A64: Synchronize with r16849.

test/cctest/test-mark-compact.cc

 // 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 59 matching lines @@
   CHECK_EQ(original_address, current_address);
   DeleteArray(mem);
 }
 
 
 TEST(Promotion) {
   // This test requires compaction. If compaction is turned off, we
   // skip the entire test.
   if (FLAG_never_compact) return;
 
+  CcTest::InitializeVM();
+
   // Ensure that we get a compacting collection so that objects are promoted
   // from new space.
   FLAG_gc_global = true;
   FLAG_always_compact = true;
-  HEAP->ConfigureHeap(2*256*KB, 8*MB, 8*MB);
-
-  CcTest::InitializeVM();
+  Heap* heap = CcTest::heap();
+  heap->ConfigureHeap(2*256*KB, 8*MB, 8*MB);
 
   v8::HandleScope sc(CcTest::isolate());
 
   // Allocate a fixed array in the new space.
   int array_size =
       (Page::kMaxNonCodeHeapObjectSize - FixedArray::kHeaderSize) /
       (kPointerSize * 4);
-  Object* obj = HEAP->AllocateFixedArray(array_size)->ToObjectChecked();
+  Object* obj = heap->AllocateFixedArray(array_size)->ToObjectChecked();
 
   Handle<FixedArray> array(FixedArray::cast(obj));
 
   // Array should be in the new space.
-  CHECK(HEAP->InSpace(*array, NEW_SPACE));
+  CHECK(heap->InSpace(*array, NEW_SPACE));
 
   // Call the m-c collector, so array becomes an old object.
-  HEAP->CollectGarbage(OLD_POINTER_SPACE);
+  heap->CollectGarbage(OLD_POINTER_SPACE);
 
   // Array now sits in the old space
-  CHECK(HEAP->InSpace(*array, OLD_POINTER_SPACE));
+  CHECK(heap->InSpace(*array, OLD_POINTER_SPACE));
 }
 
 
 TEST(NoPromotion) {
-  HEAP->ConfigureHeap(2*256*KB, 8*MB, 8*MB);
-
   // Test the situation that some objects in new space are promoted to
   // the old space
   CcTest::InitializeVM();
 
+  CcTest::heap()->ConfigureHeap(2*256*KB, 8*MB, 8*MB);
+
   v8::HandleScope sc(CcTest::isolate());
 
   // Do a mark compact GC to shrink the heap.
-  HEAP->CollectGarbage(OLD_POINTER_SPACE);
+  CcTest::heap()->CollectGarbage(OLD_POINTER_SPACE);
 
   // Allocate a big Fixed array in the new space.
   int length = (Page::kMaxNonCodeHeapObjectSize -
       FixedArray::kHeaderSize) / (2 * kPointerSize);
-  Object* obj = i::Isolate::Current()->heap()->AllocateFixedArray(length)->
+  Object* obj = CcTest::heap()->AllocateFixedArray(length)->
       ToObjectChecked();
 
   Handle<FixedArray> array(FixedArray::cast(obj));
 
   // Array still stays in the new space.
-  CHECK(HEAP->InSpace(*array, NEW_SPACE));
+  CHECK(CcTest::heap()->InSpace(*array, NEW_SPACE));
 
   // Allocate objects in the old space until out of memory.
   FixedArray* host = *array;
   while (true) {
     Object* obj;
-    { MaybeObject* maybe_obj = HEAP->AllocateFixedArray(100, TENURED);
+    { MaybeObject* maybe_obj = CcTest::heap()->AllocateFixedArray(100, TENURED);
       if (!maybe_obj->ToObject(&obj)) break;
     }
 
     host->set(0, obj);
     host = FixedArray::cast(obj);
   }
 
   // Call mark compact GC, and it should pass.
-  HEAP->CollectGarbage(OLD_POINTER_SPACE);
+  CcTest::heap()->CollectGarbage(OLD_POINTER_SPACE);
 }
 
 
 TEST(MarkCompactCollector) {
   FLAG_incremental_marking = false;
   CcTest::InitializeVM();
-  Isolate* isolate = Isolate::Current();
+  Isolate* isolate = CcTest::i_isolate();
   Heap* heap = isolate->heap();
 
   v8::HandleScope sc(CcTest::isolate());
+  Handle<GlobalObject> global(isolate->context()->global_object());
 
   // call mark-compact when heap is empty
   heap->CollectGarbage(OLD_POINTER_SPACE, "trigger 1");
 
