debugger: rework core adapter

The name of the binary is now read using the elfreader instead
of attaching gdb twice.

Change-Id: I7a75bc64278c4f43e7085d2e479b53173602c966
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/debugger/moduleshandler.cpp

@@ -220,7 +220,7 @@ void ModulesModel::updateModule(const Module &module)
 {
     const int row = indexOfModule(module.modulePath);
     ElfReader reader(module.modulePath);
-    ElfSections sections = reader.sections();
+    ElfHeaders sections = reader.readHeaders();
     if (row == -1) {
         const int n = m_modules.size();
         beginInsertRows(QModelIndex(), n, n);