nptl_db/td_ta_event_addr.c

   1 /* Get event address.
   2    Copyright (C) 1999-2020 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
   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 "thread_dbP.h"
  21
  22
  23 td_err_e
  24 td_ta_event_addr (const td_thragent_t *ta_arg,
  25                   td_event_e event, td_notify_t *addr)
  26 {
  27   td_thragent_t *const ta = (td_thragent_t *) ta_arg;
  28   td_err_e err;
  29   psaddr_t taddr;
  30
  31   LOG ("td_ta_event_addr");
  32
  33   /* Test whether the TA parameter is ok.  */
  34   if (! ta_ok (ta))
  35     return TD_BADTA;
  36
  37   switch (event)
  38     {
  39     case TD_CREATE:
  40       err = DB_GET_SYMBOL (taddr, ta, __nptl_create_event);
  41       break;
  42
  43     case TD_DEATH:
  44       err = DB_GET_SYMBOL (taddr, ta, __nptl_death_event);
  45       break;
  46
  47     default:
  48       /* Event cannot be handled.  */
  49       return TD_NOEVENT;
  50     }
  51
  52   if (err == TD_OK)
  53     {
  54       /* Success, we got the address.  */
  55       addr->type = NOTIFY_BPT;
  56       addr->u.bptaddr = taddr;
  57     }
  58
  59   return err;
  60 }