1 files changed, 139 insertions, 0 deletions
diff --git a/include/llvm/DebugInfo/PDB/Native/PDBFile.h b/include/llvm/DebugInfo/PDB/Native/PDBFile.h
new file mode 100644
index 000000000000..fbca62d6e9d9
--- /dev/null
+++ b/include/llvm/DebugInfo/PDB/Native/PDBFile.h
@@ -0,0 +1,139 @@
+//===- 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/DebugInfo/MSF/IMSFFile.h"
+#include "llvm/DebugInfo/MSF/MSFCommon.h"
+#include "llvm/Support/Allocator.h"
+#include "llvm/Support/BinaryStreamRef.h"
+#include "llvm/Support/Endian.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/MathExtras.h"
+
+#include <memory>
+
+namespace llvm {
+
+class BinaryStream;
+
+namespace msf {
+class MappedBlockStream;
+}
+
+namespace pdb {
+class DbiStream;
+class GlobalsStream;
+class InfoStream;
+class StringTable;
+class PDBFileBuilder;
+class PublicsStream;
+class SymbolStream;
+class TpiStream;
+
+class PDBFile : public msf::IMSFFile {
+  friend PDBFileBuilder;
+
+public:
+  PDBFile(StringRef Path, std::unique_ptr<BinaryStream> PdbFileBuffer,
+          BumpPtrAllocator &Allocator);
+  ~PDBFile() override;
+
+  StringRef getFileDirectory() const;
+  StringRef getFilePath() const;
+
+  uint32_t getFreeBlockMapBlock() const;
+  uint32_t getUnknown1() const;
+
+  uint32_t getBlockSize() const override;
+  uint32_t getBlockCount() const override;
+  uint32_t getNumDirectoryBytes() const;
+  uint32_t getBlockMapIndex() const;
+  uint32_t getNumDirectoryBlocks() const;
+  uint64_t getBlockMapOffset() const;
+
+  uint32_t getNumStreams() const override;
+  uint32_t getStreamByteSize(uint32_t StreamIndex) const override;
+  ArrayRef<support::ulittle32_t>
+  getStreamBlockList(uint32_t StreamIndex) const override;
+  uint32_t getFileSize() const;
+
+  Expected<ArrayRef<uint8_t>> getBlockData(uint32_t BlockIndex,
+                                           uint32_t NumBytes) const override;
+  Error setBlockData(uint32_t BlockIndex, uint32_t Offset,
+                     ArrayRef<uint8_t> Data) const override;
+
+  ArrayRef<uint32_t> getFpmPages() const { return FpmPages; }
+
+  ArrayRef<support::ulittle32_t> getStreamSizes() const {
+    return ContainerLayout.StreamSizes;
+  }
+  ArrayRef<ArrayRef<support::ulittle32_t>> getStreamMap() const {
+    return ContainerLayout.StreamMap;
+  }
+
+  const msf::MSFLayout &getMsfLayout() const { return ContainerLayout; }
+  BinaryStreamRef getMsfBuffer() const { return *Buffer; }
+
+  ArrayRef<support::ulittle32_t> getDirectoryBlockArray() const;
+
+  Error parseFileHeaders();
+  Error parseStreamData();
+
+  Expected<InfoStream &> getPDBInfoStream();
+  Expected<DbiStream &> getPDBDbiStream();
+  Expected<GlobalsStream &> getPDBGlobalsStream();
+  Expected<TpiStream &> getPDBTpiStream();
+  Expected<TpiStream &> getPDBIpiStream();
+  Expected<PublicsStream &> getPDBPublicsStream();
+  Expected<SymbolStream &> getPDBSymbolStream();
+  Expected<StringTable &> getStringTable();
+
+  BumpPtrAllocator &getAllocator() { return Allocator; }
+
+  bool hasPDBDbiStream() const;
+  bool hasPDBGlobalsStream();
+  bool hasPDBInfoStream();
+  bool hasPDBIpiStream() const;
+  bool hasPDBPublicsStream();
+  bool hasPDBSymbolStream();
+  bool hasPDBTpiStream() const;
+  bool hasStringTable();
+
+private:
+  Expected<std::unique_ptr<msf::MappedBlockStream>>
+  safelyCreateIndexedStream(const msf::MSFLayout &Layout,
+                            BinaryStreamRef MsfData,
+                            uint32_t StreamIndex) const;
+
+  std::string FilePath;
+  BumpPtrAllocator &Allocator;
+
+  std::unique_ptr<BinaryStream> Buffer;
+
+  std::vector<uint32_t> FpmPages;
+  msf::MSFLayout ContainerLayout;
+
+  std::unique_ptr<GlobalsStream> Globals;
+  std::unique_ptr<InfoStream> Info;
+  std::unique_ptr<DbiStream> Dbi;
+  std::unique_ptr<TpiStream> Tpi;
+  std::unique_ptr<TpiStream> Ipi;
+  std::unique_ptr<PublicsStream> Publics;
+  std::unique_ptr<SymbolStream> Symbols;
+  std::unique_ptr<msf::MappedBlockStream> DirectoryStream;
+  std::unique_ptr<msf::MappedBlockStream> StringTableStream;
+  std::unique_ptr<StringTable> Strings;
+};
+}
+}
+
+#endif