LCOV - code coverage report
Current view: top level - include/llvm/DebugInfo/PDB/Native - TpiStreamBuilder.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 2 2 100.0 %
Date: 2017-09-14 15:23:50 Functions: 1 1 100.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===- TpiStreamBuilder.h - PDB Tpi Stream Creation -------------*- 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_PDBTPISTREAMBUILDER_H
      11             : #define LLVM_DEBUGINFO_PDB_RAW_PDBTPISTREAMBUILDER_H
      12             : 
      13             : #include "llvm/ADT/Optional.h"
      14             : #include "llvm/DebugInfo/CodeView/TypeRecord.h"
      15             : #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
      16             : #include "llvm/DebugInfo/PDB/Native/RawTypes.h"
      17             : #include "llvm/Support/Allocator.h"
      18             : #include "llvm/Support/BinaryByteStream.h"
      19             : #include "llvm/Support/BinaryItemStream.h"
      20             : #include "llvm/Support/BinaryStreamRef.h"
      21             : #include "llvm/Support/Error.h"
      22             : 
      23             : #include <vector>
      24             : 
      25             : namespace llvm {
      26             : class BinaryByteStream;
      27             : class WritableBinaryStreamRef;
      28             : 
      29             : template <> struct BinaryItemTraits<llvm::codeview::CVType> {
      30             :   static size_t length(const codeview::CVType &Item) { return Item.length(); }
      31             :   static ArrayRef<uint8_t> bytes(const codeview::CVType &Item) {
      32             :     return Item.data();
      33             :   }
      34             : };
      35             : 
      36             : namespace codeview {
      37             : class TypeRecord;
      38             : }
      39             : namespace msf {
      40             : class MSFBuilder;
      41             : struct MSFLayout;
      42             : }
      43             : namespace pdb {
      44             : class PDBFile;
      45             : class TpiStream;
      46             : struct TpiStreamHeader;
      47             : 
      48         600 : class TpiStreamBuilder {
      49             : public:
      50             :   explicit TpiStreamBuilder(msf::MSFBuilder &Msf, uint32_t StreamIdx);
      51             :   ~TpiStreamBuilder();
      52             : 
      53             :   TpiStreamBuilder(const TpiStreamBuilder &) = delete;
      54             :   TpiStreamBuilder &operator=(const TpiStreamBuilder &) = delete;
      55             : 
      56             :   void setVersionHeader(PdbRaw_TpiVer Version);
      57             :   void addTypeRecord(ArrayRef<uint8_t> Type, Optional<uint32_t> Hash);
      58             : 
      59             :   Error finalizeMsfLayout();
      60             : 
      61         120 :   uint32_t getRecordCount() const { return TypeRecords.size(); }
      62             : 
      63             :   Error commit(const msf::MSFLayout &Layout, WritableBinaryStreamRef Buffer);
      64             : 
      65             :   uint32_t calculateSerializedLength();
      66             : 
      67             : private:
      68             :   uint32_t calculateHashBufferSize() const;
      69             :   uint32_t calculateIndexOffsetSize() const;
      70             :   Error finalize();
      71             : 
      72             :   msf::MSFBuilder &Msf;
      73             :   BumpPtrAllocator &Allocator;
      74             : 
      75             :   size_t TypeRecordBytes = 0;
      76             : 
      77             :   PdbRaw_TpiVer VerHeader = PdbRaw_TpiVer::PdbTpiV80;
      78             :   std::vector<ArrayRef<uint8_t>> TypeRecords;
      79             :   std::vector<uint32_t> TypeHashes;
      80             :   std::vector<codeview::TypeIndexOffset> TypeIndexOffsets;
      81             :   uint32_t HashStreamIndex = kInvalidStreamIndex;
      82             :   std::unique_ptr<BinaryByteStream> HashValueStream;
      83             : 
      84             :   const TpiStreamHeader *Header;
      85             :   uint32_t Idx;
      86             : };
      87             : }
      88             : }
      89             : 
      90             : #endif

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