diff --git a/src/examples/eolian_cxx/colourable.c b/src/examples/eolian_cxx/colourable.c
index 1c7ff5e445..655d63c5c2 100644
--- a/src/examples/eolian_cxx/colourable.c
+++ b/src/examples/eolian_cxx/colourable.c
@@ -26,7 +26,7 @@ struct _Colourable_Data
 
 typedef struct _Colourable_Data  Colourable_Data;
 
-void
+Eo *
 _colourable_eo_base_constructor(Eo *obj, Colourable_Data *self EINA_UNUSED)
 {
    if(!_colourable_impl_logdomain)
@@ -35,7 +35,7 @@ _colourable_eo_base_constructor(Eo *obj, Colourable_Data *self EINA_UNUSED)
           = eina_log_domain_register("colourable", EINA_COLOR_BLUE);
      }
    DBG("_colourable_constructor(%p, %p)\n", obj, MY_CLASS);
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   return eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 }
 
 void
diff --git a/src/examples/eolian_cxx/colourable_cxx.cc b/src/examples/eolian_cxx/colourable_cxx.cc
index bd4fa46d52..934a5d0c60 100644
--- a/src/examples/eolian_cxx/colourable_cxx.cc
+++ b/src/examples/eolian_cxx/colourable_cxx.cc
@@ -19,12 +19,12 @@ extern "C"
 
 static efl::eina::log_domain domain("colourable");
 
-void
+Eo *
 _colourable_eo_base_constructor(Eo *obj, Colourable_Data *self)
 {
    EINA_CXX_DOM_LOG_DBG(domain) << __func__ << std::endl;
    self->r = self->g = self->b = 0;
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   return eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 }
 
 void
diff --git a/src/examples/eolian_cxx/colourable_stub.h b/src/examples/eolian_cxx/colourable_stub.h
index f6d758c28f..26b44b1644 100644
--- a/src/examples/eolian_cxx/colourable_stub.h
+++ b/src/examples/eolian_cxx/colourable_stub.h
@@ -13,7 +13,7 @@ struct _Colourable_Data
 };
 typedef struct _Colourable_Data  Colourable_Data;
 
-void _colourable_eo_base_constructor(Eo *obj, Colourable_Data *self);
+Eo *_colourable_eo_base_constructor(Eo *obj, Colourable_Data *self);
 void _colourable_eo_base_destructor(Eo *obj, Colourable_Data *self);
 void _colourable_rgb_24bits_constructor(Eo *obj, Colourable_Data *self, int rgb);
 void _colourable_print_colour(Eo *obj, Colourable_Data *self);
diff --git a/src/lib/ecore_audio/ecore_audio_obj.c b/src/lib/ecore_audio/ecore_audio_obj.c
index 43fc821aaa..3607cd9fca 100644
--- a/src/lib/ecore_audio/ecore_audio_obj.c
+++ b/src/lib/ecore_audio/ecore_audio_obj.c
@@ -54,12 +54,11 @@ _ecore_audio_volume_get(Eo *eo_obj EINA_UNUSED, Ecore_Audio_Object *obj)
   return obj->volume;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _ecore_audio_eo_base_constructor(Eo *eo_obj, Ecore_Audio_Object *obj)
 {
-  eo_do_super(eo_obj, MY_CLASS, eo_constructor());
-
   obj->volume = 1.0;
+  return eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 }
 
 #include "ecore_audio.eo.c"
diff --git a/src/lib/ecore_audio/ecore_audio_obj_in.c b/src/lib/ecore_audio/ecore_audio_obj_in.c
index ece944059b..a6afa18781 100644
--- a/src/lib/ecore_audio/ecore_audio_obj_in.c
+++ b/src/lib/ecore_audio/ecore_audio_obj_in.c
@@ -170,12 +170,14 @@ _ecore_audio_in_ecore_audio_vio_set(Eo *eo_obj, Ecore_Audio_Input *obj, Ecore_Au
   obj->seekable = (vio->seek != NULL);
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _ecore_audio_in_eo_base_constructor(Eo *eo_obj, Ecore_Audio_Input *obj)
 {
-  eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+  eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 
   obj->speed = 1.0;
+
+  return eo_obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/ecore_audio/ecore_audio_obj_in_tone.c b/src/lib/ecore_audio/ecore_audio_obj_in_tone.c
index bdecc21860..ac83b85766 100644
--- a/src/lib/ecore_audio/ecore_audio_obj_in_tone.c
+++ b/src/lib/ecore_audio/ecore_audio_obj_in_tone.c
@@ -107,12 +107,12 @@ _ecore_audio_in_tone_eo_base_key_data_get(Eo *eo_obj, Ecore_Audio_In_Tone_Data *
   }
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _ecore_audio_in_tone_eo_base_constructor(Eo *eo_obj, Ecore_Audio_In_Tone_Data *obj)
 {
   Ecore_Audio_Input *in_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_IN_CLASS);
 
-  eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+  eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 
   in_obj->channels = 1;
   in_obj->samplerate = 44100;
@@ -120,6 +120,8 @@ _ecore_audio_in_tone_eo_base_constructor(Eo *eo_obj, Ecore_Audio_In_Tone_Data *o
   in_obj->seekable = EINA_TRUE;
 
   obj->freq = 1000;
+
+  return eo_obj;
 }
 
 #include "ecore_audio_in_tone.eo.c"
diff --git a/src/lib/ecore_audio/ecore_audio_obj_out.c b/src/lib/ecore_audio/ecore_audio_obj_out.c
index 2d8522b58e..0414d668b5 100644
--- a/src/lib/ecore_audio/ecore_audio_obj_out.c
+++ b/src/lib/ecore_audio/ecore_audio_obj_out.c
@@ -129,12 +129,14 @@ _ecore_audio_out_ecore_audio_vio_set(Eo *eo_obj, Ecore_Audio_Output *_pd EINA_UN
   ea_obj->vio->free_func = free_func;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _ecore_audio_out_eo_base_constructor(Eo *eo_obj, Ecore_Audio_Output *obj)
 {
-  eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+  eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 
   obj->need_writer = EINA_TRUE;
+
+  return eo_obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/ecore_audio/ecore_audio_obj_out_pulse.c b/src/lib/ecore_audio/ecore_audio_obj_out_pulse.c
index a7308ab7ef..fffe4c47d8 100644
--- a/src/lib/ecore_audio/ecore_audio_obj_out_pulse.c
+++ b/src/lib/ecore_audio/ecore_audio_obj_out_pulse.c
@@ -255,14 +255,14 @@ static void _state_job(void *data EINA_UNUSED)
    class_vars.state_job = NULL;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _ecore_audio_out_pulse_eo_base_constructor(Eo *eo_obj, Ecore_Audio_Out_Pulse_Data *_pd EINA_UNUSED)
 {
   int argc;
   char **argv;
   Ecore_Audio_Output *out_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OUT_CLASS);
 
-  eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+  eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 
   out_obj->need_writer = EINA_FALSE;
 
@@ -281,6 +281,8 @@ _ecore_audio_out_pulse_eo_base_constructor(Eo *eo_obj, Ecore_Audio_Out_Pulse_Dat
   class_vars.outputs = eina_list_append(class_vars.outputs, eo_obj);
   if (class_vars.state_job) eo_del(class_vars.state_job);
   class_vars.state_job = ecore_job_add(_state_job, NULL);
+
+  return eo_obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/ecore_audio/ecore_audio_obj_out_sndfile.c b/src/lib/ecore_audio/ecore_audio_obj_out_sndfile.c
index fc552b8257..d986b67dbf 100644
--- a/src/lib/ecore_audio/ecore_audio_obj_out_sndfile.c
+++ b/src/lib/ecore_audio/ecore_audio_obj_out_sndfile.c
@@ -158,17 +158,18 @@ _ecore_audio_out_sndfile_ecore_audio_format_get(Eo *eo_obj, Ecore_Audio_Out_Sndf
   return obj->format;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _ecore_audio_out_sndfile_eo_base_constructor(Eo *eo_obj, Ecore_Audio_Out_Sndfile_Data *_pd EINA_UNUSED)
 {
   Ecore_Audio_Output *out_obj = eo_data_scope_get(eo_obj, ECORE_AUDIO_OUT_CLASS);
 
-  eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+  eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 
   eo_do(eo_obj, ecore_audio_obj_format_set(ECORE_AUDIO_FORMAT_OGG));
 
