1/* Second module for NODELETE test defining a unique symbol.
2 Copyright (C) 2019-2022 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 "tst-dlopen-nodelete-reloc.h"
20
21#include <stdbool.h>
22#include <stdio.h>
23#include <unistd.h>
24
25/* Just a flag here, not used for NODELETE processing. */
26bool may_finalize_mod7 = false;
27
28extern template struct unique_symbol<6>;
29
30/* Trigger the creation of a unique symbol reference. This should
31 cause tst-dlopen-nodelete-reloc-mod6.so to be marked as
32 NODELETE. */
33int
34global_function_mod7 (void)
35{
36 return unique_symbol<6>::value;
37}
38
39static void __attribute__ ((destructor))
40fini (void)
41{
42 if (!may_finalize_mod7)
43 {
44 puts (s: "error: tst-dlopen-nodelete-reloc-mod7.so destructor"
45 " called too early");
46 _exit (status: 1);
47 }
48}
49

source code of glibc/elf/tst-dlopen-nodelete-reloc-mod7.cc