LLVM  10.0.0svn
PluginLoader.h
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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 
20 
21 namespace llvm {
22  struct PluginLoader {
23  void operator=(const std::string &Filename);
24  static unsigned getNumPlugins();
25  static std::string& getPlugin(unsigned num);
26  };
27 
28 #ifndef DONT_GET_PLUGIN_LOADER_OPTION
29  // This causes operator= above to be invoked for every -load option.
31  LoadOpt("load", cl::ZeroOrMore, cl::value_desc("pluginfilename"),
32  cl::desc("Load the specified plugin"));
33 #endif
34 }
35 
36 #endif
This class represents lattice values for constants.
Definition: AllocatorList.h:23
void operator=(const std::string &Filename)
static unsigned getNumPlugins()
static cl::opt< PluginLoader, false, cl::parser< std::string > > LoadOpt("load", cl::ZeroOrMore, cl::value_desc("pluginfilename"), cl::desc("Load the specified plugin"))
static std::string & getPlugin(unsigned num)