static const int kJSObjectHeaderSize = 3 * kApiPointerSize;
static const int kFixedArrayHeaderSize = 2 * kApiPointerSize;
static const int kContextHeaderSize = 2 * kApiPointerSize;
- static const int kContextEmbedderDataIndex = 65;
+ static const int kContextEmbedderDataIndex = 74;
static const int kFullStringRepresentationMask = 0x07;
static const int kStringEncodingMask = 0x4;
static const int kExternalTwoByteRepresentationTag = 0x02;
ElementsKind elements_kind);
bool InstallNatives();
- Handle<JSFunction> InstallTypedArray(const char* name,
- ElementsKind elementsKind);
+ void InstallTypedArray(
+ const char* name,
+ ElementsKind elements_kind,
+ Handle<JSFunction>* fun,
+ Handle<Map>* external_map);
bool InstallExperimentalNatives();
void InstallBuiltinFunctionIds();
void InstallJSFunctionResultCaches();
{ // -- T y p e d A r r a y s
#define INSTALL_TYPED_ARRAY(Type, type, TYPE, ctype, size) \
{ \
- Handle<JSFunction> fun = InstallTypedArray(#Type "Array", \
- TYPE##_ELEMENTS); \
+ Handle<JSFunction> fun; \
+ Handle<Map> external_map; \
+ InstallTypedArray(#Type "Array", \
+ TYPE##_ELEMENTS, \
+ &fun, \
+ &external_map); \
native_context()->set_##type##_array_fun(*fun); \
+ native_context()->set_##type##_array_external_map(*external_map); \
}
TYPED_ARRAYS(INSTALL_TYPED_ARRAY)
#undef INSTALL_TYPED_ARRAY
}
-Handle<JSFunction> Genesis::InstallTypedArray(
- const char* name, ElementsKind elementsKind) {
+void Genesis::InstallTypedArray(
+ const char* name,
+ ElementsKind elements_kind,
+ Handle<JSFunction>* fun,
+ Handle<Map>* external_map) {
Handle<JSObject> global = Handle<JSObject>(native_context()->global_object());
Handle<JSFunction> result = InstallFunction(global, name, JS_TYPED_ARRAY_TYPE,
JSTypedArray::kSize, isolate()->initial_object_prototype(),
Builtins::kIllegal, false, true);
Handle<Map> initial_map = isolate()->factory()->NewMap(
- JS_TYPED_ARRAY_TYPE, JSTypedArray::kSizeWithInternalFields, elementsKind);
+ JS_TYPED_ARRAY_TYPE,
+ JSTypedArray::kSizeWithInternalFields,
+ elements_kind);
result->set_initial_map(*initial_map);
initial_map->set_constructor(*result);
- return result;
+ *fun = result;
+
+ ElementsKind external_kind = GetNextTransitionElementsKind(elements_kind);
+ *external_map = Map::AsElementsKind(initial_map, external_kind);
}
V(FLOAT32_ARRAY_FUN_INDEX, JSFunction, float32_array_fun) \
V(FLOAT64_ARRAY_FUN_INDEX, JSFunction, float64_array_fun) \
V(UINT8_CLAMPED_ARRAY_FUN_INDEX, JSFunction, uint8_clamped_array_fun) \
+ V(INT8_ARRAY_EXTERNAL_MAP_INDEX, Map, int8_array_external_map) \
+ V(UINT8_ARRAY_EXTERNAL_MAP_INDEX, Map, uint8_array_external_map) \
+ V(INT16_ARRAY_EXTERNAL_MAP_INDEX, Map, int16_array_external_map) \
+ V(UINT16_ARRAY_EXTERNAL_MAP_INDEX, Map, uint16_array_external_map) \
+ V(INT32_ARRAY_EXTERNAL_MAP_INDEX, Map, int32_array_external_map) \
+ V(UINT32_ARRAY_EXTERNAL_MAP_INDEX, Map, uint32_array_external_map) \
+ V(FLOAT32_ARRAY_EXTERNAL_MAP_INDEX, Map, float32_array_external_map) \
+ V(FLOAT64_ARRAY_EXTERNAL_MAP_INDEX, Map, float64_array_external_map) \
+ V(UINT8_CLAMPED_ARRAY_EXTERNAL_MAP_INDEX, Map, \
+ uint8_clamped_array_external_map) \
V(DATA_VIEW_FUN_INDEX, JSFunction, data_view_fun) \
V(SLOPPY_FUNCTION_MAP_INDEX, Map, sloppy_function_map) \
V(STRICT_FUNCTION_MAP_INDEX, Map, strict_function_map) \
FLOAT32_ARRAY_FUN_INDEX,
FLOAT64_ARRAY_FUN_INDEX,
UINT8_CLAMPED_ARRAY_FUN_INDEX,
+ INT8_ARRAY_EXTERNAL_MAP_INDEX,
+ UINT8_ARRAY_EXTERNAL_MAP_INDEX,
+ INT16_ARRAY_EXTERNAL_MAP_INDEX,
+ UINT16_ARRAY_EXTERNAL_MAP_INDEX,
+ INT32_ARRAY_EXTERNAL_MAP_INDEX,
+ UINT32_ARRAY_EXTERNAL_MAP_INDEX,
+ FLOAT32_ARRAY_EXTERNAL_MAP_INDEX,
+ FLOAT64_ARRAY_EXTERNAL_MAP_INDEX,
+ UINT8_CLAMPED_ARRAY_EXTERNAL_MAP_INDEX,
DATA_VIEW_FUN_INDEX,
MESSAGE_LISTENERS_INDEX,
MAKE_MESSAGE_FUN_INDEX,