1  /* Check DT_TEXTREL/DF_TEXTREL support with ifunc.
       2     Copyright (C) 2018-2023 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>