Implement ObjectFileELF::GetModuleSpecifications(), and add PlatformLinux code to deal with unknown arch properties.

CR: Greg Clayton
llvm-svn: 182065
diff --git a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h
index cdf2731..6efd981 100644
--- a/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h
+++ b/lldb/source/Plugins/ObjectFile/ELF/ObjectFileELF.h
@@ -65,6 +65,12 @@
                              lldb::offset_t file_offset,
                              lldb::offset_t length,
                              lldb_private::ModuleSpecList &specs);
+
+    static bool
+    MagicBytesMatch (lldb::DataBufferSP& data_sp,
+                     lldb::addr_t offset, 
+                     lldb::addr_t length);
+
     //------------------------------------------------------------------
     // PluginInterface protocol
     //------------------------------------------------------------------