1272343Sngie/* $NetBSD: all_sync_ops_linkable.c,v 1.4 2014/02/21 10:26:25 martin Exp $ */ 2272343Sngie 3272343Sngie/*- 4272343Sngie * Copyright (c) 2014 The NetBSD Foundation, Inc. 5272343Sngie * All rights reserved. 6272343Sngie * 7272343Sngie * This code is derived from software contributed to The NetBSD Foundation 8272343Sngie * by Martin Husemann <martin@NetBSD.org>. 9272343Sngie * 10272343Sngie * Redistribution and use in source and binary forms, with or without 11272343Sngie * modification, are permitted provided that the following conditions 12272343Sngie * are met: 13272343Sngie * 1. Redistributions of source code must retain the above copyright 14272343Sngie * notice, this list of conditions and the following disclaimer. 15272343Sngie * 2. Redistributions in binary form must reproduce the above copyright 16272343Sngie * notice, this list of conditions and the following disclaimer in the 17272343Sngie * documentation and/or other materials provided with the distribution. 18272343Sngie * 19272343Sngie * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20272343Sngie * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21272343Sngie * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22272343Sngie * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23272343Sngie * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24272343Sngie * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25272343Sngie * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26272343Sngie * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27272343Sngie * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28272343Sngie * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29272343Sngie * POSSIBILITY OF SUCH DAMAGE. 30272343Sngie */ 31272343Sngie 32272343Sngie/* 33272343Sngie * This is a simple link-time test to verify all builtin atomic sync 34272343Sngie * operations are available. Depending on the exact cpu/arch code generator 35272343Sngie * options, some of these need support functions (which on NetBSD we 36272343Sngie * typically provide in src/common/lib/libc/atomic). 37272343Sngie * 38272343Sngie * The list of operations has been extracted from sync-builtins.def file 39272343Sngie * in the gcc distribution (as of gcc 4.8.2). 40272343Sngie */ 41272343Sngie 42272343Sngie#include <machine/types.h> 43272343Sngie#include <sys/inttypes.h> 44272343Sngie 45272343Sngievolatile uint8_t u8 = 0; 46272343Sngievolatile uint16_t u16 = 0; 47272343Sngievolatile uint32_t u32 = 0; 48272343Sngie 49272343Sngie#ifdef __HAVE_ATOMIC64_OPS 50272343Sngievolatile uint64_t u64 = 0; 51272343Sngie#endif 52272343Sngie 53272343Sngieint 54272343Sngiemain(int argc, char **argv) 55272343Sngie{ 56272343Sngie __sync_synchronize(); 57272343Sngie __sync_add_and_fetch(&u8, 1); 58272343Sngie __sync_add_and_fetch_1(&u8, 1); 59272343Sngie __sync_add_and_fetch_2(&u16, 1); 60272343Sngie __sync_add_and_fetch_4(&u32, 1); 61272343Sngie#ifdef __HAVE_ATOMIC64_OPS 62272343Sngie __sync_add_and_fetch_8(&u64, 1); 63272343Sngie#endif 64272343Sngie __sync_bool_compare_and_swap(&u8, 1, 2); 65272343Sngie __sync_bool_compare_and_swap_1(&u8, 1, 2); 66272343Sngie __sync_bool_compare_and_swap_2(&u16, 1, 2); 67272343Sngie __sync_bool_compare_and_swap_4(&u32, 1, 2); 68272343Sngie#ifdef __HAVE_ATOMIC64_OPS 69272343Sngie __sync_bool_compare_and_swap_8(&u64, 1, 2); 70272343Sngie#endif 71272343Sngie __sync_fetch_and_add(&u8, 1); 72272343Sngie __sync_fetch_and_add_1(&u8, 1); 73272343Sngie __sync_fetch_and_add_2(&u16, 1); 74272343Sngie __sync_fetch_and_add_4(&u32, 1); 75272343Sngie#ifdef __HAVE_ATOMIC64_OPS 76272343Sngie __sync_fetch_and_add_8(&u64, 1); 77272343Sngie#endif 78272343Sngie __sync_fetch_and_and(&u8, 0x80); 79272343Sngie __sync_fetch_and_and_1(&u8, 