Move atomic ops and related files to base library

src/atomicops_internals_tsan.h

-// Copyright 2012 the V8 project authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-
-// This file is an internal atomic implementation for compiler-based
-// ThreadSanitizer. Use base/atomicops.h instead.
-
-#ifndef V8_ATOMICOPS_INTERNALS_TSAN_H_
-#define V8_ATOMICOPS_INTERNALS_TSAN_H_
-
-namespace v8 {
-namespace internal {
-
-#ifndef TSAN_INTERFACE_ATOMIC_H
-#define TSAN_INTERFACE_ATOMIC_H
-
-// This struct is not part of the public API of this module; clients may not
-// use it.  (However, it's exported via BASE_EXPORT because clients implicitly
-// do use it at link time by inlining these functions.)
-// Features of this x86.  Values may not be correct before main() is run,
-// but are set conservatively.
-struct AtomicOps_x86CPUFeatureStruct {
-  bool has_amd_lock_mb_bug;  // Processor has AMD memory-barrier bug; do lfence
-                             // after acquire compare-and-swap.
-  bool has_sse2;             // Processor has SSE2.
-};
-extern struct AtomicOps_x86CPUFeatureStruct
-    AtomicOps_Internalx86CPUFeatures;
-
-#define ATOMICOPS_COMPILER_BARRIER() __asm__ __volatile__("" : : : "memory")
-
-extern "C" {
-typedef char  __tsan_atomic8;
-typedef short __tsan_atomic16;  // NOLINT
-typedef int   __tsan_atomic32;
-typedef long  __tsan_atomic64;  // NOLINT
-
-#if defined(__SIZEOF_INT128__) \
-    || (__clang_major__ * 100 + __clang_minor__ >= 302)
-typedef __int128 __tsan_atomic128;
-#define __TSAN_HAS_INT128 1
-#else
-typedef char     __tsan_atomic128;
-#define __TSAN_HAS_INT128 0
-#endif
-
-typedef enum {
-  __tsan_memory_order_relaxed,
-  __tsan_memory_order_consume,
-  __tsan_memory_order_acquire,
-  __tsan_memory_order_release,
-  __tsan_memory_order_acq_rel,
-  __tsan_memory_order_seq_cst,
-} __tsan_memory_order;
-
-__tsan_atomic8 __tsan_atomic8_load(const volatile __tsan_atomic8* a,
-    __tsan_memory_order mo);
-__tsan_atomic16 __tsan_atomic16_load(const volatile __tsan_atomic16* a,
-    __tsan_memory_order mo);
-__tsan_atomic32 __tsan_atomic32_load(const volatile __tsan_atomic32* a,
-    __tsan_memory_order mo);
-__tsan_atomic64 __tsan_atomic64_load(const volatile __tsan_atomic64* a,
-    __tsan_memory_order mo);
-__tsan_atomic128 __tsan_atomic128_load(const volatile __tsan_atomic128* a,
-    __tsan_memory_order mo);
-
-void __tsan_atomic8_store(volatile __tsan_atomic8* a, __tsan_atomic8 v,
-    __tsan_memory_order mo);
-void __tsan_atomic16_store(volatile __tsan_atomic16* a, __tsan_atomic16 v,
-    __tsan_memory_order mo);
-void __tsan_atomic32_store(volatile __tsan_atomic32* a, __tsan_atomic32 v,
-    __tsan_memory_order mo);
-void __tsan_atomic64_store(volatile __tsan_atomic64* a, __tsan_atomic64 v,
-    __tsan_memory_order mo);
-void __tsan_atomic128_store(volatile __tsan_atomic128* a, __tsan_atomic128 v,
-    __tsan_memory_order mo);
-
-__tsan_atomic8 __tsan_atomic8_exchange(volatile __tsan_atomic8* a,
-    __tsan_atomic8 v, __tsan_memory_order mo);
-__tsan_atomic16 __tsan_atomic16_exchange(volatile __tsan_atomic16* a,
-    __tsan_atomic16 v, __tsan_memory_order mo);
-__tsan_atomic32 __tsan_atomic32_exchange(volatile __tsan_atomic32* a,
-    __tsan_atomic32 v, __tsan_memory_order mo);
