lib/Support/PluginLoader.cpp

   1 //===-- PluginLoader.cpp - Implement -load command line option ------------===//
   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 // This file implements the -load <plugin> command line option handler.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #define DONT_GET_PLUGIN_LOADER_OPTION
  15 #include "llvm/Support/PluginLoader.h"
  16 #include "llvm/System/DynamicLibrary.h"
  17 #include <iostream>
  18
  19 using namespace llvm;
  20
  21 void PluginLoader::operator=(const std::string &Filename) {
  22   std::string ErrorMessage;
  23   try {
  24     sys::DynamicLibrary::LoadLibraryPermanently(Filename.c_str());
  25   } catch (const std::string& errmsg) {
  26     if (errmsg.empty()) {
  27       ErrorMessage = "Unknown";
  28     } else {
  29       ErrorMessage = errmsg;
  30     }
  31   }
  32   if (!ErrorMessage.empty())
  33     std::cerr << "Error opening '" << Filename << "': " << ErrorMessage
  34               << "\n  -load request ignored.\n";
  35 }