Revert of Embedded constant pools.

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 34 matching lines @@
   V(Map, shared_function_info_map, SharedFunctionInfoMap)                      \
   V(Map, meta_map, MetaMap)                                                    \
   V(Map, heap_number_map, HeapNumberMap)                                       \
   V(Map, mutable_heap_number_map, MutableHeapNumberMap)                        \
   V(Map, native_context_map, NativeContextMap)                                 \
   V(Map, fixed_array_map, FixedArrayMap)                                       \
   V(Map, code_map, CodeMap)                                                    \
   V(Map, scope_info_map, ScopeInfoMap)                                         \
   V(Map, fixed_cow_array_map, FixedCOWArrayMap)                                \
   V(Map, fixed_double_array_map, FixedDoubleArrayMap)                          \
+  V(Map, constant_pool_array_map, ConstantPoolArrayMap)                        \
   V(Map, weak_cell_map, WeakCellMap)                                           \
   V(Map, one_byte_string_map, OneByteStringMap)                                \
   V(Map, one_byte_internalized_string_map, OneByteInternalizedStringMap)       \
   V(Map, function_context_map, FunctionContextMap)                             \
   V(FixedArray, empty_fixed_array, EmptyFixedArray)                            \
   V(ByteArray, empty_byte_array, EmptyByteArray)                               \
   V(DescriptorArray, empty_descriptor_array, EmptyDescriptorArray)             \
+  V(ConstantPoolArray, empty_constant_pool_array, EmptyConstantPoolArray)      \
   /* The roots above this line should be boring from a GC point of view.    */ \
   /* This means they are never in new space and never on a page that is     */ \
   /* being compacted.                                                       */ \
   V(Oddball, no_interceptor_result_sentinel, NoInterceptorResultSentinel)      \
   V(Oddball, arguments_marker, ArgumentsMarker)                                \
   V(Oddball, exception, Exception)                                             \
   V(Oddball, termination_exception, TerminationException)                      \
   V(FixedArray, number_string_cache, NumberStringCache)                        \
   V(Object, instanceof_cache_function, InstanceofCacheFunction)                \
   V(Object, instanceof_cache_map, InstanceofCacheMap)                          \
@@ skipping 269 matching lines @@
   V(SharedFunctionInfoMap)              \
   V(MetaMap)                            \
   V(HeapNumberMap)                      \
   V(MutableHeapNumberMap)               \
   V(NativeContextMap)                   \
   V(FixedArrayMap)                      \
   V(CodeMap)                            \
   V(ScopeInfoMap)                       \
   V(FixedCOWArrayMap)                   \
   V(FixedDoubleArrayMap)                \
+  V(ConstantPoolArrayMap)               \
   V(WeakCellMap)                        \
   V(NoInterceptorResultSentinel)        \
   V(HashTableMap)                       \
   V(OrderedHashTableMap)                \
   V(EmptyFixedArray)                    \
   V(EmptyByteArray)                     \
   V(EmptyDescriptorArray)               \
+  V(EmptyConstantPoolArray)             \
   V(ArgumentsMarker)                    \
   V(SymbolMap)                          \
   V(SloppyArgumentsElementsMap)         \
   V(FunctionContextMap)                 \
   V(CatchContextMap)                    \
   V(WithContextMap)                     \
   V(BlockContextMap)                    \
   V(ModuleContextMap)                   \
   V(ScriptContextMap)                   \
   V(UndefinedMap)                       \
@@ skipping 1588 matching lines @@
   // Make a copy of src, set the map, and return the copy. Returns
   // Failure::RetryAfterGC(requested_bytes, space) if the allocation failed.
   MUST_USE_RESULT AllocationResult
       CopyFixedArrayWithMap(FixedArray* src, Map* map);
 
   // Make a copy of src and return it. Returns
   // Failure::RetryAfterGC(requested_bytes, space) if the allocation failed.
   MUST_USE_RESULT inline AllocationResult CopyFixedDoubleArray(
       FixedDoubleArray* src);
 
+  // Make a copy of src and return it. Returns
+  // Failure::RetryAfterGC(requested_bytes, space) if the allocation failed.
+  MUST_USE_RESULT inline AllocationResult CopyConstantPoolArray(
+      ConstantPoolArray* src);
+
+
   // Computes a single character string where the character has code.
   // A cache is used for one-byte (Latin1) codes.
   MUST_USE_RESULT AllocationResult
       LookupSingleCharacterStringFromCode(uint16_t code);
 
   // Allocate a symbol in old space.
   MUST_USE_RESULT AllocationResult AllocateSymbol();
 
+  // Make a copy of src, set the map, and return the copy.
+  MUST_USE_RESULT AllocationResult
+      CopyConstantPoolArrayWithMap(ConstantPoolArray* src, Map* map);
+
+  MUST_USE_RESULT AllocationResult AllocateConstantPoolArray(
+      const ConstantPoolArray::NumberOfEntries& small);
+
+  MUST_USE_RESULT AllocationResult AllocateExtendedConstantPoolArray(
+      const ConstantPoolArray::NumberOfEntries& small,
+      const ConstantPoolArray::NumberOfEntries& extended);
+
   // Allocates an external array of the specified length and type.
   MUST_USE_RESULT AllocationResult
       AllocateExternalArray(int length, ExternalArrayType array_type,
                             void* external_pointer, PretenureFlag pretenure);
 
   // Allocates a fixed typed array of the specified length and type.
   MUST_USE_RESULT AllocationResult
       AllocateFixedTypedArray(int length, ExternalArrayType array_type,
                               PretenureFlag pretenure);
 
@@ skipping 19 matching lines @@
   MUST_USE_RESULT AllocationResult AllocateEmptyFixedArray();
 
   // Allocate empty external array of given type.
   MUST_USE_RESULT AllocationResult
       AllocateEmptyExternalArray(ExternalArrayType array_type);
 
   // Allocate empty fixed typed array of given type.
   MUST_USE_RESULT AllocationResult
       AllocateEmptyFixedTypedArray(ExternalArrayType array_type);
 
+  // Allocate empty constant pool array.
+  MUST_USE_RESULT AllocationResult AllocateEmptyConstantPoolArray();
+
   // Allocate a tenured simple cell.
   MUST_USE_RESULT AllocationResult AllocateCell(Object* value);
 
   // Allocate a tenured JS global property cell initialized with the hole.
   MUST_USE_RESULT AllocationResult AllocatePropertyCell();
 
   MUST_USE_RESULT AllocationResult AllocateWeakCell(HeapObject* value);
 
   // Allocates a new utility object in the old generation.
   MUST_USE_RESULT AllocationResult AllocateStruct(InstanceType type);
@@ skipping 699 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 }
 }  // namespace v8::internal
 
 #endif  // V8_HEAP_HEAP_H_