TapiFile.h

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//===- TapiFile.h - Text-based Dynamic Library Stub -------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file declares the TapiFile interface.
//
//===----------------------------------------------------------------------===//
 
#ifndef LLVM_OBJECT_TAPIFILE_H
#define LLVM_OBJECT_TAPIFILE_H
 
#include "llvm/ADT/StringRef.h"
#include "llvm/Object/Binary.h"
#include "llvm/Object/ObjectFile.h"
#include "llvm/Object/SymbolicFile.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/MemoryBufferRef.h"
#include "llvm/TextAPI/Architecture.h"
#include "llvm/TextAPI/InterfaceFile.h"
 
namespace llvm {
 
class raw_ostream;
 
namespace object {
 
class TapiFile : public SymbolicFile {
public:
  TapiFile(MemoryBufferRef Source, const MachO::InterfaceFile &Interface,
           MachO::Architecture Arch);
  ~TapiFile() override;
 
  void moveSymbolNext(DataRefImpl &DRI) const override;
 
  Error printSymbolName(raw_ostream &OS, DataRefImpl DRI) const override;
 
  Expected<uint32_t> getSymbolFlags(DataRefImpl DRI) const override;
 
  basic_symbol_iterator symbol_begin() const override;
 
  basic_symbol_iterator symbol_end() const override;
 
  Expected<SymbolRef::Type> getSymbolType(DataRefImpl DRI) const;
 
  bool hasSegmentInfo() { return FileKind >= MachO::FileType::TBD_V5; }
 
  static bool classof(const Binary *v) { return v->isTapiFile(); }
 
  bool is64Bit() const override { return MachO::is64Bit(Arch); }
 
private:
  struct Symbol {
    StringRef Prefix;
    StringRef Name;
    uint32_t Flags;
    SymbolRef::Type Type;
 
    constexpr Symbol(StringRef Prefix, StringRef Name, uint32_t Flags,
                     SymbolRef::Type Type)
        : Prefix(Prefix), Name(Name), Flags(Flags), Type(Type) {}
  };
 
  std::vector<Symbol> Symbols;
  MachO::Architecture Arch;
  MachO::FileType FileKind;
};
 
} // end namespace object.
} // end namespace llvm.
 
#endif // LLVM_OBJECT_TAPIFILE_H