1 files changed, 75 insertions, 0 deletions
diff --git a/deps/v8/src/heap/mark-compact-inl.h b/deps/v8/src/heap/mark-compact-inl.h
new file mode 100644
index 000000000..934fce847
--- /dev/null
+++ b/deps/v8/src/heap/mark-compact-inl.h
@@ -0,0 +1,75 @@
+// 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_MARK_COMPACT_INL_H_
+#define V8_HEAP_MARK_COMPACT_INL_H_
+
+#include <memory.h>
+
+#include "src/heap/mark-compact.h"
+#include "src/isolate.h"
+
+
+namespace v8 {
+namespace internal {
+
+
+MarkBit Marking::MarkBitFrom(Address addr) {
+  MemoryChunk* p = MemoryChunk::FromAddress(addr);
+  return p->markbits()->MarkBitFromIndex(p->AddressToMarkbitIndex(addr),
+                                         p->ContainsOnlyData());
+}
+
+
+void MarkCompactCollector::SetFlags(int flags) {
+  sweep_precisely_ = ((flags & Heap::kSweepPreciselyMask) != 0);
+  reduce_memory_footprint_ = ((flags & Heap::kReduceMemoryFootprintMask) != 0);
+  abort_incremental_marking_ =
+      ((flags & Heap::kAbortIncrementalMarkingMask) != 0);
+}
+
+
+void MarkCompactCollector::MarkObject(HeapObject* obj, MarkBit mark_bit) {
+  DCHECK(Marking::MarkBitFrom(obj) == mark_bit);
+  if (!mark_bit.Get()) {
+    mark_bit.Set();
+    MemoryChunk::IncrementLiveBytesFromGC(obj->address(), obj->Size());
+    DCHECK(IsMarked(obj));
+    DCHECK(obj->GetIsolate()->heap()->Contains(obj));
+    marking_deque_.PushBlack(obj);
+  }
+}
+
+
+void MarkCompactCollector::SetMark(HeapObject* obj, MarkBit mark_bit) {
+  DCHECK(!mark_bit.Get());
+  DCHECK(Marking::MarkBitFrom(obj) == mark_bit);
+  mark_bit.Set();
+  MemoryChunk::IncrementLiveBytesFromGC(obj->address(), obj->Size());
+}
+
+
+bool MarkCompactCollector::IsMarked(Object* obj) {
+  DCHECK(obj->IsHeapObject());
+  HeapObject* heap_object = HeapObject::cast(obj);
+  return Marking::MarkBitFrom(heap_object).Get();
+}
+
+
+void MarkCompactCollector::RecordSlot(Object** anchor_slot, Object** slot,
+                                      Object* object,
+                                      SlotsBuffer::AdditionMode mode) {
+  Page* object_page = Page::FromAddress(reinterpret_cast<Address>(object));
+  if (object_page->IsEvacuationCandidate() &&
+      !ShouldSkipEvacuationSlotRecording(anchor_slot)) {
+    if (!SlotsBuffer::AddTo(&slots_buffer_allocator_,
+                            object_page->slots_buffer_address(), slot, mode)) {
+      EvictEvacuationCandidate(object_page);
+    }
+  }
+}
+}
+}  // namespace v8::internal
+
+#endif  // V8_HEAP_MARK_COMPACT_INL_H_