Upstream version 7.36.149.0

[platform/framework/web/crosswalk.git] / src / v8 / src / arm / stub-cache-arm.cc

diff --git a/src/v8/src/arm/stub-cache-arm.cc b/src/v8/src/arm/stub-cache-arm.cc
index c595e42..a8867cd 100644 (file)
--- a/src/v8/src/arm/stub-cache-arm.cc
+++ b/src/v8/src/arm/stub-cache-arm.cc
@@ -1,29 +1,6 @@
 // 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
-//       with the distribution.
-//     * Neither the name of Google Inc. nor the names of its
-//       contributors may be used to endorse or promote products derived
-//       from this software without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
 
 #include "v8.h"
 
@@ -431,6 +408,22 @@ void StoreStubCompiler::GenerateStoreTransition(MacroAssembler* masm,
     __ JumpIfNotSmi(value_reg, miss_label);
   } else if (representation.IsHeapObject()) {
     __ JumpIfSmi(value_reg, miss_label);
+    HeapType* field_type = descriptors->GetFieldType(descriptor);
+    HeapType::Iterator<Map> it = field_type->Classes();
+    if (!it.Done()) {
+      __ ldr(scratch1, FieldMemOperand(value_reg, HeapObject::kMapOffset));
+      Label do_store;
+      while (true) {
+        __ CompareMap(scratch1, it.Current(), &do_store);
+        it.Advance();
+        if (it.Done()) {
+          __ b(ne, miss_label);
+          break;
+        }
+        __ b(eq, &do_store);
+      }
+      __ bind(&do_store);
+    }
   } else if (representation.IsDouble()) {
     Label do_store, heap_number;
     __ LoadRoot(scratch3, Heap::kHeapNumberMapRootIndex);
@@ -593,6 +586,22 @@ void StoreStubCompiler::GenerateStoreField(MacroAssembler* masm,
     __ JumpIfNotSmi(value_reg, miss_label);
   } else if (representation.IsHeapObject()) {
     __ JumpIfSmi(value_reg, miss_label);
+    HeapType* field_type = lookup->GetFieldType();
+    HeapType::Iterator<Map> it = field_type->Classes();
+    if (!it.Done()) {
+      __ ldr(scratch1, FieldMemOperand(value_reg, HeapObject::kMapOffset));
+      Label do_store;
+      while (true) {
+        __ CompareMap(scratch1, it.Current(), &do_store);
+        it.Advance();
+        if (it.Done()) {
+          __ b(ne, miss_label);
+          break;
+        }
+        __ b(eq, &do_store);
+      }
+      __ bind(&do_store);
+    }
   } else if (representation.IsDouble()) {
     // Load the double storage.
     if (index < 0) {
@@ -801,7 +810,7 @@ void StubCompiler::GenerateFastApiCall(MacroAssembler* masm,
   __ mov(api_function_address, Operand(ref));
 
   // Jump to stub.
-  CallApiFunctionStub stub(is_store, call_data_undefined, argc);
+  CallApiFunctionStub stub(isolate, is_store, call_data_undefined, argc);
   __ TailCallStub(&stub);
 }
 
@@ -836,7 +845,9 @@ Register StubCompiler::CheckPrototypes(Handle<HeapType> type,
   int depth = 0;
 
   Handle<JSObject> current = Handle<JSObject>::null();
-  if (type->IsConstant()) current = Handle<JSObject>::cast(type->AsConstant());
+  if (type->IsConstant()) {
+    current = Handle<JSObject>::cast(type->AsConstant()->Value());
+  }
   Handle<JSObject> prototype = Handle<JSObject>::null();
   Handle<Map> current_map = receiver_map;
   Handle<Map> holder_map(holder->map());
@@ -859,7 +870,7 @@ Register StubCompiler::CheckPrototypes(Handle<HeapType> type,
         name = factory()->InternalizeString(Handle<String>::cast(name));
       }
       ASSERT(current.is_null() ||
-             current->property_dictionary()->FindEntry(*name) ==
+             current->property_dictionary()->FindEntry(name) ==
              NameDictionary::kNotFound);
 
       GenerateDictionaryNegativeLookup(masm(), miss, reg, name,
@@ -999,15 +1010,17 @@ void LoadStubCompiler::GenerateLoadField(Register reg,
                                          Representation representation) {
   if (!reg.is(receiver())) __ mov(receiver(), reg);
   if (kind() == Code::LOAD_IC) {
-    LoadFieldStub stub(field.is_inobject(holder),
+    LoadFieldStub stub(isolate(),
+                       field.is_inobject(holder),
                        field.translate(holder),
                        representation);
-    GenerateTailCall(masm(), stub.GetCode(isolate()));
+    GenerateTailCall(masm(), stub.GetCode());
   } else {
-    KeyedLoadFieldStub stub(field.is_inobject(holder),
+    KeyedLoadFieldStub stub(isolate(),
+                            field.is_inobject(holder),
                             field.translate(holder),
                             representation);
-    GenerateTailCall(masm(), stub.GetCode(isolate()));
+    GenerateTailCall(masm(), stub.GetCode());
   }
 }
 
@@ -1061,7 +1074,7 @@ void LoadStubCompiler::GenerateLoadCallback(
   ExternalReference ref = ExternalReference(&fun, type, isolate());
   __ mov(getter_address_reg, Operand(ref));
 
-  CallApiGetterStub stub;
+  CallApiGetterStub stub(isolate());
   __ TailCallStub(&stub);
 }