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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.
This commit is contained in:
Ulrich Drepper
2001-01-11 17:50:24 +00:00
parent c926001f2a
commit beb5387cf6
9 changed files with 143 additions and 3 deletions
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77
sysdeps/unix/sysv/linux/ia64/dl-static.c Normal file
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/* Variable initialization. IA-64 version.
Copyright (C) 2001 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <ldsodefs.h>
extern int _dl_clktck;
#ifdef SHARED
void
_dl_var_init (void *array[])
{
/* It has to match "variables" below. */
enum
{
DL_PAGESIZE = 0,
DL_CLKTCK
};
_dl_pagesize = *((size_t *) array[DL_PAGESIZE]);
_dl_clktck = *((int *) array[DL_CLKTCK]);
}
#else
#include <bits/libc-lock.h>
__libc_lock_define_initialized_recursive (, _dl_static_lock)
static void *variables[] =
{
&_dl_pagesize,
&_dl_clktck
};
void
_dl_static_init (struct link_map *map)
{
const ElfW(Sym) *ref;
lookup_t loadbase;
void (*f) (void *[]);
static int done = 0;
__libc_lock_lock (_dl_static_lock);
if (done)
{
__libc_lock_unlock (_dl_static_lock);
return;
}
done = 1;
loadbase = _dl_lookup_symbol ("_dl_var_init", map, &ref,
map->l_local_scope, 0, 1);
f = (void (*) (void *[])) DL_SYMBOL_ADDRESS (loadbase, ref);
f (variables);
__libc_lock_unlock (_dl_static_lock);
}
#endif