A64: Synchronize with r17807.

src/api.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 548 matching lines @@
 }
 
 
 ResourceConstraints::ResourceConstraints()
   : max_young_space_size_(0),
     max_old_space_size_(0),
     max_executable_size_(0),
     stack_limit_(NULL) { }
 
 
+void ResourceConstraints::ConfigureDefaults(uint64_t physical_memory) {
+  const int lump_of_memory = (i::kPointerSize / 4) * i::MB;
+#if V8_OS_ANDROID
+  // Android has higher physical memory requirements before raising the maximum
+  // heap size limits since it has no swap space.
+  const uint64_t low_limit = 512ul * i::MB;
+  const uint64_t medium_limit = 1ul * i::GB;
+  const uint64_t high_limit = 2ul * i::GB;
+#else
+  const uint64_t low_limit = 512ul * i::MB;
+  const uint64_t medium_limit = 768ul * i::MB;
+  const uint64_t high_limit = 1ul  * i::GB;
+#endif
+
+  // The young_space_size should be a power of 2 and old_generation_size should
+  // be a multiple of Page::kPageSize.
+  if (physical_memory <= low_limit) {
+    set_max_young_space_size(2 * lump_of_memory);
+    set_max_old_space_size(128 * lump_of_memory);
+    set_max_executable_size(96 * lump_of_memory);
+  } else if (physical_memory <= medium_limit) {
+    set_max_young_space_size(8 * lump_of_memory);
+    set_max_old_space_size(256 * lump_of_memory);
+    set_max_executable_size(192 * lump_of_memory);
+  } else if (physical_memory <= high_limit) {
+    set_max_young_space_size(16 * lump_of_memory);
+    set_max_old_space_size(512 * lump_of_memory);
+    set_max_executable_size(256 * lump_of_memory);
+  } else {
+    set_max_young_space_size(16 * lump_of_memory);
+    set_max_old_space_size(700 * lump_of_memory);
+    set_max_executable_size(256 * lump_of_memory);
+  }
+}
+
+
 bool SetResourceConstraints(ResourceConstraints* constraints) {
   i::Isolate* isolate = EnterIsolateIfNeeded();
   return SetResourceConstraints(reinterpret_cast<Isolate*>(isolate),
                                 constraints);
 }
 
 
 bool SetResourceConstraints(Isolate* v8_isolate,
                             ResourceConstraints* constraints) {
   i::Isolate* isolate = reinterpret_cast<i::Isolate*>(v8_isolate);
@@ skipping 2605 matching lines @@
       self,
       key_obj,
       value_obj,
       static_cast<PropertyAttributes>(attribs));
   has_pending_exception = obj.is_null();
   EXCEPTION_BAILOUT_CHECK(isolate, false);
   return true;
 }
 
 
+bool v8::Object::SetPrivate(v8::Handle<Private> key, v8::Handle<Value> value) {
+  return Set(v8::Handle<Value>(reinterpret_cast<Value*>(*key)),
+             value, DontEnum);
+}
+
+
 bool v8::Object::ForceDelete(v8::Handle<Value> key) {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ON_BAILOUT(isolate, "v8::Object::ForceDelete()", return false);
   ENTER_V8(isolate);
   i::HandleScope scope(isolate);
   i::Handle<i::JSObject> self = Utils::OpenHandle(this);
   i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
 
   // When deleting a property on the global object using ForceDelete
   // deoptimize all functions as optimized code does not check for the hole
@@ skipping 31 matching lines @@
   ENTER_V8(isolate);
   i::Handle<i::JSObject> self = Utils::OpenHandle(this);
   EXCEPTION_PREAMBLE(isolate);
   i::Handle<i::Object> result = i::Object::GetElement(isolate, self, index);
   has_pending_exception = result.is_null();
   EXCEPTION_BAILOUT_CHECK(isolate, Local<Value>());
   return Utils::ToLocal(result);
 }
 
 
+Local<Value> v8::Object::GetPrivate(v8::Handle<Private> key) {
+  return Get(v8::Handle<Value>(reinterpret_cast<Value*>(*key)));
+}
+
+
 PropertyAttribute v8::Object::GetPropertyAttributes(v8::Handle<Value> key) {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ON_BAILOUT(isolate, "v8::Object::GetPropertyAttribute()",
              return static_cast<PropertyAttribute>(NONE));
   ENTER_V8(isolate);
   i::HandleScope scope(isolate);
   i::Handle<i::JSObject> self = Utils::OpenHandle(this);
   i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
   if (!key_obj->IsName()) {
     EXCEPTION_PREAMBLE(isolate);
@@ skipping 179 matching lines @@
   i::Handle<i::JSObject> self = Utils::OpenHandle(this);
   i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
   EXCEPTION_PREAMBLE(isolate);
   i::Handle<i::Object> obj = i::DeleteProperty(self, key_obj);
   has_pending_exception = obj.is_null();
   EXCEPTION_BAILOUT_CHECK(isolate, false);
   return obj->IsTrue();
 }
 
