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-rw-r--r--deps/v8/src/runtime/runtime-atomics.cc71
1 files changed, 39 insertions, 32 deletions
diff --git a/deps/v8/src/runtime/runtime-atomics.cc b/deps/v8/src/runtime/runtime-atomics.cc
index 3fd07af255..3fcb9934f9 100644
--- a/deps/v8/src/runtime/runtime-atomics.cc
+++ b/deps/v8/src/runtime/runtime-atomics.cc
@@ -6,6 +6,7 @@
#include "src/base/macros.h"
#include "src/base/platform/mutex.h"
#include "src/conversions-inl.h"
+#include "src/counters.h"
#include "src/heap/factory.h"
#include "src/objects/js-array-buffer-inl.h"
#include "src/runtime/runtime-utils.h"
@@ -97,6 +98,10 @@ inline T XorSeqCst(T* p, T value) {
#define InterlockedOr32 _InterlockedOr
#define InterlockedXor32 _InterlockedXor
+#if defined(V8_HOST_ARCH_ARM64)
+#define InterlockedExchange8 _InterlockedExchange8
+#endif
+
#define ATOMIC_OPS(type, suffix, vctype) \
inline type ExchangeSeqCst(type* p, type value) { \
return InterlockedExchange##suffix(reinterpret_cast<vctype*>(p), \
@@ -160,6 +165,10 @@ inline void StoreSeqCst(T* p, T value) {
#undef InterlockedOr32
#undef InterlockedXor32
+#if defined(V8_HOST_ARCH_ARM64)
+#undef InterlockedExchange8
+#endif
+
#else
#error Unsupported platform!
@@ -209,35 +218,33 @@ inline int64_t FromObject<int64_t>(Handle<Object> bigint) {
return Handle<BigInt>::cast(bigint)->AsInt64();
}
-inline Object* ToObject(Isolate* isolate, int8_t t) { return Smi::FromInt(t); }
+inline Object ToObject(Isolate* isolate, int8_t t) { return Smi::FromInt(t); }
-inline Object* ToObject(Isolate* isolate, uint8_t t) { return Smi::FromInt(t); }
+inline Object ToObject(Isolate* isolate, uint8_t t) { return Smi::FromInt(t); }
-inline Object* ToObject(Isolate* isolate, int16_t t) { return Smi::FromInt(t); }
+inline Object ToObject(Isolate* isolate, int16_t t) { return Smi::FromInt(t); }
-inline Object* ToObject(Isolate* isolate, uint16_t t) {
- return Smi::FromInt(t);
-}
+inline Object ToObject(Isolate* isolate, uint16_t t) { return Smi::FromInt(t); }
-inline Object* ToObject(Isolate* isolate, int32_t t) {
+inline Object ToObject(Isolate* isolate, int32_t t) {
return *isolate->factory()->NewNumber(t);
}
-inline Object* ToObject(Isolate* isolate, uint32_t t) {
+inline Object ToObject(Isolate* isolate, uint32_t t) {
return *isolate->factory()->NewNumber(t);
}
-inline Object* ToObject(Isolate* isolate, int64_t t) {
+inline Object ToObject(Isolate* isolate, int64_t t) {
return *BigInt::FromInt64(isolate, t);
}
-inline Object* ToObject(Isolate* isolate, uint64_t t) {
+inline Object ToObject(Isolate* isolate, uint64_t t) {
return *BigInt::FromUint64(isolate, t);
}
template <typename T>
struct Load {
- static inline Object* Do(Isolate* isolate, void* buffer, size_t index) {
+ static inline Object Do(Isolate* isolate, void* buffer, size_t index) {
T result = LoadSeqCst(static_cast<T*>(buffer) + index);
return ToObject(isolate, result);
}
@@ -254,8 +261,8 @@ struct Store {
template <typename T>
struct Exchange {
- static inline Object* Do(Isolate* isolate, void* buffer, size_t index,
- Handle<Object> obj) {
+ static inline Object Do(Isolate* isolate, void* buffer, size_t index,
+ Handle<Object> obj) {
T value = FromObject<T>(obj);
T result = ExchangeSeqCst(static_cast<T*>(buffer) + index, value);
return ToObject(isolate, result);
@@ -263,8 +270,8 @@ struct Exchange {
};
template <typename T>
-inline Object* DoCompareExchange(Isolate* isolate, void* buffer, size_t index,
- Handle<Object> oldobj, Handle<Object> newobj) {
+inline Object DoCompareExchange(Isolate* isolate, void* buffer, size_t index,
+ Handle<Object> oldobj, Handle<Object> newobj) {
T oldval = FromObject<T>(oldobj);
T newval = FromObject<T>(newobj);
T result =
@@ -274,8 +281,8 @@ inline Object* DoCompareExchange(Isolate* isolate, void* buffer, size_t index,
template <typename T>
struct Add {
- static inline Object* Do(Isolate* isolate, void* buffer, size_t index,
- Handle<Object> obj) {
+ static inline Object Do(Isolate* isolate, void* buffer, size_t index,
+ Handle<Object> obj) {
T value = FromObject<T>(obj);
T result = AddSeqCst(static_cast<T*>(buffer) + index, value);
return ToObject(isolate, result);
@@ -284,8 +291,8 @@ struct Add {
template <typename T>
struct Sub {
- static inline Object* Do(Isolate* isolate, void* buffer, size_t index,
- Handle<Object> obj) {
