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

          Line data    Source code
       1             : //===- InfoStream.h - PDB Info Stream (Stream 1) 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_PDBINFOSTREAM_H
      11             : #define LLVM_DEBUGINFO_PDB_RAW_PDBINFOSTREAM_H
      12             : 
      13             : #include "llvm/ADT/BitmaskEnum.h"
      14             : #include "llvm/ADT/StringMap.h"
      15             : #include "llvm/DebugInfo/CodeView/GUID.h"
      16             : #include "llvm/DebugInfo/MSF/MappedBlockStream.h"
      17             : #include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h"
      18             : #include "llvm/DebugInfo/PDB/Native/RawConstants.h"
      19             : #include "llvm/DebugInfo/PDB/PDBTypes.h"
      20             : 
      21             : #include "llvm/Support/Endian.h"
      22             : #include "llvm/Support/Error.h"
      23             : 
      24             : namespace llvm {
      25             : namespace pdb {
      26             : class InfoStreamBuilder;
      27             : class PDBFile;
      28             : 
      29         340 : class InfoStream {
      30             :   friend class InfoStreamBuilder;
      31             : 
      32             : public:
      33             :   InfoStream(std::unique_ptr<msf::MappedBlockStream> Stream);
      34             : 
      35             :   Error reload();
      36             : 
      37             :   uint32_t getStreamSize() const;
      38             : 
      39             :   bool containsIdStream() const;
      40             :   PdbRaw_ImplVer getVersion() const;
      41             :   uint32_t getSignature() const;
      42             :   uint32_t getAge() const;
      43             :   codeview::GUID getGuid() const;
      44             :   uint32_t getNamedStreamMapByteSize() const;
      45             : 
      46             :   PdbRaw_Features getFeatures() const;
      47             :   ArrayRef<PdbRaw_FeatureSig> getFeatureSignatures() const;
      48             : 
      49             :   const NamedStreamMap &getNamedStreams() const;
      50             : 
      51             :   BinarySubstreamRef getNamedStreamsBuffer() const;
      52             : 
      53             :   uint32_t getNamedStreamIndex(llvm::StringRef Name) const;
      54             :   iterator_range<StringMapConstIterator<uint32_t>> named_streams() const;
      55             : 
      56             : private:
      57             :   std::unique_ptr<msf::MappedBlockStream> Stream;
      58             : 
      59             :   // PDB file format version.  We only support VC70.  See the enumeration
      60             :   // `PdbRaw_ImplVer` for the other possible values.
      61             :   uint32_t Version;
      62             : 
      63             :   // A 32-bit signature unique across all PDBs.  This is generated with
      64             :   // a call to time() when the PDB is written, but obviously this is not
      65             :   // universally unique.
      66             :   uint32_t Signature;
      67             : 
      68             :   // The number of times the PDB has been written.  Might also be used to
      69             :   // ensure that the PDB matches the executable.
      70             :   uint32_t Age;
      71             : 
      72             :   // Due to the aforementioned limitations with `Signature`, this is a new
      73             :   // signature present on VC70 and higher PDBs which is guaranteed to be
      74             :   // universally unique.
      75             :   codeview::GUID Guid;
      76             : 
      77             :   BinarySubstreamRef SubNamedStreams;
      78             : 
      79             :   std::vector<PdbRaw_FeatureSig> FeatureSignatures;
      80             :   PdbRaw_Features Features = PdbFeatureNone;
      81             : 
      82             :   uint32_t NamedStreamMapByteSize = 0;
      83             : 
      84             :   NamedStreamMap NamedStreams;
      85             : };
      86             : }
      87             : }
      88             : 
      89             : #endif

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