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 | |