| // Copyright 2021 The Chromium 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_HEAP_V8_WRAPPER_CUSTOM_SPACES_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_HEAP_V8_WRAPPER_CUSTOM_SPACES_H_ |
| |
| #include "third_party/blink/renderer/platform/platform_export.h" |
| #include "v8/include/cppgc/custom-space.h" |
| |
| namespace blink { |
| |
| // The following defines custom spaces that are used to partition Oilpan's heap. |
| // Each custom space is assigned to a type partition using `cppgc::SpaceTrait`. |
| // It is expected that `kSpaceIndex` uniquely identifies a space and that the |
| // indices of all custom spaces form a sequence starting at 0. See |
| // `cppgc::CustomSpace` for details. |
| |
| class PLATFORM_EXPORT HeapVectorBackingSpace |
| : public cppgc::CustomSpace<HeapVectorBackingSpace> { |
| public: |
| static constexpr cppgc::CustomSpaceIndex kSpaceIndex = 0; |
| static constexpr bool kSupportsCompaction = true; |
| }; |
| |
| class PLATFORM_EXPORT HeapHashTableBackingSpace |
| : public cppgc::CustomSpace<HeapHashTableBackingSpace> { |
| public: |
| static constexpr cppgc::CustomSpaceIndex kSpaceIndex = 1; |
| static constexpr bool kSupportsCompaction = true; |
| }; |
| |
| class PLATFORM_EXPORT NodeSpace : public cppgc::CustomSpace<NodeSpace> { |
| public: |
| static constexpr cppgc::CustomSpaceIndex kSpaceIndex = 2; |
| }; |
| |
| class PLATFORM_EXPORT CSSValueSpace : public cppgc::CustomSpace<CSSValueSpace> { |
| public: |
| static constexpr cppgc::CustomSpaceIndex kSpaceIndex = 3; |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_HEAP_V8_WRAPPER_CUSTOM_SPACES_H_ |