1: /* Get address of thread local variable.
    2:    Copyright (C) 2002,2003 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, write to the Free
   18:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   19:    02111-1307 USA.  */
   20: 
   21: #include <link.h>
   22: #include "thread_dbP.h"
   23: 
   24: td_err_e
   25: td_thr_tls_get_addr (const td_thrhandle_t *th,
   26:                      psaddr_t map_address, size_t offset, psaddr_t *address)
   27: {
   28:   td_err_e err;
   29:   psaddr_t modid;
   30: 
   31:   /* Get the TLS module ID from the `struct link_map' in the inferior.  */
   32:   err = DB_GET_FIELD (modid, th->th_ta_p, map_address, link_map,
   33:                       l_tls_modid, 0);
   34:   if (err == TD_NOCAPAB)
   35:     return TD_NOAPLIC;
   36:   if (err == TD_OK)
   37:     {
   38:       err = td_thr_tlsbase (th, (uintptr_t) modid, address);
   39:       if (err == TD_OK)
   40:         *address += offset;
   41:     }
   42:   return err;
   43: }