/* Get address of thread local variable.

   Copyright (C) 2002-2018 Free Software Foundation, Inc.

   This file is part of the GNU C Library.

   Contributed by Ulrich Drepper <drepper@cygnus.com>, 2002.

   The GNU C Library is free software; you can redistribute it and/or

   modify it under the terms of the GNU Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <link.h>

#include "thread_dbP.h"

td_err_e

td_thr_tls_get_addr (const td_thrhandle_t *th,

		     psaddr_t map_address, size_t offset, psaddr_t *address)

{

  td_err_e err;

  psaddr_t modid;

  /* Get the TLS module ID from the `struct link_map' in the inferior.  */

  err = DB_GET_FIELD (modid, th->th_ta_p, map_address, link_map,

		      l_tls_modid, 0);

  if (err == TD_NOCAPAB)

    return TD_NOAPLIC;

  if (err == TD_OK)

    {

      err = td_thr_tlsbase (th, (uintptr_t) modid, address);

      if (err == TD_OK)

	*address += offset;

    }

  return err;

}