DynamicSymbolCommand.hpp

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/* Copyright 2017 - 2026 R. Thomas
 * Copyright 2017 - 2026 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_DYNAMIC_SYMBOL_COMMAND_H
#define LIEF_MACHO_DYNAMIC_SYMBOL_COMMAND_H
#include <memory>
#include <ostream>
 
#include "LIEF/iterators.hpp"
#include "LIEF/visibility.h"
 
#include "LIEF/MachO/LoadCommand.hpp"
 
 
namespace LIEF::MachO {
class Symbol;
class BinaryParser;
class Builder;
class Binary;
 
namespace details {
struct dysymtab_command;
}

class LIEF_API DynamicSymbolCommand : public LoadCommand {
  friend class BinaryParser;
  friend class Builder;
  friend class Binary;
 
  public:
  using indirect_symbols_t = std::vector<Symbol*>;

  using it_indirect_symbols = ref_iterator<indirect_symbols_t&>;
  using it_const_indirect_symbols = const_ref_iterator<const indirect_symbols_t&>;
 
  DynamicSymbolCommand();
 
  DynamicSymbolCommand(const details::dysymtab_command& cmd);
 
  DynamicSymbolCommand& operator=(const DynamicSymbolCommand& copy) = default;
  DynamicSymbolCommand(const DynamicSymbolCommand& copy) = default;
 
  std::unique_ptr<LoadCommand> clone() const override {
    return std::make_unique<DynamicSymbolCommand>(*this);
  }
 
  ~DynamicSymbolCommand() override = default;
 
  void accept(Visitor& visitor) const override;
 
  std::ostream& print(std::ostream& os) const override;

  uint32_t idx_local_symbol() const {
    return idx_local_symbol_;
  }

  uint32_t nb_local_symbols() const {
    return nb_local_symbols_;
  }

  uint32_t idx_external_define_symbol() const {
    return idx_external_define_symbol_;
  }

  uint32_t nb_external_define_symbols() const {
    return nb_external_define_symbols_;
  }

  uint32_t idx_undefined_symbol() const {
    return idx_undefined_symbol_;
  }

  uint32_t nb_undefined_symbols() const {
    return nb_undefined_symbols_;
  }

  uint32_t toc_offset() const {
    return toc_offset_;
  }

  uint32_t nb_toc() const {
    return nb_toc_;
  }

  uint32_t module_table_offset() const {
    return module_table_offset_;
  }

  uint32_t nb_module_table() const {
    return nb_module_table_;
  }

  uint32_t external_reference_symbol_offset() const {
    return external_reference_symbol_offset_;
  }

  uint32_t nb_external_reference_symbols() const {
    return nb_external_reference_symbols_;
  }

  uint32_t indirect_symbol_offset() const {
    return indirect_sym_offset_;
  }

  uint32_t nb_indirect_symbols() const {
    return nb_indirect_symbols_;
  }
 

  uint32_t external_relocation_offset() const {
    return external_relocation_offset_;
  }

  uint32_t nb_external_relocations() const {
    return nb_external_relocations_;
  }

  uint32_t local_relocation_offset() const {
    return local_relocation_offset_;
  }

  uint32_t nb_local_relocations() const {
    return nb_local_relocations_;
  }
 
  void idx_local_symbol(uint32_t value) {
    idx_local_symbol_ = value;
  }
  void nb_local_symbols(uint32_t value) {
    nb_local_symbols_ = value;
  }
 
  void idx_external_define_symbol(uint32_t value) {
    idx_external_define_symbol_ = value;
  }
  void nb_external_define_symbols(uint32_t value) {
    nb_external_define_symbols_ = value;
  }
 
  void idx_undefined_symbol(uint32_t value) {
    idx_undefined_symbol_ = value;
  }
  void nb_undefined_symbols(uint32_t value) {
    nb_undefined_symbols_ = value;
  }
 
  void toc_offset(uint32_t value) {
    toc_offset_ = value;
  }
  void nb_toc(uint32_t value) {
    nb_toc_ = value;
  }
 
  void module_table_offset(uint32_t value) {
    module_table_offset_ = value;
  }
  void nb_module_table(uint32_t value) {
    nb_module_table_ = value;
  }
 
  void external_reference_symbol_offset(uint32_t value) {
    external_reference_symbol_offset_ = value;
  }
  void nb_external_reference_symbols(uint32_t value) {
    nb_external_reference_symbols_ = value;
  }
 
  void indirect_symbol_offset(uint32_t value) {
    indirect_sym_offset_ = value;
  }
  void nb_indirect_symbols(uint32_t value) {
    nb_indirect_symbols_ = value;
  }
 
  void external_relocation_offset(uint32_t value) {
    external_relocation_offset_ = value;
  }
  void nb_external_relocations(uint32_t value) {
    nb_external_relocations_ = value;
  }
 
  void local_relocation_offset(uint32_t value) {
    local_relocation_offset_ = value;
  }
  void nb_local_relocations(uint32_t value) {
    nb_local_relocations_ = value;
  }

  it_indirect_symbols indirect_symbols() LIEF_LIFETIMEBOUND {
    return indirect_symbols_;
  }
 
  it_const_indirect_symbols indirect_symbols() const LIEF_LIFETIMEBOUND {
    return indirect_symbols_;
  }
 
  static bool classof(const LoadCommand* cmd) {
    return cmd->command() == LoadCommand::TYPE::DYSYMTAB;
  }
 
  private:
  uint32_t idx_local_symbol_ = 0;
  uint32_t nb_local_symbols_ = 0;
 
  uint32_t idx_external_define_symbol_ = 0;
  uint32_t nb_external_define_symbols_ = 0;
 
  uint32_t idx_undefined_symbol_ = 0;
  uint32_t nb_undefined_symbols_ = 0;
 
  uint32_t toc_offset_ = 0;
  uint32_t nb_toc_ = 0;
 
  uint32_t module_table_offset_ = 0;
  uint32_t nb_module_table_ = 0;
 
  uint32_t external_reference_symbol_offset_ = 0;
  uint32_t nb_external_reference_symbols_ = 0;
 
  uint32_t indirect_sym_offset_ = 0;
  uint32_t nb_indirect_symbols_ = 0;
 
  uint32_t external_relocation_offset_ = 0;
  uint32_t nb_external_relocations_ = 0;
 
  uint32_t local_relocation_offset_ = 0;
  uint32_t nb_local_relocations_ = 0;
 
  indirect_symbols_t indirect_symbols_;
};
 
}
 
#endif