tests/lib/libc/sync/all_sync_ops_linkable.c

   1 /* $NetBSD: all_sync_ops_linkable.c,v 1.4 2014/02/21 10:26:25 martin Exp $ */
   2
   3 /*-
   4  * Copyright (c) 2014 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * This code is derived from software contributed to The NetBSD Foundation
   8  * by Martin Husemann <martin@NetBSD.org>.
   9  *
  10  * Redistribution and use in source and binary forms, with or without
  11  * modification, are permitted provided that the following conditions
  12  * are met:
  13  * 1. Redistributions of source code must retain the above copyright
  14  *    notice, this list of conditions and the following disclaimer.
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in the
  17  *    documentation and/or other materials provided with the distribution.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29  * POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 /*
  33  * This is a simple link-time test to verify all builtin atomic sync
  34  * operations are available. Depending on the exact cpu/arch code generator
  35  * options, some of these need support functions (which on NetBSD we
  36  * typically provide in src/common/lib/libc/atomic).
  37  *
  38  * The list of operations has been extracted from sync-builtins.def file
  39  * in the gcc distribution (as of gcc 4.8.2).
  40  */
  41
  42 #include <machine/types.h>
  43 #include <sys/inttypes.h>
  44
  45 volatile uint8_t u8 = 0;
  46 volatile uint16_t u16 = 0;
  47 volatile uint32_t u32 = 0;
  48
  49 #ifdef __HAVE_ATOMIC64_OPS
  50 volatile uint64_t u64 = 0;
  51 #endif
  52
  53 int
  54 main(int argc, char **argv)
  55 {
  56         __sync_synchronize();
  57         __sync_add_and_fetch(&u8, 1);
  58         __sync_add_and_fetch_1(&u8, 1);
  59         __sync_add_and_fetch_2(&u16, 1);
  60         __sync_add_and_fetch_4(&u32, 1);
  61 #ifdef __HAVE_ATOMIC64_OPS
  62         __sync_add_and_fetch_8(&u64, 1);
  63 #endif
  64         __sync_bool_compare_and_swap(&u8, 1, 2);
  65         __sync_bool_compare_and_swap_1(&u8, 1, 2);
  66         __sync_bool_compare_and_swap_2(&u16, 1, 2);
  67         __sync_bool_compare_and_swap_4(&u32, 1, 2);
  68 #ifdef __HAVE_ATOMIC64_OPS
  69         __sync_bool_compare_and_swap_8(&u64, 1, 2);
  70 #endif
  71         __sync_fetch_and_add(&u8, 1);
  72         __sync_fetch_and_add_1(&u8, 1);
  73         __sync_fetch_and_add_2(&u16, 1);
  74         __sync_fetch_and_add_4(&u32, 1);
  75 #ifdef __HAVE_ATOMIC64_OPS
  76         __sync_fetch_and_add_8(&u64, 1);
  77 #endif
  78         __sync_fetch_and_and(&u8, 0x80);
  79         __sync_fetch_and_and_1(&u8, 0x80);
  80         __sync_fetch_and_and_2(&u16, 0x80);
  81         __sync_fetch_and_and_4(&u32, 0x80);
  82 #ifdef __HAVE_ATOMIC64_OPS
  83         __sync_fetch_and_and_8(&u64, 0x80);
  84 #endif
  85 #ifndef __clang__
  86         __sync_fetch_and_nand(&u8, 0x80);
  87         __sync_fetch_and_nand_1(&u8, 0x80);
  88         __sync_fetch_and_nand_2(&u16, 0x80);
