PluginLoader.h revision 63b3afa98460ce38a1c48d3c44ef6edfdaf37b77 
1//===-- llvm/Support/PluginLoader.h - Plugin Loader for Tools ---*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file was developed by the LLVM research group and is distributed under
6// the University of Illinois Open Source 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  };
26
27#ifndef DONT_GET_PLUGIN_LOADER_OPTION
28  // This causes operator= above to be invoked for every -load option.
29  static cl::opt<PluginLoader, false, cl::parser<std::string> >
30    LoadOpt("load", cl::ZeroOrMore, cl::value_desc("pluginfilename"),
31            cl::desc("Load the specified plugin"));
32#endif
33}
34
35#endif
36