linuxthreads_db/td_ta_event_addr.c

   1 /* Get event address.
   2    Copyright (C) 1999 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Ulrich Drepper <drepper@cygnus.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 Library General Public License as
   8    published by the Free Software Foundation; either version 2 of the
   9    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    Library General Public License for more details.
  15
  16    You should have received a copy of the GNU Library General Public
  17    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  18    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #include <gnu/lib-names.h>
  22
  23 #include "thread_dbP.h"
  24
  25
  26 td_err_e
  27 td_ta_event_addr (const td_thragent_t *ta, td_event_e event, td_notify_t *addr)
  28 {
  29   td_err_e res = TD_NOEVENT;
  30   const char *symbol = NULL;
  31
  32   LOG (__FUNCTION__);
  33
  34   /* Test whether the TA parameter is ok.  */
  35   if (! ta_ok (ta))
  36     return TD_BADTA;
  37
  38   switch (event)
  39     {
  40     case TD_CREATE:
  41       symbol = "__linuxthreads_create_event";
  42       break;
  43
  44     case TD_DEATH:
  45       symbol = "__linuxthreads_death_event";
  46       break;
  47
  48     case TD_REAP:
  49       symbol = "__linuxthreads_reap_event";
  50       break;
  51
  52     default:
  53       /* Event cannot be handled.  */
  54       break;
  55     }
  56
  57   /* Now get the address.  */
  58   if (symbol != NULL)
  59     {
  60       psaddr_t taddr;
  61
  62       if (ps_pglobal_lookup (ta->ph, LIBPTHREAD_SO, symbol, &taddr) == PS_OK)
  63         {
  64           /* Success, we got the address.  */
  65           addr->type = NOTIFY_BPT;
  66           addr->u.bptaddr = taddr;
  67
  68           res = TD_OK;
  69         }
  70       else
  71         res = TD_ERR;
  72     }
  73
  74   return res;
  75 }