  89         __sync_fetch_and_nand_4(&u32, 0x80);
  90 #ifdef __HAVE_ATOMIC64_OPS
  91         __sync_fetch_and_nand_8(&u64, 0x80);
  92 #endif
  93 #endif
  94         __sync_fetch_and_or(&u8, 0x80);
  95         __sync_fetch_and_or_1(&u8, 0x80);
  96         __sync_fetch_and_or_2(&u16, 0x80);
  97         __sync_fetch_and_or_4(&u32, 0x80);
  98 #ifdef __HAVE_ATOMIC64_OPS
  99         __sync_fetch_and_or_8(&u64, 0x80);
 100 #endif
 101         __sync_fetch_and_sub(&u8, 0x80);
 102         __sync_fetch_and_sub_1(&u8, 0x80);
 103         __sync_fetch_and_sub_2(&u16, 0x80);
 104         __sync_fetch_and_sub_4(&u32, 0x80);
 105 #ifdef __HAVE_ATOMIC64_OPS
 106         __sync_fetch_and_sub_8(&u64, 0x80);
 107 #endif
 108         __sync_fetch_and_xor(&u8, 0x80);
 109         __sync_fetch_and_xor_1(&u8, 0x80);
 110         __sync_fetch_and_xor_2(&u16, 0x80);
 111         __sync_fetch_and_xor_4(&u32, 0x80);
 112 #ifdef __HAVE_ATOMIC64_OPS
 113         __sync_fetch_and_xor_8(&u64, 0x80);
 114 #endif
 115         __sync_lock_release(&u8);
 116         __sync_lock_release_1(&u8);
 117         __sync_lock_release_2(&u16);
 118         __sync_lock_release_4(&u32);
 119 #ifdef __HAVE_ATOMIC64_OPS
 120         __sync_lock_release_8(&u64);
 121 #endif
 122         __sync_lock_test_and_set(&u8, 5);
 123         __sync_lock_test_and_set_1(&u8, 5);
 124         __sync_lock_test_and_set_2(&u16, 5);
 125         __sync_lock_test_and_set_4(&u32, 5);
 126 #ifdef __HAVE_ATOMIC64_OPS
 127         __sync_lock_test_and_set_8(&u64, 5);
 128 #endif
 129 #ifndef __clang__
 130         __sync_nand_and_fetch(&u8, 5);
 131         __sync_nand_and_fetch_1(&u8, 5);
 132         __sync_nand_and_fetch_2(&u16, 5);
 133         __sync_nand_and_fetch_4(&u32, 5);
 134 #ifdef __HAVE_ATOMIC64_OPS
 135         __sync_nand_and_fetch_8(&u64, 5);
 136 #endif
 137 #endif
 138         __sync_or_and_fetch(&u8, 5);
 139         __sync_or_and_fetch_1(&u8, 5);
 140         __sync_or_and_fetch_2(&u16, 5);
 141         __sync_or_and_fetch_4(&u32, 5);
 142 #ifdef __HAVE_ATOMIC64_OPS
 143         __sync_or_and_fetch_8(&u64, 5);
 144 #endif
 145         __sync_sub_and_fetch(&u8, 5);
 146         __sync_sub_and_fetch_1(&u8, 5);
 147         __sync_sub_and_fetch_2(&u16, 5);
 148         __sync_sub_and_fetch_4(&u32, 5);
 149 #ifdef __HAVE_ATOMIC64_OPS
 150         __sync_sub_and_fetch_8(&u64, 5);
 151 #endif
 152         __sync_val_compare_and_swap(&u8, 5, 9);
 153         __sync_val_compare_and_swap_1(&u8, 5, 9);
 154         __sync_val_compare_and_swap_2(&u16, 5, 9);
 155         __sync_val_compare_and_swap_4(&u32, 5, 9);
 156 #ifdef __HAVE_ATOMIC64_OPS
 157         __sync_val_compare_and_swap_8(&u64, 5, 9);
 158 #endif
 159         __sync_xor_and_fetch(&u8, 5);
 160         __sync_xor_and_fetch_1(&u8, 5);
 161         __sync_xor_and_fetch_2(&u16, 5);
 162         __sync_xor_and_fetch_4(&u32, 5);
 163 #ifdef __HAVE_ATOMIC64_OPS
 164         __sync_xor_and_fetch_8(&u64, 5);
 165 #endif
 166
 167         return 0;
 168 }