rve/src/debug.hpp

#pragma once

#include <netinet/in.h>
#include <sys/socket.h>
#include <unistd.h>

#include <atomic>
#include <cstring>
#include <iomanip>
#include <iostream>
#include <sstream>
#include <stdexcept>
#include <thread>
#include <vector>

#include "vm.hpp"

class GDBStub {
 public:
  GDBStub(VM &vm, int port);
  ~GDBStub();

  void run();
  void stop();

 private:
  int server_fd;
  int client_fd;
  std::atomic<bool> running;

  // Buffer size for GDB packet handling
  static constexpr size_t BUFFER_SIZE = 4096;

  void send_packet(const std::string &packet);

  void send_ack();

  void wait_ack();

  std::string receive_packet();

  void handle_packet(const std::string &packet);

  bool parse_memory_request(const std::string &packet, size_t &addr,
                            size_t &length);

  std::string read_registers();

  std::string read_memory(size_t addr, size_t length);

  VM &vm;
};