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69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/* Variable initialization. IA-64 version.
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Copyright (C) 2001-2013 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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<http://www.gnu.org/licenses/>. */
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#include <ldsodefs.h>
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#ifdef SHARED
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void
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_dl_var_init (void *array[])
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{
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/* It has to match "variables" below. */
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enum
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{
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DL_PAGESIZE = 0,
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DL_CLKTCK
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};
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GLRO(dl_pagesize) = *((size_t *) array[DL_PAGESIZE]);
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GLRO(dl_clktck) = *((int *) array[DL_CLKTCK]);
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}
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#else
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#include <bits/libc-lock.h>
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__libc_lock_define_initialized_recursive (static, _dl_static_lock)
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static void *variables[] =
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{
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&GLRO(dl_pagesize),
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&GLRO(dl_clktck)
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};
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void
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_dl_static_init (struct link_map *map)
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{
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const ElfW(Sym) *ref = NULL;
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lookup_t loadbase;
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void (*f) (void *[]);
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__libc_lock_lock_recursive (_dl_static_lock);
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loadbase = _dl_lookup_symbol_x ("_dl_var_init", map, &ref,
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map->l_local_scope, NULL, 0, 1, NULL);
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if (ref != NULL)
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{
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f = (void (*) (void *[])) DL_SYMBOL_ADDRESS (loadbase, ref);
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f (variables);
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}
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__libc_lock_unlock_recursive (_dl_static_lock);
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}
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#endif
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