AuxiliarySymbol.hpp

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/* Copyright 2017 - 2025 R. Thomas
 * Copyright 2017 - 2025 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_PE_AUXILIARY_SYMBOL_H
#define LIEF_PE_AUXILIARY_SYMBOL_H
 
#include <ostream>
#include <memory>
#include <vector>
 
#include "LIEF/visibility.h"
#include "LIEF/span.hpp"
 
namespace LIEF {
class BinaryStream;
 
namespace PE {
class Symbol;
class LIEF_API AuxiliarySymbol {
  public:
  AuxiliarySymbol() = default;
  AuxiliarySymbol(std::vector<uint8_t> payload) :
    type_(TYPE::UNKNOWN),
    payload_(std::move(payload))
  {}
  AuxiliarySymbol(const AuxiliarySymbol&) = default;
  AuxiliarySymbol& operator=(const AuxiliarySymbol&) = default;
 
  AuxiliarySymbol(AuxiliarySymbol&&) = default;
  AuxiliarySymbol& operator=(AuxiliarySymbol&&) = default;
 
  LIEF_LOCAL static std::unique_ptr<AuxiliarySymbol>
    parse(Symbol& sym, std::vector<uint8_t> payload);
 
  virtual std::unique_ptr<AuxiliarySymbol> clone() const {
    return std::unique_ptr<AuxiliarySymbol>(new AuxiliarySymbol(*this));
  }
  enum class TYPE {
    UNKNOWN = 0,
    CLR_TOKEN,    FUNC_DEF,    BF_AND_EF,    WEAK_EXTERNAL,    FILE,    SEC_DEF,
  };

AuxiliarySymbol(TYPE ty) :

type_(ty)

{}

static TYPE get_aux_type(const Symbol& sym);

TYPE type() const {

return type_;

}

span<const uint8_t> payload() const {

return payload_;

}