[Interpreter] Remove InterpreterExitTrampoline and replace with returning to the entry trampoline.

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 186 matching lines @@
   V(Cell, species_protector, SpeciesProtector)
 
 // 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)                                 \
   V(Smi, last_script_id, LastScriptId)                                     \
   V(Smi, arguments_adaptor_deopt_pc_offset, ArgumentsAdaptorDeoptPCOffset) \
   V(Smi, construct_stub_deopt_pc_offset, ConstructStubDeoptPCOffset)       \
   V(Smi, getter_stub_deopt_pc_offset, GetterStubDeoptPCOffset)             \
-  V(Smi, setter_stub_deopt_pc_offset, SetterStubDeoptPCOffset)
-
+  V(Smi, setter_stub_deopt_pc_offset, SetterStubDeoptPCOffset)             \
+  V(Smi, interpreter_entry_return_pc_offset, InterpreterEntryReturnPCOffset)
 
 #define ROOT_LIST(V)  \
   STRONG_ROOT_LIST(V) \
   SMI_ROOT_LIST(V)    \
   V(StringTable, string_table, StringTable)
 
 
 // Heap roots that are known to be immortal immovable, for which we can safely
 // skip write barriers. This list is not complete and has omissions.
 #define IMMORTAL_IMMOVABLE_ROOT_LIST(V) \
@@ skipping 567 matching lines @@
   inline void CompletelyClearInstanceofCache();
 
   inline uint32_t HashSeed();
 
   inline int NextScriptId();
 
   inline void SetArgumentsAdaptorDeoptPCOffset(int pc_offset);
   inline void SetConstructStubDeoptPCOffset(int pc_offset);
   inline void SetGetterStubDeoptPCOffset(int pc_offset);
   inline void SetSetterStubDeoptPCOffset(int pc_offset);
+  inline void SetInterpreterEntryReturnPCOffset(int pc_offset);
 
   // For post mortem debugging.
   void RememberUnmappedPage(Address page, bool compacted);
 
   // Global inline caching age: it is incremented on some GCs after context
   // disposal. We use it to flush inline caches.
   int global_ic_age() { return global_ic_age_; }
 
   void AgeInlineCaches() {
     global_ic_age_ = (global_ic_age_ + 1) & SharedFunctionInfo::ICAgeBits::kMax;
@@ skipping 1839 matching lines @@
   friend class LargeObjectSpace;
   friend class NewSpace;
   friend class PagedSpace;
   DISALLOW_COPY_AND_ASSIGN(AllocationObserver);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_HEAP_HEAP_H_