839f3fd406
backing store. Details of tracking: - Scavenge: New space pages are processes in bulk on the main thread - MC: Unswept pages are processed in bulk in parallel. All other pages are processed by the sweeper concurrently. BUG=chromium:611688 LOG=N TEST=cctest/test-array-buffer-tracker/* CQ_EXTRA_TRYBOTS=tryserver.v8:v8_linux_arm64_gc_stress_dbg,v8_linux_gc_stress_dbg,v8_mac_gc_stress_dbg,v8_linux64_tsan_rel,v8_mac64_asan_rel Review-Url: https://codereview.chromium.org/2036643002 Cr-Commit-Position: refs/heads/master@{#36798}
52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
// Copyright 2016 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef HEAP_HEAP_UTILS_H_
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#define HEAP_HEAP_UTILS_H_
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#include "src/heap/heap.h"
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namespace v8 {
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namespace internal {
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namespace heap {
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void SealCurrentObjects(Heap* heap);
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int FixedArrayLenFromSize(int size);
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std::vector<Handle<FixedArray>> CreatePadding(
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Heap* heap, int padding_size, PretenureFlag tenure,
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int object_size = Page::kMaxRegularHeapObjectSize);
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void AllocateAllButNBytes(
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v8::internal::NewSpace* space, int extra_bytes,
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std::vector<Handle<FixedArray>>* out_handles = nullptr);
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void FillCurrentPage(v8::internal::NewSpace* space,
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std::vector<Handle<FixedArray>>* out_handles = nullptr);
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// Helper function that simulates a full new-space in the heap.
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bool FillUpOnePage(v8::internal::NewSpace* space,
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std::vector<Handle<FixedArray>>* out_handles = nullptr);
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void SimulateFullSpace(v8::internal::NewSpace* space,
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std::vector<Handle<FixedArray>>* out_handles = nullptr);
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// Helper function that simulates many incremental marking steps until
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// marking is completed.
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void SimulateIncrementalMarking(i::Heap* heap, bool force_completion = true);
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// Helper function that simulates a full old-space in the heap.
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void SimulateFullSpace(v8::internal::PagedSpace* space);
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void AbandonCurrentlyFreeMemory(PagedSpace* space);
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void GcAndSweep(Heap* heap, AllocationSpace space);
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} // namespace heap
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} // namespace internal
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} // namespace v8
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#endif // HEAP_HEAP_UTILS_H_
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