1 /* Locate TLS data for a thread.
2 Copyright (C) 2003, 2006 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
19 #include "thread_dbP.h"
22 td_thr_tlsbase (const td_thrhandle_t *th,
23 unsigned long int modid,
27 psaddr_t dtv, dtvslot, dtvptr;
32 /* Get the DTV pointer from the thread descriptor. */
33 err = DB_GET_FIELD (dtv, th->th_ta_p, th->th_unique, pthread, dtvp, 0);
37 /* Find the corresponding entry in the DTV. */
38 err = DB_GET_FIELD_ADDRESS (dtvslot, th->th_ta_p, dtv, dtv, dtv, modid);
42 /* Extract the TLS block address from that DTV slot. */
43 err = DB_GET_FIELD (dtvptr, th->th_ta_p, dtvslot, dtv_t, pointer_val, 0);
47 /* It could be that the memory for this module is not allocated for
49 if ((uintptr_t) dtvptr & 1)