diff --git a/tools/utilities/debug_map_diff.py b/tools/utilities/debug_map_diff.py
index 5690346c6..678e0ab85 100755
--- a/tools/utilities/debug_map_diff.py
+++ b/tools/utilities/debug_map_diff.py
@@ -83,15 +83,22 @@ def get_rel_symbols(rel_map_data: str):
       current_section_name = section_header_match.group(1)
     if current_section_name != "text":
         continue
-    symbol_entry_match = re.search(r"^  [0-9a-f]{8} ([0-9a-f]{6}) ([0-9a-f]{8})(?: +\d+)? (.+?)(?: \(entry of [^)]+\))? \t(\S+)", line, re.IGNORECASE)
+    symbol_entry_match = re.search(r"^  ([0-9a-f]{8}|UNUSED  ) ([0-9a-f]{6}) ([0-9a-f]{8}|\.{8})(?: +\d+)? (.+?)(?: \(entry of [^)]+\))? \t?(\S+)", line, re.IGNORECASE)
     if symbol_entry_match:
-      symbol_size = symbol_entry_match.group(1)
+      symbol_address = symbol_entry_match.group(1)
+      symbol_size = symbol_entry_match.group(2)
       symbol_size = int(symbol_size, 16)
-      symbol_offset = symbol_entry_match.group(2)
-      symbol_offset = int(symbol_offset, 16)
-      symbol_name = symbol_entry_match.group(3)
-      object_name = symbol_entry_match.group(4)
-      if object_name in ["global_destructor_chain.o"]:
+      symbol_offset = symbol_entry_match.group(3)
+      if symbol_address == "UNUSED  ":
+        assert symbol_offset == "........"
+      if symbol_offset == "........":
+        assert symbol_address == "UNUSED  "
+        symbol_offset = None
+      else:
+        symbol_offset = int(symbol_offset, 16)
+      symbol_name = symbol_entry_match.group(4)
+      object_name = symbol_entry_match.group(5)
+      if object_name in ["executor.o", "global_destructor_chain.o"]:
         continue
       symbols[symbol_name] = symbol_size
       #print("%08X  %s" % (symbol_offset, symbol_name))
@@ -100,6 +107,11 @@ def get_rel_symbols(rel_map_data: str):
   
   return symbols
 
+def is_debug_only_symbol(symbol_name: str):
+  if "__11JORMContextF" in symbol_name:
+    return True
+  return False
+
 if is_rel:
   target_symbols = get_rel_symbols(target_map_path.read_text())
   base_symbols = get_rel_symbols(base_map_path.read_text())
@@ -154,6 +166,8 @@ for symbol_name, base_size in base_symbols.items():
 for symbol_name, target_size, base_size, ratio in symbol_size_diffs:
   prefix = ""
   if base_size == 0:
+    if is_debug_only_symbol(symbol_name):
+      continue
     prefix = "MISSING: "
     total_missing += 1
     print(prefix + symbol_name, "0x%X" % target_size)