xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Thread-local storage descriptor handling in the ELF dynamic linker. |
| 2 | AArch64 version. |
| 3 | Copyright (C) 2011-2016 Free Software Foundation, Inc. |
| 4 | |
| 5 | This file is part of the GNU C Library. |
| 6 | |
| 7 | The GNU C Library is free software; you can redistribute it and/or |
| 8 | modify it under the terms of the GNU Lesser General Public |
| 9 | License as published by the Free Software Foundation; either |
| 10 | version 2.1 of the License, or (at your option) any later version. |
| 11 | |
| 12 | The GNU C Library is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | Lesser General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU Lesser General Public |
| 18 | License along with the GNU C Library; if not, see |
| 19 | <http://www.gnu.org/licenses/>. */ |
| 20 | |
| 21 | #ifndef _AARCH64_DL_TLSDESC_H |
| 22 | #define _AARCH64_DL_TLSDESC_H 1 |
| 23 | |
| 24 | /* Type used to represent a TLS descriptor in the GOT. */ |
| 25 | struct tlsdesc |
| 26 | { |
| 27 | ptrdiff_t (*entry) (struct tlsdesc *); |
| 28 | void *arg; |
| 29 | }; |
| 30 | |
| 31 | typedef struct dl_tls_index |
| 32 | { |
| 33 | unsigned long int ti_module; |
| 34 | unsigned long int ti_offset; |
| 35 | } tls_index; |
| 36 | |
| 37 | /* Type used as the argument in a TLS descriptor for a symbol that |
| 38 | needs dynamic TLS offsets. */ |
| 39 | struct tlsdesc_dynamic_arg |
| 40 | { |
| 41 | tls_index tlsinfo; |
| 42 | size_t gen_count; |
| 43 | }; |
| 44 | |
| 45 | extern ptrdiff_t attribute_hidden |
| 46 | _dl_tlsdesc_return (struct tlsdesc *); |
| 47 | |
| 48 | extern ptrdiff_t attribute_hidden |
| 49 | _dl_tlsdesc_return_lazy (struct tlsdesc *); |
| 50 | |
| 51 | extern ptrdiff_t attribute_hidden |
| 52 | _dl_tlsdesc_undefweak (struct tlsdesc *); |
| 53 | |
| 54 | extern ptrdiff_t attribute_hidden |
| 55 | _dl_tlsdesc_resolve_rela (struct tlsdesc *); |
| 56 | |
| 57 | extern ptrdiff_t attribute_hidden |
| 58 | _dl_tlsdesc_resolve_hold (struct tlsdesc *); |
| 59 | |
| 60 | # ifdef SHARED |
| 61 | extern void *internal_function _dl_make_tlsdesc_dynamic (struct link_map *, |
| 62 | size_t); |
| 63 | |
| 64 | extern ptrdiff_t attribute_hidden |
| 65 | _dl_tlsdesc_dynamic (struct tlsdesc *); |
| 66 | #endif |
| 67 | |
| 68 | #endif |