Update V8 to version 4.1.0.21
This is a cherry-pick of all commits up to and including the
4.1.0.21 cherry-pick in Chromium.
Original commit message:
Version 4.1.0.21 (cherry-pick)
Merged 206e9136bde0f2b5ae8cb77afbb1e7833e5bd412
Unlink pages from the space page list after evacuation.
BUG=430201
LOG=N
R=jkummerow@chromium.org
Review URL: https://codereview.chromium.org/953813002
Cr-Commit-Position: refs/branch-heads/4.1@{#22}
Cr-Branched-From: 2e08d2a7aa9d65d269d8c57aba82eb38a8cb0a18-refs/heads/candidates@{#25353}
---
FPIIM-449
Change-Id: I8c23c7bbb70772b4858fe8a47b64fa97ee0d1f8c
diff --git a/src/runtime/runtime-symbol.cc b/src/runtime/runtime-symbol.cc
new file mode 100644
index 0000000..31b6bed
--- /dev/null
+++ b/src/runtime/runtime-symbol.cc
@@ -0,0 +1,100 @@
+// Copyright 2014 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/v8.h"
+
+#include "src/arguments.h"
+#include "src/runtime/runtime-utils.h"
+
+namespace v8 {
+namespace internal {
+
+RUNTIME_FUNCTION(Runtime_CreateSymbol) {
+ HandleScope scope(isolate);
+ DCHECK(args.length() == 1);
+ CONVERT_ARG_HANDLE_CHECKED(Object, name, 0);
+ RUNTIME_ASSERT(name->IsString() || name->IsUndefined());
+ Handle<Symbol> symbol = isolate->factory()->NewSymbol();
+ if (name->IsString()) symbol->set_name(*name);
+ return *symbol;
+}
+
+
+RUNTIME_FUNCTION(Runtime_CreatePrivateSymbol) {
+ HandleScope scope(isolate);
+ DCHECK(args.length() == 1);
+ CONVERT_ARG_HANDLE_CHECKED(Object, name, 0);
+ RUNTIME_ASSERT(name->IsString() || name->IsUndefined());
+ Handle<Symbol> symbol = isolate->factory()->NewPrivateSymbol();
+ if (name->IsString()) symbol->set_name(*name);
+ return *symbol;
+}
+
+
+RUNTIME_FUNCTION(Runtime_CreatePrivateOwnSymbol) {
+ HandleScope scope(isolate);
+ DCHECK(args.length() == 1);
+ CONVERT_ARG_HANDLE_CHECKED(Object, name, 0);
+ RUNTIME_ASSERT(name->IsString() || name->IsUndefined());
+ Handle<Symbol> symbol = isolate->factory()->NewPrivateOwnSymbol();
+ if (name->IsString()) symbol->set_name(*name);
+ return *symbol;
+}
+
+
+RUNTIME_FUNCTION(Runtime_CreateGlobalPrivateOwnSymbol) {
+ HandleScope scope(isolate);
+ DCHECK(args.length() == 1);
+ CONVERT_ARG_HANDLE_CHECKED(String, name, 0);
+ Handle<JSObject> registry = isolate->GetSymbolRegistry();
+ Handle<String> part = isolate->factory()->private_intern_string();
+ Handle<Object> privates;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+ isolate, privates, Object::GetPropertyOrElement(registry, part));
+ Handle<Object> symbol;
+ ASSIGN_RETURN_FAILURE_ON_EXCEPTION(
+ isolate, symbol, Object::GetPropertyOrElement(privates, name));
+ if (!symbol->IsSymbol()) {
+ DCHECK(symbol->IsUndefined());
+ symbol = isolate->factory()->NewPrivateSymbol();
+ Handle<Symbol>::cast(symbol)->set_name(*name);
+ Handle<Symbol>::cast(symbol)->set_is_own(true);
+ JSObject::SetProperty(Handle<JSObject>::cast(privates), name, symbol,
+ STRICT).Assert();
+ }
+ return *symbol;
+}
+
+
+RUNTIME_FUNCTION(Runtime_NewSymbolWrapper) {
+ HandleScope scope(isolate);
+ DCHECK(args.length() == 1);
+ CONVERT_ARG_HANDLE_CHECKED(Symbol, symbol, 0);
+ return *Object::ToObject(isolate, symbol).ToHandleChecked();
+}
+
+
+RUNTIME_FUNCTION(Runtime_SymbolDescription) {
+ SealHandleScope shs(isolate);
+ DCHECK(args.length() == 1);
+ CONVERT_ARG_CHECKED(Symbol, symbol, 0);
+ return symbol->name();
+}
+
+
+RUNTIME_FUNCTION(Runtime_SymbolRegistry) {
+ HandleScope scope(isolate);
+ DCHECK(args.length() == 0);
+ return *isolate->GetSymbolRegistry();
+}
+
+
+RUNTIME_FUNCTION(Runtime_SymbolIsPrivate) {
+ SealHandleScope shs(isolate);
+ DCHECK(args.length() == 1);
+ CONVERT_ARG_CHECKED(Symbol, symbol, 0);
+ return isolate->heap()->ToBoolean(symbol->is_private());
+}
+}
+} // namespace v8::internal