Upgrade to 3.29

Update V8 to 3.29.88.17 and update makefiles to support building on
all the relevant platforms.

Bug: 17370214

Change-Id: Ia3407c157fd8d72a93e23d8318ccaf6ecf77fa4e
diff --git a/src/vm-state-inl.h b/src/vm-state-inl.h
index c647e56..ac3941e 100644
--- a/src/vm-state-inl.h
+++ b/src/vm-state-inl.h
@@ -1,35 +1,13 @@
 // Copyright 2010 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.
 
 #ifndef V8_VM_STATE_INL_H_
 #define V8_VM_STATE_INL_H_
 
-#include "vm-state.h"
-#include "runtime-profiler.h"
+#include "src/vm-state.h"
+#include "src/log.h"
+#include "src/simulator.h"
 
 namespace v8 {
 namespace internal {
@@ -58,37 +36,45 @@
 }
 
 
-VMState::VMState(Isolate* isolate, StateTag tag)
+template <StateTag Tag>
+VMState<Tag>::VMState(Isolate* isolate)
     : isolate_(isolate), previous_tag_(isolate->current_vm_state()) {
-  if (FLAG_log_state_changes) {
-    LOG(isolate, UncheckedStringEvent("Entering", StateToString(tag)));
-    LOG(isolate, UncheckedStringEvent("From", StateToString(previous_tag_)));
+  if (FLAG_log_timer_events && previous_tag_ != EXTERNAL && Tag == EXTERNAL) {
+    LOG(isolate_, TimerEvent(Logger::START, TimerEventExternal::name()));
   }
-
-  isolate_->SetCurrentVMState(tag);
+  isolate_->set_current_vm_state(Tag);
 }
 
 
-VMState::~VMState() {
-  if (FLAG_log_state_changes) {
-    LOG(isolate_,
-        UncheckedStringEvent("Leaving",
-                              StateToString(isolate_->current_vm_state())));
-    LOG(isolate_,
-        UncheckedStringEvent("To", StateToString(previous_tag_)));
+template <StateTag Tag>
+VMState<Tag>::~VMState() {
+  if (FLAG_log_timer_events && previous_tag_ != EXTERNAL && Tag == EXTERNAL) {
+    LOG(isolate_, TimerEvent(Logger::END, TimerEventExternal::name()));
   }
-
-  isolate_->SetCurrentVMState(previous_tag_);
+  isolate_->set_current_vm_state(previous_tag_);
 }
 
 
 ExternalCallbackScope::ExternalCallbackScope(Isolate* isolate, Address callback)
-    : isolate_(isolate), previous_callback_(isolate->external_callback()) {
-  isolate_->set_external_callback(callback);
+    : isolate_(isolate),
+      callback_(callback),
+      previous_scope_(isolate->external_callback_scope()) {
+#ifdef USE_SIMULATOR
+  scope_address_ = Simulator::current(isolate)->get_sp();
+#endif
+  isolate_->set_external_callback_scope(this);
 }
 
 ExternalCallbackScope::~ExternalCallbackScope() {
-  isolate_->set_external_callback(previous_callback_);
+  isolate_->set_external_callback_scope(previous_scope_);
+}
+
+Address ExternalCallbackScope::scope_address() {
+#ifdef USE_SIMULATOR
+  return scope_address_;
+#else
+  return reinterpret_cast<Address>(this);
+#endif
 }