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51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
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/* Invoke DT_FINI and DT_FINI_ARRAY callbacks.
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Copyright (C) 1996-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <ldsodefs.h>
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#include <sysdep.h>
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void
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_dl_call_fini (void *closure_map)
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{
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struct link_map *map = closure_map;
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/* When debugging print a message first. */
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if (__glibc_unlikely (GLRO(dl_debug_mask) & DL_DEBUG_IMPCALLS))
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_dl_debug_printf ("\ncalling fini: %s [%lu]\n\n", map->l_name, map->l_ns);
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/* Make sure nothing happens if we are called twice. */
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map->l_init_called = 0;
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ElfW(Dyn) *fini_array = map->l_info[DT_FINI_ARRAY];
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if (fini_array != NULL)
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{
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ElfW(Addr) *array = (ElfW(Addr) *) (map->l_addr
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+ fini_array->d_un.d_ptr);
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size_t sz = (map->l_info[DT_FINI_ARRAYSZ]->d_un.d_val
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/ sizeof (ElfW(Addr)));
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while (sz-- > 0)
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((fini_t) array[sz]) ();
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}
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/* Next try the old-style destructor. */
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ElfW(Dyn) *fini = map->l_info[DT_FINI];
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if (fini != NULL)
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DL_CALL_DT_FINI (map, ((void *) map->l_addr + fini->d_un.d_ptr));
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}
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