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  1. //===-- PDBContext.h --------------------------------------------*- 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_PDBCONTEXT_H
  10. #define LLVM_DEBUGINFO_PDB_PDBCONTEXT_H
  11.  
  12. #include "llvm/DebugInfo/DIContext.h"
  13. #include "llvm/DebugInfo/PDB/IPDBSession.h"
  14. #include <cstdint>
  15. #include <memory>
  16. #include <string>
  17.  
  18. namespace llvm {
  19.  
  20. namespace object {
  21. class COFFObjectFile;
  22. } // end namespace object
  23.  
  24. namespace pdb {
  25.  
  26.   /// PDBContext
  27.   /// This data structure is the top level entity that deals with PDB debug
  28.   /// information parsing.  This data structure exists only when there is a
  29.   /// need for a transparent interface to different debug information formats
  30.   /// (e.g. PDB and DWARF).  More control and power over the debug information
  31.   /// access can be had by using the PDB interfaces directly.
  32.   class PDBContext : public DIContext {
  33.   public:
  34.     PDBContext(const object::COFFObjectFile &Object,
  35.                std::unique_ptr<IPDBSession> PDBSession);
  36.     PDBContext(PDBContext &) = delete;
  37.     PDBContext &operator=(PDBContext &) = delete;
  38.  
  39.     static bool classof(const DIContext *DICtx) {
  40.       return DICtx->getKind() == CK_PDB;
  41.     }
  42.  
  43.     void dump(raw_ostream &OS, DIDumpOptions DIDumpOpts) override;
  44.  
  45.     DILineInfo getLineInfoForAddress(
  46.         object::SectionedAddress Address,
  47.         DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override;
  48.     DILineInfo
  49.     getLineInfoForDataAddress(object::SectionedAddress Address) override;
  50.     DILineInfoTable getLineInfoForAddressRange(
  51.         object::SectionedAddress Address, uint64_t Size,
  52.         DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override;
  53.     DIInliningInfo getInliningInfoForAddress(
  54.         object::SectionedAddress Address,
  55.         DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override;
  56.  
  57.     std::vector<DILocal>
  58.     getLocalsForAddress(object::SectionedAddress Address) override;
  59.  
  60.   private:
  61.     std::string getFunctionName(uint64_t Address, DINameKind NameKind) const;
  62.     std::unique_ptr<IPDBSession> Session;
  63.   };
  64.  
  65. } // end namespace pdb
  66.  
  67. } // end namespace llvm
  68.  
  69. #endif // LLVM_DEBUGINFO_PDB_PDBCONTEXT_H
  70.