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d5efd131 | 1 | /* Thread-local storage handling in the ELF dynamic linker. IA-64 version. |
2b778ceb | 2 | Copyright (C) 2003-2021 Free Software Foundation, Inc. |
d5efd131 MF |
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 | |
75efb018 | 16 | License along with the GNU C Library; if not, see |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
d5efd131 MF |
18 | |
19 | #include <csu/libc-tls.c> | |
20 | ||
627f5ede FW |
21 | _Static_assert (TLS_PRE_TCB_SIZE % __alignof (struct pthread) == 0, |
22 | "__thread_self and THREAD_SELF have same alignment"); | |
23 | ||
d5efd131 MF |
24 | /* On IA-64, as it lacks linker optimizations, __tls_get_addr can be |
25 | called even in statically linked binaries. | |
26 | In this case module must be always 1 and PT_TLS segment | |
27 | exist in the binary, otherwise it would not link. */ | |
28 | ||
29 | void * | |
30 | __tls_get_addr (size_t m, size_t offset) | |
31 | { | |
32 | dtv_t *dtv = THREAD_DTV (); | |
33 | return (char *) dtv[1].pointer.val + offset; | |
34 | } |