| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| /*! |
| * \file library_module.h |
| * \brief Module that builds from a libary of symbols. |
| */ |
| #ifndef TVM_RUNTIME_LIBRARY_MODULE_H_ |
| #define TVM_RUNTIME_LIBRARY_MODULE_H_ |
| |
| #include <tvm/runtime/c_backend_api.h> |
| #include <tvm/runtime/c_runtime_api.h> |
| #include <tvm/runtime/module.h> |
| |
| #include <functional> |
| |
| namespace tvm { |
| namespace runtime { |
| /*! |
| * \brief Library is the common interface |
| * for storing data in the form of shared libaries. |
| * |
| * \sa dso_library.cc |
| * \sa system_library.cc |
| */ |
| class Library : public Object { |
| public: |
| // destructor. |
| virtual ~Library() {} |
| /*! |
| * \brief Get the symbol address for a given name. |
| * \param name The name of the symbol. |
| * \return The symbol. |
| */ |
| virtual void* GetSymbol(const char* name) = 0; |
| // NOTE: we do not explicitly create an type index and type_key here for libary. |
| // This is because we do not need dynamic type downcasting. |
| }; |
| |
| /*! |
| * \brief Wrap a TVMBackendPackedCFunc to packed function. |
| * \param faddr The function address |
| * \param mptr The module pointer node. |
| */ |
| PackedFunc WrapPackedFunc(TVMBackendPackedCFunc faddr, const ObjectPtr<Object>& mptr); |
| |
| /*! |
| * \brief Utility to initialize conext function symbols during startup |
| * \param fgetsymbol A symbol lookup function. |
| */ |
| void InitContextFunctions(std::function<void*(const char*)> fgetsymbol); |
| |
| /*! |
| * \brief Create a module from a library. |
| * |
| * \param lib The library. |
| * \return The corresponding loaded module. |
| * |
| * \note This function can create multiple linked modules |
| * by parsing the binary blob section of the library. |
| */ |
| Module CreateModuleFromLibrary(ObjectPtr<Library> lib); |
| } // namespace runtime |
| } // namespace tvm |
| #endif // TVM_RUNTIME_LIBRARY_MODULE_H_ |