A64: Synchronize with r18764.

src/heap.h

 // Copyright 2012 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 138 matching lines @@
   V(ExternalArray, empty_external_short_array, EmptyExternalShortArray)        \
   V(ExternalArray, empty_external_unsigned_short_array,                        \
       EmptyExternalUnsignedShortArray)                                         \
   V(ExternalArray, empty_external_int_array, EmptyExternalIntArray)            \
   V(ExternalArray, empty_external_unsigned_int_array,                          \
       EmptyExternalUnsignedIntArray)                                           \
   V(ExternalArray, empty_external_float_array, EmptyExternalFloatArray)        \
   V(ExternalArray, empty_external_double_array, EmptyExternalDoubleArray)      \
   V(ExternalArray, empty_external_pixel_array,                                 \
       EmptyExternalPixelArray)                                                 \
+  V(Map, fixed_uint8_array_map, FixedUint8ArrayMap)                            \
+  V(Map, fixed_int8_array_map, FixedInt8ArrayMap)                              \
+  V(Map, fixed_uint16_array_map, FixedUint16ArrayMap)                          \
+  V(Map, fixed_int16_array_map, FixedInt16ArrayMap)                            \
+  V(Map, fixed_uint32_array_map, FixedUint32ArrayMap)                          \
+  V(Map, fixed_int32_array_map, FixedInt32ArrayMap)                            \
+  V(Map, fixed_float32_array_map, FixedFloat32ArrayMap)                        \
+  V(Map, fixed_float64_array_map, FixedFloat64ArrayMap)                        \
+  V(Map, fixed_uint8_clamped_array_map, FixedUint8ClampedArrayMap)             \
   V(Map, non_strict_arguments_elements_map, NonStrictArgumentsElementsMap)     \
   V(Map, function_context_map, FunctionContextMap)                             \
   V(Map, catch_context_map, CatchContextMap)                                   \
   V(Map, with_context_map, WithContextMap)                                     \
   V(Map, block_context_map, BlockContextMap)                                   \
   V(Map, module_context_map, ModuleContextMap)                                 \
   V(Map, global_context_map, GlobalContextMap)                                 \
   V(Map, oddball_map, OddballMap)                                              \
   V(Map, message_object_map, JSMessageObjectMap)                               \
   V(Map, foreign_map, ForeignMap)                                              \
@@ skipping 277 matching lines @@
   inline void Iterate(ObjectVisitor* v);
 
   // Restores internal invariant and gets rid of collected strings.
   // Must be called after each Iterate() that modified the strings.
   void CleanUp();
 
   // Destroys all allocated memory.
   void TearDown();
 
  private:
-  ExternalStringTable() { }
+  explicit ExternalStringTable(Heap* heap) : heap_(heap) { }
 
   friend class Heap;
 
   inline void Verify();
 
   inline void AddOldString(String* string);
 
   // Notifies the table that only a prefix of the new list is valid.
   inline void ShrinkNewStrings(int position);
 
@@ skipping 401 matching lines @@
   // Allocates an external array of the specified length and type.
   // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
   // failed.
   // Please note this does not perform a garbage collection.
   MUST_USE_RESULT MaybeObject* AllocateExternalArray(
       int length,
       ExternalArrayType array_type,
       void* external_pointer,
       PretenureFlag pretenure);
 
+  // Allocates a fixed typed array of the specified length and type.
+  // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
+  // failed.
+  // Please note this does not perform a garbage collection.
+  MUST_USE_RESULT MaybeObject* AllocateFixedTypedArray(
+      int length,
+      ExternalArrayType array_type,
+      PretenureFlag pretenure);
+
   // Allocate a symbol in old space.
   // Returns Failure::RetryAfterGC(requested_bytes, space) if the allocation
   // failed.
   // Please note this does not perform a garbage collection.
   MUST_USE_RESULT MaybeObject* AllocateSymbol();
   MUST_USE_RESULT MaybeObject* AllocatePrivateSymbol();
 
   // Allocate a tenured AllocationSite. It's payload is null
   MUST_USE_RESULT MaybeObject* AllocateAllocationSite();
 
@@ skipping 230 matching lines @@
 
   // Copy the code and scope info part of the code object, but insert
   // the provided data as the relocation information.
   MUST_USE_RESULT MaybeObject* CopyCode(Code* code, Vector<byte> reloc_info);
 
