AuxiliarySectionDefinition.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_COFF_AUXILIARY_SEC_DEF_H
#define LIEF_COFF_AUXILIARY_SEC_DEF_H
 
#include <memory>
 
#include "LIEF/visibility.h"
#include "LIEF/COFF/AuxiliarySymbol.hpp"
 
namespace LIEF {
namespace COFF {

class LIEF_API AuxiliarySectionDefinition : public AuxiliarySymbol {
  public:
  LIEF_LOCAL static std::unique_ptr<AuxiliarySectionDefinition>
      parse(const std::vector<uint8_t>& payload);
 
  AuxiliarySectionDefinition() :
    AuxiliarySymbol(AuxiliarySymbol::TYPE::SEC_DEF) {}
 
  AuxiliarySectionDefinition(uint32_t length, uint16_t nb_relocs,
                             uint16_t nb_lines, uint32_t checksum,
                             uint32_t sec_idx, uint8_t selection,
                             uint8_t reserved) :
    AuxiliarySymbol(AuxiliarySymbol::TYPE::SEC_DEF),
    length_(length),
    nb_relocs_(nb_relocs),
    nb_lines_(nb_lines),
    checksum_(checksum),
    sec_idx_(sec_idx),
    selection_((COMDAT_SELECTION)selection),
    reserved_(reserved) {}
 
  AuxiliarySectionDefinition(const AuxiliarySectionDefinition&) = default;
  AuxiliarySectionDefinition&
      operator=(const AuxiliarySectionDefinition&) = default;
 
  AuxiliarySectionDefinition(AuxiliarySectionDefinition&&) = default;
  AuxiliarySectionDefinition& operator=(AuxiliarySectionDefinition&&) = default;
 
  std::unique_ptr<AuxiliarySymbol> clone() const override {
    return std::unique_ptr<AuxiliarySectionDefinition>(
        new AuxiliarySectionDefinition{*this}
    );
  }

  enum class COMDAT_SELECTION : uint8_t {
    NONE = 0,

    NODUPLICATES = 1,

    ANY,

    SAME_SIZE,

    EXACT_MATCH,

    ASSOCIATIVE,

    LARGEST,
  };

  uint32_t length() const {
    return length_;
  }

  uint16_t nb_relocs() const {
    return nb_relocs_;
  }

  uint16_t nb_line_numbers() const {
    return nb_lines_;
  }

  uint32_t checksum() const {
    return checksum_;
  }

  uint32_t section_idx() const {
    return sec_idx_;
  }

  COMDAT_SELECTION selection() const {
    return selection_;
  }

  uint8_t reserved() const {
    return reserved_;
  }
 
  std::string to_string() const override;
 
  static bool classof(const AuxiliarySymbol* sym) {
    return sym->type() == AuxiliarySymbol::TYPE::SEC_DEF;
  }
 
  ~AuxiliarySectionDefinition() override = default;
 
  private:
  uint32_t length_ = 0;
  uint16_t nb_relocs_ = 0;
  uint16_t nb_lines_ = 0;
  uint32_t checksum_ = 0;
  uint32_t sec_idx_ = 0;
  COMDAT_SELECTION selection_ = COMDAT_SELECTION::NONE;
  uint8_t reserved_ = 0;
};
 
LIEF_API const char* to_string(AuxiliarySectionDefinition::COMDAT_SELECTION e);
 
}
}
#endif