-__tsan_atomic64 __tsan_atomic64_exchange(volatile __tsan_atomic64* a,
-    __tsan_atomic64 v, __tsan_memory_order mo);
-__tsan_atomic128 __tsan_atomic128_exchange(volatile __tsan_atomic128* a,
-    __tsan_atomic128 v, __tsan_memory_order mo);
-
-__tsan_atomic8 __tsan_atomic8_fetch_add(volatile __tsan_atomic8* a,
-    __tsan_atomic8 v, __tsan_memory_order mo);
-__tsan_atomic16 __tsan_atomic16_fetch_add(volatile __tsan_atomic16* a,
-    __tsan_atomic16 v, __tsan_memory_order mo);
-__tsan_atomic32 __tsan_atomic32_fetch_add(volatile __tsan_atomic32* a,
-    __tsan_atomic32 v, __tsan_memory_order mo);
-__tsan_atomic64 __tsan_atomic64_fetch_add(volatile __tsan_atomic64* a,
-    __tsan_atomic64 v, __tsan_memory_order mo);
-__tsan_atomic128 __tsan_atomic128_fetch_add(volatile __tsan_atomic128* a,
-    __tsan_atomic128 v, __tsan_memory_order mo);
-
-__tsan_atomic8 __tsan_atomic8_fetch_and(volatile __tsan_atomic8* a,
-    __tsan_atomic8 v, __tsan_memory_order mo);
-__tsan_atomic16 __tsan_atomic16_fetch_and(volatile __tsan_atomic16* a,
-    __tsan_atomic16 v, __tsan_memory_order mo);
-__tsan_atomic32 __tsan_atomic32_fetch_and(volatile __tsan_atomic32* a,
-    __tsan_atomic32 v, __tsan_memory_order mo);
-__tsan_atomic64 __tsan_atomic64_fetch_and(volatile __tsan_atomic64* a,
-    __tsan_atomic64 v, __tsan_memory_order mo);
-__tsan_atomic128 __tsan_atomic128_fetch_and(volatile __tsan_atomic128* a,
-    __tsan_atomic128 v, __tsan_memory_order mo);
-
-__tsan_atomic8 __tsan_atomic8_fetch_or(volatile __tsan_atomic8* a,
-    __tsan_atomic8 v, __tsan_memory_order mo);
-__tsan_atomic16 __tsan_atomic16_fetch_or(volatile __tsan_atomic16* a,
-    __tsan_atomic16 v, __tsan_memory_order mo);
-__tsan_atomic32 __tsan_atomic32_fetch_or(volatile __tsan_atomic32* a,
-    __tsan_atomic32 v, __tsan_memory_order mo);
-__tsan_atomic64 __tsan_atomic64_fetch_or(volatile __tsan_atomic64* a,
-    __tsan_atomic64 v, __tsan_memory_order mo);
-__tsan_atomic128 __tsan_atomic128_fetch_or(volatile __tsan_atomic128* a,
-    __tsan_atomic128 v, __tsan_memory_order mo);
-
-__tsan_atomic8 __tsan_atomic8_fetch_xor(volatile __tsan_atomic8* a,
-    __tsan_atomic8 v, __tsan_memory_order mo);
-__tsan_atomic16 __tsan_atomic16_fetch_xor(volatile __tsan_atomic16* a,
-    __tsan_atomic16 v, __tsan_memory_order mo);
-__tsan_atomic32 __tsan_atomic32_fetch_xor(volatile __tsan_atomic32* a,
-    __tsan_atomic32 v, __tsan_memory_order mo);
-__tsan_atomic64 __tsan_atomic64_fetch_xor(volatile __tsan_atomic64* a,
-    __tsan_atomic64 v, __tsan_memory_order mo);
-__tsan_atomic128 __tsan_atomic128_fetch_xor(volatile __tsan_atomic128* a,
-    __tsan_atomic128 v, __tsan_memory_order mo);
-
-__tsan_atomic8 __tsan_atomic8_fetch_nand(volatile __tsan_atomic8* a,
-    __tsan_atomic8 v, __tsan_memory_order mo);
-__tsan_atomic16 __tsan_atomic16_fetch_nand(volatile __tsan_atomic16* a,
-    __tsan_atomic16 v, __tsan_memory_order mo);
-__tsan_atomic32 __tsan_atomic32_fetch_nand(volatile __tsan_atomic32* a,
-    __tsan_atomic32 v, __tsan_memory_order mo);
-__tsan_atomic64 __tsan_atomic64_fetch_nand(volatile __tsan_atomic64* a,
-    __tsan_atomic64 v, __tsan_memory_order mo);
-__tsan_atomic128 __tsan_atomic128_fetch_nand(volatile __tsan_atomic128* a,