   // FIXME: Use writer from output
   out_obj->need_writer = EINA_FALSE;
+  return eo_obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/ecore_con/ecore_con.c b/src/lib/ecore_con/ecore_con.c
index dee26e1729..bc121d3965 100644
--- a/src/lib/ecore_con/ecore_con.c
+++ b/src/lib/ecore_con/ecore_con.c
@@ -372,15 +372,17 @@ ecore_con_server_add(Ecore_Con_Type compl_type,
    return obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _ecore_con_server_eo_base_constructor(Ecore_Con_Server *obj, Ecore_Con_Server_Data *svr)
 {
-   eo_do_super(obj, ECORE_CON_SERVER_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, ECORE_CON_SERVER_CLASS, obj, eo_constructor());
 
    svr->fd = -1;
    svr->reject_excess_clients = EINA_FALSE;
    svr->client_limit = -1;
    svr->clients = NULL;
+
+   return obj;
 }
 
 EOLIAN static Eo *
diff --git a/src/lib/ecore_con/ecore_con_url.c b/src/lib/ecore_con/ecore_con_url.c
index 37902edacd..37f5fa0b6c 100644
--- a/src/lib/ecore_con/ecore_con_url.c
+++ b/src/lib/ecore_con/ecore_con_url.c
@@ -453,25 +453,26 @@ ecore_con_url_new(const char *url)
    return url_obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _efl_network_url_eo_base_constructor(Efl_Network_Url *url_obj, Efl_Network_Url_Data *url_con EINA_UNUSED)
 {
-   eo_do_super(url_obj, MY_CLASS, eo_constructor());
+   url_obj = eo_do_super_ret(url_obj, MY_CLASS, url_obj, eo_constructor());
 
    if (!_init_count) eo_error_set(url_obj);
    if (!_c_init())
      {
         eo_error_set(url_obj);
-        return;
+        return NULL;
      }
 
    url_con->curl_easy = _c->curl_easy_init();
    if (!url_con->curl_easy)
      {
         eo_error_set(url_obj);
-        return;
+        return NULL;
      }
 
+   return url_obj;
 }
 
 EOLIAN static Eo *
diff --git a/src/lib/ector/cairo/ector_cairo_surface.c b/src/lib/ector/cairo/ector_cairo_surface.c
index 377fbbd0ca..10fef6560e 100644
--- a/src/lib/ector/cairo/ector_cairo_surface.c
+++ b/src/lib/ector/cairo/ector_cairo_surface.c
@@ -121,14 +121,16 @@ _ector_cairo_surface_ector_generic_surface_reference_point_set(Eo *obj EINA_UNUS
    pd->current.y = y;
 }
 
-static void
+static Eo *
 _ector_cairo_surface_eo_base_constructor(Eo *obj,
                                          Ector_Cairo_Surface_Data *pd)
 {
-   eo_do_super(obj, ECTOR_CAIRO_SURFACE_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, ECTOR_CAIRO_SURFACE_CLASS, obj, eo_constructor());
    _cairo_count++;
 
    _ector_cairo_surface_context_set(obj, pd, NULL);
+
+   return obj;
 }
 
 static void
diff --git a/src/lib/ector/cairo/ector_renderer_cairo_base.c b/src/lib/ector/cairo/ector_renderer_cairo_base.c
index 1580b4e597..5bf0f88e58 100644
--- a/src/lib/ector/cairo/ector_renderer_cairo_base.c
+++ b/src/lib/ector/cairo/ector_renderer_cairo_base.c
@@ -190,16 +190,18 @@ _ector_renderer_cairo_base_ector_renderer_generic_base_draw(Eo *obj,
    return EINA_TRUE;
 }
 
-static void
+static Eo *
 _ector_renderer_cairo_base_eo_base_constructor(Eo *obj, Ector_Renderer_Cairo_Base_Data *pd EINA_UNUSED)
 {
-   eo_do_super(obj, ECTOR_RENDERER_CAIRO_BASE_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, ECTOR_RENDERER_CAIRO_BASE_CLASS, obj, eo_constructor());
 
    pd->generic = eo_data_xref(obj, ECTOR_RENDERER_GENERIC_BASE_CLASS, obj);
 
-   USE(obj, cairo_matrix_init_identity, );
+   USE(obj, cairo_matrix_init_identity, NULL);
 
    cairo_matrix_init_identity(&identity);
+
+   return obj;
 }
 
 static void
diff --git a/src/lib/ector/cairo/ector_renderer_cairo_shape.c b/src/lib/ector/cairo/ector_renderer_cairo_shape.c
index 2b79e8bb15..b3923e97e2 100644
--- a/src/lib/ector/cairo/ector_renderer_cairo_shape.c
+++ b/src/lib/ector/cairo/ector_renderer_cairo_shape.c
@@ -244,15 +244,17 @@ _ector_renderer_cairo_shape_ector_renderer_generic_base_bounds_get(Eo *obj,
    r->y += bd->generic->origin.y;
 }
 
-void
+Eo *
 _ector_renderer_cairo_shape_eo_base_constructor(Eo *obj, Ector_Renderer_Cairo_Shape_Data *pd)
 {
-   eo_do_super(obj, ECTOR_RENDERER_CAIRO_SHAPE_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, ECTOR_RENDERER_CAIRO_SHAPE_CLASS, obj, eo_constructor());
    pd->shape = eo_data_xref(obj, ECTOR_RENDERER_GENERIC_SHAPE_MIXIN, obj);
    pd->base = eo_data_xref(obj, ECTOR_RENDERER_GENERIC_BASE_CLASS, obj);
 
    eo_do(obj,
          eo_event_callback_add(EFL_GFX_PATH_CHANGED, _ector_renderer_cairo_shape_path_changed, pd));
+
+   return obj;
 }
 
 void
diff --git a/src/lib/ector/software/ector_renderer_software_gradient_linear.c b/src/lib/ector/software/ector_renderer_software_gradient_linear.c
index a6e32b008b..f2ca832cdc 100644
--- a/src/lib/ector/software/ector_renderer_software_gradient_linear.c
+++ b/src/lib/ector/software/ector_renderer_software_gradient_linear.c
@@ -71,13 +71,15 @@ _ector_renderer_software_gradient_linear_ector_renderer_software_base_fill(Eo *o
    return EINA_TRUE;
 }
 
-void
+Eo *
 _ector_renderer_software_gradient_linear_eo_base_constructor(Eo *obj,
                                                              Ector_Renderer_Software_Gradient_Data *pd)
 {
-   eo_do_super(obj, ECTOR_RENDERER_SOFTWARE_GRADIENT_LINEAR_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, ECTOR_RENDERER_SOFTWARE_GRADIENT_LINEAR_CLASS, obj, eo_constructor());
    pd->gd  = eo_data_xref(obj, ECTOR_RENDERER_GENERIC_GRADIENT_MIXIN, obj);
    pd->gld = eo_data_xref(obj, ECTOR_RENDERER_GENERIC_GRADIENT_LINEAR_MIXIN, obj);
+
+   return obj;
 }
 
 void
diff --git a/src/lib/ector/software/ector_renderer_software_gradient_radial.c b/src/lib/ector/software/ector_renderer_software_gradient_radial.c
index a05b4874f4..5b63f957be 100644
--- a/src/lib/ector/software/ector_renderer_software_gradient_radial.c
+++ b/src/lib/ector/software/ector_renderer_software_gradient_radial.c
@@ -79,13 +79,15 @@ _ector_renderer_software_gradient_radial_ector_renderer_software_base_fill(Eo *o
    return EINA_TRUE;
 }
 
-void
+Eo *
 _ector_renderer_software_gradient_radial_eo_base_constructor(Eo *obj,
                                                              Ector_Renderer_Software_Gradient_Data *pd)
 {
-   eo_do_super(obj, ECTOR_RENDERER_SOFTWARE_GRADIENT_RADIAL_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, ECTOR_RENDERER_SOFTWARE_GRADIENT_RADIAL_CLASS, obj, eo_constructor());
    pd->gd  = eo_data_xref(obj, ECTOR_RENDERER_GENERIC_GRADIENT_MIXIN, obj);
    pd->gld = eo_data_xref(obj, ECTOR_RENDERER_GENERIC_GRADIENT_RADIAL_MIXIN, obj);
+
+   return obj;
 }
 
 void
diff --git a/src/lib/ector/software/ector_renderer_software_shape.c b/src/lib/ector/software/ector_renderer_software_shape.c
index 2e4fbea5aa..a91b80eb3b 100644
--- a/src/lib/ector/software/ector_renderer_software_shape.c
+++ b/src/lib/ector/software/ector_renderer_software_shape.c
@@ -362,14 +362,16 @@ _ector_renderer_software_shape_path_changed(void *data, Eo *obj EINA_UNUSED, con
    return EINA_TRUE;
 }
 