+ static inline Object Do(Isolate* isolate, void* buffer, size_t index,
+ Handle<Object> obj) {
T value = FromObject<T>(obj);
T result = SubSeqCst(static_cast<T*>(buffer) + index, value);
return ToObject(isolate, result);
@@ -294,8 +301,8 @@ struct Sub {
template <typename T>
struct And {
- static inline Object* Do(Isolate* isolate, void* buffer, size_t index,
- Handle<Object> obj) {
+ static inline Object Do(Isolate* isolate, void* buffer, size_t index,
+ Handle<Object> obj) {
T value = FromObject<T>(obj);
T result = AndSeqCst(static_cast<T*>(buffer) + index, value);
return ToObject(isolate, result);
@@ -304,8 +311,8 @@ struct And {
template <typename T>
struct Or {
- static inline Object* Do(Isolate* isolate, void* buffer, size_t index,
- Handle<Object> obj) {
+ static inline Object Do(Isolate* isolate, void* buffer, size_t index,
+ Handle<Object> obj) {
T value = FromObject<T>(obj);
T result = OrSeqCst(static_cast<T*>(buffer) + index, value);
return ToObject(isolate, result);
@@ -314,8 +321,8 @@ struct Or {
template <typename T>
struct Xor {
- static inline Object* Do(Isolate* isolate, void* buffer, size_t index,
- Handle<Object> obj) {
+ static inline Object Do(Isolate* isolate, void* buffer, size_t index,
+ Handle<Object> obj) {
T value = FromObject<T>(obj);
T result = XorSeqCst(static_cast<T*>(buffer) + index, value);
return ToObject(isolate, result);
@@ -338,7 +345,7 @@ struct Xor {
// but also includes the ToInteger/ToBigInt conversion that's part of
// https://tc39.github.io/ecma262/#sec-atomicreadmodifywrite
template <template <typename> class Op>
-Object* GetModifySetValueInBuffer(Arguments args, Isolate* isolate) {
+Object GetModifySetValueInBuffer(Arguments args, Isolate* isolate) {
HandleScope scope(isolate);
DCHECK_EQ(3, args.length());
CONVERT_ARG_HANDLE_CHECKED(JSTypedArray, sta, 0);
@@ -353,7 +360,7 @@ Object* GetModifySetValueInBuffer(Arguments args, Isolate* isolate) {
Handle<BigInt> bigint;
ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, bigint,
BigInt::FromObject(isolate, value_obj));
- // SharedArrayBuffers are not neuterable.
+ // SharedArrayBuffers are not detachable.
CHECK_LT(index, NumberToSize(sta->length()));
if (sta->type() == kExternalBigInt64Array) {
return Op<int64_t>::Do(isolate, source, index, bigint);
@@ -365,7 +372,7 @@ Object* GetModifySetValueInBuffer(Arguments args, Isolate* isolate) {
Handle<Object> value;
ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, value,
Object::ToInteger(isolate, value_obj));
- // SharedArrayBuffers are not neuterable.
+ // SharedArrayBuffers are not detachable.
CHECK_LT(index, NumberToSize(sta->length()));
switch (sta->type()) {
@@ -395,7 +402,7 @@ RUNTIME_FUNCTION(Runtime_AtomicsLoad64) {
DCHECK(sta->type() == kExternalBigInt64Array ||
sta->type() == kExternalBigUint64Array);
- // SharedArrayBuffers are not neuterable.
+ // SharedArrayBuffers are not detachable.
CHECK_LT(index, NumberToSize(sta->length()));
if (sta->type() == kExternalBigInt64Array) {
return Load<int64_t>::Do(isolate, source, index);
@@ -421,7 +428,7 @@ RUNTIME_FUNCTION(Runtime_AtomicsStore64) {
DCHECK(sta->type() == kExternalBigInt64Array ||
sta->type() == kExternalBigUint64Array);
- // SharedArrayBuffers are not neuterable.
+ // SharedArrayBuffers are not detachable.
CHECK_LT(index, NumberToSize(sta->length()));
if (sta->type() == kExternalBigInt64Array) {
Store<int64_t>::Do(isolate, source, index, bigint);
@@ -456,7 +463,7 @@ RUNTIME_FUNCTION(Runtime_AtomicsCompareExchange) {
isolate, old_bigint, BigInt::FromObject(isolate, old_value_obj));
ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
isolate, new_bigint, BigInt::FromObject(isolate, new_value_obj));
- // SharedArrayBuffers are not neuterable.
+ // SharedArrayBuffers are not detachable.
CHECK_LT(index, NumberToSize(sta->length()));
if (sta->type() == kExternalBigInt64Array) {
return DoCompareExchange<int64_t>(isolate, source, index, old_bigint,
@@ -473,7 +480,7 @@ RUNTIME_FUNCTION(Runtime_AtomicsCompareExchange) {
Object::ToInteger(isolate, old_value_obj));
ASSIGN_RETURN_FAILURE_ON_EXCEPTION(isolate, new_value,
Object::ToInteger(isolate, new_value_obj));
- // SharedArrayBuffers are not neuterable.
+ // SharedArrayBuffers are not detachable.
CHECK_LT(index, NumberToSize(sta->length()));
switch (sta->type()) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-15 03:59:05 +0000