48 lines
1.6 KiB
C++
48 lines
1.6 KiB
C++
//===-- PluginLoader.cpp - Implement -load command line option ------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file implements the -load <plugin> command line option handler.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#define DONT_GET_PLUGIN_LOADER_OPTION
|
|
#include "llvm/Support/ManagedStatic.h"
|
|
#include "llvm/Support/PluginLoader.h"
|
|
#include "llvm/Support/raw_ostream.h"
|
|
#include "llvm/Support/DynamicLibrary.h"
|
|
#include "llvm/Support/Mutex.h"
|
|
#include <vector>
|
|
using namespace llvm;
|
|
|
|
static ManagedStatic<std::vector<std::string> > Plugins;
|
|
static ManagedStatic<sys::SmartMutex<true> > PluginsLock;
|
|
|
|
void PluginLoader::operator=(const std::string &Filename) {
|
|
sys::SmartScopedLock<true> Lock(*PluginsLock);
|
|
std::string Error;
|
|
if (sys::DynamicLibrary::LoadLibraryPermanently(Filename.c_str(), &Error)) {
|
|
errs() << "Error opening '" << Filename << "': " << Error
|
|
<< "\n -load request ignored.\n";
|
|
} else {
|
|
Plugins->push_back(Filename);
|
|
}
|
|
}
|
|
|
|
unsigned PluginLoader::getNumPlugins() {
|
|
sys::SmartScopedLock<true> Lock(*PluginsLock);
|
|
return Plugins.isConstructed() ? Plugins->size() : 0;
|
|
}
|
|
|
|
std::string &PluginLoader::getPlugin(unsigned num) {
|
|
sys::SmartScopedLock<true> Lock(*PluginsLock);
|
|
assert(Plugins.isConstructed() && num < Plugins->size() &&
|
|
"Asking for an out of bounds plugin");
|
|
return (*Plugins)[num];
|
|
}
|