1/* Get address of thread local variable.
2 Copyright (C) 2002-2021 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@cygnus.com>, 2002.
5
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
10
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
15
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <https://www.gnu.org/licenses/>. */
19
20#include <link.h>
21#include "thread_dbP.h"
22
23td_err_e
24td_thr_tls_get_addr (const td_thrhandle_t *th,
25 psaddr_t map_address, size_t offset, psaddr_t *address)
26{
27 td_err_e err;
28 psaddr_t modid;
29
30 /* Get the TLS module ID from the `struct link_map' in the inferior. */
31 err = DB_GET_FIELD (modid, th->th_ta_p, map_address, link_map,
32 l_tls_modid, 0);
33 if (err == TD_NOCAPAB)
34 return TD_NOAPLIC;
35 if (err == TD_OK)
36 {
37 err = td_thr_tlsbase (th, (uintptr_t) modid, address);
38 if (err == TD_OK)
39 *address += offset;
40 }
41 return err;
42}
43