   // keep allocating garbage in new space until it fails
   const int ARRAY_SIZE = 100;
   Object* array;
   MaybeObject* maybe_array;
   do {
     maybe_array = heap->AllocateFixedArray(ARRAY_SIZE);
@@ skipping 18 matching lines @@
   SharedFunctionInfo* function_share = SharedFunctionInfo::cast(
       heap->AllocateSharedFunctionInfo(func_name)->ToObjectChecked());
   JSFunction* function = JSFunction::cast(
       heap->AllocateFunction(*isolate->function_map(),
                              function_share,
                              heap->undefined_value())->ToObjectChecked());
   Map* initial_map =
       Map::cast(heap->AllocateMap(JS_OBJECT_TYPE,
                                   JSObject::kHeaderSize)->ToObjectChecked());
   function->set_initial_map(initial_map);
-  isolate->context()->global_object()->SetProperty(
-      func_name, function, NONE, kNonStrictMode)->ToObjectChecked();
+  JSReceiver::SetProperty(
+      global, handle(func_name), handle(function), NONE, kNonStrictMode);
 
   JSObject* obj = JSObject::cast(
       heap->AllocateJSObject(function)->ToObjectChecked());
   heap->CollectGarbage(OLD_POINTER_SPACE, "trigger 4");
 
   func_name = String::cast(
       heap->InternalizeUtf8String("theFunction")->ToObjectChecked());
-  CHECK(isolate->context()->global_object()->HasLocalProperty(func_name));
+  CHECK(JSReceiver::HasLocalProperty(global, handle(func_name)));
   Object* func_value = isolate->context()->global_object()->
       GetProperty(func_name)->ToObjectChecked();
   CHECK(func_value->IsJSFunction());
   function = JSFunction::cast(func_value);
 
   obj = JSObject::cast(heap->AllocateJSObject(function)->ToObjectChecked());
   String* obj_name =
       String::cast(heap->InternalizeUtf8String("theObject")->ToObjectChecked());
-  isolate->context()->global_object()->SetProperty(
-      obj_name, obj, NONE, kNonStrictMode)->ToObjectChecked();
+  JSReceiver::SetProperty(
+      global, handle(obj_name), handle(obj), NONE, kNonStrictMode);
   String* prop_name =
       String::cast(heap->InternalizeUtf8String("theSlot")->ToObjectChecked());
-  obj->SetProperty(prop_name,
-                   Smi::FromInt(23),
-                   NONE,
-                   kNonStrictMode)->ToObjectChecked();
+  Handle<Smi> twenty_three(Smi::FromInt(23), isolate);
+  JSReceiver::SetProperty(
+      handle(obj), handle(prop_name), twenty_three, NONE, kNonStrictMode);
 
   heap->CollectGarbage(OLD_POINTER_SPACE, "trigger 5");
 
   obj_name =
       String::cast(heap->InternalizeUtf8String("theObject")->ToObjectChecked());
-  CHECK(isolate->context()->global_object()->HasLocalProperty(obj_name));
+  CHECK(JSReceiver::HasLocalProperty(global, handle(obj_name)));
   CHECK(isolate->context()->global_object()->
         GetProperty(obj_name)->ToObjectChecked()->IsJSObject());
   obj = JSObject::cast(isolate->context()->global_object()->
                        GetProperty(obj_name)->ToObjectChecked());
   prop_name =
       String::cast(heap->InternalizeUtf8String("theSlot")->ToObjectChecked());
   CHECK(obj->GetProperty(prop_name) == Smi::FromInt(23));
 }
 
 
 // TODO(1600): compaction of map space is temporary removed from GC.
 #if 0
 static Handle<Map> CreateMap(Isolate* isolate) {
   return isolate->factory()->NewMap(JS_OBJECT_TYPE, JSObject::kHeaderSize);
 }
 
 
 TEST(MapCompact) {
   FLAG_max_map_space_pages = 16;
   CcTest::InitializeVM();
-  Isolate* isolate = Isolate::Current();
+  Isolate* isolate = CcTest::i_isolate();
   Factory* factory = isolate->factory();
 
