = 0; I != NumDeletedWords; ++I) { - auto Word = Ctx.getInt(/*PDBStream=*/1, Offset); + uint32_t Word; + Stream1.ReadInteger(Word); DeletedWords.push_back(Word); outs() << "Word: " << Word << '\n'; } @@ -554,26 +334,25 @@ // This appears to be an offset relative to the start of the strings. // It tells us where the null-terminated string begins. - auto NameOffset = Ctx.getInt(/*PDBStream=*/1, Offset); + uint32_t NameOffset; + Stream1.ReadInteger(NameOffset); outs() << "NameOffset: " << NameOffset << '\n'; // This appears to be a stream number into the stream directory. - auto NameIndex = Ctx.getInt(/*PDBStream=*/1, Offset); + uint32_t NameIndex; + Stream1.ReadInteger(NameIndex); outs() << "NameIndex: " << NameIndex << '\n'; // Compute the offset of the start of the string relative to the stream. uint32_t StringOffset = StringsOffset + NameOffset; - + uint32_t OldOffset = Stream1.GetOffset(); // Pump out our c-string from the stream. - SmallString<8> Str; - char C; - do { - C = Ctx.getObject(/*PDBStream=*/1, StringOffset); - if (C != '\0') - Str += C; - } while (C != '\0'); + std::string Str; + Stream1.SetOffset(StringOffset); + Stream1.ReadZeroString(Str); outs() << "String: " << Str << "\n\n"; + Stream1.SetOffset(OldOffset); // Add this to a string-map from name to stream number. NamedStreams.insert({Str, NameIndex}); } @@ -581,45 +360,38 @@ // Let's try to dump out the named stream "/names". auto NameI = NamedStreams.find("/names"); if (NameI != NamedStreams.end()) { - uint32_t NameStream = NameI->second; - outs() << "NameStream: " << NameStream << '\n'; - - uint32_t NameStreamOffset = 0; + PDBStream NameStream(NameI->second, File); + outs() << "NameStream: " << NameI->second << '\n'; // The name stream appears to start with a signature and version. - auto NameStreamSignature = - Ctx.getInt(/*PDBStream=*/NameStream, NameStreamOffset); + uint32_t NameStreamSignature; + NameStream.ReadInteger(NameStreamSignature); outs() << "NameStreamSignature: "; outs().write_hex(NameStreamSignature) << '\n'; - auto NameStreamVersion = - Ctx.getInt(/*PDBStream=*/NameStream, NameStreamOffset); + uint32_t NameStreamVersion; + NameStream.ReadInteger(NameStreamVersion); outs() << "NameStreamVersion: " << NameStreamVersion << '\n'; // We only support this particular version of the name stream. if (NameStreamSignature != 0xeffeeffe || NameStreamVersion != 1) - Error(std::make_error_code(std::errc::not_supported)); + reportError("", std::make_error_code(std::errc::not_supported)); } } static void dumpInput(StringRef Path) { + std::unique_ptr Session; if (opts::DumpHeaders || !opts::DumpStreamData.empty()) { - ErrorOr> ErrorOrBuffer = - MemoryBuffer::getFileOrSTDIN(Path, /*FileSize=*/-1, - /*RequiresNullTerminator=*/false); - - if (std::error_code EC = ErrorOrBuffer.getError()) - reportError(Path, EC); - - std::unique_ptr &Buffer = ErrorOrBuffer.get(); - - dumpStructure(Buffer->getMemBufferRef()); + PDB_ErrorCode Error = loadDataForPDB(PDB_ReaderType::Raw, Path, Session); + if (Error == PDB_ErrorCode::Success) { + RawSession *RS = static_cast(Session.get()); + dumpStructure(*RS); + } outs().flush(); return; } - std::unique_ptr Session; PDB_ErrorCode Error = loadDataForPDB(PDB_ReaderType::DIA, Path, Session); switch (Error) { case PDB_ErrorCode::Success: