Blame sysdeps/powerpc/test-gettimebase.c

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/* Check __ppc_get_timebase() for architecture changes
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   Copyright (C) 2012-2018 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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/* Test if __ppc_get_timebase() is compatible with the current processor and if
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   it's changing between reads.  A read failure might indicate a Power ISA or
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   binutils change.  */
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#include <inttypes.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <sys/platform/ppc.h>
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static int
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do_test (void)
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{
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  uint64_t t1, t2, t3;
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  t1 = __ppc_get_timebase ();
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  printf ("Time Base = %"PRIu64"\n", t1);
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  t2 = __ppc_get_timebase ();
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  printf ("Time Base = %"PRIu64"\n", t2);
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  t3 = __ppc_get_timebase ();
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  printf ("Time Base = %"PRIu64"\n", t3);
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  if (t1 != t2 && t1 != t3 && t2 != t3)
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    return 0;
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  printf ("Fail: timebase reads should always be different.\n");
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  return 1;
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}
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#include <support/test-driver.c>