contrib/llvm/include/llvm/DebugInfo/PDB/Raw/TpiStream.h

   1 //===- TpiStream.cpp - PDB Type Info (TPI) Stream 2 Access ------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #ifndef LLVM_DEBUGINFO_PDB_RAW_PDBTPISTREAM_H
  11 #define LLVM_DEBUGINFO_PDB_RAW_PDBTPISTREAM_H
  12
  13 #include "llvm/DebugInfo/CodeView/StreamArray.h"
  14 #include "llvm/DebugInfo/CodeView/StreamRef.h"
  15 #include "llvm/DebugInfo/CodeView/TypeRecord.h"
  16 #include "llvm/DebugInfo/PDB/PDBTypes.h"
  17 #include "llvm/DebugInfo/PDB/Raw/MappedBlockStream.h"
  18 #include "llvm/DebugInfo/PDB/Raw/RawConstants.h"
  19 #include "llvm/DebugInfo/PDB/Raw/RawTypes.h"
  20 #include "llvm/Support/raw_ostream.h"
  21
  22 #include "llvm/Support/Error.h"
  23
  24 namespace llvm {
  25 namespace pdb {
  26 class PDBFile;
  27
  28 class TpiStream {
  29   struct HeaderInfo;
  30
  31 public:
  32   TpiStream(const PDBFile &File, std::unique_ptr<MappedBlockStream> Stream);
  33   ~TpiStream();
  34   Error reload();
  35
  36   PdbRaw_TpiVer getTpiVersion() const;
  37
  38   uint32_t TypeIndexBegin() const;
  39   uint32_t TypeIndexEnd() const;
  40   uint32_t NumTypeRecords() const;
  41   uint16_t getTypeHashStreamIndex() const;
  42   uint16_t getTypeHashStreamAuxIndex() const;
  43
  44   uint32_t getHashKeySize() const;
  45   uint32_t NumHashBuckets() const;
  46   codeview::FixedStreamArray<support::ulittle32_t> getHashValues() const;
  47   codeview::FixedStreamArray<TypeIndexOffset> getTypeIndexOffsets() const;
  48   codeview::FixedStreamArray<TypeIndexOffset> getHashAdjustments() const;
  49
  50   iterator_range<codeview::CVTypeArray::Iterator> types(bool *HadError) const;
  51
  52   Error commit();
  53
  54 private:
  55   Error verifyHashValues();
  56
  57   const PDBFile &Pdb;
  58   std::unique_ptr<MappedBlockStream> Stream;
  59
  60   codeview::CVTypeArray TypeRecords;
  61
  62   std::unique_ptr<MappedBlockStream> HashStream;
  63   codeview::FixedStreamArray<support::ulittle32_t> HashValues;
  64   codeview::FixedStreamArray<TypeIndexOffset> TypeIndexOffsets;
  65   codeview::FixedStreamArray<TypeIndexOffset> HashAdjustments;
  66
  67   const HeaderInfo *Header;
  68 };
  69 }
  70 }
  71
  72 #endif