1 | /* Test 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 | #include <support/check.h> |
20 | |
21 | extern int (*func_p) (void); |
22 | extern void foo (void); |
23 | |
24 | int |
25 | func (void) |
26 | { |
27 | return 0xbadbeef; |
28 | } |
29 | |
30 | void |
31 | bar (void) |
32 | { |
33 | TEST_VERIFY (func_p == &func); |
34 | TEST_VERIFY (func_p () == 0xbadbeef); |
35 | } |
36 | |
37 | static int |
38 | do_test (void) |
39 | { |
40 | func_p = &func; |
41 | foo (); |
42 | bar (); |
43 | return 0; |
44 | } |
45 | |
46 | #include <support/test-driver.c> |
47 | |