deps: upgrade v8 to 3.26.33

Signed-off-by: Fedor Indutny <fedor@indutny.com>

1 files changed, 16 insertions, 104 deletions

diff --git a/deps/v8/src/v8.cc b/deps/v8/src/v8.cc
index b49e0eb5f..f8156ecbd 100644
--- a/deps/v8/src/v8.cc
+++ b/deps/v8/src/v8.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"
 
@@ -53,29 +30,14 @@ namespace internal {
 
 V8_DECLARE_ONCE(init_once);
 
-List<CallCompletedCallback>* V8::call_completed_callbacks_ = NULL;
 v8::ArrayBuffer::Allocator* V8::array_buffer_allocator_ = NULL;
 v8::Platform* V8::platform_ = NULL;
 
 
 bool V8::Initialize(Deserializer* des) {
   InitializeOncePerProcess();
-
-  // The current thread may not yet had entered an isolate to run.
-  // Note the Isolate::Current() may be non-null because for various
-  // initialization purposes an initializing thread may be assigned an isolate
-  // but not actually enter it.
-  if (i::Isolate::CurrentPerIsolateThreadData() == NULL) {
-    i::Isolate::EnterDefaultIsolate();
-  }
-
-  ASSERT(i::Isolate::CurrentPerIsolateThreadData() != NULL);
-  ASSERT(i::Isolate::CurrentPerIsolateThreadData()->thread_id().Equals(
-           i::ThreadId::Current()));
-  ASSERT(i::Isolate::CurrentPerIsolateThreadData()->isolate() ==
-         i::Isolate::Current());
-
-  Isolate* isolate = Isolate::Current();
+  Isolate* isolate = Isolate::UncheckedCurrent();
+  if (isolate == NULL) return true;
   if (isolate->IsDead()) return false;
   if (isolate->IsInitialized()) return true;
 
@@ -108,10 +70,8 @@ void V8::TearDown() {
   RegisteredExtension::UnregisterAll();
   Isolate::GlobalTearDown();
 
-  delete call_completed_callbacks_;
-  call_completed_callbacks_ = NULL;
-
   Sampler::TearDown();
+  Serializer::TearDown();
 
 #ifdef V8_USE_DEFAULT_PLATFORM
   DefaultPlatform* platform = static_cast<DefaultPlatform*>(platform_);
@@ -127,65 +87,9 @@ void V8::SetReturnAddressLocationResolver(
 }
 
 
-void V8::AddCallCompletedCallback(CallCompletedCallback callback) {
-  if (call_completed_callbacks_ == NULL) {  // Lazy init.
-    call_completed_callbacks_ = new List<CallCompletedCallback>();
-  }
-  for (int i = 0; i < call_completed_callbacks_->length(); i++) {
-    if (callback == call_completed_callbacks_->at(i)) return;
-  }
-  call_completed_callbacks_->Add(callback);
-}
-
-
-void V8::RemoveCallCompletedCallback(CallCompletedCallback callback) {
-  if (call_completed_callbacks_ == NULL) return;
-  for (int i = 0; i < call_completed_callbacks_->length(); i++) {
-    if (callback == call_completed_callbacks_->at(i)) {
-      call_completed_callbacks_->Remove(i);
-    }
-  }
-}
-
-
-void V8::FireCallCompletedCallback(Isolate* isolate) {
-  bool has_call_completed_callbacks = call_completed_callbacks_ != NULL;
-  bool run_microtasks = isolate->autorun_microtasks() &&
-                        isolate->microtask_pending();
-  if (!has_call_completed_callbacks && !run_microtasks) return;
-
-  HandleScopeImplementer* handle_scope_implementer =
-      isolate->handle_scope_implementer();
-  if (!handle_scope_implementer->CallDepthIsZero()) return;
-  // Fire callbacks.  Increase call depth to prevent recursive callbacks.
-  handle_scope_implementer->IncrementCallDepth();
-  if (run_microtasks) Execution::RunMicrotasks(isolate);
-  if (has_call_completed_callbacks) {
-    for (int i = 0; i < call_completed_callbacks_->length(); i++) {
-      call_completed_callbacks_->at(i)();
-    }
-  }
-  handle_scope_implementer->DecrementCallDepth();
-}
-
-
-void V8::RunMicrotasks(Isolate* isolate) {
-  if (!isolate->microtask_pending())
-    return;
-
-  HandleScopeImplementer* handle_scope_implementer =
-      isolate->handle_scope_implementer();
-  ASSERT(handle_scope_implementer->CallDepthIsZero());
-
-  // Increase call depth to prevent recursive callbacks.
-  handle_scope_implementer->IncrementCallDepth();
-  Execution::RunMicrotasks(isolate);
-  handle_scope_implementer->DecrementCallDepth();
-}
-
-
 void V8::InitializeOncePerProcessImpl() {
   FlagList::EnforceFlagImplications();
+  Serializer::InitializeOncePerProcess();
 
   if (FLAG_predictable && FLAG_random_seed == 0) {
     // Avoid random seeds in predictable mode.
@@ -195,15 +99,23 @@ void V8::InitializeOncePerProcessImpl() {
   if (FLAG_stress_compaction) {
     FLAG_force_marking_deque_overflows = true;
     FLAG_gc_global = true;
-    FLAG_max_new_space_size = (1 << (kPageSizeBits - 10)) * 2;
+    FLAG_max_new_space_size = 2 * Page::kPageSize;
   }
 
 #ifdef V8_USE_DEFAULT_PLATFORM
   platform_ = new DefaultPlatform;
 #endif
   Sampler::SetUp();
-  CPU::SetUp();
+  // TODO(svenpanne) Clean this up when Serializer is a real object.
+  bool serializer_enabled = Serializer::enabled(NULL);
+  CpuFeatures::Probe(serializer_enabled);
   OS::PostSetUp();
+  // The custom exp implementation needs 16KB of lookup data; initialize it
+  // on demand.
+  init_fast_sqrt_function();
+#ifdef _WIN64
+  init_modulo_function();
+#endif
   ElementsAccessor::InitializeOncePerProcess();
   LOperand::SetUpCaches();
   SetUpJSCallerSavedCodeData();