| 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 | |