[pykd] added : cpuReg constructor with index parameter

git-svn-id: https://pykd.svn.codeplex.com/svn@69075 9b283d60-5439-405e-af05-b73fd8c4d996

pykd/dbgext.cpp

@@ -486,8 +486,10 @@ BOOST_PYTHON_MODULE( pykd )
         "CPU regsiter class",
         boost::python::no_init )
             .def( boost::python::init<std::string>(boost::python::args("name"), "constructor" ) )
+            .def( boost::python::init<ULONG>(boost::python::args("index"), "constructor" ) )
             .def( "name", &cpuReg::name, "The name of the regsiter" )
-            .def( "beLive", &cpuReg::beLive, "Turn the object to live: its value will be following thr target register value" );
+            .def( "index", &cpuReg::index, "The index of thr register" )
+            .def( "beLive", &cpuReg::beLive, "Turn the object to live: its value will be following the target register value" );
             
 
     // debug status

pykd/dbgreg.cpp

@@ -10,8 +10,54 @@ using namespace std;
 
 cpuReg::cpuReg( std::string  regName )
 {
+    HRESULT         hres;  
+
     m_name = regName;
     m_lived = false; 
+
+    hres = dbgExt->registers->GetIndexByName( m_name.c_str(), &m_index );
+    if ( FAILED( hres ) )
+        throw DbgException( "IDebugRegister::GetIndexByName  failed" );    
+    
+    reloadValue();       
+}
+
+///////////////////////////////////////////////////////////////////////////////////
+
+cpuReg::cpuReg( ULONG index )
+{
+    HRESULT         hres;  
+
+    m_index = index;
+    m_lived = false; 
+
+    ULONG       nameSize = 0;
+
+    hres = 
+        dbgExt->registers->GetDescription( 
+            m_index,
+            NULL,
+            0,
+            &nameSize,
+            NULL );
+
+    if ( FAILED( hres ) )
+        throw DbgException( "IDebugRegister::GetDescription failed" );
+
+    std::vector<char>   nameBuffer(nameSize);
+
+    hres = 
+        dbgExt->registers->GetDescription( 
+            m_index,
+            &nameBuffer[0],
+            nameSize,
+            NULL,
+            NULL );
+
+    if ( FAILED( hres ) )
+        throw DbgException( "IDebugRegister::GetDescription failed" );
+
+    m_name = std::string( &nameBuffer[0] );
     
     reloadValue();       
 }
@@ -21,14 +67,9 @@ cpuReg::cpuReg( std::string  regName )
 void  cpuReg::reloadValue() const
 {
     HRESULT         hres;   
-    ULONG           registerIndex = 0;
-
-    hres = dbgExt->registers->GetIndexByName( m_name.c_str(), &registerIndex );
-    if ( FAILED( hres ) )
-        throw DbgException( "IDebugRegister::GetIndexByName  failed" ); 
         
     DEBUG_VALUE    debugValue;            
-    hres = dbgExt->registers->GetValue( registerIndex, &debugValue );
+    hres = dbgExt->registers->GetValue( m_index, &debugValue );
     if ( FAILED( hres ) )
         throw DbgException( "IDebugRegister::GetValue  failed" );
         

pykd/dbgreg.h

@@ -12,11 +12,18 @@ class cpuReg : public intBase {
 public :
 
     cpuReg( std::string  regName );
+
+    cpuReg( ULONG index );
     
     std::string
     name() const {
         return m_name;
     }
+
+    ULONG
+    index() const {
+        return m_index;            
+    }
     
     void beLive() {
         m_lived = true;
@@ -35,6 +42,8 @@ private:
     void  reloadValue() const;
 
     std::string     m_name;
+
+    ULONG           m_index;
     
     bool            m_lived;
 };

samples/debug.py

@@ -3,66 +3,212 @@
 #
 
 from PySide.QtCore import *
-from PySide.QtGui import *      
+from PySide.QtGui import *  
 
 import pykd
 
 
-class DbgThread( QThread ):
+class UpdateEvent( QEvent ):
-
     def __init__(self):
+        QEvent.__init__(self, QEvent.Type(QEvent.User + 1))
+
+
+class GoThread( QThread ):
+
+    def __init__(self, func):
         QThread.__init__(self)
+        self.start()
+        self.func = func
     
     def run(self):
-        pykd.startProcess( self.processName )
+        self.func()
-        pykd.go()
+        app.postEvent( mainForm, UpdateEvent() ) 
-        #    pass         
-        while True:
-            self.sleep(100)
-
-
         self.exit()
 
