The Tor Browser / file comparison
comparison: js/src/gc/Barrier.cpp
js/src/gc/Barrier.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:c609fce15c53 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- | |
| 2 * vim: set ts=8 sts=4 et sw=4 tw=99: | |
| 3 * This Source Code Form is subject to the terms of the Mozilla Public | |
| 4 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 6 | |
| 7 #include "gc/Barrier.h" | |
| 8 | |
| 9 #include "jscompartment.h" | |
| 10 #include "jsobj.h" | |
| 11 | |
| 12 #include "gc/Zone.h" | |
| 13 | |
| 14 namespace js { | |
| 15 | |
| 16 #ifdef DEBUG | |
| 17 | |
| 18 bool | |
| 19 HeapValue::preconditionForSet(Zone *zone) | |
| 20 { | |
| 21 if (!value.isMarkable()) | |
| 22 return true; | |
| 23 | |
| 24 return ZoneOfValue(value) == zone || | |
| 25 zone->runtimeFromAnyThread()->isAtomsZone(ZoneOfValue(value)); | |
| 26 } | |
| 27 | |
| 28 bool | |
| 29 HeapSlot::preconditionForSet(JSObject *owner, Kind kind, uint32_t slot) | |
| 30 { | |
| 31 return kind == Slot | |
| 32 ? &owner->getSlotRef(slot) == this | |
| 33 : &owner->getDenseElement(slot) == (const Value *)this; | |
| 34 } | |
| 35 | |
| 36 bool | |
| 37 HeapSlot::preconditionForSet(Zone *zone, JSObject *owner, Kind kind, uint32_t slot) | |
| 38 { | |
| 39 bool ok = kind == Slot | |
| 40 ? &owner->getSlotRef(slot) == this | |
| 41 : &owner->getDenseElement(slot) == (const Value *)this; | |
| 42 return ok && owner->zone() == zone; | |
| 43 } | |
| 44 | |
| 45 void | |
| 46 HeapSlot::preconditionForWriteBarrierPost(JSObject *obj, Kind kind, uint32_t slot, Value target) | |
| 47 { | |
| 48 JS_ASSERT_IF(kind == Slot, obj->getSlotAddressUnchecked(slot)->get() == target); | |
| 49 JS_ASSERT_IF(kind == Element, | |
| 50 static_cast<HeapSlot *>(obj->getDenseElements() + slot)->get() == target); | |
| 51 } | |
| 52 | |
| 53 bool | |
| 54 RuntimeFromMainThreadIsHeapMajorCollecting(JS::shadow::Zone *shadowZone) | |
| 55 { | |
| 56 return shadowZone->runtimeFromMainThread()->isHeapMajorCollecting(); | |
| 57 } | |
| 58 #endif // DEBUG | |
| 59 | |
| 60 bool | |
| 61 StringIsPermanentAtom(JSString *str) | |
| 62 { | |
| 63 return str->isPermanentAtom(); | |
| 64 } | |
| 65 | |
| 66 } // namespace js |
