1 | /* Manage TLS descriptors. x86_64 version. |
2 | Copyright (C) 2005-2023 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 <ldsodefs.h> |
20 | #include <tls.h> |
21 | #include <dl-tlsdesc.h> |
22 | #include <dl-unmap-segments.h> |
23 | #include <tlsdeschtab.h> |
24 | |
25 | /* Unmap the dynamic object, but also release its TLS descriptor table |
26 | if there is one. */ |
27 | |
28 | void |
29 | _dl_unmap (struct link_map *map) |
30 | { |
31 | _dl_unmap_segments (map); |
32 | |
33 | #ifdef SHARED |
34 | /* _dl_unmap is only called for dlopen()ed libraries, for which |
35 | calling free() is safe, or before we've completed the initial |
36 | relocation, in which case calling free() is probably pointless, |
37 | but still safe. */ |
38 | if (map->l_mach.tlsdesc_table) |
39 | htab_delete (map->l_mach.tlsdesc_table); |
40 | #endif |
41 | } |
42 | |