1 //===-- llvm/Support/PluginLoader.h - Plugin Loader for Tools ---*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 // 9 // A tool can #include this file to get a -load option that allows the user to 10 // load arbitrary shared objects into the tool's address space. Note that this 11 // header can only be included by a program ONCE, so it should never to used by 12 // library authors. 13 // 14 //===----------------------------------------------------------------------===// 15 16 #ifndef LLVM_SUPPORT_PLUGINLOADER_H 17 #define LLVM_SUPPORT_PLUGINLOADER_H 18 19 #ifndef DONT_GET_PLUGIN_LOADER_OPTION 20 #include "llvm/Support/CommandLine.h" 21 #endif 22 23 #include <string> 24 25 namespace llvm { 26 struct PluginLoader { 27 void operator=(const std::string &Filename); 28 static unsigned getNumPlugins(); 29 static std::string& getPlugin(unsigned num); 30 }; 31 32 #ifndef DONT_GET_PLUGIN_LOADER_OPTION 33 // This causes operator= above to be invoked for every -load option. 34 static cl::opt<PluginLoader, false, cl::parser<std::string>> 35 LoadOpt("load", cl::value_desc("pluginfilename"), 36 cl::desc("Load the specified plugin")); 37 #endif 38 } 39 40 #endif 41