src/gui/Mainwindow.cxx

   1 #include "Mainwindow.hxx"
   2 #include "qt.hxx"
   3 #include "disassembler/llvm/LLVMDisassembler.hxx"
   4
   5 #include "widgets/CFGScene.hxx"
   6
   7 #include <iostream>
   8 #include <sstream>
   9 #include <map>
  10
  11 #include <QtGui>
  12
  13 namespace {
  14         BasicBlockWidget *
  15         local__add_basic_block(BasicBlock * block, Disassembler * dis,
  16                                std::map<uint64_t, BasicBlockWidget*>& known_blocks,
  17                                CFGScene * scene, uint64_t starty, uint64_t startx);
  18 }
  19
  20 Mainwindow::Mainwindow(InformationManager* mgr)
  21         : manager(mgr) {
  22         openAction = new QAction(tr("&Open"), this);
  23         // saveAction = new QAction(tr("&Save"), this);
  24         exitAction = new QAction(tr("E&xit"), this);
  25
  26         connect(openAction, SIGNAL(triggered()), this, SLOT(open()));
  27         // connect(saveAction, SIGNAL(triggered()), this, SLOT(save()));
  28         connect(exitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
  29
  30         fileMenu = menuBar()->addMenu(tr("&File"));
  31         fileMenu->addAction(openAction);
  32         // fileMenu->addAction(saveAction);
  33         fileMenu->addSeparator();
  34         fileMenu->addAction(exitAction);
  35
  36         scripting = new ScriptingDock(tr("Scripting"), this);
  37         scripting->setAllowedAreas(Qt::BottomDockWidgetArea);
  38         addDockWidget(Qt::BottomDockWidgetArea, scripting);
  39
  40         listWidget = new QListWidget();
  41         stackedWidget = new QStackedWidget();
  42         dockWidget = new QDockWidget(tr("Functions"), this);
  43         dockWidget->setAllowedAreas(Qt::LeftDockWidgetArea |
  44                                     Qt::RightDockWidgetArea);
  45         dockWidget->setWidget(listWidget);
  46         addDockWidget(Qt::LeftDockWidgetArea, dockWidget);
  47         setCentralWidget(stackedWidget);
  48
  49         connect(listWidget, SIGNAL(currentRowChanged(int)),
  50                 stackedWidget, SLOT(setCurrentIndex(int)));
  51
  52         setWindowTitle(tr("FRIDA"));
  53
  54         mgr->connect_new_function_signal([&] (Function* fun) {addFunction(fun);});
  55 }
  56
  57 void Mainwindow::quit()
  58 {
  59         QMessageBox messageBox;
  60         messageBox.setWindowTitle(tr("Notepad"));
  61         messageBox.setText(tr("Do you really want to quit?"));
  62         messageBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
  63         messageBox.setDefaultButton(QMessageBox::No);
  64         if (messageBox.exec() == QMessageBox::Yes)
  65                 qApp->quit();
  66 }
  67
  68 void Mainwindow::open() {
  69         QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"), "",
  70                                                         tr("Binaries (*)"));
  71
  72         manager->reset(fileName.toStdString());
  73 }
  74
  75 void Mainwindow::addFunction(Function* fun) {
  76         if (functions.find(fun) != functions.end())
  77                 return;
  78
  79         functions.insert(fun);
  80
  81         QTabWidget * w = new QTabWidget();
  82
  83         // CFG
  84         CFGScene * scene = new CFGScene;
  85
  86         Disassembler * dis = manager->getDisassembler();
  87         BasicBlock * block = dis->getBasicBlock(fun->getStartAddress());
  88
  89         local__add_basic_block(block, manager->getDisassembler(), blocks, scene, block->getStartAddress(), 100);
  90
  91         QGraphicsView * view = new QGraphicsView(scene);
  92         w->addTab(view, "CFG");
  93
  94         // Listing
  95         QTableWidget * t = new QTableWidget();
  96         t->setColumnCount(3);
  97         t->horizontalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);
  98
  99         w->addTab(t, "Listing");
 100
 101         listWidget->addItem(fun->getName().c_str());
 102         stackedWidget->addWidget(w);
 103 }
 104
 105 namespace {
 106         BasicBlockWidget *
 107         local__add_basic_block(BasicBlock * block, Disassembler * dis,
 108                                std::map<uint64_t, BasicBlockWidget*>& known_blocks,
 109                                CFGScene * scene, uint64_t starty, uint64_t startx) {
 110
 111                 decltype(known_blocks.begin()) old;
 112                 if ((old = known_blocks.find(block->getStartAddress())) != known_blocks.end())
 113                         return old->second;
 114
 115                 std::stringstream s;
 116                 s << "BLOCK_" << std::hex << block->getStartAddress()
 117                   << "_" << block->getEndAddress();
 118                 BasicBlockWidget * widget = new BasicBlockWidget(s.str().c_str(), block);
 119
 120                 known_blocks.insert(std::make_pair(block->getStartAddress(), widget));
 121
 122                 scene->addItem(widget);
 123                 widget->setFlag(QGraphicsItem::ItemIsMovable, true);
 124                 widget->moveBy(100*startx, block->getStartAddress() - starty);
 125
 126                 dis->printEachInstruction(block->getStartAddress(), block->getEndAddress(),
 127                                           [&](uint8_t* bytes, size_t byte_count, const std::string& line) {
 128                                                   widget->addItem(bytes, byte_count, line.c_str() + 1);
 129                                           });
 130
 131                 BasicBlockWidget *tmp, *nextl(NULL), *nextr(NULL);
 132                 BasicBlock * tmpblock;
 133                 if (block->getNextBlock(0) != 0) {
 134                         int xshift = 0;
 135                         if (block->getNextBlock(1) != 0)
 136                                 xshift = 1;
 137                         tmpblock = dis->getBasicBlock(block->getNextBlock(0));
 138                         tmp = local__add_basic_block(tmpblock, dis,
 139                                                      known_blocks,
 140                                                      scene, starty, startx+xshift);
 141                         nextl = tmp;
 142                         tmp->addPrevious(widget);
 143                 }
 144                 if (block->getNextBlock(1) != 0) {
 145                         tmpblock = dis->getBasicBlock(block->getNextBlock(1));
 146                         tmp = local__add_basic_block(tmpblock, dis,
 147                                                      known_blocks,
 148                                                      scene, starty, startx-1);
 149                         nextr = tmp;
 150                         tmp->addPrevious(widget);
 151                 }
 152                 widget->addNext(nextl, nextr);
 153                 return widget;
 154         }
 155 }