src/gui/Mainwindow.cxx

   1  #include "Mainwindow.hxx"
   2 #include "widgets/BasicBlockWidget.hxx"
   3 #include "qt.hxx"
   4 #include "disassembler/llvm/LLVMDisassembler.hxx"
   5
   6 #include <iostream>
   7 #include <sstream>
   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     listWidget = new QListWidget();
  28     stackedWidget = new QStackedWidget();
  29     dockWidget = new QDockWidget(tr("Functions"), this);
  30     dockWidget->setAllowedAreas(Qt::LeftDockWidgetArea |
  31                                 Qt::RightDockWidgetArea);
  32     dockWidget->setWidget(listWidget);
  33     addDockWidget(Qt::LeftDockWidgetArea, dockWidget);
  34     setCentralWidget(stackedWidget);
  35
  36     connect(listWidget, SIGNAL(currentRowChanged(int)),
  37             stackedWidget, SLOT(setCurrentIndex(int)));
  38
  39     setWindowTitle(tr("FRIDA"));
  40
  41         openBinary(filename);
  42 }
  43
  44 void Mainwindow::quit()
  45 {
  46     QMessageBox messageBox;
  47     messageBox.setWindowTitle(tr("Notepad"));
  48     messageBox.setText(tr("Do you really want to quit?"));
  49     messageBox.setStandardButtons(QMessageBox::Yes | QMessageBox::No);
  50     messageBox.setDefaultButton(QMessageBox::No);
  51     if (messageBox.exec() == QMessageBox::Yes)
  52         qApp->quit();
  53 }
  54
  55 void Mainwindow::open() {
  56     QString fileName = QFileDialog::getOpenFileName(this, tr("Open File"), "",
  57                                                     tr("Binaries (*)"));
  58
  59         openBinary(fileName.toStdString());
  60 }
  61
  62 void Mainwindow::openBinary(const std::string& filename) {
  63     if (filename != "") {
  64         disassembler.reset(new LLVMDisassembler(filename));
  65                 disassembler->forEachFunction([&](uint64_t address, Function* fun) {
  66                                 populateSymbolInformation(fun);
  67                         });
  68     }
  69 }
  70
  71 namespace {
  72         void local__add_basic_block(BasicBlock * block, Disassembler * dis, QGraphicsScene * scene,
  73                                                                 uint64_t starty, uint64_t startx) {
  74                 std::stringstream s;
  75                 s << "BLOCK_" << std::hex << block->getStartAddress()
  76                   << "_" << block->getEndAddress();
  77                 BasicBlockWidget * widget = new BasicBlockWidget(s.str().c_str());
  78                 scene->addItem(widget);
  79                 widget->setFlag(QGraphicsItem::ItemIsMovable, true);
  80                 widget->moveBy(100*startx, 10*(block->getStartAddress() - starty));
  81
  82                 dis->printEachInstruction(block->getStartAddress(), block->getEndAddress(),
  83                                                                   [&](uint8_t* bytes, size_t byte_count, const std::string& line) {
  84                                                                           widget->addItem(bytes, byte_count, line.c_str() + 1);
  85                                                                   });
  86
  87                 if (block->getNextBlock(0) != 0)
  88                         local__add_basic_block(dis->getBasicBlock(block->getNextBlock(0)), dis, scene, starty, startx+1);
  89                 if (block->getNextBlock(1) != 0)
  90                         local__add_basic_block(dis->getBasicBlock(block->getNextBlock(1)), dis, scene, starty, startx-1);
  91         }
  92 }
  93
  94 void Mainwindow::populateSymbolInformation(Function* fun) {
  95     QTabWidget * w = new QTabWidget();
  96
  97     // CFG
  98     QGraphicsScene * scene = new QGraphicsScene;
  99
 100         BasicBlock * block = disassembler->getBasicBlock(fun->getStartAddress());
 101
 102         local__add_basic_block(block, disassembler.get(), scene, block->getStartAddress(), 100);
 103
 104     QGraphicsView * view = new QGraphicsView(scene);
 105     w->addTab(view, "CFG");
 106
 107     // Listing
 108     QTableWidget * t = new QTableWidget();
 109     t->setColumnCount(3);
 110     t->horizontalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);
 111     // curBin->for_each_instruction(sym, [&t](long add, std::string bytes, std::string mnemonic) {
 112     //         int row = t->rowCount();
 113     //         std::stringstream s;
 114     //         t->setRowCount(t->rowCount() + 1);
 115     //         s << std::hex << add;
 116     //         t->setItem(row,0,new QTableWidgetItem(s.str().c_str()));
 117     //         s.str("");
 118     //         s << std::hex;
 119     //         for_each(bytes.begin(), bytes.end(), [&s](char c){s << (unsigned int)((unsigned char)c) << ' ';});
 120     //         t->setItem(row,1,new QTableWidgetItem(s.str().c_str()));
 121     //         t->setItem(row,2,new QTableWidgetItem(mnemonic.c_str() + 1));
 122     //     });
 123     w->addTab(t, "Listing");
 124
 125     listWidget->addItem(fun->getName().c_str());
 126     stackedWidget->addWidget(w);
 127 }