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
70
71
72
73
74
75
|
/* Call the termination functions of loaded shared objects.
Copyright (C) 1995,96,98,99,2000 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>
void
internal_function
_dl_fini (void)
{
struct link_map *l;
for (l = _dl_loaded; l; l = l->l_next)
if (l->l_init_called)
{
int first = 1;
/* Make sure nothing happens if we are called twice. */
l->l_init_called = 0;
/* Don't call the destructors for objects we are not supposed to. */
if (l->l_name[0] == '\0' && l->l_type == lt_executable)
continue;
/* First see whether an array is given. */
if (l->l_info[DT_FINI_ARRAY] != NULL)
{
ElfW(Addr) *array =
(ElfW(Addr) *) (l->l_addr
+ l->l_info[DT_FINI_ARRAY]->d_un.d_ptr);
unsigned int sz = (l->l_info[DT_FINI_ARRAYSZ]->d_un.d_val
/ sizeof (ElfW(Addr)));
unsigned int cnt;
for (cnt = 0; cnt < sz; ++cnt)
{
/* When debugging print a message first. */
if (_dl_debug_impcalls && first)
_dl_debug_message (1, "\ncalling fini: ",
l->l_name[0] ? l->l_name : _dl_argv[0],
"\n\n", NULL);
first = 0;
(*(void (*) (void)) (l->l_addr + array[cnt])) ();
}
}
/* Next try the old-style destructor. */
if (l->l_info[DT_FINI])
{
/* When debugging print a message first. */
if (_dl_debug_impcalls && first)
_dl_debug_message (1, "\ncalling fini: ",
l->l_name[0] ? l->l_name : _dl_argv[0],
"\n\n", NULL);
(*(void (*) (void)) (l->l_addr + l->l_info[DT_FINI]->d_un.d_ptr)) ();
}
}
}
|
