2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1998 Doug Rabson
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #ifndef _MACHINE_ATOMIC_H_
31 #define _MACHINE_ATOMIC_H_
34 #error this file needs sys/cdefs.h as a prerequisite
38 * To express interprocessor (as opposed to processor and device) memory
39 * ordering constraints, use the atomic_*() functions with acquire and release
40 * semantics rather than the *mb() functions. An architecture's memory
41 * ordering (or memory consistency) model governs the order in which a
42 * program's accesses to different locations may be performed by an
43 * implementation of that architecture. In general, for memory regions
44 * defined as writeback cacheable, the memory ordering implemented by amd64
45 * processors preserves the program ordering of a load followed by a load, a
46 * load followed by a store, and a store followed by a store. Only a store
47 * followed by a load to a different memory location may be reordered.
48 * Therefore, except for special cases, like non-temporal memory accesses or
49 * memory regions defined as write combining, the memory ordering effects
50 * provided by the sfence instruction in the wmb() function and the lfence
51 * instruction in the rmb() function are redundant. In contrast, the
52 * atomic_*() functions with acquire and release semantics do not perform
53 * redundant instructions for ordinary cases of interprocessor memory
54 * ordering on any architecture.
56 #define mb() __asm __volatile("mfence;" : : : "memory")
57 #define wmb() __asm __volatile("sfence;" : : : "memory")
58 #define rmb() __asm __volatile("lfence;" : : : "memory")
62 * OFFSETOF_MONITORBUF == __pcpu_offset(pc_monitorbuf).
64 * The open-coded number is used instead of the symbolic expression to
65 * avoid a dependency on sys/pcpu.h in machine/atomic.h consumers.
66 * An assertion in amd64/vm_machdep.c ensures that the value is correct.
68 #define OFFSETOF_MONITORBUF 0x100
71 #if defined(SAN_NEEDS_INTERCEPTORS) && !defined(SAN_RUNTIME)
72 #include <sys/atomic_san.h>
74 #include <sys/atomic_common.h>
77 * Various simple operations on memory, each of which is atomic in the
78 * presence of interrupts and multiple processors.
80 * atomic_set_char(P, V) (*(u_char *)(P) |= (V))
81 * atomic_clear_char(P, V) (*(u_char *)(P) &= ~(V))
82 * atomic_add_char(P, V) (*(u_char *)(P) += (V))
83 * atomic_subtract_char(P, V) (*(u_char *)(P) -= (V))
85 * atomic_set_short(P, V) (*(u_short *)(P) |= (V))
86 * atomic_clear_short(P, V) (*(u_short *)(P) &= ~(V))
87 * atomic_add_short(P, V) (*(u_short *)(P) += (V))
88 * atomic_subtract_short(P, V) (*(u_short *)(P) -= (V))
90 * atomic_set_int(P, V) (*(u_int *)(P) |= (V))
91 * atomic_clear_int(P, V) (*(u_int *)(P) &= ~(V))
92 * atomic_add_int(P, V) (*(u_int *)(P) += (V))
93 * atomic_subtract_int(P, V) (*(u_int *)(P) -= (V))
94 * atomic_swap_int(P, V) (return (*(u_int *)(P)); *(u_int *)(P) = (V);)
95 * atomic_readandclear_int(P) (return (*(u_int *)(P)); *(u_int *)(P) = 0;)
97 * atomic_set_long(P, V) (*(u_long *)(P) |= (V))
98 * atomic_clear_long(P, V) (*(u_long *)(P) &= ~(V))
99 * atomic_add_long(P, V) (*(u_long *)(P) += (V))
100 * atomic_subtract_long(P, V) (*(u_long *)(P) -= (V))
101 * atomic_swap_long(P, V) (return (*(u_long *)(P)); *(u_long *)(P) = (V);)
102 * atomic_readandclear_long(P) (return (*(u_long *)(P)); *(u_long *)(P) = 0;)
