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