diff options
Diffstat (limited to 'elf/dl-iteratephdr.c')
-rw-r--r-- | elf/dl-iteratephdr.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/elf/dl-iteratephdr.c b/elf/dl-iteratephdr.c deleted file mode 100644 index ddd5bde831..0000000000 --- a/elf/dl-iteratephdr.c +++ /dev/null @@ -1,89 +0,0 @@ -/* Get loaded objects program headers. - Copyright (C) 2001-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Jakub Jelinek <jakub@redhat.com>, 2001. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public License as - published by the Free Software Foundation; either version 2.1 of the - License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; see the file COPYING.LIB. If - not, see <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <ldsodefs.h> -#include <stddef.h> -#include <libc-lock.h> - -static void -cancel_handler (void *arg __attribute__((unused))) -{ - __rtld_lock_unlock_recursive (GL(dl_load_write_lock)); -} - -hidden_proto (__dl_iterate_phdr) -int -__dl_iterate_phdr (int (*callback) (struct dl_phdr_info *info, - size_t size, void *data), void *data) -{ - struct link_map *l; - struct dl_phdr_info info; - int ret = 0; - - /* Make sure nobody modifies the list of loaded objects. */ - __rtld_lock_lock_recursive (GL(dl_load_write_lock)); - __libc_cleanup_push (cancel_handler, NULL); - - /* We have to determine the namespace of the caller since this determines - which namespace is reported. */ - size_t nloaded = GL(dl_ns)[0]._ns_nloaded; - Lmid_t ns = 0; -#ifdef SHARED - const void *caller = RETURN_ADDRESS (0); - for (Lmid_t cnt = GL(dl_nns) - 1; cnt > 0; --cnt) - for (struct link_map *l = GL(dl_ns)[cnt]._ns_loaded; l; l = l->l_next) - { - /* We have to count the total number of loaded objects. */ - nloaded += GL(dl_ns)[cnt]._ns_nloaded; - - if (caller >= (const void *) l->l_map_start - && caller < (const void *) l->l_map_end - && (l->l_contiguous - || _dl_addr_inside_object (l, (ElfW(Addr)) caller))) - ns = cnt; - } -#endif - - for (l = GL(dl_ns)[ns]._ns_loaded; l != NULL; l = l->l_next) - { - info.dlpi_addr = l->l_real->l_addr; - info.dlpi_name = l->l_real->l_name; - info.dlpi_phdr = l->l_real->l_phdr; - info.dlpi_phnum = l->l_real->l_phnum; - info.dlpi_adds = GL(dl_load_adds); - info.dlpi_subs = GL(dl_load_adds) - nloaded; - info.dlpi_tls_data = NULL; - info.dlpi_tls_modid = l->l_real->l_tls_modid; - if (info.dlpi_tls_modid != 0) - info.dlpi_tls_data = GLRO(dl_tls_get_addr_soft) (l->l_real); - ret = callback (&info, sizeof (struct dl_phdr_info), data); - if (ret) - break; - } - - /* Release the lock. */ - __libc_cleanup_pop (0); - __rtld_lock_unlock_recursive (GL(dl_load_write_lock)); - - return ret; -} -hidden_def (__dl_iterate_phdr) - -weak_alias (__dl_iterate_phdr, dl_iterate_phdr); |