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
foo_impl(void)26 foo_impl (void)
27 {
28   return address;
29 }
30 
31 void *
32 __attribute__((noinline))
foo(void)33 foo (void)
34 {
35   return (void*) foo_impl;
36 }
37 __asm__ (".type foo, %gnu_indirect_function");
38 
39 static int
do_test(void)40 do_test (void)
41 {
42   return (uintptr_t) foo () != 0 ? 0 : 1;
43 }
44 
45 #include <support/test-driver.c>
46