1/* Check PLT rewrite with 32-bit displacement overflow.
2 Copyright (C) 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/* foo calls func with indirect branch via PLT. PLT rewrite shouldn't
20 change it to direct branch if func is too far way. */
21
22#include <support/check.h>
23
24int (*func_p) (void);
25extern int func (void);
26
27void
28foo (void)
29{
30 TEST_VERIFY (func () == 0xbadbeef);
31 TEST_VERIFY (func_p () == 0xbadbeef);
32}
33

source code of glibc/sysdeps/x86_64/tst-plt-rewritemod2.c