Blame sysdeps/x86/tst-cet-legacy-4.c

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/* Check compatibility of CET-enabled executable with dlopened legacy
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   shared object.
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   Copyright (C) 2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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#include <dlfcn.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <support/check.h>
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static int
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do_test (void)
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{
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  static const char modname[] = "tst-cet-legacy-mod-4.so";
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  int (*fp) (void);
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  void *h;
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  h = dlopen (modname, RTLD_LAZY);
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  if (h == NULL)
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    {
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      const char *err = dlerror ();
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      if (!strstr (err, "rebuild shared object with IBT support enabled"))
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	FAIL_EXIT1 ("incorrect dlopen '%s' error: %s\n", modname, err);
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      return 0;
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    }
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  fp = dlsym (h, "test");
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  if (fp == NULL)
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    FAIL_EXIT1 ("cannot get symbol 'test': %s\n", dlerror ());
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  if (fp () != 0)
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    FAIL_EXIT1 ("test () != 0");
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  dlclose (h);
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  return 0;
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}
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#include <support/test-driver.c>