0x80); 80272343Sngie __sync_fetch_and_and_2(&u16, 0x80); 81272343Sngie __sync_fetch_and_and_4(&u32, 0x80); 82272343Sngie#ifdef __HAVE_ATOMIC64_OPS 83272343Sngie __sync_fetch_and_and_8(&u64, 0x80); 84272343Sngie#endif 85272343Sngie#ifndef __clang__ 86272343Sngie __sync_fetch_and_nand(&u8, 0x80); 87272343Sngie __sync_fetch_and_nand_1(&u8, 0x80); 88272343Sngie __sync_fetch_and_nand_2(&u16, 0x80); 89272343Sngie __sync_fetch_and_nand_4(&u32, 0x80); 90272343Sngie#ifdef __HAVE_ATOMIC64_OPS 91272343Sngie __sync_fetch_and_nand_8(&u64, 0x80); 92272343Sngie#endif 93272343Sngie#endif 94272343Sngie __sync_fetch_and_or(&u8, 0x80); 95272343Sngie __sync_fetch_and_or_1(&u8, 0x80); 96272343Sngie __sync_fetch_and_or_2(&u16, 0x80); 97272343Sngie __sync_fetch_and_or_4(&u32, 0x80); 98272343Sngie#ifdef __HAVE_ATOMIC64_OPS 99272343Sngie __sync_fetch_and_or_8(&u64, 0x80); 100272343Sngie#endif 101272343Sngie __sync_fetch_and_sub(&u8, 0x80); 102272343Sngie __sync_fetch_and_sub_1(&u8, 0x80); 103272343Sngie __sync_fetch_and_sub_2(&u16, 0x80); 104272343Sngie __sync_fetch_and_sub_4(&u32, 0x80); 105272343Sngie#ifdef __HAVE_ATOMIC64_OPS 106272343Sngie __sync_fetch_and_sub_8(&u64, 0x80); 107272343Sngie#endif 108272343Sngie __sync_fetch_and_xor(&u8, 0x80); 109272343Sngie __sync_fetch_and_xor_1(&u8, 0x80); 110272343Sngie __sync_fetch_and_xor_2(&u16, 0x80); 111272343Sngie __sync_fetch_and_xor_4(&u32, 0x80); 112272343Sngie#ifdef __HAVE_ATOMIC64_OPS 113272343Sngie __sync_fetch_and_xor_8(&u64, 0x80); 114272343Sngie#endif 115272343Sngie __sync_lock_release(&u8); 116272343Sngie __sync_lock_release_1(&u8); 117272343Sngie __sync_lock_release_2(&u16); 118272343Sngie __sync_lock_release_4(&u32); 119272343Sngie#ifdef __HAVE_ATOMIC64_OPS 120272343Sngie __sync_lock_release_8(&u64); 121272343Sngie#endif 122272343Sngie __sync_lock_test_and_set(&u8, 5); 123272343Sngie __sync_lock_test_and_set_1(&u8, 5); 124272343Sngie __sync_lock_test_and_set_2(&u16, 5); 125272343Sngie __sync_lock_test_and_set_4(&u32, 5); 126272343Sngie#ifdef __HAVE_ATOMIC64_OPS 127272343Sngie __sync_lock_test_and_set_8(&u64, 5); 128272343Sngie#endif 129272343Sngie#ifndef __clang__ 130272343Sngie __sync_nand_and_fetch(&u8, 5); 131272343Sngie __sync_nand_and_fetch_1(&u8, 5); 132272343Sngie __sync_nand_and_fetch_2(&u16, 5); 133272343Sngie __sync_nand_and_fetch_4(&u32, 5); 134272343Sngie#ifdef __HAVE_ATOMIC64_OPS 135272343Sngie __sync_nand_and_fetch_8(&u64, 5); 136272343Sngie#endif 137272343Sngie#endif 138272343Sngie __sync_or_and_fetch(&u8, 5); 139272343Sngie __sync_or_and_fetch_1(&u8, 5); 140272343Sngie __sync_or_and_fetch_2(&u16, 5); 141272343Sngie __sync_or_and_fetch_4(&u32, 5); 142272343Sngie#ifdef __HAVE_ATOMIC64_OPS 143272343Sngie __sync_or_and_fetch_8(&u64, 5); 144272343Sngie#endif 145272343Sngie __sync_sub_and_fetch(&u8, 5); 146272343Sngie __sync_sub_and_fetch_1(&u8, 5); 147272343Sngie __sync_sub_and_fetch_2(&u16, 5); 148272343Sngie __sync_sub_and_fetch_4(&u32, 5); 149272343Sngie#ifdef __HAVE_ATOMIC64_OPS 150272343Sngie __sync_sub_and_fetch_8(&u64, 5); 151272343Sngie#endif 152272343Sngie __sync_val_compare_and_swap(&u8, 5, 9); 153272343Sngie __sync_val_compare_and_swap_1(&u8, 5, 9); 154272343Sngie __sync_val_compare_and_swap_2(&u16, 5, 9); 155272343Sngie __sync_val_compare_and_swap_4(&u32, 5, 9); 156272343Sngie#ifdef __HAVE_ATOMIC64_OPS 157272343Sngie __sync_val_compare_and_swap_8(&u64, 5, 9); 158272343Sngie#endif 159272343Sngie __sync_xor_and_fetch(&u8, 5); 160272343Sngie __sync_xor_and_fetch_1(&u8, 5); 161272343Sngie __sync_xor_and_fetch_2(&u16, 5); 162272343Sngie __sync_xor_and_fetch_4(&u32, 5); 163272343Sngie#ifdef __HAVE_ATOMIC64_OPS 164272343Sngie __sync_xor_and_fetch_8(&u64, 5); 165272343Sngie#endif 166272343Sngie 167272343Sngie return 0; 168272343Sngie} 169