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
main(int argc,char ** argv)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 }
169