Heap-inl.h - mozsearch

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-

 * vim: set ts=8 sts=2 et sw=2 tw=80:

 * This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef gc_Heap_inl_h

#define gc_Heap_inl_h

#include "gc/Heap.h"

#include "gc/StoreBuffer.h"

#include "gc/Zone.h"

#include "util/Poison.h"

#include "vm/Runtime.h"

inline void js::gc::Arena::init(JS::Zone* zoneArg, AllocKind kind,

                                const AutoLockGC& lock) {

#ifdef DEBUG

  MOZ_MAKE_MEM_DEFINED(&zone, sizeof(zone));

  MOZ_ASSERT((uintptr_t(zone) & 0xff) == JS_FREED_ARENA_PATTERN);

#endif

  MOZ_ASSERT(firstFreeSpan.isEmpty());

  MOZ_ASSERT(!allocated());

  MOZ_ASSERT(!onDelayedMarkingList_);

  MOZ_ASSERT(!hasDelayedBlackMarking_);

  MOZ_ASSERT(!hasDelayedGrayMarking_);

  MOZ_ASSERT(!nextDelayedMarkingArena_);

  MOZ_MAKE_MEM_UNDEFINED(this, ArenaSize);

  zone = zoneArg;

  allocKind = kind;

  isNewlyCreated_ = 1;

  onDelayedMarkingList_ = 0;

  hasDelayedBlackMarking_ = 0;

  hasDelayedGrayMarking_ = 0;

  nextDelayedMarkingArena_ = 0;

  if (zone->isAtomsZone()) {

    zone->runtimeFromAnyThread()->gc.atomMarking.registerArena(this, lock);

  } else {

    bufferedCells() = &ArenaCellSet::Empty;

  setAsFullyUnused();

#ifdef DEBUG

  checkNoMarkedCells();

#endif

inline void js::gc::Arena::release(const AutoLockGC& lock) {

  if (zone->isAtomsZone()) {

    zone->runtimeFromAnyThread()->gc.atomMarking.unregisterArena(this, lock);

  setAsNotAllocated();

inline js::gc::ArenaCellSet*& js::gc::Arena::bufferedCells() {

  MOZ_ASSERT(zone && !zone->isAtomsZone());

  return bufferedCells_;

inline size_t& js::gc::Arena::atomBitmapStart() {

  MOZ_ASSERT(zone && zone->isAtomsZone());

  return atomBitmapStart_;

#endif