BindingInfo.hpp

/* Copyright 2017 - 2023 R. Thomas
 * Copyright 2017 - 2023 Quarkslab
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#ifndef LIEF_MACHO_BINDING_INFO_H
#define LIEF_MACHO_BINDING_INFO_H
#include <ostream>
 
#include "LIEF/visibility.h"
#include "LIEF/types.hpp"
#include "LIEF/Object.hpp"
 
#include "LIEF/MachO/enums.hpp"
 
namespace LIEF {
namespace MachO {
class DylibCommand;
class SegmentCommand;
class Symbol;
class BinaryParser;
 
class LIEF_API BindingInfo : public Object {
 
  friend class BinaryParser;
 
  public:
  enum class TYPES {
    UNKNOWN = 0,
    DYLD_INFO,    
    CHAINED,      
    CHAINED_LIST, 
  };
 
  BindingInfo();
 
  BindingInfo(const BindingInfo& other);
  void swap(BindingInfo& other);
 
  bool has_segment() const;
 
  const SegmentCommand* segment() const;
  SegmentCommand*       segment();
 
  bool has_library() const;
 
  const DylibCommand* library() const;
  DylibCommand*       library();
 
  bool has_symbol() const;
 
  const Symbol* symbol() const;
  Symbol*       symbol();
 
  virtual uint64_t address() const;
  virtual void address(uint64_t addr);
 
  int32_t library_ordinal() const;
  void library_ordinal(int32_t ordinal);
 
  int64_t addend() const;
  void addend(int64_t addend);
 
  bool is_weak_import() const;
  void set_weak_import(bool val = true);
 
  virtual TYPES type() const = 0;
 
  ~BindingInfo() override;
 
  void accept(Visitor& visitor) const override;
 
  LIEF_API friend std::ostream& operator<<(std::ostream& os, const BindingInfo& binding_info);
 
  protected:
  SegmentCommand* segment_ = nullptr;
  Symbol*         symbol_ = nullptr;
  int32_t         library_ordinal_ = 0;
  int64_t         addend_ = 0;
  bool            is_weak_import_ = false;
  DylibCommand*   library_ = nullptr;
  uint64_t        address_ = 0;
};
 
}
}
#endif