   {
     v8::HandleScope sc;
     // keep allocating maps while pointers are still encodable and thus
     // mark compact is permitted.
     Handle<JSObject> root = factory->NewJSObjectFromMap(CreateMap());
     do {
       Handle<Map> map = CreateMap();
       map->set_prototype(*root);
       root = factory->NewJSObjectFromMap(map);
-    } while (HEAP->map_space()->MapPointersEncodable());
+    } while (CcTest::heap()->map_space()->MapPointersEncodable());
   }
   // Now, as we don't have any handles to just allocated maps, we should
   // be able to trigger map compaction.
   // To give an additional chance to fail, try to force compaction which
   // should be impossible right now.
-  HEAP->CollectAllGarbage(Heap::kForceCompactionMask);
+  CcTest::heap()->CollectAllGarbage(Heap::kForceCompactionMask);
   // And now map pointers should be encodable again.
-  CHECK(HEAP->map_space()->MapPointersEncodable());
+  CHECK(CcTest::heap()->map_space()->MapPointersEncodable());
 }
 #endif
 
-static int gc_starts = 0;
-static int gc_ends = 0;
-
-static void GCPrologueCallbackFunc() {
-  CHECK(gc_starts == gc_ends);
-  gc_starts++;
-}
-
-
-static void GCEpilogueCallbackFunc() {
-  CHECK(gc_starts == gc_ends + 1);
-  gc_ends++;
-}
-
-
-TEST(GCCallback) {
-  i::FLAG_stress_compaction = false;
-  CcTest::InitializeVM();
-
-  HEAP->SetGlobalGCPrologueCallback(&GCPrologueCallbackFunc);
-  HEAP->SetGlobalGCEpilogueCallback(&GCEpilogueCallbackFunc);
-
-  // Scavenge does not call GC callback functions.
-  HEAP->PerformScavenge();
-
-  CHECK_EQ(0, gc_starts);
-  CHECK_EQ(gc_ends, gc_starts);
-
-  HEAP->CollectGarbage(OLD_POINTER_SPACE);
-  CHECK_EQ(1, gc_starts);
-  CHECK_EQ(gc_ends, gc_starts);
-}
-
 
 static int NumberOfWeakCalls = 0;
 static void WeakPointerCallback(v8::Isolate* isolate,
                                 v8::Persistent<v8::Value>* handle,
                                 void* id) {
   ASSERT(id == reinterpret_cast<void*>(1234));
   NumberOfWeakCalls++;
   handle->Dispose();
 }
 
 
 TEST(ObjectGroups) {
   FLAG_incremental_marking = false;
   CcTest::InitializeVM();
-  GlobalHandles* global_handles = Isolate::Current()->global_handles();
-
+  GlobalHandles* global_handles = CcTest::i_isolate()->global_handles();
+  Heap* heap = CcTest::heap();
   NumberOfWeakCalls = 0;
   v8::HandleScope handle_scope(CcTest::isolate());
 
   Handle<Object> g1s1 =
-      global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+      global_handles->Create(heap->AllocateFixedArray(1)->ToObjectChecked());
   Handle<Object> g1s2 =
-      global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+      global_handles->Create(heap->AllocateFixedArray(1)->ToObjectChecked());
   Handle<Object> g1c1 =
-      global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+      global_handles->Create(heap->AllocateFixedArray(1)->ToObjectChecked());
   global_handles->MakeWeak(g1s1.location(),
                            reinterpret_cast<void*>(1234),
                            &WeakPointerCallback);
   global_handles->MakeWeak(g1s2.location(),
                            reinterpret_cast<void*>(1234),
                            &WeakPointerCallback);
   global_handles->MakeWeak(g1c1.location(),
                            reinterpret_cast<void*>(1234),
                            &WeakPointerCallback);
 
   Handle<Object> g2s1 =
-      global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+      global_handles->Create(heap->AllocateFixedArray(1)->ToObjectChecked());
   Handle<Object> g2s2 =
-    global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+    global_handles->Create(heap->AllocateFixedArray(1)->ToObjectChecked());
   Handle<Object> g2c1 =
-    global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+    global_handles->Create(heap->AllocateFixedArray(1)->ToObjectChecked());
   global_handles->MakeWeak(g2s1.location(),
                            reinterpret_cast<void*>(1234),
                            &WeakPointerCallback);
   global_handles->MakeWeak(g2s2.location(),
                            reinterpret_cast<void*>(1234),
                            &WeakPointerCallback);
   global_handles->MakeWeak(g2c1.location(),
                            reinterpret_cast<void*>(1234),
                            &WeakPointerCallback);
 
   Handle<Object> root = global_handles->Create(*g1s1);  // make a root.
 
