Factor out common code from platform-specific deoptimization. Fix Deoptimizer not to need to partit…

src/arm/deoptimizer-arm.cc

Index: src/arm/deoptimizer-arm.cc
diff --git a/src/arm/deoptimizer-arm.cc b/src/arm/deoptimizer-arm.cc
index 780bafb7554c98636d46ef1a03aec0f6f8f71c2e..9f2f989caca9d0766067090ff02cfd6a0dd7acfb 100644
--- a/src/arm/deoptimizer-arm.cc
+++ b/src/arm/deoptimizer-arm.cc
@@ -44,22 +44,8 @@ int Deoptimizer::patch_size() {
 }
 
 
-void Deoptimizer::DeoptimizeFunctionWithPreparedFunctionList(
-    JSFunction* function) {
-  Isolate* isolate = function->GetIsolate();
-  HandleScope scope(isolate);
-  DisallowHeapAllocation no_allocation;
-
-  ASSERT(function->IsOptimized());
-  ASSERT(function->FunctionsInFunctionListShareSameCode());
-
-  // Get the optimized code.
-  Code* code = function->code();
+void Deoptimizer::PatchCodeForDeoptimization(Isolate* isolate, Code* code) {
   Address code_start_address = code->instruction_start();
-
-  // The optimized code is going to be patched, so we cannot use it any more.
-  function->shared()->EvictFromOptimizedCodeMap(code, "deoptimized function");
-
   // Invalidate the relocation information, as it will become invalid by the
   // code patching below, and is not needed any more.
   code->InvalidateRelocation();
@@ -92,25 +78,6 @@ void Deoptimizer::DeoptimizeFunctionWithPreparedFunctionList(
     prev_call_address = call_address;
 #endif
   }
-
-  // Add the deoptimizing code to the list.
-  DeoptimizingCodeListNode* node = new DeoptimizingCodeListNode(code);
-  DeoptimizerData* data = isolate->deoptimizer_data();
-  node->set_next(data->deoptimizing_code_list_);
-  data->deoptimizing_code_list_ = node;
-
-  // We might be in the middle of incremental marking with compaction.
-  // Tell collector to treat this code object in a special way and
-  // ignore all slots that might have been recorded on it.
-  isolate->heap()->mark_compact_collector()->InvalidateCode(code);
-
-  ReplaceCodeForRelatedFunctions(function, code);
-
-  if (FLAG_trace_deopt) {
-    PrintF("[forced deoptimization: ");
-    function->PrintName();
-    PrintF(" / %x]\n", reinterpret_cast<uint32_t>(function));
-  }
 }