105 #if !defined(__GNUCLIKE_ASM)
106 #define ATOMIC_ASM(NAME, TYPE, OP, CONS, V) \
107 void atomic_##NAME##_##TYPE(volatile u_##TYPE *p, u_##TYPE v); \
108 void atomic_##NAME##_barr_##TYPE(volatile u_##TYPE *p, u_##TYPE v)
110 int atomic_cmpset_char(volatile u_char *dst, u_char expect, u_char src);
111 int atomic_cmpset_short(volatile u_short *dst, u_short expect, u_short src);
112 int atomic_cmpset_int(volatile u_int *dst, u_int expect, u_int src);
113 int atomic_cmpset_long(volatile u_long *dst, u_long expect, u_long src);
114 int atomic_fcmpset_char(volatile u_char *dst, u_char *expect, u_char src);
115 int atomic_fcmpset_short(volatile u_short *dst, u_short *expect,
117 int atomic_fcmpset_int(volatile u_int *dst, u_int *expect, u_int src);
118 int atomic_fcmpset_long(volatile u_long *dst, u_long *expect, u_long src);
119 u_int atomic_fetchadd_int(volatile u_int *p, u_int v);
120 u_long atomic_fetchadd_long(volatile u_long *p, u_long v);
121 int atomic_testandset_int(volatile u_int *p, u_int v);
122 int atomic_testandset_long(volatile u_long *p, u_int v);
123 int atomic_testandclear_int(volatile u_int *p, u_int v);
124 int atomic_testandclear_long(volatile u_long *p, u_int v);
125 void atomic_thread_fence_acq(void);
126 void atomic_thread_fence_acq_rel(void);
127 void atomic_thread_fence_rel(void);
128 void atomic_thread_fence_seq_cst(void);
130 #define ATOMIC_LOAD(TYPE) \
131 u_##TYPE atomic_load_acq_##TYPE(volatile u_##TYPE *p)
132 #define ATOMIC_STORE(TYPE) \
133 void atomic_store_rel_##TYPE(volatile u_##TYPE *p, u_##TYPE v)
135 #else /* !__GNUCLIKE_ASM */
138 * Always use lock prefixes. The result is slighly less optimal for
139 * UP systems, but it matters less now, and sometimes UP is emulated
142 * The assembly is volatilized to avoid code chunk removal by the compiler.
143 * GCC aggressively reorders operations and memory clobbering is necessary
144 * in order to avoid that for memory barriers.
146 #define ATOMIC_ASM(NAME, TYPE, OP, CONS, V) \
147 static __inline void \
148 atomic_##NAME##_##TYPE(volatile u_##TYPE *p, u_##TYPE v)\
150 __asm __volatile("lock; " OP \
156 static __inline void \
157 atomic_##NAME##_barr_##TYPE(volatile u_##TYPE *p, u_##TYPE v)\
159 __asm __volatile("lock; " OP \
167 * Atomic compare and set, used by the mutex functions.
170 * if (*dst == expect)
174 * if (*dst == *expect)
179 * Returns 0 on failure, non-zero on success.
181 #define ATOMIC_CMPSET(TYPE) \
182 static __inline int \
183 atomic_cmpset_##TYPE(volatile u_##TYPE *dst, u_##TYPE expect, u_##TYPE src) \
188 " lock; cmpxchg %3,%1 ; " \
189 "# atomic_cmpset_" #TYPE " " \
190 : "=@cce" (res), /* 0 */ \
191 "+m" (*dst), /* 1 */ \
192 "+a" (expect) /* 2 */ \
193 : "r" (src) /* 3 */ \
198 static __inline int \
199 atomic_fcmpset_##TYPE(volatile u_##TYPE *dst, u_##TYPE *expect, u_##TYPE src) \
204 " lock; cmpxchg %3,%1 ; " \
205 "# atomic_fcmpset_" #TYPE " " \
206 : "=@cce" (res), /* 0 */ \
207 "+m" (*dst), /* 1 */ \
208 "+a" (*expect) /* 2 */ \
209 : "r" (src) /* 3 */ \
215 ATOMIC_CMPSET(short);
220 * Atomically add the value of v to the integer pointed to by p and return
221 * the previous value of *p.
223 static __inline u_int
224 atomic_fetchadd_int(volatile u_int *p, u_int v)
228 " lock; xaddl %0,%1 ; "
229 "# atomic_fetchadd_int"
237 * Atomically add the value of v to the long integer pointed to by p and return
238 * the previous value of *p.