-void
+Eo *
 _ector_renderer_software_shape_eo_base_constructor(Eo *obj, Ector_Renderer_Software_Shape_Data *pd)
 {
-   eo_do_super(obj, ECTOR_RENDERER_SOFTWARE_SHAPE_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, ECTOR_RENDERER_SOFTWARE_SHAPE_CLASS, obj, eo_constructor());
    pd->shape = eo_data_xref(obj, ECTOR_RENDERER_GENERIC_SHAPE_MIXIN, obj);
    pd->base = eo_data_xref(obj, ECTOR_RENDERER_GENERIC_BASE_CLASS, obj);
    eo_do(obj,
          eo_event_callback_add(EFL_GFX_PATH_CHANGED, _ector_renderer_software_shape_path_changed, pd));
+
+   return obj;
 }
 
 void
diff --git a/src/lib/ector/software/ector_software_surface.c b/src/lib/ector/software/ector_software_surface.c
index 02d93c39df..a5583028e6 100644
--- a/src/lib/ector/software/ector_software_surface.c
+++ b/src/lib/ector/software/ector_software_surface.c
@@ -65,17 +65,19 @@ _ector_software_surface_surface_get(Eo *obj EINA_UNUSED,
    *height = pd->software->fill_data.raster_buffer.height;
 }
 
-static void
+static Eo *
 _ector_software_surface_eo_base_constructor(Eo *obj,
                                             Ector_Software_Surface_Data *pd EINA_UNUSED)
 {
-  eo_do_super(obj, ECTOR_SOFTWARE_SURFACE_CLASS, eo_constructor());
+  obj = eo_do_super_ret(obj, ECTOR_SOFTWARE_SURFACE_CLASS, obj, eo_constructor());
   if(_software_count == 0)
     {
        pd->software = (Software_Rasterizer *) calloc(1, sizeof(Software_Rasterizer));
        ector_software_rasterizer_init(pd->software);
     }
   _software_count++;
+
+  return obj;
 }
 
 static void
diff --git a/src/lib/edje/edje_edit.c b/src/lib/edje/edje_edit.c
index 1086d64f5f..891584ed78 100644
--- a/src/lib/edje/edje_edit.c
+++ b/src/lib/edje/edje_edit.c
@@ -239,12 +239,12 @@ edje_edit_object_add(Evas *evas)
    return e;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _edje_edit_eo_base_constructor(Eo *obj, Edje_Edit *eed)
 {
    eed->base = eo_data_ref(obj, EDJE_OBJECT_CLASS);
 
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   return eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 }
 
 EOLIAN static void
diff --git a/src/lib/edje/edje_smart.c b/src/lib/edje/edje_smart.c
index 7de630d70b..f75abd7873 100644
--- a/src/lib/edje/edje_smart.c
+++ b/src/lib/edje/edje_smart.c
@@ -24,14 +24,16 @@ edje_object_add(Evas *evas)
    return e;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _edje_object_eo_base_constructor(Eo *obj, Edje *ed)
 {
    ed->base = eo_data_ref(obj, EVAS_SMART_CLIPPED_CLASS);
 
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
    eo_do(obj, evas_obj_type_set(MY_CLASS_NAME_LEGACY));
    _edje_lib_ref();
+
+   return obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/eio/eio_model.c b/src/lib/eio/eio_model.c
index 384a8e4200..5ff288ea0b 100644
--- a/src/lib/eio/eio_model.c
+++ b/src/lib/eio/eio_model.c
@@ -623,15 +623,15 @@ _eio_model_efl_model_base_children_slice_get(Eo *obj EINA_UNUSED, Eio_Model_Data
 /**
  * Class definitions
  */
-static void
+static Eo *
 _eio_model_eo_base_constructor(Eo *obj, Eio_Model_Data *priv)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
    unsigned int i;
    priv->obj = obj;
 
    priv->properties_name = eina_array_new(EIO_MODEL_PROP_LAST);
-   EINA_SAFETY_ON_NULL_RETURN(priv->properties_name);
+   EINA_SAFETY_ON_NULL_RETURN_VAL(priv->properties_name, NULL);
    for (i = 0; i < EIO_MODEL_PROP_LAST; ++i)
      eina_array_push(priv->properties_name, _eio_model_prop_names[i]);
 
@@ -645,6 +645,8 @@ _eio_model_eo_base_constructor(Eo *obj, Eio_Model_Data *priv)
    priv->load.status = EFL_MODEL_LOAD_STATUS_UNLOADED;
    priv->monitor = NULL;
    eina_spinlock_new(&priv->filter_lock);
+
+   return obj;
 }
 
 static void
diff --git a/src/lib/emotion/emotion_smart.c b/src/lib/emotion/emotion_smart.c
index 8cf589903d..fbbbb49170 100644
--- a/src/lib/emotion/emotion_smart.c
+++ b/src/lib/emotion/emotion_smart.c
@@ -263,11 +263,13 @@ emotion_object_add(Evas *evas)
    return e;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _emotion_object_eo_base_constructor(Eo *obj, Emotion_Object_Data *pd EINA_UNUSED)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
    eo_do(obj, evas_obj_type_set(E_OBJ_NAME));
+
+   return obj;
 }
 
 EAPI Evas_Object *
diff --git a/src/lib/eo/Eo.h b/src/lib/eo/Eo.h
index 8a271f967b..bc83ddbddd 100644
--- a/src/lib/eo/Eo.h
+++ b/src/lib/eo/Eo.h
@@ -639,8 +639,8 @@ EAPI void eo_error_set_internal(const Eo *obj, const char *file, int line);
 #define _eo_add_common(klass, parent, is_ref, ...) \
    ( \
      _eo_do_start(_eo_add_internal_start(__FILE__, __LINE__, klass, parent, is_ref), \
-        klass, EINA_FALSE, __FILE__, __FUNCTION__, __LINE__), \
-     eo_constructor(), ##__VA_ARGS__, \
+        klass, EINA_FALSE, __FILE__, __FUNCTION__, __LINE__) \
+     , ##__VA_ARGS__, \
      (Eo *) _eo_add_end() \
    )
 
diff --git a/src/lib/eo/eo.c b/src/lib/eo/eo.c
index 0edac2140d..d5e1d3adb7 100644
--- a/src/lib/eo/eo.c
+++ b/src/lib/eo/eo.c
@@ -920,6 +920,18 @@ _eo_add_internal_start(const char *file, int line, const Eo_Class *klass_id, Eo
           }
      }
 
+   /* eo_id can change here. Freeing is done on the resolved object. */
+   eo_do(eo_id, eo_id = eo_constructor());
+   if (!eo_id)
+     {
+        ERR("Object of class '%s' - Error while constructing object",
+            klass->desc->name);
+        /* Unref twice, once for the ref in _eo_add_internal_start, and once for the basic object ref. */
+        _eo_unref(obj);
+        _eo_unref(obj);
+        return NULL;
+     }
+
    return eo_id;
 }
 
diff --git a/src/lib/eo/eo_base.eo b/src/lib/eo/eo_base.eo
index e4bd0e8bc7..5c7123c4e5 100644
--- a/src/lib/eo/eo_base.eo
+++ b/src/lib/eo/eo_base.eo
@@ -45,6 +45,7 @@ Return event freeze count. */
       constructor {
          /*@ Call the object's constructor.
 Should not be used with #eo_do. Only use it with #eo_do_super. */
+         return: Eo *; /*@ The new object created, can be NULL if aborting */
       }
       destructor {
          /*@ Call the object's destructor.
diff --git a/src/lib/eo/eo_base_class.c b/src/lib/eo/eo_base_class.c
index a84dcf005e..a263c1ec64 100644
--- a/src/lib/eo/eo_base_class.c
+++ b/src/lib/eo/eo_base_class.c
@@ -967,12 +967,14 @@ EAPI const Eina_Value_Type *EO_DBG_INFO_TYPE = &_EO_DBG_INFO_TYPE;
 /* EO_BASE_CLASS stuff */
 #define MY_CLASS EO_BASE_CLASS
 
-EOLIAN static void
+EOLIAN static Eo *
 _eo_base_constructor(Eo *obj, Eo_Base_Data *pd EINA_UNUSED)
 {
    DBG("%p - %s.", obj, eo_class_name_get(MY_CLASS));
 
