Handle<Code> StubCache::FindHandler(Handle<Name> name,
+ Handle<JSObject> receiver,
Handle<JSObject> stub_holder,
Code::Kind kind,
- Code::StubType type,
- Code::ExtraICState extra_ic_state) {
+ Code::StubType type) {
+ Code::ExtraICState extra_ic_state = Code::ComputeExtraICState(
+ receiver.is_identical_to(stub_holder) ? Code::OWN_STUB
+ : Code::PROTOTYPE_STUB);
ASSERT(type != Code::NORMAL);
Code::Flags flags = Code::ComputeMonomorphicFlags(
Code::STUB, extra_ic_state, type, kind);
// Compile the stub that is either shared for all names or
// name specific if there are global objects involved.
Handle<Code> handler = FindHandler(
- cache_name, receiver, Code::LOAD_IC, Code::NONEXISTENT);
+ cache_name, receiver, receiver, Code::LOAD_IC, Code::NONEXISTENT);
if (!handler.is_null()) return handler;
LoadStubCompiler compiler(isolate_);
Handle<JSObject> stub_holder = StubHolder(receiver, holder);
Handle<Code> stub = FindHandler(
- name, stub_holder, Code::LOAD_IC, Code::FIELD);
+ name, receiver, stub_holder, Code::LOAD_IC, Code::FIELD);
if (!stub.is_null()) return stub;
LoadStubCompiler compiler(isolate_);
ASSERT(v8::ToCData<Address>(callback->getter()) != 0);
Handle<JSObject> stub_holder = StubHolder(receiver, holder);
Handle<Code> stub = FindHandler(
- name, stub_holder, Code::LOAD_IC, Code::CALLBACKS);
+ name, receiver, stub_holder, Code::LOAD_IC, Code::CALLBACKS);
if (!stub.is_null()) return stub;
LoadStubCompiler compiler(isolate_);
Handle<JSFunction> getter) {
Handle<JSObject> stub_holder = StubHolder(receiver, holder);
Handle<Code> stub = FindHandler(
- name, stub_holder, Code::LOAD_IC, Code::CALLBACKS);
+ name, receiver, stub_holder, Code::LOAD_IC, Code::CALLBACKS);
if (!stub.is_null()) return stub;
LoadStubCompiler compiler(isolate_);
Handle<JSFunction> value) {
Handle<JSObject> stub_holder = StubHolder(receiver, holder);
Handle<Code> handler = FindHandler(
- name, stub_holder, Code::LOAD_IC, Code::CONSTANT_FUNCTION);
+ name, receiver, stub_holder, Code::LOAD_IC, Code::CONSTANT_FUNCTION);
if (!handler.is_null()) return handler;
LoadStubCompiler compiler(isolate_);
Handle<JSObject> holder) {
Handle<JSObject> stub_holder = StubHolder(receiver, holder);
Handle<Code> stub = FindHandler(
- name, stub_holder, Code::LOAD_IC, Code::INTERCEPTOR);
+ name, receiver, stub_holder, Code::LOAD_IC, Code::INTERCEPTOR);
if (!stub.is_null()) return stub;
LoadStubCompiler compiler(isolate_);
Handle<JSObject> stub_holder = StubHolder(receiver, holder);
Handle<Code> stub = FindHandler(
- name, stub_holder, Code::KEYED_LOAD_IC, Code::FIELD);
+ name, receiver, stub_holder, Code::KEYED_LOAD_IC, Code::FIELD);
if (!stub.is_null()) return stub;
KeyedLoadStubCompiler compiler(isolate_);
Handle<JSFunction> value) {
Handle<JSObject> stub_holder = StubHolder(receiver, holder);
Handle<Code> handler = FindHandler(
- name, stub_holder, Code::KEYED_LOAD_IC, Code::CONSTANT_FUNCTION);
+ name, receiver, stub_holder, Code::KEYED_LOAD_IC,
+ Code::CONSTANT_FUNCTION);
if (!handler.is_null()) return handler;
KeyedLoadStubCompiler compiler(isolate_);
Handle<JSObject> holder) {
Handle<JSObject> stub_holder = StubHolder(receiver, holder);
Handle<Code> stub = FindHandler(
- name, stub_holder, Code::KEYED_LOAD_IC, Code::INTERCEPTOR);
+ name, receiver, stub_holder, Code::KEYED_LOAD_IC, Code::INTERCEPTOR);
if (!stub.is_null()) return stub;
KeyedLoadStubCompiler compiler(isolate_);
Handle<ExecutableAccessorInfo> callback) {
Handle<JSObject> stub_holder = StubHolder(receiver, holder);
Handle<Code> stub = FindHandler(
- name, stub_holder, Code::KEYED_LOAD_IC, Code::CALLBACKS);
+ name, receiver, stub_holder, Code::KEYED_LOAD_IC, Code::CALLBACKS);
if (!stub.is_null()) return stub;
KeyedLoadStubCompiler compiler(isolate_);
--- /dev/null
+// Copyright 2013 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.
+
+// Flags: --expose_gc
+
+p1 = { };
+p2 = { };
+p3 = { x : 1 };
+p2.__proto__ = p3
+p1.__proto__ = p2
+
+// Normalize p1.
+p1.z = 1
+delete p1.z
+
+// Make sure all objects are in old space.
+for (var i = 0; i < 10; i++) gc();
+
+function f2() {
+ p2.x;
+}
+
+function f1() {
+ return p1.x;
+}
+
+// Create load stub in p2.
+for (var i = 0; i < 10; i++) f2();
+
+// Create load stub in p2 for p1.
+for (var i = 0; i < 10; i++) f1();
+
+assertEquals(1, f1());
+
+p2.x = 2;
+
+assertEquals(2, f1());