1 /* Thread-local storage handling in the ELF dynamic linker. IA-64 version.
2 Copyright (C) 2003-2022 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 <csu/libc-tls.c>
20
21 _Static_assert (TLS_PRE_TCB_SIZE % __alignof (struct pthread) == 0,
22 "__thread_self and THREAD_SELF have same alignment");
23
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 *
__tls_get_addr(size_t m,size_t offset)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 }
35