    _eo_condtor_done(obj);
+
+   return obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/evas/canvas/evas_3d_camera.c b/src/lib/evas/canvas/evas_3d_camera.c
index 7a9c8a5a25..8467f8e0b0 100644
--- a/src/lib/evas/canvas/evas_3d_camera.c
+++ b/src/lib/evas/canvas/evas_3d_camera.c
@@ -62,12 +62,14 @@ evas_3d_camera_node_del(Evas_3D_Camera *camera, Evas_3D_Node *node)
    else eina_hash_set(pd->nodes, &node, (const void *)(uintptr_t)(count - 1));
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_3d_camera_eo_base_constructor(Eo *obj,
                                        Evas_3D_Camera_Data *pd EINA_UNUSED)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
    eo_do(obj, evas_3d_object_type_set(EVAS_3D_OBJECT_TYPE_CAMERA));
+
+   return obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/evas/canvas/evas_3d_light.c b/src/lib/evas/canvas/evas_3d_light.c
index d8c73b66e4..455ded65e9 100644
--- a/src/lib/evas/canvas/evas_3d_light.c
+++ b/src/lib/evas/canvas/evas_3d_light.c
@@ -76,10 +76,10 @@ evas_3d_light_add(Evas *e)
    return eo_obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_3d_light_eo_base_constructor(Eo *obj, Evas_3D_Light_Data *pd)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
    eo_do(obj, evas_3d_object_type_set(EVAS_3D_OBJECT_TYPE_LIGHT));
    evas_color_set(&pd->ambient, 0.0, 0.0, 0.0, 1.0);
    evas_color_set(&pd->diffuse, 1.0, 1.0, 1.0, 1.0);
@@ -92,6 +92,8 @@ _evas_3d_light_eo_base_constructor(Eo *obj, Evas_3D_Light_Data *pd)
    pd->atten_const = 1.0;
    pd->atten_linear = 0.0;
    pd->atten_quad = 0.0;
+
+   return obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/evas/canvas/evas_3d_material.c b/src/lib/evas/canvas/evas_3d_material.c
index aee8c85c9a..5d609cab24 100644
--- a/src/lib/evas/canvas/evas_3d_material.c
+++ b/src/lib/evas/canvas/evas_3d_material.c
@@ -88,10 +88,10 @@ evas_3d_material_add(Evas *e)
    return eo_obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_3d_material_eo_base_constructor(Eo *obj EINA_UNUSED, Evas_3D_Material_Data *pd)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
    eo_do(obj, evas_3d_object_type_set(EVAS_3D_OBJECT_TYPE_MATERIAL));
 
    evas_color_set(&pd->attribs[EVAS_3D_MATERIAL_AMBIENT].color, 0.2, 0.2, 0.2, 1.0);
@@ -99,6 +99,8 @@ _evas_3d_material_eo_base_constructor(Eo *obj EINA_UNUSED, Evas_3D_Material_Data
    evas_color_set(&pd->attribs[EVAS_3D_MATERIAL_SPECULAR].color, 1.0, 1.0, 1.0, 1.0);
    evas_color_set(&pd->attribs[EVAS_3D_MATERIAL_EMISSION].color, 0.0, 0.0, 0.0, 1.0);
    pd->shininess = 150.0;
+
+   return obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/evas/canvas/evas_3d_mesh.c b/src/lib/evas/canvas/evas_3d_mesh.c
index df9d135aa4..1b8cc14eb9 100644
--- a/src/lib/evas/canvas/evas_3d_mesh.c
+++ b/src/lib/evas/canvas/evas_3d_mesh.c
@@ -252,12 +252,14 @@ evas_3d_mesh_add(Evas *e)
    return eo_obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_3d_mesh_eo_base_constructor(Eo *obj, Evas_3D_Mesh_Data *pd)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
    eo_do (obj, evas_3d_object_type_set(EVAS_3D_OBJECT_TYPE_MESH));
    _mesh_init(pd);
+
+   return obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/evas/canvas/evas_3d_object.c b/src/lib/evas/canvas/evas_3d_object.c
index 6cd2cb4621..5776fde511 100644
--- a/src/lib/evas/canvas/evas_3d_object.c
+++ b/src/lib/evas/canvas/evas_3d_object.c
@@ -3,15 +3,17 @@
 
 #define MY_CLASS EVAS_3D_OBJECT_CLASS
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_3d_object_eo_base_constructor(Eo *obj, Evas_3D_Object_Data *pd)
 {
    Eo *e = NULL;
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
    eo_do(obj, e = eo_parent_get());
    pd->evas = e;
    pd->type = EVAS_3D_OBJECT_TYPE_INVALID;
    memset(&pd->dirty[0], 0x00, sizeof(Eina_Bool) * EVAS_3D_STATE_MAX);
+
+   return obj;
 }
 
 EOLIAN static Evas *
diff --git a/src/lib/evas/canvas/evas_3d_scene.c b/src/lib/evas/canvas/evas_3d_scene.c
index 0bc0fb3b63..2b33c8a8f0 100644
--- a/src/lib/evas/canvas/evas_3d_scene.c
+++ b/src/lib/evas/canvas/evas_3d_scene.c
@@ -64,16 +64,18 @@ evas_3d_scene_add(Evas *e)
    return eo_obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_3d_scene_eo_base_constructor(Eo *obj, Evas_3D_Scene_Data *pd)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
    eo_do(obj, evas_3d_object_type_set(EVAS_3D_OBJECT_TYPE_SCENE));
    evas_color_set(&pd->bg_color, 0.0, 0.0, 0.0, 0.0);
    pd->shadows_enabled = EINA_FALSE;
    pd->color_pick_enabled = EINA_FALSE;
    pd->node_mesh_colors = NULL;
    pd->colors_node_mesh = NULL;
+
+   return obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/evas/canvas/evas_3d_texture.c b/src/lib/evas/canvas/evas_3d_texture.c
index 8b68d818d6..c221b431d0 100644
--- a/src/lib/evas/canvas/evas_3d_texture.c
+++ b/src/lib/evas/canvas/evas_3d_texture.c
@@ -319,13 +319,15 @@ evas_3d_texture_add(Evas *e)
 }
 
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_3d_texture_eo_base_constructor(Eo *obj, Evas_3D_Texture_Data *pd EINA_UNUSED)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
    pd->atlas_enable = EINA_TRUE;
 
    eo_do(obj, evas_3d_object_type_set(EVAS_3D_OBJECT_TYPE_TEXTURE));
+
+   return obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/evas/canvas/evas_main.c b/src/lib/evas/canvas/evas_main.c
index b14194d3be..1935d40756 100644
--- a/src/lib/evas/canvas/evas_main.c
+++ b/src/lib/evas/canvas/evas_main.c
@@ -148,10 +148,10 @@ evas_new(void)
    return eo_obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_canvas_eo_base_constructor(Eo *eo_obj, Evas_Public_Data *e)
 {
-   eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+   eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 
    e->evas = eo_obj;
    e->output.render_method = RENDER_METHOD_INVALID;
@@ -185,6 +185,8 @@ _evas_canvas_eo_base_constructor(Eo *eo_obj, Evas_Public_Data *e)
 
 #undef EVAS_ARRAY_SET
    eina_lock_new(&(e->lock_objects));
+
+   return eo_obj;
 }
 
 EAPI void
diff --git a/src/lib/evas/canvas/evas_object_box.c b/src/lib/evas/canvas/evas_object_box.c
index 1c42728745..eda1bcd9c1 100644
--- a/src/lib/evas/canvas/evas_object_box.c
+++ b/src/lib/evas/canvas/evas_object_box.c
@@ -462,13 +462,15 @@ evas_object_box_add(Evas *evas)
    return obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_box_eo_base_constructor(Eo *obj, Evas_Object_Box_Data *class_data EINA_UNUSED)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
    eo_do(obj,
          evas_obj_smart_callbacks_descriptions_set(_signals),
          evas_obj_type_set(MY_CLASS_NAME_LEGACY));
+
+   return obj;
 }
 
 EOLIAN static Evas_Object*
diff --git a/src/lib/evas/canvas/evas_object_grid.c b/src/lib/evas/canvas/evas_object_grid.c
index a55584e0ae..7d5e6d2af7 100644
--- a/src/lib/evas/canvas/evas_object_grid.c
+++ b/src/lib/evas/canvas/evas_object_grid.c
@@ -269,12 +269,13 @@ evas_object_grid_add(Evas *evas)
    return obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_grid_eo_base_constructor(Eo *obj, Evas_Grid_Data *class_data EINA_UNUSED)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
    eo_do(obj, evas_obj_smart_attach(_evas_object_grid_smart_class_new()));
 
+   return obj;
 //   return evas_object_smart_add(evas, _evas_object_grid_smart_class_new());
 }
 
diff --git a/src/lib/evas/canvas/evas_object_image.c b/src/lib/evas/canvas/evas_object_image.c
index cabeebbb0c..5e59dbb835 100644
--- a/src/lib/evas/canvas/evas_object_image.c
+++ b/src/lib/evas/canvas/evas_object_image.c
@@ -342,7 +342,7 @@ _init_cow(Eo *eo_obj)
    return EINA_TRUE;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_image_eo_base_constructor(Eo *eo_obj, Evas_Image_Data *o)
 {
    Evas_Object_Protected_Data *obj = eo_data_scope_get(eo_obj, EVAS_OBJECT_CLASS);
@@ -350,7 +350,7 @@ _evas_image_eo_base_constructor(Eo *eo_obj, Evas_Image_Data *o)
    Eo *parent = NULL;
    Evas_Colorspace cspace;
 
