1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
|
/* Variable initialization. IA-64 version.
Copyright (C) 2001, 2002, 2003, 2004 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <ldsodefs.h>
#ifdef SHARED
void
_dl_var_init (void *array[])
{
/* It has to match "variables" below. */
enum
{
DL_PAGESIZE = 0,
DL_CLKTCK
};
GLRO(dl_pagesize) = *((size_t *) array[DL_PAGESIZE]);
GLRO(dl_clktck) = *((int *) array[DL_CLKTCK]);
}
#else
#include <bits/libc-lock.h>
__libc_lock_define_initialized_recursive (static, _dl_static_lock)
static void *variables[] =
{
&GLRO(dl_pagesize),
&GLRO(dl_clktck)
};
void
_dl_static_init (struct link_map *map)
{
const ElfW(Sym) *ref = NULL;
lookup_t loadbase;
void (*f) (void *[]);
__libc_lock_lock_recursive (_dl_static_lock);
loadbase = _dl_lookup_symbol ("_dl_var_init", map, &ref,
map->l_local_scope, 0, 1);
if (ref != NULL)
{
f = (void (*) (void *[])) DL_SYMBOL_ADDRESS (loadbase, ref);
f (variables);
}
__libc_lock_unlock_recursive (_dl_static_lock);
}
#endif
|
