/******************************************************************************* * Copyright (C) 2021 MINRES Technologies GmbH * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. Neither the name of the copyright holder nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * *******************************************************************************/ #ifndef _ISS_FACTORY_H_ #define _ISS_FACTORY_H_ #include #include #include #include #include #include #include namespace iss { using cpu_ptr = std::unique_ptr; using vm_ptr= std::unique_ptr; template std::tuple create_cpu(std::string const& backend, unsigned gdb_port){ using core_type = typename PLAT::core; core_type* lcpu = new PLAT(); if(backend == "interp") return {cpu_ptr{lcpu}, vm_ptr{iss::interp::create(lcpu, gdb_port)}}; #ifdef WITH_LLVM if(backend == "llvm") return {cpu_ptr{lcpu}, vm_ptr{iss::llvm::create(lcpu, gdb_port)}}; #endif #ifdef WITH_TCC if(backend == "tcc") return {cpu_ptr{lcpu}, vm_ptr{iss::tcc::create(lcpu, gdb_port)}}; #endif return {nullptr, nullptr}; } class core_factory { using cpu_ptr = std::unique_ptr; using vm_ptr= std::unique_ptr; using base_t = std::tuple; using create_fn = std::function; using registry_t = std::unordered_map ; registry_t registry; core_factory() = default; core_factory(const core_factory &) = delete; core_factory & operator=(const core_factory &) = delete; public: static core_factory & instance() { static core_factory bf; return bf; } bool register_creator(const std::string & className, create_fn const& fn) { registry[className] = fn; return true; } base_t create(std::string const& className, unsigned gdb_port=0, void* init_data=nullptr) const { registry_t::const_iterator regEntry = registry.find(className); if (regEntry != registry.end()) return regEntry->second(gdb_port, init_data); return {nullptr, nullptr}; } std::vector get_names() { std::vector keys{registry.size()}; std::transform(std::begin(registry), std::end(registry), std::begin(keys), [](std::pair const& p){ return p.first; }); return keys; } }; } #endif /* _ISS_FACTORY_H_ */