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 22namespace 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