Valgrind: Suppress messagebox on SIGTRAP for vgdb

Change-Id: I5af3a3a67a9c9903337e0035733a74ad482ba197
Reviewed-by: hjk <hjk@theqtcompany.com>

src/plugins/debugger/debuggerstartparameters.h

@@ -42,6 +42,7 @@
 #include <projectexplorer/devicesupport/idevice.h>
 
 #include <QMetaType>
+#include <QVector>
 
 namespace Debugger {
 
@@ -156,6 +157,9 @@ public:
     bool useContinueInsteadOfRun; // if connected to a hw debugger run is not possible but continue is used
     QByteArray commandsAfterConnect; // additional commands to post after connection to debug target
 
+    // Used by Valgrind
+    QVector<QByteArray> expectedSignals;
+
     QStringList solibSearchPath;
     DebuggerStartMode startMode;
     DebuggerCloseMode closeMode;

src/plugins/debugger/gdb/gdbengine.cpp

@@ -1626,7 +1626,7 @@ void GdbEngine::handleStop2(const GdbMi &data)
             QByteArray meaning = data["signal-meaning"].data();
             // Ignore these as they are showing up regularly when
             // stopping debugging.
-            if (name == stopSignal(sp.toolChainAbi)) {
+            if (name == stopSignal(sp.toolChainAbi) || sp.expectedSignals.contains(name)) {
                 showMessage(_(name + " CONSIDERED HARMLESS. CONTINUING."));
             } else {
                 showMessage(_("HANDLING SIGNAL " + name));

src/plugins/valgrind/memcheckengine.cpp

@@ -188,6 +188,7 @@ void MemcheckWithGdbRunControl::startDebugger()
     sp.displayName = QString::fromLatin1("VGdb %1").arg(valgrindPid);
     sp.remoteChannel = QString::fromLatin1("| vgdb --pid=%1").arg(valgrindPid);
     sp.useContinueInsteadOfRun = true;
+    sp.expectedSignals << "SIGTRAP";
 
     QString errorMessage;
     RunControl *gdbRunControl = Debugger::DebuggerRunControlFactory::doCreate(sp, rc, &errorMessage);