diff --git a/vm_eval.c b/vm_eval.c
index 22b3e1e..3bd2b35 100644
--- a/vm_eval.c
+++ b/vm_eval.c
@@ -180,11 +180,15 @@ vm_call0_body(rb_thread_t* th, rb_call_info_t *ci, const VALUE *argv)
 	goto success;
       case VM_METHOD_TYPE_ATTRSET:
 	rb_check_arity(ci->argc, 1, 1);
+	EXEC_EVENT_HOOK(th, RUBY_EVENT_C_CALL, ci->recv, ci->mid, ci->defined_class, Qnil);
 	ret = rb_ivar_set(ci->recv, ci->me->def->body.attr.id, argv[0]);
+	EXEC_EVENT_HOOK(th, RUBY_EVENT_C_RETURN, ci->recv, ci->mid, ci->defined_class, ret);
 	goto success;
       case VM_METHOD_TYPE_IVAR:
 	rb_check_arity(ci->argc, 0, 0);
+	EXEC_EVENT_HOOK(th, RUBY_EVENT_C_CALL, ci->recv, ci->mid, ci->defined_class, Qnil);
 	ret = rb_attr_get(ci->recv, ci->me->def->body.attr.id);
+	EXEC_EVENT_HOOK(th, RUBY_EVENT_C_RETURN, ci->recv, ci->mid, ci->defined_class, ret);
 	goto success;
       case VM_METHOD_TYPE_BMETHOD:
 	ret = vm_call_bmethod_body(th, ci, argv);
diff --git a/vm_insnhelper.c b/vm_insnhelper.c
index e3e9172..7d06717 100644
--- a/vm_insnhelper.c
+++ b/vm_insnhelper.c
@@ -1615,16 +1615,22 @@ vm_call_cfunc(rb_thread_t *th, rb_control_frame_t *reg_cfp, rb_call_info_t *ci)
 static VALUE
 vm_call_ivar(rb_thread_t *th, rb_control_frame_t *cfp, rb_call_info_t *ci)
 {
+    const rb_method_entry_t *me = ci->me;
+    EXEC_EVENT_HOOK(th, RUBY_EVENT_C_CALL, ci->recv, me->called_id, me->klass, Qnil);
     VALUE val = vm_getivar(ci->recv, ci->me->def->body.attr.id, 0, ci, 1);
     cfp->sp -= 1;
+    EXEC_EVENT_HOOK(th, RUBY_EVENT_C_RETURN, ci->recv, me->called_id, me->klass, val);
     return val;
 }
 
 static VALUE
 vm_call_attrset(rb_thread_t *th, rb_control_frame_t *cfp, rb_call_info_t *ci)
 {
+    const rb_method_entry_t *me = ci->me;
+    EXEC_EVENT_HOOK(th, RUBY_EVENT_C_CALL, ci->recv, me->called_id, me->klass, Qnil);
     VALUE val = vm_setivar(ci->recv, ci->me->def->body.attr.id, *(cfp->sp - 1), 0, ci, 1);
     cfp->sp -= 2;
+    EXEC_EVENT_HOOK(th, RUBY_EVENT_C_RETURN, ci->recv, me->called_id, me->klass, val);
     return val;
 }