blob: 5868656c4e02bab4d7166bd9264578188dfa7fd4 (
plain)
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
|
/* Support for dynamic linking code in static libc.
Copyright (C) 1996, 1997, 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. */
/* This file defines some things that for the dynamic linker are defined in
rtld.c and dl-sysdep.c in ways appropriate to bootstrap dynamic linking. */
#include <link.h>
#include <stdlib.h>
#include <unistd.h>
#include <dl-machine.h>
extern char *__progname;
char **_dl_argv = &__progname; /* This is checked for some error messages. */
/* This defines the default search path for libraries.
For the dynamic linker it is set by -rpath when linking. */
const char *_dl_rpath = DEFAULT_RPATH;
/* Name of the architecture. */
const char *_dl_platform;
size_t _dl_platformlen;
/* If nonzero print warnings about problematic situations. */
int _dl_verbose;
/* Structure to store information about search paths. */
struct r_search_path *_dl_search_paths;
/* We never do profiling. */
const char *_dl_profile;
struct link_map *_dl_profile_map;
static void non_dynamic_init (void) __attribute__ ((unused));
static void
non_dynamic_init (void)
{
_dl_verbose = *(getenv ("LD_WARN") ?: "") == '\0' ? 0 : 1;
_dl_pagesize = __getpagesize ();
/* Initialize the data structures for the search paths for shared
objects. */
_dl_init_paths (NULL);
#ifdef DL_PLATFORM_INIT
DL_PLATFORM_INIT;
#endif
/* Now determine the length of the platform string. */
if (_dl_platform != NULL)
_dl_platformlen = strlen (_dl_platform);
}
text_set_element (__libc_subinit, non_dynamic_init);
|
