[debugger] infrastructure for side-effect-free debug-evaluate.

src/builtins/mips/builtins-mips.cc

Index: src/builtins/mips/builtins-mips.cc
diff --git a/src/builtins/mips/builtins-mips.cc b/src/builtins/mips/builtins-mips.cc
index fb08099ab3893103703db2976c39d45830b2acea..a7a493ebfafb3646afbcb079b97ce0c2fc39b5bf 100644
--- a/src/builtins/mips/builtins-mips.cc
+++ b/src/builtins/mips/builtins-mips.cc
@@ -870,12 +870,11 @@ void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
   // Flood function if we are stepping.
   Label prepare_step_in_if_stepping, prepare_step_in_suspended_generator;
   Label stepping_prepared;
-  ExternalReference last_step_action =
-      ExternalReference::debug_last_step_action_address(masm->isolate());
-  STATIC_ASSERT(StepFrame > StepIn);
-  __ li(t1, Operand(last_step_action));
+  ExternalReference debug_hook =
+      ExternalReference::debug_hook_on_function_call_address(masm->isolate());
+  __ li(t1, Operand(debug_hook));
   __ lb(t1, MemOperand(t1));
-  __ Branch(&prepare_step_in_if_stepping, ge, t1, Operand(StepIn));
+  __ Branch(&prepare_step_in_if_stepping, ne, t1, Operand(zero_reg));
 
   // Flood function if we need to continue stepping in the suspended generator.
   ExternalReference debug_suspended_generator =
@@ -942,7 +941,7 @@ void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
   {
     FrameScope scope(masm, StackFrame::INTERNAL);
     __ Push(a1, a2, t0);
-    __ CallRuntime(Runtime::kDebugPrepareStepInIfStepping);
+    __ CallRuntime(Runtime::kDebugOnFunctionCall);
     __ Pop(a1, a2);
   }
   __ Branch(USE_DELAY_SLOT, &stepping_prepared);