Notify CPU profiler when calling native getters

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index 60c5c2675f791a324d278cb2679b88fcdefd17db..17d4aac8add74eda4d6a69bc060427b26360b065 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -1973,6 +1973,8 @@ void MacroAssembler::PrepareCallApiFunction(int argc, bool returns_handle) {
 
 
 void MacroAssembler::CallApiFunctionAndReturn(Address function_address,
+                                              Address thunk_address,
+                                              Operand thunk_last_arg,
                                               int stack_space,
                                               bool returns_handle,
                                               int return_value_offset) {
@@ -1998,8 +2000,26 @@ void MacroAssembler::CallApiFunctionAndReturn(Address function_address,
     PopSafepointRegisters();
   }
 
+
+  Label profiler_disabled;
+  Label end_profiler_check;
+  bool* is_profiling_flag =
+      isolate()->cpu_profiler()->is_profiling_address();
+  STATIC_ASSERT(sizeof(*is_profiling_flag) == 1);
+  mov(eax, Immediate(reinterpret_cast<Address>(is_profiling_flag)));
+  cmpb(Operand(eax, 0), 0);
+  j(zero, &profiler_disabled);
+
+  // Additional parameter is the address of the actual getter function.
+  mov(thunk_last_arg, Immediate(function_address));
+  // Call the api function.
+  call(thunk_address, RelocInfo::RUNTIME_ENTRY);
+  jmp(&end_profiler_check);
+
+  bind(&profiler_disabled);
   // Call the api function.
   call(function_address, RelocInfo::RUNTIME_ENTRY);
+  bind(&end_profiler_check);
 
   if (FLAG_log_timer_events) {
     FrameScope frame(this, StackFrame::MANUAL);