[stubs] A new approach to TF stubs

src/heap/heap.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_HEAP_HEAP_H_
 #define V8_HEAP_HEAP_H_
 
 #include <cmath>
 #include <map>
 
@@ skipping 148 matching lines @@
   V(UnseededNumberDictionary, non_monomorphic_cache, NonMonomorphicCache)      \
   V(PolymorphicCodeCache, polymorphic_code_cache, PolymorphicCodeCache)        \
   V(Code, js_entry_code, JsEntryCode)                                          \
   V(Code, js_construct_entry_code, JsConstructEntryCode)                       \
   V(FixedArray, natives_source_cache, NativesSourceCache)                      \
   V(FixedArray, experimental_natives_source_cache,                             \
     ExperimentalNativesSourceCache)                                            \
   V(FixedArray, extra_natives_source_cache, ExtraNativesSourceCache)           \
   V(FixedArray, experimental_extra_natives_source_cache,                       \
     ExperimentalExtraNativesSourceCache)                                       \
-  V(FixedArray, code_stub_natives_source_cache, CodeStubNativesSourceCache)    \
   V(Script, empty_script, EmptyScript)                                         \
   V(NameDictionary, intrinsic_function_names, IntrinsicFunctionNames)          \
   V(Cell, undefined_cell, UndefinedCell)                                       \
   V(JSObject, observation_state, ObservationState)                             \
   V(Object, symbol_registry, SymbolRegistry)                                   \
   V(Object, script_list, ScriptList)                                           \
   V(SeededNumberDictionary, empty_slow_element_dictionary,                     \
     EmptySlowElementDictionary)                                                \
   V(FixedArray, materialized_objects, MaterializedObjects)                     \
   V(FixedArray, allocation_sites_scratchpad, AllocationSitesScratchpad)        \
   V(FixedArray, microtask_queue, MicrotaskQueue)                               \
   V(TypeFeedbackVector, dummy_vector, DummyVector)                             \
   V(FixedArray, cleared_optimized_code_map, ClearedOptimizedCodeMap)           \
   V(FixedArray, detached_contexts, DetachedContexts)                           \
   V(ArrayList, retained_maps, RetainedMaps)                                    \
   V(WeakHashTable, weak_object_to_code_table, WeakObjectToCodeTable)           \
   V(PropertyCell, array_protector, ArrayProtector)                             \
   V(PropertyCell, empty_property_cell, EmptyPropertyCell)                      \
   V(Object, weak_stack_trace_list, WeakStackTraceList)                         \
-  V(Object, code_stub_context, CodeStubContext)                                \
-  V(JSObject, code_stub_exports_object, CodeStubExportsObject)                 \
   V(Object, noscript_shared_function_infos, NoScriptSharedFunctionInfos)       \
   V(FixedArray, interpreter_table, InterpreterTable)                           \
   V(Map, bytecode_array_map, BytecodeArrayMap)                                 \
   V(BytecodeArray, empty_bytecode_array, EmptyBytecodeArray)
 
 
 // Entries in this list are limited to Smis and are not visited during GC.
 #define SMI_ROOT_LIST(V)                                                   \
   V(Smi, stack_limit, StackLimit)                                          \
   V(Smi, real_stack_limit, RealStackLimit)                                 \
@@ skipping 945 matching lines @@
 
   // Sets the non_monomorphic_cache_ (only used when expanding the dictionary).
   void SetRootNonMonomorphicCache(UnseededNumberDictionary* value) {
     roots_[kNonMonomorphicCacheRootIndex] = value;
   }
 
   void SetRootMaterializedObjects(FixedArray* objects) {
     roots_[kMaterializedObjectsRootIndex] = objects;
   }
 
-  void SetRootCodeStubContext(Object* value) {
-    roots_[kCodeStubContextRootIndex] = value;
-  }
-
-  void SetRootCodeStubExportsObject(JSObject* value) {
-    roots_[kCodeStubExportsObjectRootIndex] = value;
-  }
-
   void SetRootScriptList(Object* value) {
     roots_[kScriptListRootIndex] = value;
   }
 
   void SetRootStringTable(StringTable* value) {
     roots_[kStringTableRootIndex] = value;
   }
 
   void SetRootNoScriptSharedFunctionInfos(Object* value) {
     roots_[kNoScriptSharedFunctionInfosRootIndex] = value;
@@ skipping 1555 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_HEAP_H_