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BRIDGE: added GuiSetLastException 

DBG: dump somewhere when the system breakpoint was hit
DBG: set last exception code in GUI
GUI: last exception code in settings dialog
This commit is contained in:
Mr. eXoDia 2014-03-28 17:37:24 +01:00
parent a72ba35712
commit d9fdc0a99a
9 changed files with 58 additions and 6 deletions
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5
x64_dbg_bridge/bridgemain.cpp
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@ -764,6 +764,11 @@ BRIDGE_IMPEXP void GuiAddRecentFile(const char* file)
_gui_sendmessage(GUI_ADD_RECENT_FILE, (void*)file, 0);
}
BRIDGE_IMPEXP void GuiSetLastException(unsigned int exception)
{
_gui_sendmessage(GUI_SET_LAST_EXCEPTION, (void*)(duint)exception, 0);
}
//Main
BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{

4
x64_dbg_bridge/bridgemain.h
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@ -462,7 +462,8 @@ enum GUIMSG
GUI_STACK_DUMP_AT, // param1=duint addr, param2=duint csp
GUI_UPDATE_DUMP_VIEW, // param1=unused, param2=unused
GUI_UPDATE_THREAD_VIEW, // param1=unused, param2=unused
GUI_ADD_RECENT_FILE // param1=(const char*)file, param2=unused
GUI_ADD_RECENT_FILE, // param1=(const char*)file, param2=unused
GUI_SET_LAST_EXCEPTION // param1=unsigned int code, param2=unused
};
//GUI structures
@ -510,6 +511,7 @@ BRIDGE_IMPEXP void GuiStackDumpAt(duint addr, duint csp);
BRIDGE_IMPEXP void GuiUpdateDumpView();
BRIDGE_IMPEXP void GuiUpdateThreadView();
BRIDGE_IMPEXP void GuiAddRecentFile(const char* file);
BRIDGE_IMPEXP void GuiSetLastException(unsigned int exception);
#ifdef __cplusplus
}

8
x64_dbg_dbg/debugger.cpp
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@ -624,6 +624,8 @@ static void cbSystemBreakpoint(void* ExceptionData)
//log message
dputs("system breakpoint reached!");
bSkipExceptions=false; //we are not skipping first-chance exceptions
uint cip=GetContextData(UE_CIP);
GuiDumpAt(memfindbaseaddr(fdProcessInfo->hProcess, cip, 0)); //dump somewhere
//plugin callbacks
PLUG_CB_SYSTEMBREAKPOINT callbackInfo;
@ -633,7 +635,7 @@ static void cbSystemBreakpoint(void* ExceptionData)
if(settingboolget("Events", "SystemBreakpoint"))
{
//update GUI
DebugUpdateGui(GetContextData(UE_CIP), true);
DebugUpdateGui(cip, true);
GuiSetDebugState(paused);
//lock
lock(WAITID_RUN);
@ -809,6 +811,8 @@ static void cbException(EXCEPTION_DEBUG_INFO* ExceptionData)
{
PLUG_CB_EXCEPTION callbackInfo;
callbackInfo.Exception=ExceptionData;
unsigned int ExceptionCode=ExceptionData->ExceptionRecord.ExceptionCode;
GuiSetLastException(ExceptionCode);
uint addr=(uint)ExceptionData->ExceptionRecord.ExceptionAddress;
if(ExceptionData->ExceptionRecord.ExceptionCode==EXCEPTION_BREAKPOINT)
@ -832,8 +836,6 @@ static void cbException(EXCEPTION_DEBUG_INFO* ExceptionData)
SetContextData(UE_CIP, (uint)ExceptionData->ExceptionRecord.ExceptionAddress);
}
unsigned int ExceptionCode=ExceptionData->ExceptionRecord.ExceptionCode;
if(ExceptionData->dwFirstChance) //first chance exception
{
dprintf("first chance exception on "fhex" (%.8X)!\n", addr,ExceptionCode);

11
x64_dbg_gui/Project/Src/Bridge/Bridge.cpp
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@ -220,6 +220,11 @@ void Bridge::emitAddRecentFile(QString file)
emit addRecentFile(file);
}
void Bridge::emitSetLastException(unsigned int exceptionCode)
{
emit setLastException(exceptionCode);
}
/************************************************************************************
Static Functions
************************************************************************************/
@ -462,6 +467,12 @@ __declspec(dllexport) void* _gui_sendmessage(GUIMSG type, void* param1, void* pa
}
break;
case GUI_SET_LAST_EXCEPTION:
{
Bridge::getBridge()->emitSetLastException((unsigned int)(uint_t)param1);
}
break;
default:
{
}