-    __tsan_atomic128 v, __tsan_memory_order mo);
-
-int __tsan_atomic8_compare_exchange_weak(volatile __tsan_atomic8* a,
-    __tsan_atomic8* c, __tsan_atomic8 v, __tsan_memory_order mo,
-    __tsan_memory_order fail_mo);
-int __tsan_atomic16_compare_exchange_weak(volatile __tsan_atomic16* a,
-    __tsan_atomic16* c, __tsan_atomic16 v, __tsan_memory_order mo,
-    __tsan_memory_order fail_mo);
-int __tsan_atomic32_compare_exchange_weak(volatile __tsan_atomic32* a,
-    __tsan_atomic32* c, __tsan_atomic32 v, __tsan_memory_order mo,
-    __tsan_memory_order fail_mo);
-int __tsan_atomic64_compare_exchange_weak(volatile __tsan_atomic64* a,
-    __tsan_atomic64* c, __tsan_atomic64 v, __tsan_memory_order mo,
-    __tsan_memory_order fail_mo);
-int __tsan_atomic128_compare_exchange_weak(volatile __tsan_atomic128* a,
-    __tsan_atomic128* c, __tsan_atomic128 v, __tsan_memory_order mo,
-    __tsan_memory_order fail_mo);
-
-int __tsan_atomic8_compare_exchange_strong(volatile __tsan_atomic8* a,
-    __tsan_atomic8* c, __tsan_atomic8 v, __tsan_memory_order mo,
-    __tsan_memory_order fail_mo);
-int __tsan_atomic16_compare_exchange_strong(volatile __tsan_atomic16* a,
-    __tsan_atomic16* c, __tsan_atomic16 v, __tsan_memory_order mo,
-    __tsan_memory_order fail_mo);
-int __tsan_atomic32_compare_exchange_strong(volatile __tsan_atomic32* a,
-    __tsan_atomic32* c, __tsan_atomic32 v, __tsan_memory_order mo,
-    __tsan_memory_order fail_mo);
-int __tsan_atomic64_compare_exchange_strong(volatile __tsan_atomic64* a,
-    __tsan_atomic64* c, __tsan_atomic64 v, __tsan_memory_order mo,
-    __tsan_memory_order fail_mo);
-int __tsan_atomic128_compare_exchange_strong(volatile __tsan_atomic128* a,
-    __tsan_atomic128* c, __tsan_atomic128 v, __tsan_memory_order mo,
-    __tsan_memory_order fail_mo);
-
-__tsan_atomic8 __tsan_atomic8_compare_exchange_val(
-    volatile __tsan_atomic8* a, __tsan_atomic8 c, __tsan_atomic8 v,
-    __tsan_memory_order mo, __tsan_memory_order fail_mo);
-__tsan_atomic16 __tsan_atomic16_compare_exchange_val(
-    volatile __tsan_atomic16* a, __tsan_atomic16 c, __tsan_atomic16 v,
-    __tsan_memory_order mo, __tsan_memory_order fail_mo);
-__tsan_atomic32 __tsan_atomic32_compare_exchange_val(
-    volatile __tsan_atomic32* a, __tsan_atomic32 c, __tsan_atomic32 v,
-    __tsan_memory_order mo, __tsan_memory_order fail_mo);
-__tsan_atomic64 __tsan_atomic64_compare_exchange_val(
-    volatile __tsan_atomic64* a, __tsan_atomic64 c, __tsan_atomic64 v,
-    __tsan_memory_order mo, __tsan_memory_order fail_mo);
-__tsan_atomic128 __tsan_atomic128_compare_exchange_val(
-    volatile __tsan_atomic128* a, __tsan_atomic128 c, __tsan_atomic128 v,
-    __tsan_memory_order mo, __tsan_memory_order fail_mo);
-
-void __tsan_atomic_thread_fence(__tsan_memory_order mo);
-void __tsan_atomic_signal_fence(__tsan_memory_order mo);
-}  // extern "C"
-
-#endif  // #ifndef TSAN_INTERFACE_ATOMIC_H
-
-inline Atomic32 NoBarrier_CompareAndSwap(volatile Atomic32* ptr,
-                                         Atomic32 old_value,
-                                         Atomic32 new_value) {
-  Atomic32 cmp = old_value;
-  __tsan_atomic32_compare_exchange_strong(ptr, &cmp, new_value,
-      __tsan_memory_order_relaxed, __tsan_memory_order_relaxed);
