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Unified Diff: src/incremental-marking-inl.h

Issue 10310168: Implement map collection for incremental marking. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 8 years, 7 months ago
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Index: src/incremental-marking-inl.h
diff --git a/src/incremental-marking-inl.h b/src/incremental-marking-inl.h
index 5ce003f31d4c0d27e81a66df22ad269f11810ca4..2dae6f207d0a3904408c052e791e638d6ebf7f4f 100644
--- a/src/incremental-marking-inl.h
+++ b/src/incremental-marking-inl.h
@@ -1,4 +1,4 @@
-// Copyright 2011 the V8 project authors. All rights reserved.
+// 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:
@@ -118,13 +118,29 @@ void IncrementalMarking::BlackToGreyAndUnshift(HeapObject* obj,
void IncrementalMarking::WhiteToGreyAndPush(HeapObject* obj, MarkBit mark_bit) {
- WhiteToGrey(obj, mark_bit);
+ Marking::WhiteToGrey(mark_bit);
marking_deque_.PushGrey(obj);
}
-void IncrementalMarking::WhiteToGrey(HeapObject* obj, MarkBit mark_bit) {
- Marking::WhiteToGrey(mark_bit);
+bool IncrementalMarking::MarkObjectAndPush(HeapObject* obj) {
+ MarkBit mark_bit = Marking::MarkBitFrom(obj);
+ if (!mark_bit.Get()) {
+ WhiteToGreyAndPush(obj, mark_bit);
+ return true;
+ }
+ return false;
+}
+
+
+bool IncrementalMarking::MarkObjectWithoutPush(HeapObject* obj) {
+ MarkBit mark_bit = Marking::MarkBitFrom(obj);
+ if (!mark_bit.Get()) {
+ mark_bit.Set();
+ MemoryChunk::IncrementLiveBytesFromGC(obj->address(), obj->Size());
+ return true;
+ }
+ return false;
}
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