X-Git-Url: https://git.siccegge.de//index.cgi?p=frida%2Ffrida.git;a=blobdiff_plain;f=src%2Fgui%2Fwidgets%2FBasicBlockWidget.cxx;h=2a3f3b7d992f30f4f5089754a1016bf221ac13c7;hp=fbf4370c9a212420ed7cf53e662cf5683d5461a6;hb=9d118e5302db0c9aefe6b0e662795aef6f7b71a1;hpb=677db2b79b0c54ea3d684b975e2e65215b48f54a diff --git a/src/gui/widgets/BasicBlockWidget.cxx b/src/gui/widgets/BasicBlockWidget.cxx index fbf4370..2a3f3b7 100644 --- a/src/gui/widgets/BasicBlockWidget.cxx +++ b/src/gui/widgets/BasicBlockWidget.cxx @@ -1,28 +1,49 @@ #include "BasicBlockWidget.hxx" +#include "CFGScene.hxx" #include "gui/Mainwindow.hxx" #include "gui/dialogs/SimpleStringDialog.hxx" +#include "core/BasicBlock.hxx" +#include "core/Function.hxx" +#include "core/Comment.hxx" +#include "disassembler/Instruction.hxx" +#include "core/InformationManager.hxx" +#include "core/events/RenameFunctionEvent.hxx" +#include "core/events/ChangeCommentEvent.hxx" +#include class CustomQGraphicsTextItem : public QObject, public QGraphicsTextItem { public: - CustomQGraphicsTextItem(const QString& text, BasicBlockWidget* parent, Mainwindow* mainwindow) - : QGraphicsTextItem(text, parent), parent(parent), mainwindow(mainwindow) {} + CustomQGraphicsTextItem(const QString& text, BasicBlockWidget* parent) + : QGraphicsTextItem(text, parent), parent(parent) {} void contextMenuEvent(QGraphicsSceneContextMenuEvent*); + + void adjustSize(); private: + void addComment(int row, bool global); + BasicBlockWidget* parent; - Mainwindow* mainwindow; }; -namespace { - void addComment(QTextTableCell cell, const QString& title) { - SimpleStringDialog dialog(title); - int result = dialog.exec(); - if (QDialog::Accepted == result) { - // LOG4CXX_DEBUG(logger, "adding comment " << dialog.result().toStdString() - // << " at row " << cell.row()); - cell.firstCursorPosition().insertHtml(QString(";; ") + dialog.result()); +void CustomQGraphicsTextItem::addComment(int row, bool global) { + SimpleStringDialog dialog(global ? "Global comment" : "Local comment"); + int result = dialog.exec(); + uint64_t address = parent->instructions[row].getAddress(); + if (QDialog::Accepted == result) { + Comment* comment; + if (global) { + comment = parent->block->getManager()->newGlobalComment(address); } else { - // LOG4CXX_DEBUG(logger, "addComment aborted"); + /* TODO: 0x23 as we currently don't have the function here + * and setting it to null will make the comment appear + * global. Also means local comments are largely still + * broken. + */ + comment = parent->block->getManager()->newLocalComment(address, (Function*)0x23); } + comment->setText(dialog.result().toStdString()); + parent->block->getManager()->finishComment(comment); + } else { + LOG4CXX_DEBUG(parent->logger, "addComment aborted"); } } @@ -34,90 +55,226 @@ void CustomQGraphicsTextItem::contextMenuEvent(QGraphicsSceneContextMenuEvent* e QMenu menu; bool ok; uint64_t address = c.selectedText().toLongLong(&ok, 16); + QTextTable* table = c.currentTable(); if (ok) { QAction* act = menu.addAction(c.selectedText() + " is a Function"); QObject::connect(act, &QAction::triggered, - [=]() {mainwindow->requestNewFunctionByAddress(address);}); + [=]() { + parent->mainwindow->requestNewFunctionByAddress(address); + if (NULL == table) return; + int row = table->cellAt(c).row(); + uint64_t insAddress = parent->instructions[row].getAddress(); + Comment* comment = parent->block->getManager()->newLocalComment(insAddress, (Function*)0x23); + comment->setText("#F<" + c.selectedText().toStdString() + ">"); + parent->block->getManager()->finishComment(comment); + }); } - QTextTable* table = c.currentTable(); if (NULL != table) { int row = table->cellAt(c).row(); - QTextTableCell cell = table->cellAt(row, 2); QAction* globalComment = menu.addAction("Add global Comment"); QAction* localComment = menu.addAction("Add local Comment"); QObject::connect(globalComment, &QAction::triggered, - [=]() { addComment(cell, "Global comment"); }); + [=]() { addComment(row, true); }); QObject::connect(localComment, &QAction::triggered, - [=]() { addComment(cell, "Local comment"); }); + [=]() { addComment(row, false); }); } menu.exec(event->screenPos()); } +/* QGraphicsTextItem has an