CDB: Make disassembly work.

src/plugins/debugger/cdb/cdbassembler.cpp

@@ -36,6 +36,23 @@
 
 #include <QtCore/QVector>
 
+// Format a hex address with a given field width if possible. Convert
+// to number to ensure it is not truncated should it be larger than the
+// field width.
+static inline void formatAddress(QTextStream &str, const QString &hexAddressS, int fieldWidth)
+{
+    const QChar oldPadChar = str.padChar();
+    const int oldFieldWidth = str.fieldWidth();
+    const int oldIntegerBase = str.integerBase();
+    str.setFieldWidth(fieldWidth);
+    str.setPadChar(QLatin1Char('0'));
+    str.setIntegerBase(16);
+    str << hexAddressS.toULongLong(0, 16);
+    str.setFieldWidth(oldFieldWidth);
+    str.setPadChar(oldPadChar);
+    str.setIntegerBase(oldIntegerBase);
+}
+
 namespace Debugger {
 namespace Internal {
 
@@ -89,7 +106,7 @@ class DisassemblerOutputParser
 {
     Q_DISABLE_COPY(DisassemblerOutputParser)
 public:
-    explicit DisassemblerOutputParser(QTextStream &str, int addressFieldWith = 0);
+    explicit DisassemblerOutputParser(QTextStream &str, int addressFieldWidth = 0);
 
     void parse(const QStringList &l);
 
@@ -97,14 +114,14 @@ private:
     enum ParseResult { ParseOk, ParseIgnore, ParseFailed };
     ParseResult parseDisassembled(const QString &in);
 
-    const int m_addressFieldWith;
+    const int m_addressFieldWidth;
     QTextStream &m_str;
     QString m_sourceSymbol;
     int m_sourceSymbolOffset;
 };
 
-DisassemblerOutputParser::DisassemblerOutputParser(QTextStream &str, int addressFieldWith) :
-    m_addressFieldWith(addressFieldWith),
+DisassemblerOutputParser::DisassemblerOutputParser(QTextStream &str, int addressFieldWidth) :
+    m_addressFieldWidth(addressFieldWidth),
     m_str(str),
     m_sourceSymbolOffset(0)
 {
@@ -151,16 +168,10 @@ DisassemblerOutputParser::ParseResult
     // which is important for setting the marker.
     const int addressToken = hasSourceFile ? 2 : 0;
     m_str << "0x";
-    if (m_str.fieldWidth() == m_addressFieldWith) {
+    if (m_str.fieldWidth() == m_addressFieldWidth) {
         m_str << tokens.at(addressToken);
     } else {
-        const QChar oldPadChar = m_str.padChar();
-        const int oldFieldWidth = m_str.fieldWidth();
-        m_str.setFieldWidth(m_addressFieldWith);
-        m_str.setPadChar(QLatin1Char('0'));
-        m_str << tokens.at(addressToken);
-        m_str.setFieldWidth(oldFieldWidth);
-        m_str.setPadChar(oldPadChar);
+        formatAddress(m_str, tokens.at(addressToken), m_addressFieldWidth);
     }
     m_str << ' ';
     // Symbol display: Do we know a symbol? -> Display with offset.
@@ -200,7 +211,7 @@ bool dissassemble(CIDebugClient *client,
                   ULONG64 offset,
                   unsigned long beforeLines,
                   unsigned long afterLines,
-                  int addressFieldWith,
+                  int addressFieldWidth,
                   QTextStream &str,
                   QString *errorMessage)
 {
@@ -224,7 +235,7 @@ bool dissassemble(CIDebugClient *client,
                        arg(offset, 0, 16).arg(msgComFailed("OutputDisassemblyLines", hr));
         return false;
     }
-    DisassemblerOutputParser parser(str, addressFieldWith);
+    DisassemblerOutputParser parser(str, addressFieldWidth);
     parser.parse(stringHandler.result().split(QLatin1Char('\n')));
     return true;
 }

src/plugins/debugger/cdb/cdbassembler.h

@@ -56,7 +56,7 @@ bool dissassemble(CIDebugClient *client,
                   ULONG64 offset,
                   unsigned long beforeLines,
                   unsigned long afterLines,
-                  int addressFieldWith /* = 0*/,
+                  int addressFieldWidth /* = 0*/,
                   QTextStream &str,
                   QString *errorMessage);
 

src/plugins/debugger/cdb/cdbdebugengine.cpp

@@ -330,7 +330,7 @@ bool CdbDebugEnginePrivate::init(QString *errorMessage)
         return false;
     }
 
-    m_cif.debugControl->SetCodeLevel(DEBUG_LEVEL_SOURCE);
+    setCodeLevel();
 
     hr = lib.debugCreate( __uuidof(IDebugSystemObjects4), reinterpret_cast<void**>(&m_cif.debugSystemObjects));
     if (FAILED(hr)) {
@@ -382,6 +382,34 @@ IDebuggerEngine *CdbDebugEngine::create(DebuggerManager *parent,
     return 0;
 }
 