-  return cmp;
-}
-
-inline Atomic32 NoBarrier_AtomicExchange(volatile Atomic32* ptr,
-                                         Atomic32 new_value) {
-  return __tsan_atomic32_exchange(ptr, new_value,
-      __tsan_memory_order_relaxed);
-}
-
-inline Atomic32 Acquire_AtomicExchange(volatile Atomic32* ptr,
-                                       Atomic32 new_value) {
-  return __tsan_atomic32_exchange(ptr, new_value,
-      __tsan_memory_order_acquire);
-}
-
-inline Atomic32 Release_AtomicExchange(volatile Atomic32* ptr,
-                                       Atomic32 new_value) {
-  return __tsan_atomic32_exchange(ptr, new_value,
-      __tsan_memory_order_release);
-}
-
-inline Atomic32 NoBarrier_AtomicIncrement(volatile Atomic32* ptr,
-                                          Atomic32 increment) {
-  return increment + __tsan_atomic32_fetch_add(ptr, increment,
-      __tsan_memory_order_relaxed);
-}
-
-inline Atomic32 Barrier_AtomicIncrement(volatile Atomic32* ptr,
-                                        Atomic32 increment) {
-  return increment + __tsan_atomic32_fetch_add(ptr, increment,
-      __tsan_memory_order_acq_rel);
-}
-
-inline Atomic32 Acquire_CompareAndSwap(volatile Atomic32* ptr,
-                                       Atomic32 old_value,
-                                       Atomic32 new_value) {
-  Atomic32 cmp = old_value;
-  __tsan_atomic32_compare_exchange_strong(ptr, &cmp, new_value,
-      __tsan_memory_order_acquire, __tsan_memory_order_acquire);
-  return cmp;
-}
-
-inline Atomic32 Release_CompareAndSwap(volatile Atomic32* ptr,
-                                       Atomic32 old_value,
-                                       Atomic32 new_value) {
-  Atomic32 cmp = old_value;
-  __tsan_atomic32_compare_exchange_strong(ptr, &cmp, new_value,
-      __tsan_memory_order_release, __tsan_memory_order_relaxed);
-  return cmp;
-}
-
-inline void NoBarrier_Store(volatile Atomic8* ptr, Atomic8 value) {
-  __tsan_atomic8_store(ptr, value, __tsan_memory_order_relaxed);
-}
-
-inline void NoBarrier_Store(volatile Atomic32* ptr, Atomic32 value) {
-  __tsan_atomic32_store(ptr, value, __tsan_memory_order_relaxed);
-}
-
-inline void Acquire_Store(volatile Atomic32* ptr, Atomic32 value) {
-  __tsan_atomic32_store(ptr, value, __tsan_memory_order_relaxed);
-  __tsan_atomic_thread_fence(__tsan_memory_order_seq_cst);
-}
-
-inline void Release_Store(volatile Atomic32* ptr, Atomic32 value) {
-  __tsan_atomic32_store(ptr, value, __tsan_memory_order_release);
-}
-
-inline Atomic8 NoBarrier_Load(volatile const Atomic8* ptr) {
-  return __tsan_atomic8_load(ptr, __tsan_memory_order_relaxed);
-}
-
-inline Atomic32 NoBarrier_Load(volatile const Atomic32* ptr) {
-  return __tsan_atomic32_load(ptr, __tsan_memory_order_relaxed);
-}
-
-inline Atomic32 Acquire_Load(volatile const Atomic32* ptr) {
-  return __tsan_atomic32_load(ptr, __tsan_memory_order_acquire);
-}
-
-inline Atomic32 Release_Load(volatile const Atomic32* ptr) {
-  __tsan_atomic_thread_fence(__tsan_memory_order_seq_cst);
-  return __tsan_atomic32_load(ptr, __tsan_memory_order_relaxed);
-}
-
-inline Atomic64 NoBarrier_CompareAndSwap(volatile Atomic64* ptr,
-                                         Atomic64 old_value,
