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
76
77
78
79
80
81
|
/* Return the next shared object initializer function not yet run.
Copyright (C) 1995, 1996, 1998 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 <stddef.h>
#include <link.h>
/* Run initializers for MAP and its dependencies, in inverse dependency
order (that is, leaf nodes first). */
ElfW(Addr)
_dl_init_next (struct link_map *map)
{
unsigned int i;
/* The search list for symbol lookup is a flat list in top-down
dependency order, so processing that list from back to front gets us
breadth-first leaf-to-root order. */
i = map->l_nsearchlist;
while (i-- > 0)
{
struct link_map *l = map->l_searchlist[i];
if (l->l_init_called)
/* This object is all done. */
continue;
if (l->l_init_running)
{
/* This object's initializer was just running.
Now mark it as having run, so this object
will be skipped in the future. */
l->l_init_running = 0;
l->l_init_called = 1;
continue;
}
if (l->l_info[DT_INIT] &&
!(l->l_name[0] == '\0' && l->l_type == lt_executable))
{
/* Run this object's initializer. */
l->l_init_running = 1;
/* Print a debug message if wanted. */
if (_dl_debug_impcalls)
_dl_debug_message (1, "\ncalling init: ",
l->l_name[0] ? l->l_name : _dl_argv[0],
"\n\n", NULL);
return l->l_addr + l->l_info[DT_INIT]->d_un.d_ptr;
}
/* No initializer for this object.
Mark it so we will skip it in the future. */
l->l_init_called = 1;
}
/* Notify the debugger all new objects are now ready to go. */
_r_debug.r_state = RT_CONSISTENT;
_dl_debug_state ();
return 0;
}
|