-   eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+   eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 
    eo_do(eo_obj, parent = eo_parent_get());
    eo_e = evas_object_evas_get(parent);
@@ -359,7 +359,7 @@ _evas_image_eo_base_constructor(Eo *eo_obj, Evas_Image_Data *o)
    evas_object_inject(eo_obj, obj, eo_e);
 
    if (!_init_cow(eo_obj))
-     return;
+     return NULL;
 
    o->load_opts = eina_cow_alloc(evas_object_image_load_opts_cow);
    o->pixels = eina_cow_alloc(evas_object_image_pixels_cow);
@@ -377,6 +377,8 @@ _evas_image_eo_base_constructor(Eo *eo_obj, Evas_Image_Data *o)
             state_write->filter = eina_cow_alloc(evas_object_filter_cow);
         EINA_COW_IMAGE_STATE_WRITE_END(o, state_write);
      }
+
+   return eo_obj;
 }
 
 EAPI Evas_Object *
diff --git a/src/lib/evas/canvas/evas_object_line.c b/src/lib/evas/canvas/evas_object_line.c
index 8090c611de..df9570af22 100644
--- a/src/lib/evas/canvas/evas_object_line.c
+++ b/src/lib/evas/canvas/evas_object_line.c
@@ -214,14 +214,14 @@ evas_object_line_init(Evas_Object *eo_obj)
    obj->type = o_type;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_line_eo_base_constructor(Eo *eo_obj, Evas_Line_Data *class_data EINA_UNUSED)
 {
    Evas_Object_Protected_Data *obj;
    Evas_Line_Data *o;
    Eo *parent = NULL;
 
-   eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+   eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 
    obj = eo_data_scope_get(eo_obj, EVAS_OBJECT_CLASS);
    evas_object_line_init(eo_obj);
@@ -235,6 +235,8 @@ _evas_line_eo_base_constructor(Eo *eo_obj, Evas_Line_Data *class_data EINA_UNUSE
    o->cur.x2 = 31;
    o->cur.y2 = 31;
    o->prev = o->cur;
+
+   return eo_obj;
 }
 
 static void
diff --git a/src/lib/evas/canvas/evas_object_main.c b/src/lib/evas/canvas/evas_object_main.c
index 5f0db505d5..c77db68300 100644
--- a/src/lib/evas/canvas/evas_object_main.c
+++ b/src/lib/evas/canvas/evas_object_main.c
@@ -82,12 +82,12 @@ _init_cow(void)
    return EINA_TRUE;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_object_eo_base_constructor(Eo *eo_obj, Evas_Object_Protected_Data *obj)
 {
    Eo *parent = NULL;
 
-   eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+   eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
    eo_do(eo_obj, evas_obj_type_set(MY_CLASS_NAME));
    eo_manual_free_set(eo_obj, EINA_TRUE);
 
@@ -96,7 +96,7 @@ _evas_object_eo_base_constructor(Eo *eo_obj, Evas_Object_Protected_Data *obj)
    if (!obj || !_init_cow() || !eo_isa(parent, EVAS_COMMON_INTERFACE_INTERFACE))
      {
         eo_error_set(eo_obj);
-        return;
+        return NULL;
      }
 
    obj->is_frame = EINA_FALSE;
@@ -107,6 +107,8 @@ _evas_object_eo_base_constructor(Eo *eo_obj, Evas_Object_Protected_Data *obj)
    obj->prev = eina_cow_alloc(evas_object_state_cow);
    obj->data_3d = eina_cow_alloc(evas_object_3d_cow);
    obj->mask = eina_cow_alloc(evas_object_mask_cow);
+
+   return eo_obj;
 }
 
 void
diff --git a/src/lib/evas/canvas/evas_object_polygon.c b/src/lib/evas/canvas/evas_object_polygon.c
index 4e5ed04836..4e5c6361f1 100644
--- a/src/lib/evas/canvas/evas_object_polygon.c
+++ b/src/lib/evas/canvas/evas_object_polygon.c
@@ -101,18 +101,20 @@ evas_object_polygon_add(Evas *e)
    return eo_obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_polygon_eo_base_constructor(Eo *eo_obj, Evas_Polygon_Data *class_data EINA_UNUSED)
 {
    Evas_Object_Protected_Data *obj;
    Eo *parent = NULL;
 
-   eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+   eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 
    obj = eo_data_scope_get(eo_obj, EVAS_OBJECT_CLASS);
    evas_object_polygon_init(eo_obj);
    eo_do(eo_obj, parent = eo_parent_get());
    evas_object_inject(eo_obj, obj, evas_object_evas_get(parent));
+
+   return eo_obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/evas/canvas/evas_object_rectangle.c b/src/lib/evas/canvas/evas_object_rectangle.c
index 9454a3dcac..cdee4ad1eb 100644
--- a/src/lib/evas/canvas/evas_object_rectangle.c
+++ b/src/lib/evas/canvas/evas_object_rectangle.c
@@ -89,18 +89,20 @@ evas_object_rectangle_add(Evas *e)
    return eo_obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_rectangle_eo_base_constructor(Eo *eo_obj, Evas_Rectangle_Data *class_data EINA_UNUSED)
 {
    Eo *parent = NULL;
 
-   eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+   eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 
    Evas_Object_Protected_Data *obj = eo_data_scope_get(eo_obj, EVAS_OBJECT_CLASS);
    evas_object_rectangle_init(eo_obj);
 
    eo_do(eo_obj, parent = eo_parent_get());
    evas_object_inject(eo_obj, obj, evas_object_evas_get(parent));
+
+   return eo_obj;
 }
 
 /* all nice and private */
diff --git a/src/lib/evas/canvas/evas_object_smart.c b/src/lib/evas/canvas/evas_object_smart.c
index 4623fc0b45..3aeb9376dd 100644
--- a/src/lib/evas/canvas/evas_object_smart.c
+++ b/src/lib/evas/canvas/evas_object_smart.c
@@ -545,7 +545,7 @@ evas_object_smart_add(Evas *eo_e, Evas_Smart *s)
    return eo_obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_object_smart_eo_base_constructor(Eo *eo_obj, Evas_Smart_Data *class_data EINA_UNUSED)
 {
    Evas_Object_Protected_Data *obj;
@@ -555,7 +555,7 @@ _evas_object_smart_eo_base_constructor(Eo *eo_obj, Evas_Smart_Data *class_data E
    smart = class_data;
    smart->object = eo_obj;
 
-   eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+   eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
    evas_object_smart_init(eo_obj);
 
    obj = eo_data_scope_get(eo_obj, EVAS_OBJECT_CLASS);
@@ -564,6 +564,8 @@ _evas_object_smart_eo_base_constructor(Eo *eo_obj, Evas_Smart_Data *class_data E
    eo_do(eo_obj,
          evas_obj_type_set(MY_CLASS_NAME_LEGACY),
          evas_obj_smart_add());
+
+   return eo_obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/evas/canvas/evas_object_smart_clipped.c b/src/lib/evas/canvas/evas_object_smart_clipped.c
index 38382f20fe..74720449b2 100644
--- a/src/lib/evas/canvas/evas_object_smart_clipped.c
+++ b/src/lib/evas/canvas/evas_object_smart_clipped.c
@@ -250,10 +250,10 @@ evas_object_smart_clipped_class_get(void)
    return class;
 }
 
-EOLIAN static void
-_evas_smart_clipped_eo_base_constructor(Eo *eo_obj, Evas_Object_Smart_Clipped_Data *class_data EINA_UNUSED)
+EOLIAN static Eo *
+_evas_smart_clipped_eo_base_constructor(Eo *obj, Evas_Object_Smart_Clipped_Data *class_data EINA_UNUSED)
 {
-   eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+   return eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 }
 
 #include "canvas/evas_smart_clipped.eo.c"
diff --git a/src/lib/evas/canvas/evas_object_table.c b/src/lib/evas/canvas/evas_object_table.c
index ea50553b2d..cc61e19373 100644
--- a/src/lib/evas/canvas/evas_object_table.c
+++ b/src/lib/evas/canvas/evas_object_table.c
@@ -966,11 +966,13 @@ evas_object_table_add(Evas *evas)
    return obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_table_eo_base_constructor(Eo *obj, Evas_Table_Data *class_data EINA_UNUSED)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
    eo_do(obj, evas_obj_type_set(MY_CLASS_NAME_LEGACY));
+
+   return obj;
 }
 
