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1/* Thread-local storage handling in the ELF dynamic linker. Nios II version.
2 Copyright (C) 2012-2019 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 <http://www.gnu.org/licenses/>. */
18
19
20/* Type used for the representation of TLS information in the GOT. */
21typedef struct
22{
23 unsigned long int ti_module;
24 unsigned long int ti_offset;
25} tls_index;
26
27/* The thread pointer points 0x7000 past the first static TLS block. */
28#define TLS_TP_OFFSET 0x7000
29
30/* Dynamic thread vector pointers point 0x8000 past the start of each
31 TLS block. */
32#define TLS_DTV_OFFSET 0x8000
33
34/* Compute the value for a GOTTPREL reloc. */
35#define TLS_TPREL_VALUE(sym_map, sym) \
36 ((sym_map)->l_tls_offset + (sym)->st_value - TLS_TP_OFFSET)
37
38/* Compute the value for a DTPREL reloc. */
39#define TLS_DTPREL_VALUE(sym) \
40 ((sym)->st_value - TLS_DTV_OFFSET)
41
42extern void *__tls_get_addr (tls_index *ti);
43
44# define GET_ADDR_OFFSET (ti->ti_offset + TLS_DTV_OFFSET)
45# define __TLS_GET_ADDR(__ti) (__tls_get_addr (__ti) - TLS_DTV_OFFSET)
46

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