1  /* Check that a versioned symbol can move from one library to another.
       2     Copyright (C) 2019-2023 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  /* At link time, moved_function is bound to the symbol version
      20     SONAME_MOVE in tst-sonamemove-runmod1.so, using the
      21     tst-sonamemove-linkmod1.so stub object.
      22  
      23     At run time, the process loads the real tst-sonamemove-runmod1.so,
      24     which depends on tst-sonamemove-runmod2.so.
      25     tst-sonamemove-runmod1.so does not define moved_function, but
      26     tst-sonamemove-runmod2.so does.
      27  
      28     The net effect is that the versioned symbol
      29     moved_function@SONAME_MOVE moved from the soname
      30     tst-sonamemove-linkmod1.so at link time to the soname
      31     tst-sonamemove-linkmod2.so at run time. */
      32  void moved_function (void);
      33  
      34  static int
      35  do_test (void)
      36  {
      37    moved_function ();
      38    return 0;
      39  }
      40  
      41  #include <support/test-driver.c>