 EOLIAN static Evas_Object*
diff --git a/src/lib/evas/canvas/evas_object_text.c b/src/lib/evas/canvas/evas_object_text.c
index c053515e6d..c28e8a91e7 100644
--- a/src/lib/evas/canvas/evas_object_text.c
+++ b/src/lib/evas/canvas/evas_object_text.c
@@ -365,10 +365,10 @@ evas_object_text_add(Evas *e)
    return eo_obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_text_eo_base_constructor(Eo *eo_obj, Evas_Text_Data *o)
 {
-   eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+   eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
    evas_object_text_init(eo_obj);
    Evas_Object_Protected_Data *obj = eo_data_scope_get(eo_obj, EVAS_OBJECT_CLASS);
    Eo *parent = NULL;
@@ -377,6 +377,8 @@ _evas_text_eo_base_constructor(Eo *eo_obj, Evas_Text_Data *o)
    evas_object_inject(eo_obj, obj, evas_object_evas_get(parent));
 
    o->cur.filter = eina_cow_alloc(evas_object_filter_cow);
+
+   return eo_obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/evas/canvas/evas_object_textblock.c b/src/lib/evas/canvas/evas_object_textblock.c
index 688e09d894..a2d7079fee 100644
--- a/src/lib/evas/canvas/evas_object_textblock.c
+++ b/src/lib/evas/canvas/evas_object_textblock.c
@@ -5782,14 +5782,14 @@ evas_object_textblock_add(Evas *e)
    return eo_obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_textblock_eo_base_constructor(Eo *eo_obj, Evas_Textblock_Data *class_data EINA_UNUSED)
 {
    Evas_Object_Protected_Data *obj = eo_data_scope_get(eo_obj, EVAS_OBJECT_CLASS);
    Evas_Textblock_Data *o;
    Eo *eo_parent = NULL;
 
-   eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+   eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 
    /* set up methods (compulsory) */
    obj->func = &object_func;
@@ -5803,6 +5803,8 @@ _evas_textblock_eo_base_constructor(Eo *eo_obj, Evas_Textblock_Data *class_data
 
    eo_do(eo_obj, eo_parent = eo_parent_get());
    evas_object_inject(eo_obj, obj, evas_object_evas_get(eo_parent));
+
+   return eo_obj;
 }
 
 EAPI Evas_Textblock_Style *
diff --git a/src/lib/evas/canvas/evas_object_textgrid.c b/src/lib/evas/canvas/evas_object_textgrid.c
index 122e8e7c2c..7dbb739570 100644
--- a/src/lib/evas/canvas/evas_object_textgrid.c
+++ b/src/lib/evas/canvas/evas_object_textgrid.c
@@ -1061,18 +1061,20 @@ evas_object_textgrid_add(Evas *e)
    return eo_obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_textgrid_eo_base_constructor(Eo *eo_obj, Evas_Textgrid_Data *class_data EINA_UNUSED)
 {
    Eo *eo_parent = NULL;
 
-   eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+   eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 
    Evas_Object_Protected_Data *obj = eo_data_scope_get(eo_obj, EVAS_OBJECT_CLASS);
    evas_object_textgrid_init(eo_obj);
 
    eo_do(eo_obj, eo_parent = eo_parent_get());
    evas_object_inject(eo_obj, obj, evas_object_evas_get(eo_parent));
+
+   return eo_obj;
 }
 
 EOLIAN static void
diff --git a/src/lib/evas/canvas/evas_object_vg.c b/src/lib/evas/canvas/evas_object_vg.c
index 731eec6b55..0e3eaa76d0 100644
--- a/src/lib/evas/canvas/evas_object_vg.c
+++ b/src/lib/evas/canvas/evas_object_vg.c
@@ -98,13 +98,13 @@ _evas_vg_eo_base_destructor(Eo *eo_obj, Evas_VG_Data *pd)
    eo_do_super(eo_obj, MY_CLASS, eo_destructor());
 }
 
-void
+Eo *
 _evas_vg_eo_base_constructor(Eo *eo_obj, Evas_VG_Data *pd)
 {
    Evas_Object_Protected_Data *obj = eo_data_scope_get(eo_obj, EVAS_OBJECT_CLASS);
    Eo *parent = NULL;
 
-   eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+   eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 
    /* set up methods (compulsory) */
    obj->func = &object_func;
@@ -117,6 +117,8 @@ _evas_vg_eo_base_constructor(Eo *eo_obj, Evas_VG_Data *pd)
 
    eo_do(eo_obj, parent = eo_parent_get());
    evas_object_inject(eo_obj, obj, evas_object_evas_get(parent));
+
+   return eo_obj;
 }
 
 static void
diff --git a/src/lib/evas/canvas/evas_out.c b/src/lib/evas/canvas/evas_out.c
index ce00eb3fde..1558a90ed8 100644
--- a/src/lib/evas/canvas/evas_out.c
+++ b/src/lib/evas/canvas/evas_out.c
@@ -23,7 +23,7 @@ evas_out_add(Evas *e)
    return eo_obj;
 }
 
-EOLIAN static void
+EOLIAN static Eo *
 _evas_out_eo_base_constructor(Eo *eo_obj, Evas_Out_Data *eo_dat)
 {
    Eo *eo_parent = NULL;
@@ -33,14 +33,16 @@ _evas_out_eo_base_constructor(Eo *eo_obj, Evas_Out_Data *eo_dat)
    e = eo_data_scope_get(eo_parent, EVAS_CANVAS_CLASS);
    evas_canvas_async_block(e);
 
-   eo_do_super(eo_obj, MY_CLASS, eo_constructor());
+   eo_obj = eo_do_super_ret(eo_obj, MY_CLASS, eo_obj, eo_constructor());
 
-   if (!e) return;
+   if (!e) return NULL;
    e->outputs = eina_list_append(e->outputs, eo_obj);
    if (e->engine.func->info) eo_dat->info = e->engine.func->info(eo_parent);
    // XXX: context and output are currently held in the core engine and are
    // allocated by engine specific internal code. this all needs a new engine
    // api to make it work
+
+   return eo_obj;
 }
 
 EAPI void
diff --git a/src/lib/evas/canvas/evas_vg_container.c b/src/lib/evas/canvas/evas_vg_container.c
index ba0eeec8ca..f3ee7c9962 100644
--- a/src/lib/evas/canvas/evas_vg_container.c
+++ b/src/lib/evas/canvas/evas_vg_container.c
@@ -25,17 +25,19 @@ _efl_vg_container_render_pre(Eo *obj EINA_UNUSED,
      _evas_vg_render_pre(child, s, current);
 }
 
-static void
+static Eo *
 _efl_vg_container_eo_base_constructor(Eo *obj,
                                       Efl_VG_Container_Data *pd)
 {
    Efl_VG_Base_Data *nd;
 
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 
    nd = eo_data_scope_get(obj, EFL_VG_BASE_CLASS);
    nd->render_pre = _efl_vg_container_render_pre;
    nd->data = pd;
+
+   return obj;
 }
 
 static void
diff --git a/src/lib/evas/canvas/evas_vg_gradient_linear.c b/src/lib/evas/canvas/evas_vg_gradient_linear.c
index 9f05fac4ad..9a54f7ac39 100644
--- a/src/lib/evas/canvas/evas_vg_gradient_linear.c
+++ b/src/lib/evas/canvas/evas_vg_gradient_linear.c
@@ -88,17 +88,19 @@ _efl_vg_gradient_linear_render_pre(Eo *obj,
          ector_renderer_prepare());
 }
 
-static void
+static Eo *
 _efl_vg_gradient_linear_eo_base_constructor(Eo *obj,
                                             Efl_VG_Gradient_Linear_Data *pd)
 {
    Efl_VG_Base_Data *nd;
 
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 
    nd = eo_data_scope_get(obj, EFL_VG_BASE_CLASS);
    nd->render_pre = _efl_vg_gradient_linear_render_pre;
    nd->data = pd;
+
+   return obj;
 }
 
 static void
diff --git a/src/lib/evas/canvas/evas_vg_gradient_radial.c b/src/lib/evas/canvas/evas_vg_gradient_radial.c
index e79f4fde2d..8af5e7d41c 100644
--- a/src/lib/evas/canvas/evas_vg_gradient_radial.c
+++ b/src/lib/evas/canvas/evas_vg_gradient_radial.c
@@ -105,16 +105,18 @@ _efl_vg_gradient_radial_render_pre(Eo *obj,
          ector_renderer_prepare());
 }
 
-static void
+static Eo *
 _efl_vg_gradient_radial_eo_base_constructor(Eo *obj, Efl_VG_Gradient_Radial_Data *pd)
 {
    Efl_VG_Base_Data *nd;
 
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 
    nd = eo_data_scope_get(obj, EFL_VG_BASE_CLASS);
    nd->render_pre = _efl_vg_gradient_radial_render_pre;
    nd->data = pd;
+
+   return obj;
 }
 
 static void
diff --git a/src/lib/evas/canvas/evas_vg_node.c b/src/lib/evas/canvas/evas_vg_node.c
index 2d84b86bfa..cfe5b40fae 100644
--- a/src/lib/evas/canvas/evas_vg_node.c
+++ b/src/lib/evas/canvas/evas_vg_node.c
@@ -238,20 +238,22 @@ _efl_vg_base_parent_checked_get(Eo *obj,
    return EINA_FALSE;
 }
 
