nptl_db/td_init.c

   1 /* Initialization function of thread debugger support library.
   2    Copyright (C) 1999-2022 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 "thread_dbP.h"
  20
  21 int __td_debug;
  22
  23
  24 td_err_e
  25 td_init (void)
  26 {
  27   /* XXX We have to figure out what has to be done.  */
  28   LOG ("td_init");
  29   return TD_OK;
  30 }
  31
  32 bool
  33 __td_ta_rtld_global (td_thragent_t *ta)
  34 {
  35   if (ta->ta_addr__rtld_global == 0)
  36     {
  37       psaddr_t rtldglobalp;
  38       if (DB_GET_VALUE (rtldglobalp, ta, __nptl_rtld_global, 0) == TD_OK)
  39         ta->ta_addr__rtld_global = rtldglobalp;
  40       else
  41         ta->ta_addr__rtld_global = (void *) -1;
  42     }
  43
  44   return ta->ta_addr__rtld_global != (void *)-1;
  45 }