1 /* Unit test for _Unwind_Backtrace in a shared object constructor.
2 Copyright (C) 2018-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
22 static _Unwind_Reason_Code
23 callback (struct _Unwind_Context *ctx, void *arg)
25 return _URC_NO_REASON;
29 __attribute__ ((constructor))
32 /* Arrange for this test to be killed if _Unwind_Backtrace runs into an
33 endless loop. We cannot use the test driver since the test needs to
34 run in a constructor. */
36 _Unwind_Backtrace (callback, 0);