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-rw-r--r--elf/dl-libc.c109
1 files changed, 1 insertions, 108 deletions
diff --git a/elf/dl-libc.c b/elf/dl-libc.c
index 3c048cc..760cb95 100644
--- a/elf/dl-libc.c
+++ b/elf/dl-libc.c
@@ -1,5 +1,5 @@
/* Handle loading and unloading shared objects for internal libc purposes.
- Copyright (C) 1999-2024 Free Software Foundation, Inc.
+ Copyright (C) 1999-2025 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -226,110 +226,3 @@ __libc_dlclose (void *map)
#endif
return dlerror_run (do_dlclose, map);
}
-
-
-static bool
-free_slotinfo (struct dtv_slotinfo_list **elemp)
-{
- size_t cnt;
-
- if (*elemp == NULL)
- /* Nothing here, all is removed (or there never was anything). */
- return true;
-
- if (!free_slotinfo (&(*elemp)->next))
- /* We cannot free the entry. */
- return false;
-
- /* That cleared our next pointer for us. */
-
- for (cnt = 0; cnt < (*elemp)->len; ++cnt)
- if ((*elemp)->slotinfo[cnt].map != NULL)
- /* Still used. */
- return false;
-
- /* We can remove the list element. */
- free (*elemp);
- *elemp = NULL;
-
- return true;
-}
-
-
-void
-__dl_libc_freemem (void)
-{
- struct link_map *l;
- struct r_search_path_elem *d;
-
- /* Remove all search directories. */
- d = GL(dl_all_dirs);
- while (d != GLRO(dl_init_all_dirs))
- {
- struct r_search_path_elem *old = d;
- d = d->next;
- free (old);
- }
-
- for (Lmid_t ns = 0; ns < GL(dl_nns); ++ns)
- {
- for (l = GL(dl_ns)[ns]._ns_loaded; l != NULL; l = l->l_next)
- {
- struct libname_list *lnp = l->l_libname->next;
-
- l->l_libname->next = NULL;
-
- /* Remove all additional names added to the objects. */
- while (lnp != NULL)
- {
- struct libname_list *old = lnp;
- lnp = lnp->next;
- if (! old->dont_free)
- free (old);
- }
-
- /* Free the initfini dependency list. */
- if (l->l_free_initfini)
- free (l->l_initfini);
- l->l_initfini = NULL;
- }
-
- if (__builtin_expect (GL(dl_ns)[ns]._ns_global_scope_alloc, 0) != 0
- && (GL(dl_ns)[ns]._ns_main_searchlist->r_nlist
- // XXX Check whether we need NS-specific initial_searchlist
- == GLRO(dl_initial_searchlist).r_nlist))
- {
- /* All object dynamically loaded by the program are unloaded. Free
- the memory allocated for the global scope variable. */
- struct link_map **old = GL(dl_ns)[ns]._ns_main_searchlist->r_list;
-
- /* Put the old map in. */
- GL(dl_ns)[ns]._ns_main_searchlist->r_list
- // XXX Check whether we need NS-specific initial_searchlist
- = GLRO(dl_initial_searchlist).r_list;
- /* Signal that the original map is used. */
- GL(dl_ns)[ns]._ns_global_scope_alloc = 0;
-
- /* Now free the old map. */
- free (old);
- }
- }
-
- /* Free the memory allocated for the dtv slotinfo array. We can do
- this only if all modules which used this memory are unloaded. */
-#ifdef SHARED
- if (GL(dl_initial_dtv) == NULL)
- /* There was no initial TLS setup, it was set up later when
- it used the normal malloc. */
- free_slotinfo (&GL(dl_tls_dtv_slotinfo_list));
- else
-#endif
- /* The first element of the list does not have to be deallocated.
- It was allocated in the dynamic linker (i.e., with a different
- malloc), and in the static library it's in .bss space. */
- free_slotinfo (&GL(dl_tls_dtv_slotinfo_list)->next);
-
- void *scope_free_list = GL(dl_scope_free_list);
- GL(dl_scope_free_list) = NULL;
- free (scope_free_list);
-}