[Interpreter] Add support for cpu profiler logging.

src/isolate.cc

 // Copyright 2012 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/isolate.h"
 
 #include <stdlib.h>
 
 #include <fstream>  // NOLINT(readability/streams)
 #include <sstream>
@@ skipping 1784 matching lines @@
       has_fatal_error_(false),
       initialized_from_snapshot_(false),
       cpu_profiler_(NULL),
       heap_profiler_(NULL),
       function_entry_hook_(NULL),
       deferred_handles_head_(NULL),
       optimizing_compile_dispatcher_(NULL),
       stress_deopt_count_(0),
       virtual_handler_register_(NULL),
       virtual_slot_register_(NULL),
+      interpreter_entry_trampoline_start_(NULL),
+      interpreter_entry_trampoline_end_(NULL),
+      interpreter_bytecode_dispatch_start_(NULL),
+      interpreter_bytecode_dispatch_end_(NULL),
       next_optimization_id_(0),
       js_calls_from_api_counter_(0),
 #if TRACE_MAPS
       next_unique_sfi_id_(0),
 #endif
       use_counter_callback_(NULL),
       basic_block_profiler_(NULL),
       cancelable_task_manager_(new CancelableTaskManager()),
       abort_on_uncaught_exception_callback_(NULL) {
   {
@@ skipping 405 matching lines @@
   runtime_profiler_ = new RuntimeProfiler(this);
 
   // If we are deserializing, read the state into the now-empty heap.
   if (!create_heap_objects) {
     des->Deserialize(this);
   }
   stub_cache_->Initialize();
 
   if (FLAG_ignition) {
     interpreter_->Initialize();
+
+    Handle<Code> entry_trampoine = builtins()->InterpreterEntryTrampoline();
+    interpreter_entry_trampoline_start_ = entry_trampoine->instruction_start();
+    interpreter_entry_trampoline_end_ = entry_trampoine->instruction_end();
+    Handle<Code> bytecode_dispatch =
+        builtins()->InterpreterEnterBytecodeDispatch();
+    interpreter_bytecode_dispatch_start_ =
+        bytecode_dispatch->instruction_start();
+    interpreter_bytecode_dispatch_end_ = bytecode_dispatch->instruction_end();
   }
 
   // Finish initialization of ThreadLocal after deserialization is done.
   clear_pending_exception();
   clear_pending_message();
   clear_scheduled_exception();
 
   // Deserializing may put strange things in the root array's copy of the
   // stack guard.
   heap_.SetStackLimits();
@@ skipping 670 matching lines @@
   // Then check whether this scope intercepts.
   if ((flag & intercept_mask_)) {
     intercepted_flags_ |= flag;
     return true;
   }
   return false;
 }
 
 }  // namespace internal
 }  // namespace v8