diff a/src/hotspot/cpu/s390/frame_s390.cpp b/src/hotspot/cpu/s390/frame_s390.cpp
--- a/src/hotspot/cpu/s390/frame_s390.cpp
+++ b/src/hotspot/cpu/s390/frame_s390.cpp
@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2016, 2025, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2016, 2026, Oracle and/or its affiliates. All rights reserved.
  * Copyright (c) 2016, 2023 SAP SE. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
@@ -683,5 +683,19 @@
 
 intptr_t* frame::interpreter_frame_tos_at(jint offset) const {
   return &interpreter_frame_tos_address()[offset];
 }
 
+intptr_t* frame::repair_sender_sp(intptr_t* sender_sp, intptr_t** saved_fp_addr) const {
+  Unimplemented();
+  return nullptr;
+}
+
+intptr_t* frame::repair_sender_sp(nmethod* nm, intptr_t* sp, intptr_t** saved_fp_addr) {
+  Unimplemented();
+  return nullptr;
+}
+
+bool frame::was_augmented_on_entry(int& real_size) const {
+  Unimplemented();
+  return false;
+}