-static void
+static Eo *
 _efl_vg_base_eo_base_constructor(Eo *obj,
                                  Efl_VG_Base_Data *pd)
 {
    Efl_VG_Container_Data *cd = NULL;
    Eo *parent;
 
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 
    if (!_efl_vg_base_parent_checked_get(obj, &parent, &cd))
      eo_error_set(obj);
 
    eo_do(obj, eo_event_callback_add(EFL_GFX_CHANGED, _efl_vg_base_property_changed, pd));
    pd->changed = EINA_TRUE;
+
+   return obj;
 }
 
 static void
diff --git a/src/lib/evas/canvas/evas_vg_root_node.c b/src/lib/evas/canvas/evas_vg_root_node.c
index 65dbb0220f..1d9b573405 100644
--- a/src/lib/evas/canvas/evas_vg_root_node.c
+++ b/src/lib/evas/canvas/evas_vg_root_node.c
@@ -65,7 +65,7 @@ _efl_vg_root_node_eo_base_parent_set(Eo *obj,
      }
 }
 
-static void
+static Eo *
 _efl_vg_root_node_eo_base_constructor(Eo *obj,
                                       Efl_VG_Root_Node_Data *pd)
 {
@@ -74,7 +74,7 @@ _efl_vg_root_node_eo_base_constructor(Eo *obj,
    Eo *parent;
 
    // Nice little hack, jump over parent constructor in Efl_VG_Root
-   eo_do_super(obj, EFL_VG_BASE_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, EFL_VG_BASE_CLASS, obj, eo_constructor());
    eo_do(obj, parent = eo_parent_get());
    if (!eo_isa(parent, EVAS_VG_CLASS))
      eo_error_set(obj);
@@ -87,6 +87,8 @@ _efl_vg_root_node_eo_base_constructor(Eo *obj,
    nd->data = cd;
 
    eo_do(obj, eo_event_callback_add(EFL_GFX_CHANGED, _evas_vg_root_node_changed, pd));
+
+   return obj;
 }
 
 #include "efl_vg_root_node.eo.c"
diff --git a/src/lib/evas/canvas/evas_vg_shape.c b/src/lib/evas/canvas/evas_vg_shape.c
index e67c3b5675..d736718a57 100644
--- a/src/lib/evas/canvas/evas_vg_shape.c
+++ b/src/lib/evas/canvas/evas_vg_shape.c
@@ -316,12 +316,12 @@ _efl_vg_shape_render_pre(Eo *obj EINA_UNUSED,
          ector_renderer_prepare());
 }
 
-static void
+static Eo *
 _efl_vg_shape_eo_base_constructor(Eo *obj, Efl_VG_Shape_Data *pd)
 {
    Efl_VG_Base_Data *nd;
 
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 
    pd->stroke.cap = EFL_GFX_CAP_BUTT;
    pd->stroke.join = EFL_GFX_JOIN_MITER;
@@ -331,6 +331,8 @@ _efl_vg_shape_eo_base_constructor(Eo *obj, Efl_VG_Shape_Data *pd)
    nd = eo_data_scope_get(obj, EFL_VG_BASE_CLASS);
    nd->render_pre = _efl_vg_shape_render_pre;
    nd->data = pd;
+
+   return obj;
 }
 
 static void
diff --git a/src/tests/eo/composite_objects/composite_objects_comp.c b/src/tests/eo/composite_objects/composite_objects_comp.c
index 21baed4f11..b933e19dd1 100644
--- a/src/tests/eo/composite_objects/composite_objects_comp.c
+++ b/src/tests/eo/composite_objects/composite_objects_comp.c
@@ -21,11 +21,11 @@ _a_get(Eo *obj, void *class_data EINA_UNUSED)
    return a;
 }
 
-static void
+static Eo *
 _constructor(Eo *obj, void *class_data EINA_UNUSED)
 {
    Eina_Bool tmp;
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 
    Eo *simple = eo_add(SIMPLE_CLASS, obj);
    eo_do(obj, eo_composite_attach(simple));
@@ -35,6 +35,8 @@ _constructor(Eo *obj, void *class_data EINA_UNUSED)
    fail_if(!eo_do_ret(simple, tmp, eo_composite_part_is()));
 
    eo_do(obj, eo_key_data_set("simple-obj", simple, NULL));
+
+   return obj;
 }
 
 static Eo_Op_Description op_descs[] = {
diff --git a/src/tests/eo/constructors/constructors_mixin.c b/src/tests/eo/constructors/constructors_mixin.c
index ca7343ffe0..3c21129487 100644
--- a/src/tests/eo/constructors/constructors_mixin.c
+++ b/src/tests/eo/constructors/constructors_mixin.c
@@ -18,12 +18,12 @@ _add_and_print_set(Eo *obj, void *class_data EINA_UNUSED, int x)
 
 extern int my_init_count;
 
-static void
+static Eo *
 _constructor(Eo *obj, void *class_data EINA_UNUSED)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
-
    my_init_count++;
+
+   return eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 }
 
 static void
diff --git a/src/tests/eo/constructors/constructors_simple.c b/src/tests/eo/constructors/constructors_simple.c
index 5e9b60f0d1..ed22905ade 100644
--- a/src/tests/eo/constructors/constructors_simple.c
+++ b/src/tests/eo/constructors/constructors_simple.c
@@ -39,12 +39,12 @@ _GET_SET_FUNC(b)
 
 extern int my_init_count;
 
-static void
+static Eo *
 _constructor(Eo *obj, void *class_data EINA_UNUSED)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
-
    my_init_count++;
+
+   return eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 }
 
 static Eo*
diff --git a/src/tests/eo/constructors/constructors_simple2.c b/src/tests/eo/constructors/constructors_simple2.c
index 0318a9ff09..b1b6bbe71f 100644
--- a/src/tests/eo/constructors/constructors_simple2.c
+++ b/src/tests/eo/constructors/constructors_simple2.c
@@ -8,12 +8,13 @@
 
 #define MY_CLASS SIMPLE2_CLASS
 
-static void
+static Eo *
 _constructor(Eo *obj, void *class_data EINA_UNUSED)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 
    eo_error_set(obj);
+   return obj;
 }
 
 static Eo_Op_Description op_descs[] = {
diff --git a/src/tests/eo/constructors/constructors_simple3.c b/src/tests/eo/constructors/constructors_simple3.c
index 9c720b51eb..16d3fc8063 100644
--- a/src/tests/eo/constructors/constructors_simple3.c
+++ b/src/tests/eo/constructors/constructors_simple3.c
@@ -8,10 +8,10 @@
 
 #define MY_CLASS SIMPLE3_CLASS
 
-static void
+static Eo *
 _constructor(Eo *obj, void *class_data EINA_UNUSED, va_list *list EINA_UNUSED)
 {
-   (void) obj;
+   return obj;
 }
 
 static Eo_Op_Description op_descs[] = {
diff --git a/src/tests/eo/constructors/constructors_simple7.c b/src/tests/eo/constructors/constructors_simple7.c
index cd0298948d..79dce35c06 100644
--- a/src/tests/eo/constructors/constructors_simple7.c
+++ b/src/tests/eo/constructors/constructors_simple7.c
@@ -11,11 +11,11 @@
 
 #define MY_CLASS SIMPLE7_CLASS
 
-static void
+static Eo *
 _constructor(Eo *obj, void *class_data EINA_UNUSED, va_list *list EINA_UNUSED)
 {
    /* FIXME: Actually test it. */
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   return eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 }
 
 static Eo_Op_Description op_descs [] = {
diff --git a/src/tests/eo/mixin/mixin_mixin.c b/src/tests/eo/mixin/mixin_mixin.c
index d91a04fe11..f5c23348d6 100644
--- a/src/tests/eo/mixin/mixin_mixin.c
+++ b/src/tests/eo/mixin/mixin_mixin.c
@@ -17,10 +17,10 @@ _ab_sum_get(Eo *obj, void *class_data EINA_UNUSED)
    return a + b;
 }
 
-static void
+static Eo *
 _constructor(Eo *obj, void *class_data EINA_UNUSED)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   return eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 }
 
 static void
diff --git a/src/tests/eo/mixin/mixin_mixin2.c b/src/tests/eo/mixin/mixin_mixin2.c
index 6df0a85fec..60f3d40080 100644
--- a/src/tests/eo/mixin/mixin_mixin2.c
+++ b/src/tests/eo/mixin/mixin_mixin2.c
@@ -32,10 +32,11 @@ _ab_sum_get(Eo *obj, void *class_data)
    return sum;
 }
 
