void gdb_bfd_unref (struct bfd *abfd);
+/* Mark the CHILD BFD as being a member of PARENT. Also, increment
+ the reference count of CHILD. Calling this function ensures that
+ as along as CHILD remains alive, PARENT will as well. Both CHILD
+ and PARENT must be non-NULL. This can be called more than once
+ with the same arguments; but it is not allowed to call it for a
+ single CHILD with different values for PARENT. */
+
+void gdb_bfd_mark_parent (bfd *child, bfd *parent);
+
/* Try to read or map the contents of the section SECT. If
successful, the section data is returned and *SIZE is set to the
size of the section data; this may not be the same as the size