240 static __inline u_long
241 atomic_fetchadd_long(volatile u_long *p, u_long v)
245 " lock; xaddq %0,%1 ; "
246 "# atomic_fetchadd_long"
254 atomic_testandset_int(volatile u_int *p, u_int v)
259 " lock; btsl %2,%1 ; "
260 "# atomic_testandset_int"
261 : "=@ccc" (res), /* 0 */
263 : "Ir" (v & 0x1f) /* 2 */
269 atomic_testandset_long(volatile u_long *p, u_int v)
274 " lock; btsq %2,%1 ; "
275 "# atomic_testandset_long"
276 : "=@ccc" (res), /* 0 */
278 : "Jr" ((u_long)(v & 0x3f)) /* 2 */
284 atomic_testandclear_int(volatile u_int *p, u_int v)
289 " lock; btrl %2,%1 ; "
290 "# atomic_testandclear_int"
291 : "=@ccc" (res), /* 0 */
293 : "Ir" (v & 0x1f) /* 2 */
299 atomic_testandclear_long(volatile u_long *p, u_int v)
304 " lock; btrq %2,%1 ; "
305 "# atomic_testandclear_long"
306 : "=@ccc" (res), /* 0 */
308 : "Jr" ((u_long)(v & 0x3f)) /* 2 */
314 * We assume that a = b will do atomic loads and stores. Due to the
315 * IA32 memory model, a simple store guarantees release semantics.
317 * However, a load may pass a store if they are performed on distinct
318 * addresses, so we need a Store/Load barrier for sequentially
319 * consistent fences in SMP kernels. We use "lock addl $0,mem" for a
320 * Store/Load barrier, as recommended by the AMD Software Optimization
321 * Guide, and not mfence. To avoid false data dependencies, we use a
322 * special address for "mem". In the kernel, we use a private per-cpu
323 * cache line. In user space, we use a word in the stack's red zone
328 __storeload_barrier(void)
331 __asm __volatile("lock; addl $0,%%gs:%0"
332 : "+m" (*(u_int *)OFFSETOF_MONITORBUF) : : "memory", "cc");
334 __asm __volatile("lock; addl $0,-8(%%rsp)" : : : "memory", "cc");
338 #define ATOMIC_LOAD(TYPE) \
339 static __inline u_##TYPE \
340 atomic_load_acq_##TYPE(volatile u_##TYPE *p) \
345 __compiler_membar(); \
350 #define ATOMIC_STORE(TYPE) \
351 static __inline void \
352 atomic_store_rel_##TYPE(volatile u_##TYPE *p, u_##TYPE v) \
355 __compiler_membar(); \
361 atomic_thread_fence_acq(void)
368 atomic_thread_fence_rel(void)
375 atomic_thread_fence_acq_rel(void)
382 atomic_thread_fence_seq_cst(void)
385 __storeload_barrier();
388 #endif /* !__GNUCLIKE_ASM */
390 ATOMIC_ASM(set, char, "orb %b1,%0", "iq", v);
391 ATOMIC_ASM(clear, char, "andb %b1,%0", "iq", ~v);
392 ATOMIC_ASM(add, char, "addb %b1,%0", "iq", v);
393 ATOMIC_ASM(subtract, char, "subb %b1,%0", "iq", v);
395 ATOMIC_ASM(set, short, "orw %w1,%0", "ir", v);
396 ATOMIC_ASM(clear, short, "andw %w1,%0", "ir", ~v);
397 ATOMIC_ASM(add, short, "addw %w1,%0", "ir", v);
398 ATOMIC_ASM(subtract, short, "subw %w1,%0", "ir", v);
400 ATOMIC_ASM(set, int, "orl %1,%0", "ir", v);
401 ATOMIC_ASM(clear, int, "andl %1,%0", "ir", ~v);
402 ATOMIC_ASM(add, int, "addl %1,%0", "ir", v);
403 ATOMIC_ASM(subtract, int, "subl %1,%0", "ir", v);
405 ATOMIC_ASM(set, long, "orq %1,%0", "er", v);
406 ATOMIC_ASM(clear, long, "andq %1,%0", "er", ~v);
407 ATOMIC_ASM(add, long, "addq %1,%0", "er", v);
408 ATOMIC_ASM(subtract, long, "subq %1,%0", "er", v);
410 #define ATOMIC_LOADSTORE(TYPE) \
414 ATOMIC_LOADSTORE(char);
415 ATOMIC_LOADSTORE(short);
416 ATOMIC_LOADSTORE(int);
417 ATOMIC_LOADSTORE(long);