 
+class DisasmWidget( QDockWidget ):
+
+    def __init__( self ):
+        QDockWidget.__init__( self )
+        self.setWindowTitle( "Disassembler" )
+        self.textArea = QTextEdit()
+        self.textArea.setReadOnly( True )
+        self.setWidget( self.textArea )
+        
+
+    def onUpdate( self ):
+
+        disasm = pykd.disasm()        
+        disasmStr = disasm.instruction() + "\n"
+        for i in xrange(50):
+            disasmStr += disasm.next() + "\n"
+
+        self.textArea.setPlainText( disasmStr )
+
+
+class RegistersWidget( QDockWidget ):
+
+    def __init__( self ):
+        QDockWidget.__init__( self )
+        self.setWindowTitle( "Registers" )
+        self.textArea = QTextEdit()
+        self.setWidget( self.textArea )
+                             
+    def onUpdate( self ):
+
+        s = ""
+
+        for reg in self.getRegisterSet():
+            s += "%s    %x ( %d )\r\n" % ( reg.name(), reg.value(), reg.value() )
+
+        self.textArea.setPlainText( s )   
+
+
+    def getRegisterSet(self):
+        regSet=[]
+        try:
+            i = 0
+            while True:
+                reg = pykd.cpuReg(i)
+                regSet.append(reg)
+                i += 1
+
+        except pykd.BaseException:
+            pass
+
+        return regSet
+
+
+class StackWidget( QDockWidget ):
+
+    def __init__( self ):
+        QDockWidget.__init__( self )
+        self.setWindowTitle( "Stack" )
+        self.textArea = QTextEdit()
+        self.setWidget( self.textArea )
+
+    def onUpdate( self ):
+
+        s = ""
+
+        stackFrames = pykd.getCurrentStack()
+        for frame in stackFrames: 
+            s += pykd.findSymbol( frame.instructionOffset ) + "  (%x)" % frame.instructionOffset  + "\n"
+       
+        self.textArea.setPlainText( s )   
+
+
 class MainForm( QMainWindow ):
+
+    updated = Signal()
     
     def __init__( self ):
 
+
         QMainWindow.__init__( self, None )            
         self.setWindowTitle("Pykd Debugger Sample")      
+        self.setDockNestingEnabled( True )
+        
+        self.goThread = None
+
 
         fileMenu = QMenu( "&File" )
         fileMenu.addAction( "Open process...",  self.onOpenProcess )
         fileMenu.addAction( "Exit", self.onExit )
-
         self.menuBar().addMenu( fileMenu )
 
+
+        debugMenu = QMenu( "Debug" )
+        debugMenu.addAction( "Break", self.onBreak )
+        debugMenu.addAction( "Go", self.onGo )
+        debugMenu.addAction( "Step", self.onStep )
+        self.menuBar().addMenu( debugMenu )
+
+
+        viewMenu = QMenu( "View" )
+        viewMenu.addAction( "Disasm", self.onDisasmShow )
+        viewMenu.addAction( "Regsiters", self.onRegistersShow )
+        viewMenu.addAction( "Stack", self.onStackShow )
+        self.menuBar().addMenu( viewMenu )
+
+        self.disasmWidget = DisasmWidget() 
+        self.disasmWidget.setVisible( False )
+        self.addDockWidget( Qt.LeftDockWidgetArea, self.disasmWidget ) 
+        self.updated.connect(self.disasmWidget.onUpdate ) 
+
+        self.registersWidget = RegistersWidget()
+        self.registersWidget.setVisible( False )
+        self.addDockWidget( Qt.LeftDockWidgetArea, self.registersWidget ) 
+        self.updated.connect(self.registersWidget.onUpdate ) 
+                          
+        self.stackWidget = StackWidget()
+        self.stackWidget.setVisible( False )
+        self.addDockWidget( Qt.LeftDockWidgetArea, self.stackWidget )
+        self.updated.connect(self.stackWidget.onUpdate )      
+
         self.resize( 800, 600 )
 
     
-    def __del__( self ):
 
-        if self.debugger.isRunning():
+    def stopGoThread( self ):
-            self.debugger.quit()
+ 
-            self.debugger.wait(1000)
+        if self.goThread != None and self.goThread.isRunning():
-            self.debugger.terminate()
+            self.goThread.quit()
+            self.goThread.wait(10000)
+   
+
+    def event( self, ev ):
+        
+        if ev.type() == QEvent.User + 1:
+            self.onUpdate()
+            return True
+        else:
+            return QMainWindow.event( self, ev )        
+   
 
 
     def onOpenProcess( self ):
 	fileDlg = QFileDialog( self )
         fileDlg.setNameFilter( self.tr("Executable (*.exe)" ) )
 
-        self.debugger = DbgThread()
+        pykd.startProcess( fileDlg.getOpenFileName()[0] )
-        self.debugger.processName = fileDlg.getOpenFileName()[0]
-        self.debugger.start()
 
+        self.goThread = GoThread( pykd.go )
+
+
+    def onBreak( self ):
+        pykd.breakin()
+
+    def onGo( self ):
+        self.stopGoThread()
+        self.goThread = GoThread( pykd.go ) 
+
+    def onStep( self ):
+        self.stopGoThread()
+        self.goThread = GoThread( pykd.step )
 
     def onExit( self ):
         self.close()
 
+    def onDisasmShow( self ):
+        self.disasmWidget.setVisible( not self.disasmWidget.isVisible() )
+
+    def onRegistersShow( self ):
+        self.registersWidget.setVisible( not self.registersWidget.isVisible() )
+
+
+    def onStackShow( self ):
+        self.stackWidget.setVisible( not self.stackWidget.isVisible() )
+
+    def onUpdate( self ):
+        self.updated.emit()
+
 
 def main():      
 
+    global app
+    global mainForm
+
     app = QApplication( [] )
     mainForm = MainForm()
     mainForm.show()