diff options
Diffstat (limited to 'elf')
| -rw-r--r-- | elf/dl-open.c | 41 |
1 files changed, 22 insertions, 19 deletions
diff --git a/elf/dl-open.c b/elf/dl-open.c index 259372178b..0df62ff51e 100644 --- a/elf/dl-open.c +++ b/elf/dl-open.c @@ -1,5 +1,5 @@ /* Load a shared object at runtime, relocate it, and run its initializer. - Copyright (C) 1996-2004, 2005, 2006 Free Software Foundation, Inc. + Copyright (C) 1996-2004, 2005, 2006, 2007 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 @@ -97,17 +97,17 @@ add_to_global (struct link_map *new) in an realloc() call. Therefore we allocate a completely new array the first time we have to add something to the locale scope. */ - if (GL(dl_ns)[new->l_ns]._ns_global_scope_alloc == 0) + struct link_namespaces *ns = &GL(dl_ns)[new->l_ns]; + if (ns->_ns_global_scope_alloc == 0) { /* This is the first dynamic object given global scope. */ - GL(dl_ns)[new->l_ns]._ns_global_scope_alloc - = GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_nlist + to_add + 8; + ns->_ns_global_scope_alloc + = ns->_ns_main_searchlist->r_nlist + to_add + 8; new_global = (struct link_map **) - malloc (GL(dl_ns)[new->l_ns]._ns_global_scope_alloc - * sizeof (struct link_map *)); + malloc (ns->_ns_global_scope_alloc * sizeof (struct link_map *)); if (new_global == NULL) { - GL(dl_ns)[new->l_ns]._ns_global_scope_alloc = 0; + ns->_ns_global_scope_alloc = 0; nomem: _dl_signal_error (ENOMEM, new->l_libname->name, NULL, N_("cannot extend global scope")); @@ -115,29 +115,29 @@ add_to_global (struct link_map *new) } /* Copy over the old entries. */ - GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_list - = memcpy (new_global, - GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_list, - (GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_nlist + ns->_ns_main_searchlist->r_list + = memcpy (new_global, ns->_ns_main_searchlist->r_list, + (ns->_ns_main_searchlist->r_nlist * sizeof (struct link_map *))); } - else if (GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_nlist + to_add - > GL(dl_ns)[new->l_ns]._ns_global_scope_alloc) + else if (ns->_ns_main_searchlist->r_nlist + to_add + > ns->_ns_global_scope_alloc) { /* We have to extend the existing array of link maps in the main map. */ new_global = (struct link_map **) - realloc (GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_list, - ((GL(dl_ns)[new->l_ns]._ns_global_scope_alloc + to_add + 8) + realloc (ns->_ns_main_searchlist->r_list, + ((ns->_ns_global_scope_alloc + to_add + 8) * sizeof (struct link_map *))); if (new_global == NULL) goto nomem; - GL(dl_ns)[new->l_ns]._ns_global_scope_alloc += to_add + 8; - GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_list = new_global; + ns->_ns_global_scope_alloc += to_add + 8; + ns->_ns_main_searchlist->r_list = new_global; } /* Now add the new entries. */ + unsigned int added = 0; for (cnt = 0; cnt < new->l_searchlist.r_nlist; ++cnt) { struct link_map *map = new->l_searchlist.r_list[cnt]; @@ -145,11 +145,14 @@ add_to_global (struct link_map *new) if (map->l_global == 0) { map->l_global = 1; - GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_list[GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_nlist] + ns->_ns_main_searchlist->r_list[ns->_ns_main_searchlist->r_nlist + + added] = map; - ++GL(dl_ns)[new->l_ns]._ns_main_searchlist->r_nlist; + ++added; } } + atomic_write_barrier (); + ns->_ns_main_searchlist->r_nlist += added; return 0; } |