2
x64_dbg_gui/Project/Src/Bridge/Bridge.h
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@ -60,6 +60,7 @@ public:
void emitUpdateDump();
void emitUpdateThreads();
void emitAddRecentFile(QString file);
void emitSetLastException(unsigned int exceptionCode);
//Public variables
void* winId;
@ -101,6 +102,7 @@ signals:
void updateDump();
void updateThreads();
void addRecentFile(QString file);
void setLastException(unsigned int exceptionCode);
private:
QMutex mBridgeMutex;

8
x64_dbg_gui/Project/Src/Gui/MainWindow.cpp
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@ -129,9 +129,11 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new Ui::MainWi
connect(Bridge::getBridge(), SIGNAL(updateWindowTitle(QString)), this, SLOT(updateWindowTitleSlot(QString)));
connect(Bridge::getBridge(), SIGNAL(addRecentFile(QString)), this, SLOT(addRecentFile(QString)));
connect(Bridge::getBridge(), SIGNAL(setLastException(uint)), this, SLOT(setLastException(uint)));
//Set default setttings (when not set)
SettingsDialog defaultSettings;
lastException=0;
defaultSettings.SaveSettings();
const char* errormsg=DbgInit();
@ -510,6 +512,7 @@ void MainWindow::displayThreadsWidget()
void MainWindow::openSettings()
{
SettingsDialog settings(this);
settings.lastException=lastException;
settings.exec();
}
@ -519,3 +522,8 @@ void MainWindow::addRecentFile(QString file)
updateMRUMenu();
saveMRUList();
}
void MainWindow::setLastException(unsigned int exceptionCode)
{
lastException=exceptionCode;
}

2
x64_dbg_gui/Project/Src/Gui/MainWindow.h
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@ -59,6 +59,7 @@ public slots:
void displayThreadsWidget();
void openSettings();
void addRecentFile(QString file);
void setLastException(unsigned int exceptionCode);
private:
Ui::MainWindow *ui;
@ -81,6 +82,7 @@ private:
std::vector<QString> mMRUList;
unsigned int mMaxMRU;
unsigned int lastException;
void loadMRUList(int maxItems);
void saveMRUList();

21
x64_dbg_gui/Project/Src/Gui/SettingsDialog.cpp
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@ -11,11 +11,12 @@ SettingsDialog::SettingsDialog(QWidget *parent) :
setWindowFlags(Qt::Dialog | Qt::WindowSystemMenuHint | Qt::WindowTitleHint | Qt::MSWindowsFixedSizeDialogHint);
setFixedSize(this->size()); //fixed size
LoadSettings(); //load settings from file
ui->btnAddLast->setEnabled(false);
connect(Bridge::getBridge(), SIGNAL(setLastException(uint)), this, SLOT(setLastException(uint)));
}
SettingsDialog::~SettingsDialog()
{
disconnect(Bridge::getBridge(), SIGNAL(setLastException(uint)), this, SLOT(setLastException(uint)));
delete ui;
}
@ -196,6 +197,11 @@ void SettingsDialog::AddRangeToList(RangeStruct range)
ui->listExceptions->addItem(QString().sprintf("%.8X-%.8X", settings.exceptionRanges->at(i).start, settings.exceptionRanges->at(i).end));
}
void SettingsDialog::setLastException(unsigned int exceptionCode)
{
lastException=exceptionCode;
}
void SettingsDialog::on_btnSave_clicked()
{
SaveSettings();
@ -343,5 +349,16 @@ void SettingsDialog::on_btnDeleteRange_clicked()
void SettingsDialog::on_btnAddLast_clicked()
{
QMessageBox msg(QMessageBox::Question, "Question", QString().sprintf("Are you sure you want to add %.8X?", lastException));
msg.setWindowIcon(QIcon(":/icons/images/question.png"));
msg.setParent(this, Qt::Dialog);
msg.setWindowFlags(msg.windowFlags()&(~Qt::WindowContextHelpButtonHint));
msg.setStandardButtons(QMessageBox::No|QMessageBox::Yes);
msg.setDefaultButton(QMessageBox::Yes);
if(msg.exec()!=QMessageBox::Yes)
return;
RangeStruct range;
range.start=lastException;
range.end=lastException;
AddRangeToList(range);
}

3
x64_dbg_gui/Project/Src/Gui/SettingsDialog.h
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@ -17,8 +17,11 @@ public:
explicit SettingsDialog(QWidget *parent = 0);
~SettingsDialog();
void SaveSettings();
unsigned int lastException;
private slots:
//Manual slots
void setLastException(unsigned int exceptionCode);
//General
void on_btnSave_clicked();
//Event tab