aarch64: Fix undefined behavior in _dl_procinfo
[glibc.git] / nptl_db / td_ta_event_addr.c
blob912069dead68555d55197f4f165f93225caecec1
1 /* Get event address.
2 Copyright (C) 1999-2017 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Ulrich Drepper <drepper@redhat.com>, 1999.
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.
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.
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 <http://www.gnu.org/licenses/>. */
20 #include "thread_dbP.h"
23 td_err_e
24 td_ta_event_addr (const td_thragent_t *ta_arg,
25 td_event_e event, td_notify_t *addr)
27 td_thragent_t *const ta = (td_thragent_t *) ta_arg;
28 td_err_e err;
29 psaddr_t taddr;
31 LOG ("td_ta_event_addr");
33 /* Test whether the TA parameter is ok. */
34 if (! ta_ok (ta))
35 return TD_BADTA;
37 switch (event)
39 case TD_CREATE:
40 err = DB_GET_SYMBOL (taddr, ta, __nptl_create_event);
41 break;
43 case TD_DEATH:
44 err = DB_GET_SYMBOL (taddr, ta, __nptl_death_event);
45 break;
47 default:
48 /* Event cannot be handled. */
49 return TD_NOEVENT;
52 if (err == TD_OK)
54 /* Success, we got the address. */
55 addr->type = NOTIFY_BPT;
56 addr->u.bptaddr = taddr;
59 return err;