diff options
Diffstat (limited to 'elf/dl-open.c')
| -rw-r--r-- | elf/dl-open.c | 41 |
1 files changed, 14 insertions, 27 deletions
diff --git a/elf/dl-open.c b/elf/dl-open.c index df9f29a5e5..56f213323c 100644 --- a/elf/dl-open.c +++ b/elf/dl-open.c @@ -433,34 +433,21 @@ TLS generation counter wrapped! Please report this.")); after dlopen failure is not possible, so that _dl_close can clean up objects if necessary. */ static void -activate_nodelete (struct link_map *new, int mode) +activate_nodelete (struct link_map *new) { - if (mode & RTLD_NODELETE || new->l_nodelete == link_map_nodelete_pending) - { - if (__glibc_unlikely (GLRO (dl_debug_mask) & DL_DEBUG_FILES)) - _dl_debug_printf ("activating NODELETE for %s [%lu]\n", - new->l_name, new->l_ns); - new->l_nodelete = link_map_nodelete_active; - } - - for (unsigned int i = 0; i < new->l_searchlist.r_nlist; ++i) - { - struct link_map *imap = new->l_searchlist.r_list[i]; - if (imap->l_nodelete == link_map_nodelete_pending) - { - if (__glibc_unlikely (GLRO (dl_debug_mask) & DL_DEBUG_FILES)) - _dl_debug_printf ("activating NODELETE for %s [%lu]\n", - imap->l_name, imap->l_ns); - - /* Only new objects should have set - link_map_nodelete_pending. Existing objects should not - have gained any new dependencies and therefore cannot - reach NODELETE status. */ - assert (!imap->l_init_called || imap->l_type != lt_loaded); + /* It is necessary to traverse the entire namespace. References to + objects in the global scope and unique symbol bindings can force + NODELETE status for objects outside the local scope. */ + for (struct link_map *l = GL (dl_ns)[new->l_ns]._ns_loaded; l != NULL; + l = l->l_next) + if (l->l_nodelete == link_map_nodelete_pending) + { + if (__glibc_unlikely (GLRO (dl_debug_mask) & DL_DEBUG_FILES)) + _dl_debug_printf ("activating NODELETE for %s [%lu]\n", + l->l_name, l->l_ns); - imap->l_nodelete = link_map_nodelete_active; - } - } + l->l_nodelete = link_map_nodelete_active; + } } /* struct dl_init_args and call_dl_init are used to call _dl_init with @@ -721,7 +708,7 @@ dl_open_worker (void *a) All memory allocations for new objects must have happened before. */ - activate_nodelete (new, mode); + activate_nodelete (new); /* Second stage after resize_scopes: Actually perform the scope update. After this, dlsym and lazy binding can bind to new |