Migrate Object.getPrototypeOf from v8natives to builtins.

More v8natives cleanup to come...

R=bmeurer@chromium.org
BUG=

Review URL: https://codereview.chromium.org/1922453002

Cr-Commit-Position: refs/heads/master@{#35759}

src/bootstrapper.cc

@@ -1056,37 +1056,49 @@ void Genesis::InitializeGlobal(Handle<JSGlobalObject> global_object,
     Handle<JSFunction> object_function = isolate->object_function();
     JSObject::AddProperty(global_object, object_name, object_function,
                           DONT_ENUM);
+
     SimpleInstallFunction(object_function, factory->assign_string(),
                           Builtins::kObjectAssign, 2, false);
     SimpleInstallFunction(object_function, factory->create_string(),
                           Builtins::kObjectCreate, 2, false);
-    Handle<JSFunction> object_freeze = SimpleInstallFunction(
-        object_function, "freeze", Builtins::kObjectFreeze, 1, false);
-    native_context()->set_object_freeze(*object_freeze);
     SimpleInstallFunction(object_function, "getOwnPropertyDescriptor",
                           Builtins::kObjectGetOwnPropertyDescriptor, 2, false);
     SimpleInstallFunction(object_function, "getOwnPropertyNames",
                           Builtins::kObjectGetOwnPropertyNames, 1, false);
     SimpleInstallFunction(object_function, "getOwnPropertySymbols",
                           Builtins::kObjectGetOwnPropertySymbols, 1, false);
-    SimpleInstallFunction(object_function, "is", Builtins::kObjectIs, 2, true);
-    Handle<JSFunction> object_is_extensible =
-        SimpleInstallFunction(object_function, "isExtensible",
-                              Builtins::kObjectIsExtensible, 1, false);
+    SimpleInstallFunction(object_function, "is",
+                          Builtins::kObjectIs, 2, true);
+    SimpleInstallFunction(object_function, "preventExtensions",
+                          Builtins::kObjectPreventExtensions, 1, false);
+    SimpleInstallFunction(object_function, "seal",
+                          Builtins::kObjectSeal, 1, false);
+
+    Handle<JSFunction> object_freeze = SimpleInstallFunction(
+        object_function, "freeze", Builtins::kObjectFreeze, 1, false);
+    native_context()->set_object_freeze(*object_freeze);
+
+    Handle<JSFunction> object_get_prototype_of = SimpleInstallFunction(
+        object_function, "getPrototypeOf", Builtins::kObjectGetPrototypeOf,
+        1, false);
+    native_context()->set_object_get_prototype_of(*object_get_prototype_of);
+
+    Handle<JSFunction> object_is_extensible = SimpleInstallFunction(
+        object_function, "isExtensible", Builtins::kObjectIsExtensible,
+        1, false);
     native_context()->set_object_is_extensible(*object_is_extensible);
+
     Handle<JSFunction> object_is_frozen = SimpleInstallFunction(
         object_function, "isFrozen", Builtins::kObjectIsFrozen, 1, false);
     native_context()->set_object_is_frozen(*object_is_frozen);
+
     Handle<JSFunction> object_is_sealed = SimpleInstallFunction(
         object_function, "isSealed", Builtins::kObjectIsSealed, 1, false);
     native_context()->set_object_is_sealed(*object_is_sealed);
+
     Handle<JSFunction> object_keys = SimpleInstallFunction(
         object_function, "keys", Builtins::kObjectKeys, 1, false);
     native_context()->set_object_keys(*object_keys);
-    SimpleInstallFunction(object_function, "preventExtensions",
-                          Builtins::kObjectPreventExtensions, 1, false);
-    SimpleInstallFunction(object_function, "seal", Builtins::kObjectSeal, 1,
-                          false);
 
     SimpleInstallFunction(isolate->initial_object_prototype(), "hasOwnProperty",
                           Builtins::kObjectHasOwnProperty, 1, true);

src/builtins.cc

@@ -1796,6 +1796,23 @@ BUILTIN(ObjectFreeze) {
 }
 
 
+// ES section 19.1.2.9 Object.getPrototypeOf ( O )
+BUILTIN(ObjectGetPrototypeOf) {
+  HandleScope scope(isolate);
+  Handle<Object> object = args.atOrUndefined(isolate, 1);
+
+  Handle<JSReceiver> receiver;
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+      isolate, receiver, Object::ToObject(isolate, object));
+
+  Handle<Object> prototype;
+  ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+      isolate, prototype, JSReceiver::GetPrototype(isolate, receiver));
+
+  return *prototype;
+}
+
+
 // ES6 section 19.1.2.6 Object.getOwnPropertyDescriptor ( O, P )
 BUILTIN(ObjectGetOwnPropertyDescriptor) {
   HandleScope scope(isolate);

src/builtins.h

@@ -130,6 +130,7 @@ inline bool operator&(BuiltinExtraArguments lhs, BuiltinExtraArguments rhs) {
   V(ObjectGetOwnPropertyDescriptor, kNone)                     \
   V(ObjectGetOwnPropertyNames, kNone)                          \
   V(ObjectGetOwnPropertySymbols, kNone)                        \
+  V(ObjectGetPrototypeOf, kNone)                               \
   V(ObjectIs, kNone)                                           \
   V(ObjectIsExtensible, kNone)                                 \
   V(ObjectIsFrozen, kNone)                                     \

