1/* First module for NODELETE test defining a unique symbol (with DT_NEEDED).
2 Copyright (C) 2019-2024 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_mod12 = false;
27
28/* Explicit instantiation. This produces a unique symbol definition
29 which is not referenced by the library itself, so the library is
30 not marked NODELETE. */
31template struct unique_symbol<12>;
32
33static void __attribute__ ((destructor))
34fini (void)
35{
36 if (!may_finalize_mod12)
37 {
38 puts (s: "error: tst-dlopen-nodelete-reloc-mod12.so destructor"
39 " called too early");
40 _exit (status: 1);
41 }
42}
43

source code of glibc/elf/tst-dlopen-nodelete-reloc-mod12.cc