-                                         Atomic64 new_value) {
-  Atomic64 cmp = old_value;
-  __tsan_atomic64_compare_exchange_strong(ptr, &cmp, new_value,
-      __tsan_memory_order_relaxed, __tsan_memory_order_relaxed);
-  return cmp;
-}
-
-inline Atomic64 NoBarrier_AtomicExchange(volatile Atomic64* ptr,
-                                         Atomic64 new_value) {
-  return __tsan_atomic64_exchange(ptr, new_value, __tsan_memory_order_relaxed);
-}
-
-inline Atomic64 Acquire_AtomicExchange(volatile Atomic64* ptr,
-                                       Atomic64 new_value) {
-  return __tsan_atomic64_exchange(ptr, new_value, __tsan_memory_order_acquire);
-}
-
-inline Atomic64 Release_AtomicExchange(volatile Atomic64* ptr,
-                                       Atomic64 new_value) {
-  return __tsan_atomic64_exchange(ptr, new_value, __tsan_memory_order_release);
-}
-
-inline Atomic64 NoBarrier_AtomicIncrement(volatile Atomic64* ptr,
-                                          Atomic64 increment) {
-  return increment + __tsan_atomic64_fetch_add(ptr, increment,
-      __tsan_memory_order_relaxed);
-}
-
-inline Atomic64 Barrier_AtomicIncrement(volatile Atomic64* ptr,
-                                        Atomic64 increment) {
-  return increment + __tsan_atomic64_fetch_add(ptr, increment,
-      __tsan_memory_order_acq_rel);
-}
-
-inline void NoBarrier_Store(volatile Atomic64* ptr, Atomic64 value) {
-  __tsan_atomic64_store(ptr, value, __tsan_memory_order_relaxed);
-}
-
-inline void Acquire_Store(volatile Atomic64* ptr, Atomic64 value) {
-  __tsan_atomic64_store(ptr, value, __tsan_memory_order_relaxed);
-  __tsan_atomic_thread_fence(__tsan_memory_order_seq_cst);
-}
-
-inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) {
-  __tsan_atomic64_store(ptr, value, __tsan_memory_order_release);
-}
-
-inline Atomic64 NoBarrier_Load(volatile const Atomic64* ptr) {
-  return __tsan_atomic64_load(ptr, __tsan_memory_order_relaxed);
-}
-
-inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) {
-  return __tsan_atomic64_load(ptr, __tsan_memory_order_acquire);
-}
-
-inline Atomic64 Release_Load(volatile const Atomic64* ptr) {
-  __tsan_atomic_thread_fence(__tsan_memory_order_seq_cst);
-  return __tsan_atomic64_load(ptr, __tsan_memory_order_relaxed);
-}
-
-inline Atomic64 Acquire_CompareAndSwap(volatile Atomic64* ptr,
-                                       Atomic64 old_value,
-                                       Atomic64 new_value) {
-  Atomic64 cmp = old_value;
-  __tsan_atomic64_compare_exchange_strong(ptr, &cmp, new_value,
-      __tsan_memory_order_acquire, __tsan_memory_order_acquire);
-  return cmp;
-}
-
-inline Atomic64 Release_CompareAndSwap(volatile Atomic64* ptr,
-                                       Atomic64 old_value,
-                                       Atomic64 new_value) {
-  Atomic64 cmp = old_value;
-  __tsan_atomic64_compare_exchange_strong(ptr, &cmp, new_value,
-      __tsan_memory_order_release, __tsan_memory_order_relaxed);
-  return cmp;
-}
-
-inline void MemoryBarrier() {
-  __tsan_atomic_thread_fence(__tsan_memory_order_seq_cst);
-}
-
-}  // namespace internal
-}  // namespace v8
-
-#undef ATOMICOPS_COMPILER_BARRIER
-
-#endif  // V8_ATOMICOPS_INTERNALS_TSAN_H_