   // Connect group 1 and 2, make a cycle.
   Handle<FixedArray>::cast(g1s2)->set(0, *g2s2);
   Handle<FixedArray>::cast(g2s1)->set(0, *g1s1);
 
   {
     Object** g1_objects[] = { g1s1.location(), g1s2.location() };
     Object** g1_children[] = { g1c1.location() };
     Object** g2_objects[] = { g2s1.location(), g2s2.location() };
     Object** g2_children[] = { g2c1.location() };
     global_handles->AddObjectGroup(g1_objects, 2, NULL);
     global_handles->AddImplicitReferences(
         Handle<HeapObject>::cast(g1s1).location(), g1_children, 1);
     global_handles->AddObjectGroup(g2_objects, 2, NULL);
     global_handles->AddImplicitReferences(
         Handle<HeapObject>::cast(g2s1).location(), g2_children, 1);
   }
   // Do a full GC
-  HEAP->CollectGarbage(OLD_POINTER_SPACE);
+  heap->CollectGarbage(OLD_POINTER_SPACE);
 
   // All object should be alive.
   CHECK_EQ(0, NumberOfWeakCalls);
 
   // Weaken the root.
   global_handles->MakeWeak(root.location(),
                            reinterpret_cast<void*>(1234),
                            &WeakPointerCallback);
   // But make children strong roots---all the objects (except for children)
   // should be collectable now.
   global_handles->ClearWeakness(g1c1.location());
   global_handles->ClearWeakness(g2c1.location());
 
   // Groups are deleted, rebuild groups.
   {
     Object** g1_objects[] = { g1s1.location(), g1s2.location() };
     Object** g1_children[] = { g1c1.location() };
     Object** g2_objects[] = { g2s1.location(), g2s2.location() };
     Object** g2_children[] = { g2c1.location() };
     global_handles->AddObjectGroup(g1_objects, 2, NULL);
     global_handles->AddImplicitReferences(
         Handle<HeapObject>::cast(g1s1).location(), g1_children, 1);
     global_handles->AddObjectGroup(g2_objects, 2, NULL);
     global_handles->AddImplicitReferences(
         Handle<HeapObject>::cast(g2s1).location(), g2_children, 1);
   }
 
-  HEAP->CollectGarbage(OLD_POINTER_SPACE);
+  heap->CollectGarbage(OLD_POINTER_SPACE);
 
   // All objects should be gone. 5 global handles in total.
   CHECK_EQ(5, NumberOfWeakCalls);
 
   // And now make children weak again and collect them.
   global_handles->MakeWeak(g1c1.location(),
                            reinterpret_cast<void*>(1234),
                            &WeakPointerCallback);
   global_handles->MakeWeak(g2c1.location(),
                            reinterpret_cast<void*>(1234),
                            &WeakPointerCallback);
 
-  HEAP->CollectGarbage(OLD_POINTER_SPACE);
+  heap->CollectGarbage(OLD_POINTER_SPACE);
   CHECK_EQ(7, NumberOfWeakCalls);
 }
 
 
 class TestRetainedObjectInfo : public v8::RetainedObjectInfo {
  public:
   TestRetainedObjectInfo() : has_been_disposed_(false) {}
 
   bool has_been_disposed() { return has_been_disposed_; }
 
@@ skipping 10 matching lines @@
 
   virtual const char* GetLabel() { return "whatever"; }
 
  private:
   bool has_been_disposed_;
 };
 
 
 TEST(EmptyObjectGroups) {
   CcTest::InitializeVM();
-  GlobalHandles* global_handles = Isolate::Current()->global_handles();
+  GlobalHandles* global_handles = CcTest::i_isolate()->global_handles();
 
   v8::HandleScope handle_scope(CcTest::isolate());
 
-  Handle<Object> object =
-      global_handles->Create(HEAP->AllocateFixedArray(1)->ToObjectChecked());
+  Handle<Object> object = global_handles->Create(
+      CcTest::heap()->AllocateFixedArray(1)->ToObjectChecked());
 
   TestRetainedObjectInfo info;
   global_handles->AddObjectGroup(NULL, 0, &info);
   ASSERT(info.has_been_disposed());
 
   global_handles->AddImplicitReferences(
         Handle<HeapObject>::cast(object).location(), NULL, 0);
 }
 
 
@@ skipping 121 matching lines @@
 
 
 TEST(RegressJoinThreadsOnIsolateDeinit) {
   intptr_t size_limit = ShortLivingIsolate() * 2;
   for (int i = 0; i < 10; i++) {
     CHECK_GT(size_limit, ShortLivingIsolate());
   }
 }
 
 #endif  // __linux__ and !USE_SIMULATOR