Reset trunk to 3.24.35.4

src/isolate.cc

 // 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
@@ skipping 928 matching lines @@
       try_catch_handler() : NULL;
 
   // Set the exception being re-thrown.
   set_pending_exception(exception);
   if (exception->IsFailure()) return exception->ToFailureUnchecked();
   return Failure::Exception();
 }
 
 
 Failure* Isolate::ThrowIllegalOperation() {
-  if (FLAG_stack_trace_on_illegal) PrintStack(stdout);
   return Throw(heap_.illegal_access_string());
 }
 
 
 void Isolate::ScheduleThrow(Object* exception) {
   // When scheduling a throw we first throw the exception to get the
   // error reporting if it is uncaught before rescheduling it.
   Throw(exception);
   PropagatePendingExceptionToExternalTryCatch();
   if (has_pending_exception()) {
@@ skipping 156 matching lines @@
     MessageLocation potential_computed_location;
     if (location == NULL) {
       // If no location was specified we use a computed one instead.
       ComputeLocation(&potential_computed_location);
       location = &potential_computed_location;
     }
     // It's not safe to try to make message objects or collect stack traces
     // while the bootstrapper is active since the infrastructure may not have
     // been properly initialized.
     if (!bootstrapping) {
+      Handle<String> stack_trace;
+      if (FLAG_trace_exception) stack_trace = StackTraceString();
       Handle<JSArray> stack_trace_object;
       if (capture_stack_trace_for_uncaught_exceptions_) {
         if (IsErrorObject(exception_handle)) {
           // We fetch the stack trace that corresponds to this error object.
           String* key = heap()->hidden_stack_trace_string();
           Object* stack_property =
               JSObject::cast(*exception_handle)->GetHiddenProperty(key);
           // Property lookup may have failed.  In this case it's probably not
           // a valid Error object.
           if (stack_property->IsJSArray()) {
@@ skipping 19 matching lines @@
         if (failed) {
           exception_arg = factory()->InternalizeOneByteString(
               STATIC_ASCII_VECTOR("exception"));
         }
       }
       Handle<Object> message_obj = MessageHandler::MakeMessageObject(
           this,
           "uncaught_exception",
           location,
           HandleVector<Object>(&exception_arg, 1),
+          stack_trace,
           stack_trace_object);
       thread_local_top()->pending_message_obj_ = *message_obj;
       if (location != NULL) {
         thread_local_top()->pending_message_script_ = *location->script();
         thread_local_top()->pending_message_start_pos_ = location->start_pos();
         thread_local_top()->pending_message_end_pos_ = location->end_pos();
       }
 
       // If the abort-on-uncaught-exception flag is specified, abort on any
       // exception not caught by JavaScript, even when an external handler is
@@ skipping 382 matching lines @@
       use_crankshaft_(true),
       initialized_from_snapshot_(false),
       cpu_profiler_(NULL),
       heap_profiler_(NULL),
       function_entry_hook_(NULL),
       deferred_handles_head_(NULL),
       optimizing_compiler_thread_(NULL),
       sweeper_thread_(NULL),
       num_sweeper_threads_(0),
       max_available_threads_(0),
-      stress_deopt_count_(0),
-      next_optimization_id_(0) {
+      stress_deopt_count_(0) {
   id_ = NoBarrier_AtomicIncrement(&isolate_counter_, 1);
   TRACE_ISOLATE(constructor);
 
   memset(isolate_addresses_, 0,
       sizeof(isolate_addresses_[0]) * (kIsolateAddressCount + 1));
 
   heap_.isolate_ = this;
   stack_guard_.isolate_ = this;
 
   // ThreadManager is initialized early to support locking an isolate
   // before it is entered.
   thread_manager_ = new ThreadManager();
   thread_manager_->isolate_ = this;
 
 #if V8_TARGET_ARCH_ARM && !defined(__arm__) || \
-    V8_TARGET_ARCH_A64 && !defined(__aarch64__) || \
     V8_TARGET_ARCH_MIPS && !defined(__mips__)
   simulator_initialized_ = false;
   simulator_i_cache_ = NULL;
   simulator_redirection_ = NULL;
 #endif
 
 #ifdef DEBUG
   // heap_histograms_ initializes itself.
   memset(&js_spill_information_, 0, sizeof(js_spill_information_));
   memset(code_kind_statistics_, 0,
@@ skipping 70 matching lines @@
     }
 
     for (int i = 0; i < num_sweeper_threads_; i++) {
       sweeper_thread_[i]->Stop();
       delete sweeper_thread_[i];
       sweeper_thread_[i] = NULL;
     }
     delete[] sweeper_thread_;
     sweeper_thread_ = NULL;
 
-    if (FLAG_job_based_sweeping &&
-        heap_.mark_compact_collector()->IsConcurrentSweepingInProgress()) {
-      heap_.mark_compact_collector()->WaitUntilSweepingCompleted();
-    }
 
     if (FLAG_hydrogen_stats) GetHStatistics()->Print();
 
     if (FLAG_print_deopt_stress) {
       PrintF(stdout, "=== Stress deopt counter: %u\n", stress_deopt_count_);
     }
 
