chromium/v8/src/heap/mutable-page-metadata.cc

// Copyright 2020 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.

#include "src/heap/mutable-page-metadata.h"

#include "src/base/logging.h"
#include "src/base/platform/mutex.h"
#include "src/base/platform/platform.h"
#include "src/common/globals.h"
#include "src/heap/incremental-marking.h"
#include "src/heap/marking-state-inl.h"
#include "src/heap/memory-allocator.h"
#include "src/heap/memory-chunk-layout.h"
#include "src/heap/memory-chunk-metadata.h"
#include "src/heap/mutable-page-metadata-inl.h"
#include "src/heap/spaces.h"
#include "src/objects/heap-object.h"

namespace v8 {
namespace internal {

void MutablePageMetadata::DiscardUnusedMemory(Address addr, size_t size) { … }

MutablePageMetadata::MutablePageMetadata(Heap* heap, BaseSpace* space,
                                         size_t chunk_size, Address area_start,
                                         Address area_end,
                                         VirtualMemory reservation,
                                         PageSize page_size)
    : … { … }

MemoryChunk::MainThreadFlags MutablePageMetadata::InitialFlags(
    Executability executable) const { … }

size_t MutablePageMetadata::CommittedPhysicalMemory() const { … }

// -----------------------------------------------------------------------------
// MutablePageMetadata implementation

void MutablePageMetadata::ReleaseAllocatedMemoryNeededForWritableChunk() { … }

void MutablePageMetadata::ReleaseAllAllocatedMemory() { … }

SlotSet* MutablePageMetadata::AllocateSlotSet(RememberedSetType type) { … }

void MutablePageMetadata::ReleaseSlotSet(RememberedSetType type) { … }

TypedSlotSet* MutablePageMetadata::AllocateTypedSlotSet(
    RememberedSetType type) { … }

void MutablePageMetadata::ReleaseTypedSlotSet(RememberedSetType type) { … }

bool MutablePageMetadata::ContainsAnySlots() const { … }

void MutablePageMetadata::ClearLiveness() { … }

int MutablePageMetadata::ComputeFreeListsLength() { … }

#ifdef DEBUG
void MutablePageMetadata::ValidateOffsets(MutablePageMetadata* chunk) { … }
#endif

}  // namespace internal
}  // namespace v8