-static void
+static Eo *
 _constructor(Eo *obj, void *class_data EINA_UNUSED, va_list *list EINA_UNUSED)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
+   return obj;
 }
 
 static void
diff --git a/src/tests/eo/mixin/mixin_mixin3.c b/src/tests/eo/mixin/mixin_mixin3.c
index 6d0d99d4f8..cd2d732898 100644
--- a/src/tests/eo/mixin/mixin_mixin3.c
+++ b/src/tests/eo/mixin/mixin_mixin3.c
@@ -32,10 +32,10 @@ _ab_sum_get(Eo *obj, void *class_data EINA_UNUSED)
    return sum;
 }
 
-static void
+static Eo *
 _constructor(Eo *obj, void *class_data EINA_UNUSED, va_list *list EINA_UNUSED)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   return eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 }
 
 static void
diff --git a/src/tests/eo/signals/signals_simple.c b/src/tests/eo/signals/signals_simple.c
index a928cec854..f113e511d9 100644
--- a/src/tests/eo/signals/signals_simple.c
+++ b/src/tests/eo/signals/signals_simple.c
@@ -60,15 +60,17 @@ _cb_deled(void *data, Eo *obj, const Eo_Event_Description *desc, void *event_inf
    return EO_CALLBACK_CONTINUE;
 }
 
-static void
+static Eo *
 _constructor(Eo *obj, void *class_data EINA_UNUSED)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 
    eo_do(obj, eo_event_callback_add(EO_EV_CALLBACK_ADD, _cb_added, NULL));
    eo_do(obj, eo_event_callback_add(EO_EV_CALLBACK_DEL, _cb_deled, NULL));
 
    eo_do(obj, eo_key_data_set("cb_count", (intptr_t) 0, NULL));
+
+   return obj;
 }
 
 EAPI EO_VOID_FUNC_BODYV(simple_a_set, EO_FUNC_CALL(a), int a);
diff --git a/src/tests/eo/suite/eo_test_general.c b/src/tests/eo/suite/eo_test_general.c
index 037567d6da..bb4f4ed291 100644
--- a/src/tests/eo/suite/eo_test_general.c
+++ b/src/tests/eo/suite/eo_test_general.c
@@ -296,12 +296,12 @@ static Eina_Bool _man_should_con = EINA_TRUE;
 static Eina_Bool _man_should_des = EINA_TRUE;
 static const Eo_Class *cur_klass = NULL;
 
-static void
+static Eo *
 _man_con(Eo *obj, void *data EINA_UNUSED, va_list *list EINA_UNUSED)
 {
    if (_man_should_con)
       eo_manual_free_set(obj, EINA_TRUE);
-   eo_do_super(obj, cur_klass, eo_constructor());
+   return eo_do_super_ret(obj, cur_klass, obj, eo_constructor());
 }
 
 static void
diff --git a/src/tests/eo/suite/eo_test_threaded_calls.c b/src/tests/eo/suite/eo_test_threaded_calls.c
index 33520f20c5..21b6015cd3 100644
--- a/src/tests/eo/suite/eo_test_threaded_calls.c
+++ b/src/tests/eo/suite/eo_test_threaded_calls.c
@@ -49,12 +49,14 @@ _try_swap_stack(Eo *obj EINA_UNUSED, void *class_data)
      }
 }
 
-static void
-_constructor(Eo *obj EINA_UNUSED, void *class_data EINA_UNUSED, int v)
+static Eo *
+_constructor(Eo *obj, void *class_data EINA_UNUSED, int v)
 {
    Thread_Test_Public_Data *pd = class_data;
 
    pd->v = v;
+
+   return obj;
 }
 
 static Eo_Op_Description op_descs[] = {
diff --git a/src/tests/eolian_cxx/a.c b/src/tests/eolian_cxx/a.c
index f8edfadeb6..885c9ea173 100644
--- a/src/tests/eolian_cxx/a.c
+++ b/src/tests/eolian_cxx/a.c
@@ -15,9 +15,9 @@ typedef struct _A_Data A_Data;
 
 #define MY_CLASS A_CLASS
 
-static void _a_eo_base_constructor(Eo *obj EINA_UNUSED, A_Data *pd EINA_UNUSED)
+static Eo *_a_eo_base_constructor(Eo *obj EINA_UNUSED, A_Data *pd EINA_UNUSED)
 {
-  eo_do_super(obj, MY_CLASS, eo_constructor());
+   return eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 }
 
 #include "a.eo.c"
diff --git a/src/tests/eolian_cxx/b.c b/src/tests/eolian_cxx/b.c
index 7b7ce50379..f32617b38d 100644
--- a/src/tests/eolian_cxx/b.c
+++ b/src/tests/eolian_cxx/b.c
@@ -16,9 +16,9 @@ typedef struct _B_Data B_Data;
 
 #define MY_CLASS B_CLASS
 
-static void _b_eo_base_constructor(Eo *obj EINA_UNUSED, B_Data *pd EINA_UNUSED)
+static Eo *_b_eo_base_constructor(Eo *obj EINA_UNUSED, B_Data *pd EINA_UNUSED)
 {
-  eo_do_super(obj, MY_CLASS, eo_constructor());
+   return eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 }
 
 #include "b.eo.c"
diff --git a/src/tests/eolian_cxx/c.c b/src/tests/eolian_cxx/c.c
index be8ad2cdc8..f113c8f813 100644
--- a/src/tests/eolian_cxx/c.c
+++ b/src/tests/eolian_cxx/c.c
@@ -16,9 +16,9 @@ typedef struct _C_Data C_Data;
 
 #define MY_CLASS C_CLASS
 
-static void _c_eo_base_constructor(Eo *obj EINA_UNUSED, C_Data *pd EINA_UNUSED)
+static Eo *_c_eo_base_constructor(Eo *obj EINA_UNUSED, C_Data *pd EINA_UNUSED)
 {
-  eo_do_super(obj, MY_CLASS, eo_constructor());
+   return eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 }
 
 #include "c.eo.c"
diff --git a/src/tests/eolian_cxx/callback.c b/src/tests/eolian_cxx/callback.c
index ef978fbcbe..62612546d7 100644
--- a/src/tests/eolian_cxx/callback.c
+++ b/src/tests/eolian_cxx/callback.c
@@ -28,13 +28,15 @@ static Eina_Bool _callback_callback_added(void* data EINA_UNUSED, Eo* obj EINA_U
   return EINA_TRUE;
 }
 
-static void _callback_eo_base_constructor(Eo *obj EINA_UNUSED, Callback_Data *pd EINA_UNUSED)
+static Eo *_callback_eo_base_constructor(Eo *obj, Callback_Data *pd EINA_UNUSED)
 {
   pd->callbacks = 0;
-  eo_do_super(obj, MY_CLASS, eo_constructor());
+  obj = eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 
   eo_event_callback_priority_add(EO_BASE_EVENT_CALLBACK_ADD, EO_CALLBACK_PRIORITY_DEFAULT
                                  , &_callback_callback_added, pd);
+
+  return obj;
 }
 
 static void _callback_onecallback(Eo *obj EINA_UNUSED, Callback_Data *pd EINA_UNUSED, Ecore_Cb cb, void *data)
diff --git a/src/tests/eolian_cxx/d.c b/src/tests/eolian_cxx/d.c
index ef08f81202..8ef24d6916 100644
--- a/src/tests/eolian_cxx/d.c
+++ b/src/tests/eolian_cxx/d.c
@@ -18,9 +18,9 @@ typedef struct _D_Data D_Data;
 
 #define MY_CLASS D_CLASS
 
-static void _d_eo_base_constructor(Eo *obj EINA_UNUSED, D_Data *pd EINA_UNUSED)
+static Eo *_d_eo_base_constructor(Eo *obj EINA_UNUSED, D_Data *pd EINA_UNUSED)
 {
-  eo_do_super(obj, MY_CLASS, eo_constructor());
+   return eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 }
 
 #include "d.eo.c"
diff --git a/src/tests/eolian_cxx/simple.c b/src/tests/eolian_cxx/simple.c
index c78073ce2d..1009b37831 100644
--- a/src/tests/eolian_cxx/simple.c
+++ b/src/tests/eolian_cxx/simple.c
@@ -12,9 +12,9 @@
 
 #define MY_CLASS SIMPLE_CLASS
 
-static void _simple_eo_base_constructor(Eo *obj, void *pd EINA_UNUSED)
+static Eo *_simple_eo_base_constructor(Eo *obj, void *pd EINA_UNUSED)
 {
-   eo_do_super(obj, MY_CLASS, eo_constructor());
+   return eo_do_super_ret(obj, MY_CLASS, obj, eo_constructor());
 }
 
 static Eina_Bool _simple_simple_get(Eo *obj EINA_UNUSED, void *pd EINA_UNUSED)