1/* Get address of thread local variable.
2 Copyright (C) 2002-2022 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 <link.h>
20#include "thread_dbP.h"
21
22td_err_e
23td_thr_tls_get_addr (const td_thrhandle_t *th,
24 psaddr_t map_address, size_t offset, psaddr_t *address)
25{
26 td_err_e err;
27 psaddr_t modid;
28
29 /* Get the TLS module ID from the `struct link_map' in the inferior. */
30 err = DB_GET_FIELD (modid, th->th_ta_p, map_address, link_map,
31 l_tls_modid, 0);
32 if (err == TD_NOCAPAB)
33 return TD_NOAPLIC;
34 if (err == TD_OK)
35 {
36 err = td_thr_tlsbase (th, (uintptr_t) modid, address);
37 if (err == TD_OK)
38 *address += offset;
39 }
40 return err;
41}
42