src/contexts.h

@@ -73,6 +73,7 @@ enum BindingFlags {
   V(MAKE_RANGE_ERROR_INDEX, JSFunction, make_range_error)                 \
   V(MAKE_TYPE_ERROR_INDEX, JSFunction, make_type_error)                   \
   V(OBJECT_FREEZE, JSFunction, object_freeze)                             \
+  V(OBJECT_GET_PROTOTYPE_OF, JSFunction, object_get_prototype_of)         \
   V(OBJECT_IS_EXTENSIBLE, JSFunction, object_is_extensible)               \
   V(OBJECT_IS_FROZEN, JSFunction, object_is_frozen)                       \
   V(OBJECT_IS_SEALED, JSFunction, object_is_sealed)                       \

src/js/array.js

@@ -898,7 +898,8 @@ function InnerArraySort(array, length, comparefn) {
   // of a prototype property.
   var CopyFromPrototype = function CopyFromPrototype(obj, length) {
     var max = 0;
-    for (var proto = %_GetPrototype(obj); proto; proto = %_GetPrototype(proto)) {
+    for (var proto = %object_get_prototype_of(obj); proto;
+         proto = %object_get_prototype_of(proto)) {
       var indices = IS_PROXY(proto) ? length : %GetArrayKeys(proto, length);
       if (IS_NUMBER(indices)) {
         // It's an interval.
@@ -926,7 +927,8 @@ function InnerArraySort(array, length, comparefn) {
   // where a prototype of obj has an element. I.e., shadow all prototype
   // elements in that range.
   var ShadowPrototypeElements = function(obj, from, to) {
-    for (var proto = %_GetPrototype(obj); proto; proto = %_GetPrototype(proto)) {
+    for (var proto = %object_get_prototype_of(obj); proto;
+         proto = %object_get_prototype_of(proto)) {
       var indices = IS_PROXY(proto) ? to : %GetArrayKeys(proto, to);
       if (IS_NUMBER(indices)) {
         // It's an interval.
@@ -993,7 +995,7 @@ function InnerArraySort(array, length, comparefn) {
     }
     for (i = length - num_holes; i < length; i++) {
       // For compatability with Webkit, do not expose elements in the prototype.
-      if (i in %_GetPrototype(obj)) {
+      if (i in %object_get_prototype_of(obj)) {
         obj[i] = UNDEFINED;
       } else {
         delete obj[i];

src/js/messages.js

@@ -878,7 +878,7 @@ var StackTraceGetter = function() {
       if (IS_UNDEFINED(stack_trace)) {
         // Neither formatted nor structured stack trace available.
         // Look further up the prototype chain.
-        holder = %_GetPrototype(holder);
+        holder = %object_get_prototype_of(holder);
         continue;
       }
       formatted_stack_trace = FormatStackTrace(holder, stack_trace);

src/js/v8natives.js

@@ -721,11 +721,6 @@ function DefineOwnProperty(obj, p, desc, should_throw) {
 }
 
 
-// ES6 section 19.1.2.9
-function ObjectGetPrototypeOf(obj) {
-  return %_GetPrototype(TO_OBJECT(obj));
-}
-
 // ES6 section 19.1.2.18.
 function ObjectSetPrototypeOf(obj, proto) {
   CHECK_OBJECT_COERCIBLE(obj, "Object.setPrototypeOf");
@@ -760,7 +755,7 @@ function ObjectDefineProperties(obj, properties) {
 
 // ES6 B.2.2.1.1
 function ObjectGetProto() {
-  return %_GetPrototype(TO_OBJECT(this));
+  return %object_get_prototype_of(this);
 }
 
 
@@ -810,14 +805,11 @@ utils.InstallGetterSetter(GlobalObject.prototype, "__proto__", ObjectGetProto,
 
 // Set up non-enumerable functions in the Object object.
 utils.InstallFunctions(GlobalObject, DONT_ENUM, [
-  // assign is added in bootstrapper.cc.
-  // keys is added in bootstrapper.cc.
   "defineProperty", ObjectDefineProperty,
   "defineProperties", ObjectDefineProperties,
-  "getPrototypeOf", ObjectGetPrototypeOf,
   "setPrototypeOf", ObjectSetPrototypeOf,
   // getOwnPropertySymbols is added in symbol.js.
-  // is is added in bootstrapper.cc.
+  // Others are added in bootstrapper.cc.
 ]);
 
 

test/cctest/interpreter/bytecode_expectations/CallRuntime.golden

@@ -83,7 +83,7 @@ bytecodes: [
   B(Star), R(0),
   B(CreateArrayLiteral), U8(0), U8(0), U8(3),
   B(Star), R(1),
-  B(CallJSRuntime), U8(115), R(0), U8(2),
+  B(CallJSRuntime), U8(116), R(0), U8(2),
   B(Return),
 ]
 constant pool: [