 
+bool v8::Object::DeletePrivate(v8::Handle<Private> key) {
+  return Delete(v8::Handle<Value>(reinterpret_cast<Value*>(*key)));
+}
+
+
 bool v8::Object::Has(v8::Handle<Value> key) {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ON_BAILOUT(isolate, "v8::Object::Has()", return false);
   ENTER_V8(isolate);
   i::Handle<i::JSReceiver> self = Utils::OpenHandle(this);
   i::Handle<i::Object> key_obj = Utils::OpenHandle(*key);
   EXCEPTION_PREAMBLE(isolate);
   i::Handle<i::Object> obj = i::HasProperty(self, key_obj);
   has_pending_exception = obj.is_null();
   EXCEPTION_BAILOUT_CHECK(isolate, false);
   return obj->IsTrue();
 }
 
 
+bool v8::Object::HasPrivate(v8::Handle<Private> key) {
+  return Has(v8::Handle<Value>(reinterpret_cast<Value*>(*key)));
+}
+
+
 bool v8::Object::Delete(uint32_t index) {
   i::Isolate* isolate = Utils::OpenHandle(this)->GetIsolate();
   ON_BAILOUT(isolate, "v8::Object::DeleteProperty()",
              return false);
   ENTER_V8(isolate);
   HandleScope scope(reinterpret_cast<Isolate*>(isolate));
   i::Handle<i::JSObject> self = Utils::OpenHandle(this);
   return i::JSReceiver::DeleteElement(self, index)->IsTrue();
 }
 
@@ skipping 1401 matching lines @@
 }
 
 
 Local<Value> Symbol::Name() const {
   i::Handle<i::Symbol> sym = Utils::OpenHandle(this);
   i::Handle<i::Object> name(sym->name(), sym->GetIsolate());
   return Utils::ToLocal(name);
 }
 
 
+Local<Value> Private::Name() const {
+  return reinterpret_cast<const Symbol*>(this)->Name();
+}
+
+
 double Number::Value() const {
   i::Handle<i::Object> obj = Utils::OpenHandle(this);
   return obj->Number();
 }
 
 
 bool Boolean::Value() const {
   i::Handle<i::Object> obj = Utils::OpenHandle(this);
   return obj->IsTrue();
 }
@@ skipping 473 matching lines @@
 
 
 bool FunctionTemplate::HasInstance(v8::Handle<v8::Value> value) {
   ON_BAILOUT(i::Isolate::Current(), "v8::FunctionTemplate::HasInstanceOf()",
              return false);
   i::Object* obj = *Utils::OpenHandle(*value);
   return obj->IsInstanceOf(*Utils::OpenHandle(this));
 }
 
 
+Local<External> v8::External::New(Isolate* isolate, void* value) {
+  STATIC_ASSERT(sizeof(value) == sizeof(i::Address));
+  i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
+  EnsureInitializedForIsolate(i_isolate, "v8::External::New()");
+  LOG_API(i_isolate, "External::New");
+  ENTER_V8(i_isolate);
+  i::Handle<i::JSObject> external = i_isolate->factory()->NewExternal(value);
+  return Utils::ExternalToLocal(external);
+}
+
+
 Local<External> v8::External::New(void* value) {
-  STATIC_ASSERT(sizeof(value) == sizeof(i::Address));
-  i::Isolate* isolate = i::Isolate::Current();
-  EnsureInitializedForIsolate(isolate, "v8::External::New()");
-  LOG_API(isolate, "External::New");
-  ENTER_V8(isolate);
-  i::Handle<i::JSObject> external = isolate->factory()->NewExternal(value);
-  return Utils::ExternalToLocal(external);
+  return v8::External::New(Isolate::GetCurrent(), value);
 }
 
 
 void* External::Value() const {
   return ExternalValue(*Utils::OpenHandle(this));
 }
 
 
 Local<String> v8::String::Empty() {
   i::Isolate* isolate = i::Isolate::Current();
@@ skipping 668 matching lines @@
          i::ElementsKind elements_kind>
 i::Handle<i::JSTypedArray> NewTypedArray(
     i::Isolate* isolate,
     Handle<ArrayBuffer> array_buffer, size_t byte_offset, size_t length) {
   i::Handle<i::JSTypedArray> obj =
       isolate->factory()->NewJSTypedArray(array_type);
   i::Handle<i::JSArrayBuffer> buffer = Utils::OpenHandle(*array_buffer);
 
