src/gui/Mainwindow.cxx

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