+// Adapt code level setting to the setting of the action.
+static inline const char *codeLevelName(ULONG level)
+{
+    return level == DEBUG_LEVEL_ASSEMBLY ? "assembly" : "source";
+}
+
+bool CdbDebugEnginePrivate::setCodeLevel()
+{
+    const ULONG codeLevel = theDebuggerBoolSetting(StepByInstruction) ?
+                            DEBUG_LEVEL_ASSEMBLY : DEBUG_LEVEL_SOURCE;
+    ULONG currentCodeLevel = DEBUG_LEVEL_ASSEMBLY;
+    HRESULT hr = m_cif.debugControl->GetCodeLevel(&currentCodeLevel);
+    if (FAILED(hr)) {
+        m_engine->warning(QString::fromLatin1("Cannot determine code level: %1").arg(msgComFailed("GetCodeLevel", hr)));
+        return true;
+    }
+    if (debugCDB)
+        qDebug() << Q_FUNC_INFO << "\nSetting code level to " << codeLevelName(codeLevel) << " (was" << codeLevelName(currentCodeLevel) << ')';
+    if (currentCodeLevel == currentCodeLevel)
+        return false;
+    hr = m_cif.debugControl->SetCodeLevel(codeLevel);
+    if (FAILED(hr)) {
+        m_engine->warning(QString::fromLatin1("Cannot set code level: %1").arg(msgComFailed("SetCodeLevel", hr)));
+        return false;
+    }
+    return true;
+}
+
 CdbDebugEnginePrivate::~CdbDebugEnginePrivate()
 {
     cleanStackTrace();
@@ -565,6 +593,7 @@ bool CdbDebugEngine::startDebugger(const QSharedPointer<DebuggerStartParameters>
     bool rc = false;
     bool needWatchTimer = false;
     m_d->clearForRun();
+    m_d->setCodeLevel();
     switch (mode) {
     case AttachExternal:
     case AttachCrashedExternal:
@@ -863,6 +892,7 @@ void CdbDebugEngine::stepExec()
         qDebug() << Q_FUNC_INFO;
 
     m_d->clearForRun();
+    m_d->setCodeLevel();
     const HRESULT hr = m_d->m_cif.debugControl->SetExecutionStatus(DEBUG_STATUS_STEP_INTO);
     if (FAILED(hr))
         warning(msgFunctionFailed(Q_FUNC_INFO, msgComFailed("SetExecutionStatus", hr)));
@@ -919,6 +949,7 @@ void CdbDebugEngine::nextExec()
         qDebug() << Q_FUNC_INFO;
 
     m_d->clearForRun();
+    m_d->setCodeLevel();
     const HRESULT hr = m_d->m_cif.debugControl->SetExecutionStatus(DEBUG_STATUS_STEP_OVER);
     if (SUCCEEDED(hr)) {
         startWatchTimer();
@@ -938,6 +969,7 @@ void CdbDebugEngine::nextIExec()
         qDebug() << Q_FUNC_INFO;
 
     m_d->clearForRun();
+    m_d->setCodeLevel();
     const HRESULT hr = m_d->m_cif.debugControl->Execute(DEBUG_OUTCTL_THIS_CLIENT, "p", 0);
     if (SUCCEEDED(hr)) {
         startWatchTimer();
@@ -987,6 +1019,7 @@ bool CdbDebugEnginePrivate::continueInferior(QString *errorMessage)
     }
 
     clearForRun();
+    setCodeLevel();
     m_engine->killWatchTimer();
     m_debuggerManager->resetLocation();
     m_debuggerManagerAccess->notifyInferiorRunningRequested();
@@ -1289,8 +1322,8 @@ void CdbDebugEngine::fetchDisassembler(DisassemblerViewAgent *agent,
         }
         QString disassembly;
         QApplication::setOverrideCursor(Qt::WaitCursor);
-        ok = dissassemble(m_d->m_cif.debugClient, m_d->m_cif.debugControl, offset, addressFieldWith,
-                          ContextLines, ContextLines, QTextStream(&disassembly), &errorMessage);
+        ok = dissassemble(m_d->m_cif.debugClient, m_d->m_cif.debugControl, offset,
+                          ContextLines, ContextLines, addressFieldWith, QTextStream(&disassembly), &errorMessage);
         QApplication::restoreOverrideCursor();
         if (!ok)
             break;

src/plugins/debugger/cdb/cdbdebugengine_p.h

@@ -146,6 +146,8 @@ struct CdbDebugEnginePrivate
     QStringList symbolPaths() const;
     bool setSymbolPaths(const QStringList &s, QString *errorMessage);
 
+    bool setCodeLevel();
+
     const QSharedPointer<CdbOptions>  m_options;
     HANDLE                  m_hDebuggeeProcess;
     HANDLE                  m_hDebuggeeThread;