Refactor interrupt check patching for OSR.

src/runtime-profiler.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 159 matching lines @@
 
   // We're using on-stack replacement: patch the unoptimized code so that
   // any back edge in any unoptimized frame will trigger on-stack
   // replacement for that frame.
   if (FLAG_trace_osr) {
     PrintF("[patching back edges in ");
     function->PrintName();
     PrintF(" for on-stack replacement]\n");
   }
 
-  // Get the interrupt stub code object to match against.  We aren't
-  // prepared to generate it, but we don't expect to have to.
-  Code* interrupt_code = NULL;
-  InterruptStub interrupt_stub;
-  bool found_code = interrupt_stub.FindCodeInCache(&interrupt_code, isolate_);
-  if (found_code) {
-    Code* replacement_code =
-        isolate_->builtins()->builtin(Builtins::kOnStackReplacement);
-    Code* unoptimized_code = shared->code();
-    Deoptimizer::PatchInterruptCode(
-        unoptimized_code, interrupt_code, replacement_code);
-  }
+  Deoptimizer::PatchInterruptCode(isolate_, shared->code());
 }
 
 
 void RuntimeProfiler::ClearSampleBuffer() {
   memset(sampler_window_, 0, sizeof(sampler_window_));
   memset(sampler_window_weight_, 0, sizeof(sampler_window_weight_));
 }
 
 
 int RuntimeProfiler::LookupSample(JSFunction* function) {
@@ skipping 234 matching lines @@
 
 
 void RuntimeProfiler::UpdateSamplesAfterCompact(ObjectVisitor* visitor) {
   for (int i = 0; i < kSamplerWindowSize; i++) {
     visitor->VisitPointer(&sampler_window_[i]);
   }
 }
 
 
 } }  // namespace v8::internal