Turn interrupt and stack check into builtins.

src/deoptimizer.cc

 // Copyright 2013 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 2575 matching lines @@
   }
 
   *input_offset -= kPointerSize;
   return true;
 }
 
 
 void Deoptimizer::PatchInterruptCode(Isolate* isolate,
                                      Code* unoptimized_code) {
   DisallowHeapAllocation no_gc;
-  // 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;
-  CHECK(interrupt_stub.FindCodeInCache(&interrupt_code, isolate));
   Code* replacement_code =
       isolate->builtins()->builtin(Builtins::kOnStackReplacement);
 
   // Iterate over the back edge table and patch every interrupt
   // call to an unconditional call to the replacement code.
   int loop_nesting_level = unoptimized_code->allow_osr_at_loop_nesting_level();
 
   for (FullCodeGenerator::BackEdgeTableIterator back_edges(unoptimized_code);
        !back_edges.Done();
        back_edges.Next()) {
@@ skipping 10 matching lines @@
   unoptimized_code->set_back_edges_patched_for_osr(true);
 #ifdef DEBUG
   Deoptimizer::VerifyInterruptCode(
       isolate, unoptimized_code, loop_nesting_level);
 #endif  // DEBUG
 }
 
 
 void Deoptimizer::RevertInterruptCode(Isolate* isolate,
                                       Code* unoptimized_code) {
-  InterruptStub interrupt_stub;
-  Code* interrupt_code = *interrupt_stub.GetCode(isolate);
   DisallowHeapAllocation no_gc;
+  Code* interrupt_code =
+      isolate->builtins()->builtin(Builtins::kInterruptCheck);
 
   // Iterate over the back edge table and revert the patched interrupt calls.
   ASSERT(unoptimized_code->back_edges_patched_for_osr());
   int loop_nesting_level = unoptimized_code->allow_osr_at_loop_nesting_level();
 
   for (FullCodeGenerator::BackEdgeTableIterator back_edges(unoptimized_code);
        !back_edges.Done();
        back_edges.Next()) {
     if (static_cast<int>(back_edges.loop_depth()) <= loop_nesting_level) {
       ASSERT_EQ(PATCHED_FOR_OSR, GetInterruptPatchState(isolate,
@@ skipping 688 matching lines @@
 
 void DeoptimizedFrameInfo::Iterate(ObjectVisitor* v) {
   v->VisitPointer(BitCast<Object**>(&function_));
   v->VisitPointers(parameters_, parameters_ + parameters_count_);
   v->VisitPointers(expression_stack_, expression_stack_ + expression_count_);
 }
 
 #endif  // ENABLE_DEBUGGER_SUPPORT
 
 } }  // namespace v8::internal