   // Finds the internalized copy for string in the string table.
   // If not found, a new string is added to the table and returned.
   // Returns Failure::RetryAfterGC(requested_bytes, space) if allocation
   // failed.
   // Please note this function does not perform a garbage collection.
-  MUST_USE_RESULT MaybeObject* InternalizeUtf8String(Vector<const char> str);
   MUST_USE_RESULT MaybeObject* InternalizeUtf8String(const char* str) {
     return InternalizeUtf8String(CStrVector(str));
   }
-  MUST_USE_RESULT MaybeObject* InternalizeOneByteString(
-      Vector<const uint8_t> str);
-  MUST_USE_RESULT MaybeObject* InternalizeTwoByteString(Vector<const uc16> str);
+  MUST_USE_RESULT MaybeObject* InternalizeUtf8String(Vector<const char> str);
+
   MUST_USE_RESULT MaybeObject* InternalizeString(String* str);
-  MUST_USE_RESULT MaybeObject* InternalizeOneByteString(
-      Handle<SeqOneByteString> string, int from, int length);
+  MUST_USE_RESULT MaybeObject* InternalizeStringWithKey(HashTableKey* key);
 
   bool InternalizeStringIfExists(String* str, String** result);
   bool InternalizeTwoCharsStringIfExists(String* str, String** result);
 
   // Compute the matching internalized string map for a string if possible.
   // NULL is returned if string is in new space or not flattened.
   Map* InternalizedStringMapForString(String* str);
 
   // Tries to flatten a string before compare operation.
   //
@@ skipping 401 matching lines @@
   STATIC_CHECK(kFalseValueRootIndex == Internals::kFalseValueRootIndex);
   STATIC_CHECK(kempty_stringRootIndex == Internals::kEmptyStringRootIndex);
 
   // Generated code can embed direct references to non-writable roots if
   // they are in new space.
   static bool RootCanBeWrittenAfterInitialization(RootListIndex root_index);
   // Generated code can treat direct references to this root as constant.
   bool RootCanBeTreatedAsConstant(RootListIndex root_index);
 
   MUST_USE_RESULT MaybeObject* NumberToString(
-      Object* number, bool check_number_string_cache = true,
-      PretenureFlag pretenure = NOT_TENURED);
+      Object* number, bool check_number_string_cache = true);
   MUST_USE_RESULT MaybeObject* Uint32ToString(
       uint32_t value, bool check_number_string_cache = true);
 
+  Map* MapForFixedTypedArray(ExternalArrayType array_type);
+  RootListIndex RootIndexForFixedTypedArray(
+      ExternalArrayType array_type);
+
   Map* MapForExternalArrayType(ExternalArrayType array_type);
   RootListIndex RootIndexForExternalArrayType(
       ExternalArrayType array_type);
 
   RootListIndex RootIndexForEmptyExternalArray(ElementsKind kind);
   ExternalArray* EmptyExternalArrayForMap(Map* map);
 
   void RecordStats(HeapStats* stats, bool take_snapshot = false);
 
   // Copy block of memory from src to dst. Size of block should be aligned
@@ skipping 262 matching lines @@
   MaybeObject* AddWeakObjectToCodeDependency(Object* obj, DependentCode* dep);
 
   DependentCode* LookupWeakObjectToCodeDependency(Object* obj);
 
   void InitializeWeakObjectToCodeTable() {
     set_weak_object_to_code_table(undefined_value());
   }
 
   void EnsureWeakObjectToCodeTable();
 
+  static void FatalProcessOutOfMemory(const char* location,
+                                      bool take_snapshot = false);
+
  private:
   Heap();
 
   // This can be calculated directly from a pointer to the heap; however, it is
   // more expedient to get at the isolate directly from within Heap methods.
   Isolate* isolate_;
 
   Object* roots_[kRootListLength];
 
   intptr_t code_range_size_;
@@ skipping 1162 matching lines @@
   DisallowHeapAllocation no_allocation;  // i.e. no gc allowed.
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(PathTracer);
 };
 #endif  // DEBUG
 
 } }  // namespace v8::internal
 
 #endif  // V8_HEAP_H_