1 | /* Audit module loaded by tst-audit23. |
2 | Copyright (C) 2022 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <link.h> |
20 | #include <inttypes.h> |
21 | #include <stdlib.h> |
22 | #include <stdio.h> |
23 | #include <string.h> |
24 | #include <sys/auxv.h> |
25 | |
26 | unsigned int |
27 | la_version (unsigned int version) |
28 | { |
29 | return LAV_CURRENT; |
30 | } |
31 | |
32 | struct map_desc_t |
33 | { |
34 | char *lname; |
35 | uintptr_t laddr; |
36 | Lmid_t lmid; |
37 | }; |
38 | |
39 | void |
40 | la_activity (uintptr_t *cookie, unsigned int flag) |
41 | { |
42 | fprintf (stderr, format: "%s: %d %" PRIxPTR"\n" , __func__, flag, (uintptr_t) cookie); |
43 | } |
44 | |
45 | unsigned int |
46 | la_objopen (struct link_map *map, Lmid_t lmid, uintptr_t *cookie) |
47 | { |
48 | const char *l_name = map->l_name[0] == '\0' ? "mainapp" : map->l_name; |
49 | fprintf (stderr, format: "%s: %" PRIxPTR" %s %" PRIxPTR" %ld\n" , __func__, |
50 | (uintptr_t) cookie, l_name, map->l_addr, lmid); |
51 | |
52 | struct map_desc_t *map_desc = malloc (size: sizeof (struct map_desc_t)); |
53 | if (map_desc == NULL) |
54 | abort (); |
55 | |
56 | map_desc->lname = strdup (s: l_name); |
57 | map_desc->laddr = map->l_addr; |
58 | map_desc->lmid = lmid; |
59 | |
60 | *cookie = (uintptr_t) map_desc; |
61 | |
62 | return 0; |
63 | } |
64 | |
65 | unsigned int |
66 | la_objclose (uintptr_t *cookie) |
67 | { |
68 | struct map_desc_t *map_desc = (struct map_desc_t *) *cookie; |
69 | fprintf (stderr, format: "%s: %" PRIxPTR" %s %" PRIxPTR" %ld\n" , __func__, |
70 | (uintptr_t) cookie, map_desc->lname, map_desc->laddr, |
71 | map_desc->lmid); |
72 | |
73 | return 0; |
74 | } |
75 | |