js/src/gc/Barrier.cpp@129ffea94266 (annotated)
js/src/gc/Barrier.cpp
Sat, 03 Jan 2015 20:18:00 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Sat, 03 Jan 2015 20:18:00 +0100
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
- permissions
- -rw-r--r--
Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- |
| michael@0 | 2 | * vim: set ts=8 sts=4 et sw=4 tw=99: |
| michael@0 | 3 | * This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 4 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 5 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 6 | |
| michael@0 | 7 | #include "gc/Barrier.h" |
| michael@0 | 8 | |
| michael@0 | 9 | #include "jscompartment.h" |
| michael@0 | 10 | #include "jsobj.h" |
| michael@0 | 11 | |
| michael@0 | 12 | #include "gc/Zone.h" |
| michael@0 | 13 | |
| michael@0 | 14 | namespace js { |
| michael@0 | 15 | |
| michael@0 | 16 | #ifdef DEBUG |
| michael@0 | 17 | |
| michael@0 | 18 | bool |
| michael@0 | 19 | HeapValue::preconditionForSet(Zone *zone) |
| michael@0 | 20 | { |
| michael@0 | 21 | if (!value.isMarkable()) |
| michael@0 | 22 | return true; |
| michael@0 | 23 | |
| michael@0 | 24 | return ZoneOfValue(value) == zone || |
| michael@0 | 25 | zone->runtimeFromAnyThread()->isAtomsZone(ZoneOfValue(value)); |
| michael@0 | 26 | } |
| michael@0 | 27 | |
| michael@0 | 28 | bool |
| michael@0 | 29 | HeapSlot::preconditionForSet(JSObject *owner, Kind kind, uint32_t slot) |
| michael@0 | 30 | { |
| michael@0 | 31 | return kind == Slot |
| michael@0 | 32 | ? &owner->getSlotRef(slot) == this |
| michael@0 | 33 | : &owner->getDenseElement(slot) == (const Value *)this; |
| michael@0 | 34 | } |
| michael@0 | 35 | |
| michael@0 | 36 | bool |
| michael@0 | 37 | HeapSlot::preconditionForSet(Zone *zone, JSObject *owner, Kind kind, uint32_t slot) |
| michael@0 | 38 | { |
| michael@0 | 39 | bool ok = kind == Slot |
| michael@0 | 40 | ? &owner->getSlotRef(slot) == this |
| michael@0 | 41 | : &owner->getDenseElement(slot) == (const Value *)this; |
| michael@0 | 42 | return ok && owner->zone() == zone; |
| michael@0 | 43 | } |
| michael@0 | 44 | |
| michael@0 | 45 | void |
| michael@0 | 46 | HeapSlot::preconditionForWriteBarrierPost(JSObject *obj, Kind kind, uint32_t slot, Value target) |
| michael@0 | 47 | { |
| michael@0 | 48 | JS_ASSERT_IF(kind == Slot, obj->getSlotAddressUnchecked(slot)->get() == target); |
| michael@0 | 49 | JS_ASSERT_IF(kind == Element, |
| michael@0 | 50 | static_cast<HeapSlot *>(obj->getDenseElements() + slot)->get() == target); |
| michael@0 | 51 | } |
| michael@0 | 52 | |
| michael@0 | 53 | bool |
| michael@0 | 54 | RuntimeFromMainThreadIsHeapMajorCollecting(JS::shadow::Zone *shadowZone) |
| michael@0 | 55 | { |
| michael@0 | 56 | return shadowZone->runtimeFromMainThread()->isHeapMajorCollecting(); |
| michael@0 | 57 | } |
| michael@0 | 58 | #endif // DEBUG |
| michael@0 | 59 | |
| michael@0 | 60 | bool |
| michael@0 | 61 | StringIsPermanentAtom(JSString *str) |
| michael@0 | 62 | { |
| michael@0 | 63 | return str->isPermanentAtom(); |
| michael@0 | 64 | } |
| michael@0 | 65 | |
| michael@0 | 66 | } // namespace js |
