Ryan Macnak
6694cae4d7
- Use atomics to mark remembered cards in the write barrier stub. TEST=ci Bug: https://github.com/dart-lang/sdk/issues/52513 Bug: https://github.com/dart-lang/sdk/issues/55754 Change-Id: I1f78c6b680a6ae9170613ba328a244335a6343e2 Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/368480 Reviewed-by: Siva Annamalai <asiva@google.com> Commit-Queue: Ryan Macnak <rmacnak@google.com>
41 lines
1.4 KiB
C++
41 lines
1.4 KiB
C++
// Copyright (c) 2024, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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#ifndef RUNTIME_VM_HEAP_INCREMENTAL_COMPACTOR_H_
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#define RUNTIME_VM_HEAP_INCREMENTAL_COMPACTOR_H_
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#include "vm/allocation.h"
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namespace dart {
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// Forward declarations.
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class PageSpace;
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class ObjectVisitor;
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class IncrementalForwardingVisitor;
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// An evacuating compactor that is incremental in the sense that building the
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// remembered set is interleaved with the mutator. The evacuation and forwarding
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// is not interleaved with the mutator, which would require a read barrier.
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class GCIncrementalCompactor : public AllStatic {
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public:
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static void Prologue(PageSpace* old_space);
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static bool Epilogue(PageSpace* old_space);
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static void Abort(PageSpace* old_space);
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private:
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static bool SelectEvacuationCandidates(PageSpace* old_space);
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static void CheckFreeLists(PageSpace* old_space);
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static bool HasEvacuationCandidates(PageSpace* old_space);
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static void CheckPreEvacuate(PageSpace* old_space);
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static void Evacuate(PageSpace* old_space);
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static void CheckPostEvacuate(PageSpace* old_space);
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static void FreeEvacuatedPages(PageSpace* old_space);
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static void VerifyAfterIncrementalCompaction(PageSpace* old_space);
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};
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} // namespace dart
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#endif // RUNTIME_VM_HEAP_INCREMENTAL_COMPACTOR_H_
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