     // We must stop the logger before we tear down other components.
     Sampler* sampler = logger_->sampler();
     if (sampler && sampler->IsActive()) sampler->Stop();
@@ skipping 275 matching lines @@
   call_descriptors_ =
       new CallInterfaceDescriptor[NUMBER_OF_CALL_DESCRIPTORS];
   cpu_profiler_ = new CpuProfiler(this);
   heap_profiler_ = new HeapProfiler(heap());
 
   // Enable logging before setting up the heap
   logger_->SetUp(this);
 
   // Initialize other runtime facilities
 #if defined(USE_SIMULATOR)
-#if V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_A64 || V8_TARGET_ARCH_MIPS
+#if V8_TARGET_ARCH_ARM || V8_TARGET_ARCH_MIPS
   Simulator::Initialize(this);
 #endif
 #endif
 
   { // NOLINT
     // Ensure that the thread has a valid stack guard.  The v8::Locker object
     // will ensure this too, but we don't have to use lockers if we are only
     // using one thread.
     ExecutionAccess lock(this);
     stack_guard_.InitThread(lock);
@@ skipping 25 matching lines @@
   builtins_.SetUp(this, create_heap_objects);
 
   // Set default value if not yet set.
   // TODO(yangguo): move this to ResourceConstraints::ConfigureDefaults
   // once ResourceConstraints becomes an argument to the Isolate constructor.
   if (max_available_threads_ < 1) {
     // Choose the default between 1 and 4.
     max_available_threads_ = Max(Min(CPU::NumberOfProcessorsOnline(), 4), 1);
   }
 
-  if (!FLAG_job_based_sweeping) {
-    num_sweeper_threads_ =
-        SweeperThread::NumberOfThreads(max_available_threads_);
-  }
+  num_sweeper_threads_ = SweeperThread::NumberOfThreads(max_available_threads_);
 
   if (FLAG_trace_hydrogen || FLAG_trace_hydrogen_stubs) {
     PrintF("Concurrent recompilation has been disabled for tracing.\n");
   } else if (OptimizingCompilerThread::Enabled(max_available_threads_)) {
     optimizing_compiler_thread_ = new OptimizingCompilerThread(this);
     optimizing_compiler_thread_->Start();
   }
 
   if (num_sweeper_threads_ > 0) {
     sweeper_thread_ = new SweeperThread*[num_sweeper_threads_];
@@ skipping 65 matching lines @@
         kDeoptTableSerializeEntryCount - 1);
   }
 
   if (!Serializer::enabled()) {
     // Ensure that all stubs which need to be generated ahead of time, but
     // cannot be serialized into the snapshot have been generated.
     HandleScope scope(this);
     CodeStub::GenerateFPStubs(this);
     StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime(this);
     StubFailureTrampolineStub::GenerateAheadOfTime(this);
-    // Ensure interface descriptors are initialized even when stubs have been
-    // deserialized out of the snapshot without using the graph builder.
-    FastCloneShallowArrayStub::InstallDescriptors(this);
+    // TODO(mstarzinger): The following is an ugly hack to make sure the
+    // interface descriptor is initialized even when stubs have been
+    // deserialized out of the snapshot without the graph builder.
+    FastCloneShallowArrayStub stub(FastCloneShallowArrayStub::CLONE_ELEMENTS,
+                                   DONT_TRACK_ALLOCATION_SITE, 0);
+    stub.InitializeInterfaceDescriptor(
+        this, code_stub_interface_descriptor(CodeStub::FastCloneShallowArray));
     BinaryOpICStub::InstallDescriptors(this);
     BinaryOpWithAllocationSiteStub::InstallDescriptors(this);
-    CompareNilICStub::InstallDescriptors(this);
-    ToBooleanStub::InstallDescriptors(this);
-    ToNumberStub::InstallDescriptors(this);
+    CompareNilICStub::InitializeForIsolate(this);
+    ToBooleanStub::InitializeForIsolate(this);
     ArrayConstructorStubBase::InstallDescriptors(this);
     InternalArrayConstructorStubBase::InstallDescriptors(this);
     FastNewClosureStub::InstallDescriptors(this);
     FastNewContextStub::InstallDescriptors(this);
     NumberToStringStub::InstallDescriptors(this);
     StringAddStub::InstallDescriptors(this);
     RegExpConstructResultStub::InstallDescriptors(this);
   }
 
   CallDescriptors::InitializeForIsolate(this);
@@ skipping 189 matching lines @@
 
 #ifdef DEBUG
 #define ISOLATE_FIELD_OFFSET(type, name, ignored)                       \
 const intptr_t Isolate::name##_debug_offset_ = OFFSET_OF(Isolate, name##_);
 ISOLATE_INIT_LIST(ISOLATE_FIELD_OFFSET)
 ISOLATE_INIT_ARRAY_LIST(ISOLATE_FIELD_OFFSET)
 #undef ISOLATE_FIELD_OFFSET
 #endif
 
 } }  // namespace v8::internal