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  1. //===- DbiModuleDescriptor.h - PDB module information -----------*- C++ -*-===//
  2. //
  3. // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
  4. // See https://llvm.org/LICENSE.txt for license information.
  5. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
  6. //
  7. //===----------------------------------------------------------------------===//
  8.  
  9. #ifndef LLVM_DEBUGINFO_PDB_NATIVE_DBIMODULEDESCRIPTOR_H
  10. #define LLVM_DEBUGINFO_PDB_NATIVE_DBIMODULEDESCRIPTOR_H
  11.  
  12. #include "llvm/ADT/StringRef.h"
  13. #include "llvm/Support/BinaryStreamRef.h"
  14. #include "llvm/Support/Error.h"
  15. #include <cstdint>
  16.  
  17. namespace llvm {
  18. template <typename T> struct VarStreamArrayExtractor;
  19.  
  20. namespace pdb {
  21. struct ModuleInfoHeader;
  22. struct SectionContrib;
  23. class DbiModuleDescriptor {
  24.   friend class DbiStreamBuilder;
  25.  
  26. public:
  27.   DbiModuleDescriptor() = default;
  28.   DbiModuleDescriptor(const DbiModuleDescriptor &Info) = default;
  29.   DbiModuleDescriptor &operator=(const DbiModuleDescriptor &Info) = default;
  30.  
  31.   static Error initialize(BinaryStreamRef Stream, DbiModuleDescriptor &Info);
  32.  
  33.   bool hasECInfo() const;
  34.   uint16_t getTypeServerIndex() const;
  35.   uint16_t getModuleStreamIndex() const;
  36.   uint32_t getSymbolDebugInfoByteSize() const;
  37.   uint32_t getC11LineInfoByteSize() const;
  38.   uint32_t getC13LineInfoByteSize() const;
  39.   uint32_t getNumberOfFiles() const;
  40.   uint32_t getSourceFileNameIndex() const;
  41.   uint32_t getPdbFilePathNameIndex() const;
  42.  
  43.   StringRef getModuleName() const;
  44.   StringRef getObjFileName() const;
  45.  
  46.   uint32_t getRecordLength() const;
  47.  
  48.   const SectionContrib &getSectionContrib() const;
  49.  
  50. private:
  51.   StringRef ModuleName;
  52.   StringRef ObjFileName;
  53.   const ModuleInfoHeader *Layout = nullptr;
  54. };
  55.  
  56. } // end namespace pdb
  57.  
  58. template <> struct VarStreamArrayExtractor<pdb::DbiModuleDescriptor> {
  59.   Error operator()(BinaryStreamRef Stream, uint32_t &Length,
  60.                    pdb::DbiModuleDescriptor &Info) {
  61.     if (auto EC = pdb::DbiModuleDescriptor::initialize(Stream, Info))
  62.       return EC;
  63.     Length = Info.getRecordLength();
  64.     return Error::success();
  65.   }
  66. };
  67.  
  68. } // end namespace llvm
  69.  
  70. #endif // LLVM_DEBUGINFO_PDB_NATIVE_DBIMODULEDESCRIPTOR_H
  71.