/* Check __ppc_get_timebase() for architecture changes Copyright (C) 2012-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see . */ /* Test if __ppc_get_timebase() is compatible with the current processor and if it's changing between reads. A read failure might indicate a Power ISA or binutils change. */ #include #include #include #include static int do_test (void) { uint64_t t1, t2, t3; t1 = __ppc_get_timebase (); printf ("Time Base = %"PRIu64"\n", t1); t2 = __ppc_get_timebase (); printf ("Time Base = %"PRIu64"\n", t2); t3 = __ppc_get_timebase (); printf ("Time Base = %"PRIu64"\n", t3); if (t1 != t2 && t1 != t3 && t2 != t3) return 0; printf ("Fail: timebase reads should always be different.\n"); return 1; } #include