mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-22 21:10:07 +00:00
51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
/* Invoke DT_FINI and DT_FINI_ARRAY callbacks.
|
|
Copyright (C) 1996-2023 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
|
|
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; if not, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#include <ldsodefs.h>
|
|
#include <sysdep.h>
|
|
|
|
void
|
|
_dl_call_fini (void *closure_map)
|
|
{
|
|
struct link_map *map = closure_map;
|
|
|
|
/* When debugging print a message first. */
|
|
if (__glibc_unlikely (GLRO(dl_debug_mask) & DL_DEBUG_IMPCALLS))
|
|
_dl_debug_printf ("\ncalling fini: %s [%lu]\n\n", map->l_name, map->l_ns);
|
|
|
|
/* Make sure nothing happens if we are called twice. */
|
|
map->l_init_called = 0;
|
|
|
|
ElfW(Dyn) *fini_array = map->l_info[DT_FINI_ARRAY];
|
|
if (fini_array != NULL)
|
|
{
|
|
ElfW(Addr) *array = (ElfW(Addr) *) (map->l_addr
|
|
+ fini_array->d_un.d_ptr);
|
|
size_t sz = (map->l_info[DT_FINI_ARRAYSZ]->d_un.d_val
|
|
/ sizeof (ElfW(Addr)));
|
|
|
|
while (sz-- > 0)
|
|
((fini_t) array[sz]) ();
|
|
}
|
|
|
|
/* Next try the old-style destructor. */
|
|
ElfW(Dyn) *fini = map->l_info[DT_FINI];
|
|
if (fini != NULL)
|
|
DL_CALL_DT_FINI (map, ((void *) map->l_addr + fini->d_un.d_ptr));
|
|
}
|