Logic-Recon-Engine.cpp

/* --- LOGIC RECONSTRUCTION ENGINE ---

 * This class implements a 'Linear Sweep' algorithm to parse binary data.
 
 */

class UniversalAnalyzer {
private:

    std::vector<uint8_t> firmware; // Raw byte stream buffer

    std::map<std::string, bool> detected_features;

public:
    /**
    
     * @brief File Stream Ingestion
     
     * Uses std::istream_iterator for an idiomatic C++ approach to
     
     * transform a disk file into a contiguous memory vector.
     
     */
    bool load(const char* path) {
        std::ifstream file(path, std::ios::binary);
        if (!file) return false;
        
        // Populate the vector with the entire file content
      
        firmware.assign(std::istream_iterator<uint8_t>(file), std::istream_iterator<uint8_t>());
      
        return true;
    }

    /**
    
     * @brief Static Analysis via Word Alignment
     
     * The engine scans for 32-bit "words" that match known MMIO addresses.
     
     * Note: This assumes 4-byte alignment, standard in ARM/Xtensa instruction sets.
     
     */
    void analyze(const ArchProfile& profile) {
        std::cout << "Target ISA: " << profile.name << "\n";
        std::string code_output = "/* Logic Reconstruction Output */\n";

        for (size_t i = 0; i + 3 < firmware.size(); i += 4) {
          
            // Pointer Typecasting: Interpreting 4 bytes as a single 32-bit integer
          
            uint32_t word = *reinterpret_cast<const uint32_t*>(&firmware[i]);

            // Heuristic Check: Does this word exist in our hardware dictionary?
          
            if (profile.reg_map.count(word)) {
                const Peripheral& p = profile.reg_map.at(word);
                detected_features[p.purpose] = true;
                
                code_output += "    // Identified " + p.name + "\n";
                code_output += "    " + p.code_snippet + "\n";
            }
        }

        // Output results to standard console
      
        std::cout << code_output << "\nAnalysis Complete.\n";
    }
};

int main(int argc, char* argv[]) {
    // ARGUMENT VALIDATION: Ensure the user provides a source and a target ISA
    if (argc < 3) {
        std::cout << "Usage: ./analyzer [binary] [ARM|ESP32]\n";
        return 1;
    }

    UniversalAnalyzer engine;
    if (engine.load(argv[1])) {
        std::string selection = argv[2];
        if (selection == "ARM") engine.analyze(ARM_M);
        else if (selection == "ESP32") engine.analyze(ESP32);
    }

    return 0;
}
/*