   ASSERT(byte_offset % sizeof(ElementType) == 0);
 
+  CHECK(length <= (std::numeric_limits<size_t>::max() / sizeof(ElementType)));
+  size_t byte_length = length * sizeof(ElementType);
   SetupArrayBufferView(
-      isolate, obj, buffer, byte_offset, length * sizeof(ElementType));
+      isolate, obj, buffer, byte_offset, byte_length);
 
   i::Handle<i::Object> length_object =
     isolate->factory()->NewNumberFromSize(length);
   obj->set_length(*length_object);
 
   i::Handle<i::ExternalArray> elements =
       isolate->factory()->NewExternalArray(
           static_cast<int>(length), array_type,
           static_cast<uint8_t*>(buffer->backing_store()) + byte_offset);
   obj->set_elements(*elements);
@@ skipping 46 matching lines @@
   LOG_API(isolate, "v8::DataView::New(void*, size_t, size_t)");
   ENTER_V8(isolate);
   i::Handle<i::JSDataView> obj = isolate->factory()->NewJSDataView();
   i::Handle<i::JSArrayBuffer> buffer = Utils::OpenHandle(*array_buffer);
   SetupArrayBufferView(
       isolate, obj, buffer, byte_offset, byte_length);
   return Utils::ToLocal(obj);
 }
 
 
-Local<Symbol> v8::Symbol::New(Isolate* isolate) {
-  i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
-  EnsureInitializedForIsolate(i_isolate, "v8::Symbol::New()");
-  LOG_API(i_isolate, "Symbol::New()");
-  ENTER_V8(i_isolate);
-  i::Handle<i::Symbol> result = i_isolate->factory()->NewSymbol();
-  return Utils::ToLocal(result);
-}
-
-
 Local<Symbol> v8::Symbol::New(Isolate* isolate, const char* data, int length) {
   i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
   EnsureInitializedForIsolate(i_isolate, "v8::Symbol::New()");
-  LOG_API(i_isolate, "Symbol::New(char)");
+  LOG_API(i_isolate, "Symbol::New()");
   ENTER_V8(i_isolate);
-  if (length == -1) length = i::StrLength(data);
-  i::Handle<i::String> name = i_isolate->factory()->NewStringFromUtf8(
-      i::Vector<const char>(data, length));
   i::Handle<i::Symbol> result = i_isolate->factory()->NewSymbol();
-  result->set_name(*name);
+  if (data != NULL) {
+    if (length == -1) length = i::StrLength(data);
+    i::Handle<i::String> name = i_isolate->factory()->NewStringFromUtf8(
+        i::Vector<const char>(data, length));
+    result->set_name(*name);
+  }
   return Utils::ToLocal(result);
 }
 
 
+Local<Private> v8::Private::New(
+    Isolate* isolate, const char* data, int length) {
+  i::Isolate* i_isolate = reinterpret_cast<i::Isolate*>(isolate);
+  EnsureInitializedForIsolate(i_isolate, "v8::Private::New()");
+  LOG_API(i_isolate, "Private::New()");
+  ENTER_V8(i_isolate);
+  i::Handle<i::Symbol> symbol = i_isolate->factory()->NewPrivateSymbol();
+  if (data != NULL) {
+    if (length == -1) length = i::StrLength(data);
+    i::Handle<i::String> name = i_isolate->factory()->NewStringFromUtf8(
+        i::Vector<const char>(data, length));
+    symbol->set_name(*name);
+  }
+  Local<Symbol> result = Utils::ToLocal(symbol);
+  return v8::Handle<Private>(reinterpret_cast<Private*>(*result));
+}
+
+
 Local<Number> v8::Number::New(double value) {
   i::Isolate* isolate = i::Isolate::Current();
   EnsureInitializedForIsolate(isolate, "v8::Number::New()");
   return Number::New(reinterpret_cast<Isolate*>(isolate), value);
 }
 
 
 Local<Number> v8::Number::New(Isolate* isolate, double value) {
   i::Isolate* internal_isolate = reinterpret_cast<i::Isolate*>(isolate);
   ASSERT(internal_isolate->IsInitialized());
@@ skipping 1408 matching lines @@
   Isolate* isolate = reinterpret_cast<Isolate*>(info.GetIsolate());
   Address callback_address =
       reinterpret_cast<Address>(reinterpret_cast<intptr_t>(callback));
   VMState<EXTERNAL> state(isolate);
   ExternalCallbackScope call_scope(isolate, callback_address);
   callback(info);
 }
 
 
 } }  // namespace v8::internal