1 /** 2 * Copyright (c) 2021-2024 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef PANDA_PLUGINS_ETS_RUNTIME_ETS_NATIVE_LIBRARY_H_ 17 #define PANDA_PLUGINS_ETS_RUNTIME_ETS_NATIVE_LIBRARY_H_ 18 19 #include "runtime/include/mem/panda_string.h" 20 #include "libpandabase/os/library_loader.h" 21 22 namespace ark::ets { 23 class EtsNativeLibrary { 24 public: 25 static Expected<EtsNativeLibrary, os::Error> Load(const PandaString &name); 26 27 EtsNativeLibrary(PandaString name, os::library_loader::LibraryHandle &&handle); 28 ~EtsNativeLibrary() = default; 29 30 NO_COPY_SEMANTIC(EtsNativeLibrary); 31 DEFAULT_MOVE_SEMANTIC(EtsNativeLibrary); 32 GetName()33 const PandaString &GetName() const 34 { 35 return name_; 36 } 37 FindSymbol(const PandaString & name)38 Expected<void *, os::Error> FindSymbol(const PandaString &name) const 39 { 40 return os::library_loader::ResolveSymbol(handle_, name); 41 } 42 43 bool operator<(const EtsNativeLibrary &rhs) const 44 { 45 return handle_.GetNativeHandle() < rhs.handle_.GetNativeHandle(); 46 } 47 48 private: 49 PandaString name_; 50 os::library_loader::LibraryHandle handle_; 51 }; 52 } // namespace ark::ets 53 54 #endif // PANDA_PLUGINS_ETS_RUNTIME_ETS_NATIVE_LIBRARY_H_ 55