422 #undef ATOMIC_LOADSTORE
423 #ifndef WANT_FUNCTIONS
425 /* Read the current value and store a new value in the destination. */
426 #ifdef __GNUCLIKE_ASM
428 static __inline u_int
429 atomic_swap_int(volatile u_int *p, u_int v)
440 static __inline u_long
441 atomic_swap_long(volatile u_long *p, u_long v)
452 #else /* !__GNUCLIKE_ASM */
454 u_int atomic_swap_int(volatile u_int *p, u_int v);
455 u_long atomic_swap_long(volatile u_long *p, u_long v);
457 #endif /* __GNUCLIKE_ASM */
459 #define atomic_set_acq_char atomic_set_barr_char
460 #define atomic_set_rel_char atomic_set_barr_char
461 #define atomic_clear_acq_char atomic_clear_barr_char
462 #define atomic_clear_rel_char atomic_clear_barr_char
463 #define atomic_add_acq_char atomic_add_barr_char
464 #define atomic_add_rel_char atomic_add_barr_char
465 #define atomic_subtract_acq_char atomic_subtract_barr_char
466 #define atomic_subtract_rel_char atomic_subtract_barr_char
467 #define atomic_cmpset_acq_char atomic_cmpset_char
468 #define atomic_cmpset_rel_char atomic_cmpset_char
469 #define atomic_fcmpset_acq_char atomic_fcmpset_char
470 #define atomic_fcmpset_rel_char atomic_fcmpset_char
472 #define atomic_set_acq_short atomic_set_barr_short
473 #define atomic_set_rel_short atomic_set_barr_short
474 #define atomic_clear_acq_short atomic_clear_barr_short
475 #define atomic_clear_rel_short atomic_clear_barr_short
476 #define atomic_add_acq_short atomic_add_barr_short
477 #define atomic_add_rel_short atomic_add_barr_short
478 #define atomic_subtract_acq_short atomic_subtract_barr_short
479 #define atomic_subtract_rel_short atomic_subtract_barr_short
480 #define atomic_cmpset_acq_short atomic_cmpset_short
481 #define atomic_cmpset_rel_short atomic_cmpset_short
482 #define atomic_fcmpset_acq_short atomic_fcmpset_short
483 #define atomic_fcmpset_rel_short atomic_fcmpset_short
485 #define atomic_set_acq_int atomic_set_barr_int
486 #define atomic_set_rel_int atomic_set_barr_int
487 #define atomic_clear_acq_int atomic_clear_barr_int
488 #define atomic_clear_rel_int atomic_clear_barr_int
489 #define atomic_add_acq_int atomic_add_barr_int
490 #define atomic_add_rel_int atomic_add_barr_int
491 #define atomic_subtract_acq_int atomic_subtract_barr_int
492 #define atomic_subtract_rel_int atomic_subtract_barr_int
493 #define atomic_cmpset_acq_int atomic_cmpset_int
494 #define atomic_cmpset_rel_int atomic_cmpset_int
495 #define atomic_fcmpset_acq_int atomic_fcmpset_int
496 #define atomic_fcmpset_rel_int atomic_fcmpset_int
498 #define atomic_set_acq_long atomic_set_barr_long
499 #define atomic_set_rel_long atomic_set_barr_long
500 #define atomic_clear_acq_long atomic_clear_barr_long
501 #define atomic_clear_rel_long atomic_clear_barr_long
502 #define atomic_add_acq_long atomic_add_barr_long
503 #define atomic_add_rel_long atomic_add_barr_long
504 #define atomic_subtract_acq_long atomic_subtract_barr_long
505 #define atomic_subtract_rel_long atomic_subtract_barr_long
506 #define atomic_cmpset_acq_long atomic_cmpset_long
507 #define atomic_cmpset_rel_long atomic_cmpset_long
508 #define atomic_fcmpset_acq_long atomic_fcmpset_long
509 #define atomic_fcmpset_rel_long atomic_fcmpset_long
