Function getSymbolAddress

src/program/utils.cpp:199–231

}

uint64_t getSymbolAddress(const char* symbol, const char* file)
{
    static std::string symbol_file;
    static std::map<std::string, uint64_t> symbol_addresses;
    
    if (symbol_file.compare(file) != 0) {
        symbol_file = file;
        symbol_addresses.clear();
        
        std::ostringstream cmd;
        cmd << "readelf -Ws \"" << file << "\" | awk '{print $2 " " $8}'";

        std::string outputstr;
        FILE *output = popen(cmd.str().c_str(), "r");
        if (output != NULL) {
            char buf[256];
            while (fgets(buf, 256, output) != nullptr) {
                std::istringstream iss(buf);
                uint64_t addr;
                std::string sym;
                iss >> std::hex >> addr >> sym;
                symbol_addresses[sym] = addr;
            }
            pclose(output);
        }
    }
    
    auto search = symbol_addresses.find(std::string(symbol));
    if (search != symbol_addresses.end())
        return search->second;

    return 0;
}