void
js::IterateZonesCompartmentsArenasCells(JSRuntime *rt, void *data,
IterateZoneCallback zoneCallback,
JSIterateCompartmentCallback compartmentCallback,
IterateArenaCallback arenaCallback,
IterateCellCallback cellCallback)
{
AutoPrepareForTracing prop(rt);
for (ZonesIter zone(rt); !zone.done(); zone.next()) {
(*zoneCallback)(rt, data, zone);
for (CompartmentsInZoneIter comp(zone); !comp.done(); comp.next())
(*compartmentCallback)(rt, data, comp);
for (size_t thingKind = 0; thingKind != FINALIZE_LIMIT; thingKind++) {
JSGCTraceKind traceKind = MapAllocToTraceKind(AllocKind(thingKind));
size_t thingSize = Arena::thingSize(AllocKind(thingKind));
for (ArenaIter aiter(zone, AllocKind(thingKind)); !aiter.done(); aiter.next()) {
ArenaHeader *aheader = aiter.get();
(*arenaCallback)(rt, data, aheader->getArena(), traceKind, thingSize);
for (CellIterUnderGC iter(aheader); !iter.done(); iter.next())
(*cellCallback)(rt, data, iter.getCell(), traceKind, thingSize);
}
}
}
}
void
GCMarker::processMarkStackOther(SliceBudget &budget, uintptr_t tag, uintptr_t addr)
{
if (tag == TypeTag) {
ScanTypeObject(this, reinterpret_cast<types::TypeObject *>(addr));
} else if (tag == SavedValueArrayTag) {
JS_ASSERT(!(addr & Cell::CellMask));
JSObject *obj = reinterpret_cast<JSObject *>(addr);
HeapValue *vp, *end;
if (restoreValueArray(obj, (void **)&vp, (void **)&end))
pushValueArray(obj, vp, end);
else
pushObject(obj);
} else if (tag == IonCodeTag) {
MarkChildren(this, reinterpret_cast<ion::IonCode *>(addr));
} else if (tag == ArenaTag) {
ArenaHeader *aheader = reinterpret_cast<ArenaHeader *>(addr);
AllocKind thingKind = aheader->getAllocKind();
size_t thingSize = Arena::thingSize(thingKind);
for ( ; aheader; aheader = aheader->next) {
Arena *arena = aheader->getArena();
FreeSpan firstSpan(aheader->getFirstFreeSpan());
const FreeSpan *span = &firstSpan;
for (uintptr_t thing = arena->thingsStart(thingKind); ; thing += thingSize) {
JS_ASSERT(thing <= arena->thingsEnd());
if (thing == span->first) {
if (!span->hasNext())
break;
thing = span->last;
span = span->nextSpan();
} else {
JSObject *object = reinterpret_cast<JSObject *>(thing);
if (object->hasSingletonType() && object->markIfUnmarked(getMarkColor()))
pushObject(object);
budget.step();
}
}
if (budget.isOverBudget()) {
pushArenaList(aheader);
return;
}
}
}
#if JS_HAS_XML_SUPPORT
else {
JS_ASSERT(tag == XmlTag);
MarkChildren(this, reinterpret_cast<JSXML *>(addr));
}
#endif
}