511 #define atomic_readandclear_int(p) atomic_swap_int(p, 0)
512 #define atomic_readandclear_long(p) atomic_swap_long(p, 0)
513 #define atomic_testandset_acq_long atomic_testandset_long
515 /* Operations on 8-bit bytes. */
516 #define atomic_set_8 atomic_set_char
517 #define atomic_set_acq_8 atomic_set_acq_char
518 #define atomic_set_rel_8 atomic_set_rel_char
519 #define atomic_clear_8 atomic_clear_char
520 #define atomic_clear_acq_8 atomic_clear_acq_char
521 #define atomic_clear_rel_8 atomic_clear_rel_char
522 #define atomic_add_8 atomic_add_char
523 #define atomic_add_acq_8 atomic_add_acq_char
524 #define atomic_add_rel_8 atomic_add_rel_char
525 #define atomic_subtract_8 atomic_subtract_char
526 #define atomic_subtract_acq_8 atomic_subtract_acq_char
527 #define atomic_subtract_rel_8 atomic_subtract_rel_char
528 #define atomic_load_acq_8 atomic_load_acq_char
529 #define atomic_store_rel_8 atomic_store_rel_char
530 #define atomic_cmpset_8 atomic_cmpset_char
531 #define atomic_cmpset_acq_8 atomic_cmpset_acq_char
532 #define atomic_cmpset_rel_8 atomic_cmpset_rel_char
533 #define atomic_fcmpset_8 atomic_fcmpset_char
534 #define atomic_fcmpset_acq_8 atomic_fcmpset_acq_char
535 #define atomic_fcmpset_rel_8 atomic_fcmpset_rel_char
537 /* Operations on 16-bit words. */
538 #define atomic_set_16 atomic_set_short
539 #define atomic_set_acq_16 atomic_set_acq_short
540 #define atomic_set_rel_16 atomic_set_rel_short
541 #define atomic_clear_16 atomic_clear_short
542 #define atomic_clear_acq_16 atomic_clear_acq_short
543 #define atomic_clear_rel_16 atomic_clear_rel_short
544 #define atomic_add_16 atomic_add_short
545 #define atomic_add_acq_16 atomic_add_acq_short
546 #define atomic_add_rel_16 atomic_add_rel_short
547 #define atomic_subtract_16 atomic_subtract_short
548 #define atomic_subtract_acq_16 atomic_subtract_acq_short
549 #define atomic_subtract_rel_16 atomic_subtract_rel_short
550 #define atomic_load_acq_16 atomic_load_acq_short
551 #define atomic_store_rel_16 atomic_store_rel_short
552 #define atomic_cmpset_16 atomic_cmpset_short
553 #define atomic_cmpset_acq_16 atomic_cmpset_acq_short
554 #define atomic_cmpset_rel_16 atomic_cmpset_rel_short
555 #define atomic_fcmpset_16 atomic_fcmpset_short
556 #define atomic_fcmpset_acq_16 atomic_fcmpset_acq_short
557 #define atomic_fcmpset_rel_16 atomic_fcmpset_rel_short
559 /* Operations on 32-bit double words. */
560 #define atomic_set_32 atomic_set_int
561 #define atomic_set_acq_32 atomic_set_acq_int
562 #define atomic_set_rel_32 atomic_set_rel_int
563 #define atomic_clear_32 atomic_clear_int
564 #define atomic_clear_acq_32 atomic_clear_acq_int
565 #define atomic_clear_rel_32 atomic_clear_rel_int
566 #define atomic_add_32 atomic_add_int
567 #define atomic_add_acq_32 atomic_add_acq_int
568 #define atomic_add_rel_32 atomic_add_rel_int
569 #define atomic_subtract_32 atomic_subtract_int
570 #define atomic_subtract_acq_32 atomic_subtract_acq_int
571 #define atomic_subtract_rel_32 atomic_subtract_rel_int
572 #define atomic_load_acq_32 atomic_load_acq_int
573 #define atomic_store_rel_32 atomic_store_rel_int
574 #define atomic_cmpset_32 atomic_cmpset_int
575 #define atomic_cmpset_acq_32 atomic_cmpset_acq_int
