Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 1 | // Copyright 2016 the V8 project authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef HEAP_HEAP_UTILS_H_ |
| 6 | #define HEAP_HEAP_UTILS_H_ |
| 7 | |
| 8 | #include "src/heap/heap.h" |
| 9 | |
| 10 | namespace v8 { |
| 11 | namespace internal { |
| 12 | namespace heap { |
| 13 | |
| 14 | void SealCurrentObjects(Heap* heap); |
| 15 | |
| 16 | int FixedArrayLenFromSize(int size); |
| 17 | |
| 18 | std::vector<Handle<FixedArray>> CreatePadding( |
| 19 | Heap* heap, int padding_size, PretenureFlag tenure, |
| 20 | int object_size = Page::kMaxRegularHeapObjectSize); |
| 21 | |
| 22 | void AllocateAllButNBytes( |
| 23 | v8::internal::NewSpace* space, int extra_bytes, |
| 24 | std::vector<Handle<FixedArray>>* out_handles = nullptr); |
| 25 | |
| 26 | void FillCurrentPage(v8::internal::NewSpace* space, |
| 27 | std::vector<Handle<FixedArray>>* out_handles = nullptr); |
| 28 | |
| 29 | // Helper function that simulates a full new-space in the heap. |
| 30 | bool FillUpOnePage(v8::internal::NewSpace* space, |
| 31 | std::vector<Handle<FixedArray>>* out_handles = nullptr); |
| 32 | |
| 33 | void SimulateFullSpace(v8::internal::NewSpace* space, |
| 34 | std::vector<Handle<FixedArray>>* out_handles = nullptr); |
| 35 | |
| 36 | // Helper function that simulates many incremental marking steps until |
| 37 | // marking is completed. |
| 38 | void SimulateIncrementalMarking(i::Heap* heap, bool force_completion = true); |
| 39 | |
| 40 | // Helper function that simulates a full old-space in the heap. |
| 41 | void SimulateFullSpace(v8::internal::PagedSpace* space); |
| 42 | |
| 43 | void AbandonCurrentlyFreeMemory(PagedSpace* space); |
| 44 | |
| 45 | void GcAndSweep(Heap* heap, AllocationSpace space); |
| 46 | |
| 47 | } // namespace heap |
| 48 | } // namespace internal |
| 49 | } // namespace v8 |
| 50 | |
| 51 | #endif // HEAP_HEAP_UTILS_H_ |