LCOV - code coverage report
Current view: top level - include/llvm/DebugInfo/PDB/Native - DbiStreamBuilder.h (source / functions) Hit Total Coverage
Test: llvm-toolchain.info Lines: 2 2 100.0 %
Date: 2017-09-14 15:23:50 Functions: 0 0 -
Legend: Lines: hit not hit

          Line data    Source code
       1             : //===- DbiStreamBuilder.h - PDB Dbi 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_PDBDBISTREAMBUILDER_H
      11             : #define LLVM_DEBUGINFO_PDB_RAW_PDBDBISTREAMBUILDER_H
      12             : 
      13             : #include "llvm/ADT/Optional.h"
      14             : #include "llvm/ADT/StringSet.h"
      15             : #include "llvm/Support/Error.h"
      16             : 
      17             : #include "llvm/DebugInfo/PDB/Native/PDBFile.h"
      18             : #include "llvm/DebugInfo/PDB/Native/PDBStringTableBuilder.h"
      19             : #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
      20             : #include "llvm/DebugInfo/PDB/PDBTypes.h"
      21             : #include "llvm/Support/BinaryByteStream.h"
      22             : #include "llvm/Support/BinaryStreamReader.h"
      23             : #include "llvm/Support/Endian.h"
      24             : 
      25             : namespace llvm {
      26             : namespace msf {
      27             : class MSFBuilder;
      28             : }
      29             : namespace object {
      30             : struct coff_section;
      31             : }
      32             : namespace pdb {
      33             : class DbiStream;
      34             : struct DbiStreamHeader;
      35             : class DbiModuleDescriptorBuilder;
      36             : class PDBFile;
      37             : 
      38             : class DbiStreamBuilder {
      39             : public:
      40             :   DbiStreamBuilder(msf::MSFBuilder &Msf);
      41             :   ~DbiStreamBuilder();
      42             : 
      43             :   DbiStreamBuilder(const DbiStreamBuilder &) = delete;
      44             :   DbiStreamBuilder &operator=(const DbiStreamBuilder &) = delete;
      45             : 
      46             :   void setVersionHeader(PdbRaw_DbiVer V);
      47             :   void setAge(uint32_t A);
      48             :   void setBuildNumber(uint16_t B);
      49             :   void setPdbDllVersion(uint16_t V);
      50             :   void setPdbDllRbld(uint16_t R);
      51             :   void setFlags(uint16_t F);
      52             :   void setMachineType(PDB_Machine M);
      53             :   void setSectionMap(ArrayRef<SecMapEntry> SecMap);
      54             : 
      55             :   // Add given bytes as a new stream.
      56             :   Error addDbgStream(pdb::DbgHeaderType Type, ArrayRef<uint8_t> Data);
      57             : 
      58             :   uint32_t addECName(StringRef Name);
      59             : 
      60             :   uint32_t calculateSerializedLength() const;
      61             : 
      62             :   void setGlobalsStreamIndex(uint32_t Index);
      63             :   void setPublicsStreamIndex(uint32_t Index);
      64             :   void setSymbolRecordStreamIndex(uint32_t Index);
      65             : 
      66             :   Expected<DbiModuleDescriptorBuilder &> addModuleInfo(StringRef ModuleName);
      67             :   Error addModuleSourceFile(DbiModuleDescriptorBuilder &Module, StringRef File);
      68             :   Expected<uint32_t> getSourceFileNameIndex(StringRef FileName);
      69             : 
      70             :   Error finalizeMsfLayout();
      71             : 
      72             :   Error commit(const msf::MSFLayout &Layout, WritableBinaryStreamRef MsfBuffer);
      73             : 
      74             :   void addSectionContrib(const SectionContrib &SC) {
      75         279 :     SectionContribs.emplace_back(SC);
      76             :   }
      77             : 
      78             :   // A helper function to create a Section Map from a COFF section header.
      79             :   static std::vector<SecMapEntry>
      80             :   createSectionMap(ArrayRef<llvm::object::coff_section> SecHdrs);
      81             : 
      82             : private:
      83          57 :   struct DebugStream {
      84             :     ArrayRef<uint8_t> Data;
      85             :     uint16_t StreamNumber = kInvalidStreamIndex;
      86             :   };
      87             : 
      88             :   Error finalize();
      89             :   uint32_t calculateModiSubstreamSize() const;
      90             :   uint32_t calculateNamesOffset() const;
      91             :   uint32_t calculateSectionContribsStreamSize() const;
      92             :   uint32_t calculateSectionMapStreamSize() const;
      93             :   uint32_t calculateFileInfoSubstreamSize() const;
      94             :   uint32_t calculateNamesBufferSize() const;
      95             :   uint32_t calculateDbgStreamsSize() const;
      96             : 
      97             :   Error generateFileInfoSubstream();
      98             : 
      99             :   msf::MSFBuilder &Msf;
     100             :   BumpPtrAllocator &Allocator;
     101             : 
     102             :   Optional<PdbRaw_DbiVer> VerHeader;
     103             :   uint32_t Age;
     104             :   uint16_t BuildNumber;
     105             :   uint16_t PdbDllVersion;
     106             :   uint16_t PdbDllRbld;
     107             :   uint16_t Flags;
     108             :   PDB_Machine MachineType;
     109             :   uint32_t GlobalsStreamIndex = kInvalidStreamIndex;
     110             :   uint32_t PublicsStreamIndex = kInvalidStreamIndex;
     111             :   uint32_t SymRecordStreamIndex = kInvalidStreamIndex;
     112             : 
     113             :   const DbiStreamHeader *Header;
     114             : 
     115             :   std::vector<std::unique_ptr<DbiModuleDescriptorBuilder>> ModiList;
     116             : 
     117             :   StringMap<uint32_t> SourceFileNames;
     118             : 
     119             :   PDBStringTableBuilder ECNamesBuilder;
     120             :   WritableBinaryStreamRef NamesBuffer;
     121             :   MutableBinaryByteStream FileInfoBuffer;
     122             :   std::vector<SectionContrib> SectionContribs;
     123             :   ArrayRef<SecMapEntry> SectionMap;
     124             :   llvm::SmallVector<DebugStream, (int)DbgHeaderType::Max> DbgStreams;
     125             : };
     126             : }
     127             : }
     128             : 
     129             : #endif

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