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2001-01-10 H.J. Lu <hjl@gnu.org> * elf/dl-libc.c (do_dlopen): Call DL_STATIC_INIT for static binaries. * sysdeps/unix/sysv/linux/ia64/Makefile (sysdep-dl-routines): Add dl-static. * sysdeps/unix/sysv/linux/ia64/Versions (ld): Add _dl_var_init. * sysdeps/generic/ldsodefs.h (DL_STATIC_INIT): Defined if not defined. * sysdeps/unix/sysv/linux/ia64/ldsodefs.h: New file. * sysdeps/unix/sysv/linux/ia64/dl-static.c: New file. * sysdeps/unix/sysv/linux/ia64/Dist: Add dl-static.c.
78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
/* Variable initialization. IA-64 version.
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Copyright (C) 2001 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <ldsodefs.h>
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extern int _dl_clktck;
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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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_dl_pagesize = *((size_t *) array[DL_PAGESIZE]);
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_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 (, _dl_static_lock)
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static void *variables[] =
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{
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&_dl_pagesize,
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&_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;
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lookup_t loadbase;
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void (*f) (void *[]);
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static int done = 0;
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__libc_lock_lock (_dl_static_lock);
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if (done)
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{
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__libc_lock_unlock (_dl_static_lock);
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return;
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}
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done = 1;
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loadbase = _dl_lookup_symbol ("_dl_var_init", map, &ref,
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map->l_local_scope, 0, 1);
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f = (void (*) (void *[])) DL_SYMBOL_ADDRESS (loadbase, ref);
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f (variables);
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__libc_lock_unlock (_dl_static_lock);
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}
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#endif
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