Debugger: test gdb threeadlist capability

Reviewed-by: hjk

share/qtcreator/gdbmacros/dumper.py

@@ -89,6 +89,13 @@ def isGoodGdb():
     #   and gdb.VERSION != "6.8.50.20090630-cvs"
     return 'parse_and_eval' in __builtin__.dir(gdb)
 
+def hasInferiorThreadList():
+    try:
+        a= gdb.inferiors()[0].threads()
+        return True
+    except:
+        return False
+
 typeCache = {}
 
 def lookupType(typestring):
@@ -912,6 +919,7 @@ def bbsetup():
     for key, value in qqFormats.items():
         result += '{type="%s",formats="%s"},' % (key, value)
     result += '],namespace="%s"' % qqNs
+    result += ',hasInferiorThreadList="%s"' % int(hasInferiorThreadList())
     return result
 
 
@@ -1715,7 +1723,6 @@ class ThreadNamesCommand(gdb.Command):
                 if e.name() == self.ns + "QThreadPrivate::start":
                     thrptr = e.read_var("thr").dereference()
                     d_ptr = thrptr["d_ptr"]["d"].cast(lookupType(self.ns + "QObjectPrivate").pointer()).dereference()
-                    #warn("D_PTR: %s " % d_ptr)
                     objectName = d_ptr["objectName"]
                     i = 0
                     out += '{valueencoded="' + str(Hex4EncodedLittleEndianWithoutQuotes)+'",id="'

src/plugins/debugger/gdb/gdbengine.cpp

@@ -1538,6 +1538,8 @@ void GdbEngine::handleHasPython(const GdbResponse &response)
             formats.append(reported.split(_(","), QString::SkipEmptyParts));
             watchHandler()->addTypeFormats(type, formats);
         }
+        const GdbMi hasInferiorThreadList = data.findChild("hasInferiorThreadList");
+        m_hasInferiorThreadList = (hasInferiorThreadList.data().toInt() != 0);
     } else {
         m_hasPython = false;
         if (m_gdbAdapter->dumperHandling()
@@ -2963,7 +2965,8 @@ void GdbEngine::handleThreadInfo(const GdbResponse &response)
             response.data.findChild("current-thread-id").data().toInt();
         threadsHandler()->setCurrentThreadId(currentThreadId);
         plugin()->updateState(this); // Adjust Threads combobox.
-        postCommand("threadnames " + theDebuggerAction(MaximalStackDepth)->value().toByteArray(), CB(handleThreadNames), id);
+        if (m_hasInferiorThreadList)
+            postCommand("threadnames " + theDebuggerAction(MaximalStackDepth)->value().toByteArray(), CB(handleThreadNames), id);
     } else {
         // Fall back for older versions: Try to get at least a list
         // of running threads.

src/plugins/debugger/gdb/gdbengine.h

@@ -302,6 +302,7 @@ private: ////////// Gdb Output, State & Capability Handling //////////
     int m_gdbBuildVersion; // MAC only?
     bool m_isMacGdb;
     bool m_hasPython;
+    bool m_hasInferiorThreadList;
 
 private: ////////// Inferior Management //////////