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Diffstat (limited to 'deps/v8/src/heap/evacuation-verifier-inl.h')
-rw-r--r-- | deps/v8/src/heap/evacuation-verifier-inl.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/deps/v8/src/heap/evacuation-verifier-inl.h b/deps/v8/src/heap/evacuation-verifier-inl.h new file mode 100644 index 0000000000..cf1eee1351 --- /dev/null +++ b/deps/v8/src/heap/evacuation-verifier-inl.h @@ -0,0 +1,64 @@ +// Copyright 2022 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_EVACUATION_VERIFIER_INL_H_ +#define V8_HEAP_EVACUATION_VERIFIER_INL_H_ + +#include "src/heap/evacuation-verifier.h" +#include "src/heap/heap-inl.h" +#include "src/heap/mark-compact.h" + +namespace v8 { +namespace internal { + +#ifdef VERIFY_HEAP + +void FullEvacuationVerifier::VerifyHeapObjectImpl(HeapObject heap_object) { + if (!ShouldVerifyObject(heap_object)) return; + CHECK_IMPLIES(Heap::InYoungGeneration(heap_object), + Heap::InToPage(heap_object)); + CHECK(!MarkCompactCollector::IsOnEvacuationCandidate(heap_object)); +} + +bool FullEvacuationVerifier::ShouldVerifyObject(HeapObject heap_object) { + const bool in_shared_heap = heap_object.InSharedWritableHeap(); + return heap_->isolate()->is_shared_heap_isolate() ? in_shared_heap + : !in_shared_heap; +} + +template <typename TSlot> +void FullEvacuationVerifier::VerifyPointersImpl(TSlot start, TSlot end) { + for (TSlot current = start; current < end; ++current) { + typename TSlot::TObject object = current.load(cage_base()); + HeapObject heap_object; + if (object.GetHeapObjectIfStrong(&heap_object)) { + VerifyHeapObjectImpl(heap_object); + } + } +} + +void YoungGenerationEvacuationVerifier::VerifyHeapObjectImpl( + HeapObject heap_object) { + CHECK_IMPLIES(Heap::InYoungGeneration(heap_object), + Heap::InToPage(heap_object)); +} + +template <typename TSlot> +void YoungGenerationEvacuationVerifier::VerifyPointersImpl(TSlot start, + TSlot end) { + for (TSlot current = start; current < end; ++current) { + typename TSlot::TObject object = current.load(cage_base()); + HeapObject heap_object; + if (object.GetHeapObject(&heap_object)) { + VerifyHeapObjectImpl(heap_object); + } + } +} + +#endif // VERIFY_HEAP + +} // namespace internal +} // namespace v8 + +#endif // V8_HEAP_EVACUATION_VERIFIER_INL_H_ |