adjustSize() function that is supposed to + * resize the widget to it's "ideal" size. However it totally ignores + * all directives to not wrap lines and "ideal" is actually just a + * bunch of heuristics. + * + * We are starting with a hopefully absurdly large startingwidth and + * reduce it untill a line is broken (detected by a change in + * height). As long as the width (1000 here) is sufficiently large, + * this should give us a widget without any line-wrapping. + * + * One needs to call this on a Pointer of tye CustomQGraphicsTextItem + * as the adjustSize() function is not polymorphic (vurtual). + */ +void CustomQGraphicsTextItem::adjustSize() { + int width = 1000; + setTextWidth(width); + int height = boundingRect().height(); + while (width > 250 && height == boundingRect().height()) { + setTextWidth(width -= 10); + } + width += 10; + if (width < 250) width = 250; + setTextWidth(width); +} + BasicBlockWidget::BasicBlockWidget(const QString& name, BasicBlock * block, Mainwindow * mainwindow) - : width(270), height(45), name(name) - , _table(NULL) - , block(block), mainwindow(mainwindow) { + : width(200), height(45), name(name) + , currentColor(defaultColor), _table(NULL) + , block(block), mainwindow(mainwindow) + , logger(log4cxx::Logger::getLogger("gui.BasicBlockWidget." + name.toStdString())) { next[0] = NULL; next[1] = NULL; - _widget.reset(new CustomQGraphicsTextItem("", this, mainwindow)); + + block->getManager()->registerRenameFunctionEvent([=](RenameFunctionEvent* event) {updateFunctionName(event);}); + + _widget.reset(new CustomQGraphicsTextItem("", this)); _widget->setPos(5, 20); _widget->setTextInteractionFlags(Qt::TextSelectableByMouse| Qt::LinksAccessibleByMouse); if (width < 250) width = 250; + + QObject::connect(_widget.get(), &QGraphicsTextItem::linkActivated, + [=](QString str) { + if (str.startsWith("function:")) { + QString address = str.remove("function:"); + mainwindow->switchMainPlaneToAddress(address.toInt(NULL, 16)); + } else if (str.startsWith("block:")) { + QString address = str.remove("block:"); + + /* next[0] is always the jumptarget. On a + * conditional jump, next[1] also + * contains the following instruction + * + * TODO: Verify we're switching to the + * right block -- the target + * address matches the next blocks + * start address + */ + LOG4CXX_TRACE(logger, "Highlighting block at Address " << address.toStdString() + << " BasicBlockWidget " << std::hex << next[0]); + ((CFGScene*)this->scene())->highlightBlock(next[0]); + } + }); + instructions = block->getInstructions(); + populateWidget(); + block->getManager()->registerChangeCommentEvent([=](ChangeCommentEvent* e) {changeCommentHandler(e);}); } -void BasicBlockWidget::addItem(uint8_t* bytes, size_t num_bytes, - QString line, const QString& href) { - QString bytestring; - int row; +void BasicBlockWidget::updateFunctionName(RenameFunctionEvent *event) { + QString search = QString("function:") + QString::number(event->address, 16); + QTextDocument *document = _widget->document(); + QTextBlock b = document->begin(); + while (b.isValid()) { + for (QTextBlock::iterator i = b.begin(); !i.atEnd(); ++i) { + QTextCharFormat format = i.fragment().charFormat(); + bool isLink = format.isAnchor(); + if (isLink) + { + if (search == format.anchorHref()) { + LOG4CXX_DEBUG(logger, i.fragment().text().toStdString() << " ---> " + << format.anchorHref().toStdString()); - if (_table) { - row = _table->rows(); - _table->appendRows(1); - } else { - row = 0; - QTextTableFormat format; - format.setBorderStyle(QTextFrameFormat::BorderStyle_None); - format.setBorder(0); - _table = _widget->textCursor().insertTable(1, 3, format); + /* This should select the function name. It stars + * by selecting the whole link fragment from back + * to front and then moves one word to the back + * again deselecting whatever mnemonic is used for + * the call instruction. + */ + QTextCursor c(b); + c.setPosition(i.fragment().position()); + c.movePosition(QTextCursor::Right, QTextCursor::MoveAnchor, i.fragment().length()); + c.movePosition(QTextCursor::Left, QTextCursor::KeepAnchor, i.fragment().length()); + c.movePosition(QTextCursor::WordRight, QTextCursor::KeepAnchor); + c.insertText(event->new_name.c_str()); + + QGraphicsTextItem* item = _widget.get(); + ((CustomQGraphicsTextItem*)item)->adjustSize(); + } + } + } + b = b.next(); } +} - for (size_t i(0); i < num_bytes; ++i) { - const char * hexdigits = "0123456789ABCDEF"; - bytestring += hexdigits[(bytes[i] >> 4) & 0xF]; - bytestring += hexdigits[bytes[i] & 0xF]; - bytestring += ' '; +void BasicBlockWidget::changeCommentHandler(ChangeCommentEvent* event) { + auto inst_it = std::find_if(instructions.begin(), instructions.end(), + [=](Instruction& inst) { + return inst.getAddress() == event->address; + }); + if (inst_it != instructions.end()) { + if (std::find(inst_it->comments().begin(), + inst_it->comments().begin(), + event->comment) == inst_it->comments().end()) { + LOG4CXX_DEBUG(logger, "Change Comment Event -- New Comment!"); + inst_it->comments().push_back(event->comment); + } + int row = inst_it - instructions.begin(); + LOG4CXX_DEBUG(logger, "Inserting comment for instruction at row " << std::hex << row); + QTextCursor cursor = _table->cellAt(row, 2).lastCursorPosition(); + while (cursor != _table->cellAt(row, 2).firstCursorPosition()) { + cursor.movePosition(QTextCursor::Left, QTextCursor::KeepAnchor, 1); + } + cursor.removeSelectedText(); + cursor.insertHtml(formatComments(&*inst_it)); + QGraphicsTextItem* item = _widget.get(); + ((CustomQGraphicsTextItem*)item)->adjustSize(); } +} - _table->cellAt(row, 0).firstCursorPosition().insertText(bytestring); +void BasicBlockWidget::populateWidget() { + int row; + QTextTableFormat format; + format.setBorderStyle(QTextFrameFormat::BorderStyle_None); + format.setBorder(0); - line = line.replace('\t', ' ').toHtmlEscaped(); - if (href != "") { - line = "" + line + ""; - } + for (Instruction& inst : instructions) { + if (_table) { + row = _table->rows(); + _table->appendRows(1); + } else { + row = 0; + _table = _widget->textCursor().insertTable(1, 3, format); + } + QString bytestring; + for (uint8_t byte : inst.getBytes()) { + const char * hexdigits = "0123456789ABCDEF"; + bytestring += hexdigits[(byte >> 4) & 0xF]; + bytestring += hexdigits[byte & 0xF]; + bytestring += ' '; + } + _table->cellAt(row, 0).firstCursorPosition().insertHtml("" + bytestring + ""); - _table->cellAt(row, 1).firstCursorPosition().insertHtml(line); + QString line = inst.getText().c_str(); + line = line.replace('\t', ' ').toHtmlEscaped(); + if (inst.getReference() != "") { + QString href = inst.getReference().c_str(); + QStringList list = href.split(":"); + if (list[0] == "function") { + uint64_t address = href.split(":")[1].toLongLong(NULL, 16); + Function* fun = block->getManager()->getFunction(address); - QObject::connect(_widget.get(), &QGraphicsTextItem::linkActivated, - [=](QString str) { - if (str.startsWith("function:")) { - QString address = str.remove("function:"); - mainwindow->switchMainPlaneToAddress(address.toInt(NULL, 16)); - } - }); + if (fun) { + line = line.split(" ")[0] + " " + QString(fun->getName().c_str()).toHtmlEscaped(); + LOG4CXX_DEBUG(logger, "Naming function at " << address << " " << fun->getName()); + } + } + line = "" + line + ""; + } + _table->cellAt(row, 1).firstCursorPosition().insertHtml("" + line + ""); + _table->cellAt(row, 2).firstCursorPosition().insertHtml(formatComments(&inst)); + } + QGraphicsTextItem* item = _widget.get(); + ((CustomQGraphicsTextItem*)item)->adjustSize(); +} + +QString BasicBlockWidget::formatComments(Instruction* inst) { + QStringList comments; + for (Comment* c: inst->comments()) { + comments << QString(c->getText().c_str()).toHtmlEscaped(); + } + return (comments.empty() ? "" : ";; ") + comments.join("
").trimmed(); } -void BasicBlockWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, - QWidget *widget) { +void BasicBlockWidget::paint(QPainter *painter, const QStyleOptionGraphicsItem*, + QWidget*) { width = 10 + _widget->boundingRect().width(); height = 25 + _widget->boundingRect().height(); if (width < 250) width = 250; - painter->fillRect(0, 0, width, height, QColor(0xcc, 0xcc, 0xff, 0xff)); + painter->fillRect(0, 0, width, height, currentColor); painter->setPen(QColor(0x00, 0x00, 0xff, 0xff)); painter->drawRect(0, 0, width, height); painter->drawText(5, 15, name);