1 | /* Check DT_TEXTREL/DF_TEXTREL support with ifunc. |
2 | Copyright (C) 2018-2022 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 <stdint.h> |
20 | |
21 | /* Force a text relocation in the object. */ |
22 | static const uintptr_t |
23 | address __attribute__((section(".text" ))) = (uintptr_t) &address; |
24 | |
25 | static uintptr_t |
26 | foo_impl (void) |
27 | { |
28 | return address; |
29 | } |
30 | |
31 | void * |
32 | __attribute__((noinline)) |
33 | foo (void) |
34 | { |
35 | return (void*) foo_impl; |
36 | } |
37 | __asm__ (".type foo, %gnu_indirect_function" ); |
38 | |
39 | static int |
40 | do_test (void) |
41 | { |
42 | return (uintptr_t) foo () != 0 ? 0 : 1; |
43 | } |
44 | |
45 | #include <support/test-driver.c> |
46 | |