FunctionStarts.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_FUNCTION_STARTS_COMMAND_H
#define LIEF_MACHO_FUNCTION_STARTS_COMMAND_H
#include <vector>
#include <ostream>
 
#include "LIEF/visibility.h"
 
#include "LIEF/span.hpp"
#include "LIEF/MachO/LoadCommand.hpp"
 
namespace LIEF {
namespace MachO {
class BinaryParser;
class LinkEdit;
 
namespace details {
struct linkedit_data_command;
}
 

class LIEF_API FunctionStarts : public LoadCommand {
  friend class BinaryParser;
  friend class LinkEdit;
 
  public:
  FunctionStarts() = default;
  FunctionStarts(const details::linkedit_data_command& cmd);
 
  FunctionStarts& operator=(const FunctionStarts& copy) = default;
  FunctionStarts(const FunctionStarts& copy) = default;
 
  std::unique_ptr<LoadCommand> clone() const override {
    return std::unique_ptr<FunctionStarts>(new FunctionStarts(*this));
  }

  uint32_t data_offset() const {
    return data_offset_;
  }

  uint32_t data_size() const {
    return data_size_;
  }

  const std::vector<uint64_t>& functions() const {
    return functions_;
  }
 
  std::vector<uint64_t>& functions() {
    return functions_;
  }

  void add_function(uint64_t address) {
    functions_.emplace_back(address);
  }
 
  void data_offset(uint32_t offset) {
    data_offset_ = offset;
  }
  void data_size(uint32_t size) {
    data_size_ = size;
  }
 
  void functions(std::vector<uint64_t> funcs) {
    functions_ = std::move(funcs);
  }
 
  span<const uint8_t> content() const {
    return content_;
  }
 
  span<uint8_t> content() {
    return content_;
  }
 
  ~FunctionStarts() override = default;
 
  void accept(Visitor& visitor) const override;
 
  std::ostream& print(std::ostream& os) const override;
 
  static bool classof(const LoadCommand* cmd) {
    return cmd->command() == LoadCommand::TYPE::FUNCTION_STARTS;
  }
 
  private:
  uint32_t data_offset_ = 0;
  uint32_t data_size_ = 0;
  span<uint8_t> content_;
  std::vector<uint64_t> functions_;
};
 
}
}
#endif