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
|
/* Resolve conflicts against already prelinked libraries.
Copyright (C) 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2001.
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 <errno.h>
#include <libintl.h>
#include <stdlib.h>
#include <unistd.h>
#include <ldsodefs.h>
#include <sys/mman.h>
#include <sys/param.h>
#include <sys/types.h>
#include "dynamic-link.h"
extern unsigned long int _dl_num_cache_relocations; /* in dl-lookup.c */
void
_dl_resolve_conflicts (struct link_map *l, ElfW(Rela) *conflict,
ElfW(Rela) *conflictend)
{
if (__builtin_expect (_dl_debug_mask & DL_DEBUG_RELOC, 0))
_dl_printf ("\nconflict processing: %s\n",
l->l_name[0] ? l->l_name : _dl_argv[0]);
{
/* Do the conflict relocation of the object and library GOT and other
data. */
/* This macro is used as a callback from the ELF_DYNAMIC_RELOCATE code. */
#define RESOLVE_MAP(ref, version, flags) (*ref = NULL, 0)
#define RESOLVE(ref, version, flags) (*ref = NULL, 0)
#define RESOLVE_CONFLICT_FIND_MAP(map, r_offset) \
do \
{ \
while ((resolve_conflict_map->l_map_end \
< (ElfW(Addr))(r_offset)) \
|| (resolve_conflict_map->l_map_start \
> (ElfW(Addr))(r_offset))) \
resolve_conflict_map \
= resolve_conflict_map->l_next; \
(map) = resolve_conflict_map; \
} while (0)
struct link_map *resolve_conflict_map __attribute__ ((__unused__))
= _dl_loaded;
#include "dynamic-link.h"
_dl_num_cache_relocations += conflictend - conflict;
for (; conflict < conflictend; ++conflict)
elf_machine_rela (l, conflict, NULL, NULL, (void *) conflict->r_offset);
}
}
|