576 #define atomic_cmpset_rel_32 atomic_cmpset_rel_int
577 #define atomic_fcmpset_32 atomic_fcmpset_int
578 #define atomic_fcmpset_acq_32 atomic_fcmpset_acq_int
579 #define atomic_fcmpset_rel_32 atomic_fcmpset_rel_int
580 #define atomic_swap_32 atomic_swap_int
581 #define atomic_readandclear_32 atomic_readandclear_int
582 #define atomic_fetchadd_32 atomic_fetchadd_int
583 #define atomic_testandset_32 atomic_testandset_int
584 #define atomic_testandclear_32 atomic_testandclear_int
586 /* Operations on 64-bit quad words. */
587 #define atomic_set_64 atomic_set_long
588 #define atomic_set_acq_64 atomic_set_acq_long
589 #define atomic_set_rel_64 atomic_set_rel_long
590 #define atomic_clear_64 atomic_clear_long
591 #define atomic_clear_acq_64 atomic_clear_acq_long
592 #define atomic_clear_rel_64 atomic_clear_rel_long
593 #define atomic_add_64 atomic_add_long
594 #define atomic_add_acq_64 atomic_add_acq_long
595 #define atomic_add_rel_64 atomic_add_rel_long
596 #define atomic_subtract_64 atomic_subtract_long
597 #define atomic_subtract_acq_64 atomic_subtract_acq_long
598 #define atomic_subtract_rel_64 atomic_subtract_rel_long
599 #define atomic_load_acq_64 atomic_load_acq_long
600 #define atomic_store_rel_64 atomic_store_rel_long
601 #define atomic_cmpset_64 atomic_cmpset_long
602 #define atomic_cmpset_acq_64 atomic_cmpset_acq_long
603 #define atomic_cmpset_rel_64 atomic_cmpset_rel_long
604 #define atomic_fcmpset_64 atomic_fcmpset_long
605 #define atomic_fcmpset_acq_64 atomic_fcmpset_acq_long
606 #define atomic_fcmpset_rel_64 atomic_fcmpset_rel_long
607 #define atomic_swap_64 atomic_swap_long
608 #define atomic_readandclear_64 atomic_readandclear_long
609 #define atomic_fetchadd_64 atomic_fetchadd_long
610 #define atomic_testandset_64 atomic_testandset_long
611 #define atomic_testandclear_64 atomic_testandclear_long
613 /* Operations on pointers. */
614 #define atomic_set_ptr atomic_set_long
615 #define atomic_set_acq_ptr atomic_set_acq_long
616 #define atomic_set_rel_ptr atomic_set_rel_long
617 #define atomic_clear_ptr atomic_clear_long
618 #define atomic_clear_acq_ptr atomic_clear_acq_long
619 #define atomic_clear_rel_ptr atomic_clear_rel_long
620 #define atomic_add_ptr atomic_add_long
621 #define atomic_add_acq_ptr atomic_add_acq_long
622 #define atomic_add_rel_ptr atomic_add_rel_long
623 #define atomic_subtract_ptr atomic_subtract_long
624 #define atomic_subtract_acq_ptr atomic_subtract_acq_long
625 #define atomic_subtract_rel_ptr atomic_subtract_rel_long
626 #define atomic_load_acq_ptr atomic_load_acq_long
627 #define atomic_store_rel_ptr atomic_store_rel_long
628 #define atomic_cmpset_ptr atomic_cmpset_long
629 #define atomic_cmpset_acq_ptr atomic_cmpset_acq_long
630 #define atomic_cmpset_rel_ptr atomic_cmpset_rel_long
631 #define atomic_fcmpset_ptr atomic_fcmpset_long
632 #define atomic_fcmpset_acq_ptr atomic_fcmpset_acq_long
633 #define atomic_fcmpset_rel_ptr atomic_fcmpset_rel_long
634 #define atomic_swap_ptr atomic_swap_long
635 #define atomic_readandclear_ptr atomic_readandclear_long
637 #endif /* !WANT_FUNCTIONS */
639 #endif /* !SAN_NEEDS_INTERCEPTORS || SAN_RUNTIME */
641 #endif /* !_MACHINE_ATOMIC_H_ */