diff --git a/gdb/dwarf2/cooked-index.h b/gdb/dwarf2/cooked-index.h
index 5aacb321c91..a029fcf2cc9 100644
--- a/gdb/dwarf2/cooked-index.h
+++ b/gdb/dwarf2/cooked-index.h
@@ -239,6 +239,28 @@ struct cooked_index_entry : public allocate_on_obstack
 		    bool for_name) const;
 };
 
+class parent_map
+{
+public:
+  /* Find the parent of DIE LOOKUP.  */
+  const cooked_index_entry *find_parent (CORE_ADDR lookup) const
+  {
+    const void *obj = m_parent_map.find (lookup);
+    return static_cast<const cooked_index_entry *> (obj);
+  }
+
+  /* Set the parent of DIES in range [START, END] to PARENT_ENTRY.  */
+  void set_parent (CORE_ADDR start, CORE_ADDR end,
+		   const cooked_index_entry *parent_entry)
+  {
+    m_parent_map.set_empty (start, end, (void *)parent_entry);
+  }
+
+private:
+  /* An addrmap that maps from section offsets to cooked_index_entry *.  */
+  addrmap_mutable m_parent_map;
+};
+
 class cooked_index;
 
 /* An index of interesting DIEs.  This is "cooked", in contrast to a
diff --git a/gdb/dwarf2/read.c b/gdb/dwarf2/read.c
index 5bbc8e24cf9..17bc650a055 100644
--- a/gdb/dwarf2/read.c
+++ b/gdb/dwarf2/read.c
@@ -4797,7 +4797,20 @@ class cooked_indexer
   /* An addrmap that maps from section offsets (see the form_addr
      method) to newly-created entries.  See m_deferred_entries to
      understand this.  */
-  addrmap_mutable m_die_range_map;
+  parent_map m_die_range_map;
+
+  /* Find the parent of DIE LOOKUP.  */
+  const cooked_index_entry *find_parent (CORE_ADDR lookup) const
+  {
+    return m_die_range_map.find_parent (lookup);
+  }
+
+  /* Set the parent of DIES in range [START, END] to PARENT_ENTRY.  */
+  void set_parent (CORE_ADDR start, CORE_ADDR end,
+		   const cooked_index_entry *parent_entry)
+  {
+    m_die_range_map.set_parent (start, end, parent_entry);
+  }
 
   /* A single deferred entry.  */
   struct deferred_entry
@@ -16356,8 +16369,7 @@ cooked_indexer::scan_attributes (dwarf2_per_cu_data *scanning_per_cu,
 	  else if (*parent_entry == nullptr)
 	    {
 	      CORE_ADDR lookup = form_addr (origin_offset, origin_is_dwz);
-	      void *obj = m_die_range_map.find (lookup);
-	      *parent_entry = static_cast <cooked_index_entry *> (obj);
+	      *parent_entry = find_parent (lookup);
 	    }
 
 	  unsigned int bytes_read;
@@ -16479,7 +16491,7 @@ cooked_indexer::recurse (cutu_reader *reader,
 				   reader->cu->per_cu->is_dwz);
       CORE_ADDR end = form_addr (sect_offset (info_ptr - 1 - reader->buffer),
 				 reader->cu->per_cu->is_dwz);
-      m_die_range_map.set_empty (start, end, (void *) parent_entry);
+      set_parent (start, end, parent_entry);
     }
 
   return info_ptr;
@@ -16652,8 +16664,7 @@ cooked_indexer::make_index (cutu_reader *reader)
 
   for (const auto &entry : m_deferred_entries)
     {
-      void *obj = m_die_range_map.find (entry.spec_offset);
-      cooked_index_entry *parent = static_cast<cooked_index_entry *> (obj);
+      const cooked_index_entry *parent = find_parent (entry.spec_offset);
       m_index_storage->add (entry.die_offset, entry.tag, entry.flags,
 			    entry.name, parent, m_per_cu);
     }