The Tor Browser / file comparison
comparison: js/src/vm/Runtime-inl.h
js/src/vm/Runtime-inl.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:6d0081a7f7a6 |
|---|---|
| 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 #ifndef vm_Runtime_inl_h | |
| 8 #define vm_Runtime_inl_h | |
| 9 | |
| 10 #include "vm/Runtime.h" | |
| 11 | |
| 12 #include "jscompartment.h" | |
| 13 | |
| 14 #include "vm/Probes.h" | |
| 15 | |
| 16 #include "jsgcinlines.h" | |
| 17 | |
| 18 namespace js { | |
| 19 | |
| 20 inline bool | |
| 21 NewObjectCache::lookupProto(const Class *clasp, JSObject *proto, gc::AllocKind kind, EntryIndex *pentry) | |
| 22 { | |
| 23 JS_ASSERT(!proto->is<GlobalObject>()); | |
| 24 return lookup(clasp, proto, kind, pentry); | |
| 25 } | |
| 26 | |
| 27 inline bool | |
| 28 NewObjectCache::lookupGlobal(const Class *clasp, js::GlobalObject *global, gc::AllocKind kind, EntryIndex *pentry) | |
| 29 { | |
| 30 return lookup(clasp, global, kind, pentry); | |
| 31 } | |
| 32 | |
| 33 inline void | |
| 34 NewObjectCache::fillGlobal(EntryIndex entry, const Class *clasp, js::GlobalObject *global, gc::AllocKind kind, JSObject *obj) | |
| 35 { | |
| 36 //JS_ASSERT(global == obj->getGlobal()); | |
| 37 return fill(entry, clasp, global, kind, obj); | |
| 38 } | |
| 39 | |
| 40 template <AllowGC allowGC> | |
| 41 inline JSObject * | |
| 42 NewObjectCache::newObjectFromHit(JSContext *cx, EntryIndex entry_, js::gc::InitialHeap heap) | |
| 43 { | |
| 44 // The new object cache does not account for metadata attached via callbacks. | |
| 45 JS_ASSERT(!cx->compartment()->hasObjectMetadataCallback()); | |
| 46 | |
| 47 JS_ASSERT(unsigned(entry_) < mozilla::ArrayLength(entries)); | |
| 48 Entry *entry = &entries[entry_]; | |
| 49 | |
| 50 JSObject *templateObj = reinterpret_cast<JSObject *>(&entry->templateObject); | |
| 51 | |
| 52 // Do an end run around JSObject::type() to avoid doing AutoUnprotectCell | |
| 53 // on the templateObj, which is not a GC thing and can't use runtimeFromAnyThread. | |
| 54 types::TypeObject *type = templateObj->type_; | |
| 55 | |
| 56 if (type->shouldPreTenure()) | |
| 57 heap = gc::TenuredHeap; | |
| 58 | |
| 59 if (cx->runtime()->upcomingZealousGC()) | |
| 60 return nullptr; | |
| 61 | |
| 62 // Trigger an identical allocation to the one that notified us of OOM | |
| 63 // so that we trigger the right kind of GC automatically. | |
| 64 if (allowGC) { | |
| 65 mozilla::DebugOnly<JSObject *> obj = | |
| 66 js::gc::AllocateObjectForCacheHit<allowGC>(cx, entry->kind, heap); | |
| 67 JS_ASSERT(!obj); | |
| 68 return nullptr; | |
| 69 } | |
| 70 | |
| 71 JS_ASSERT(allowGC == NoGC); | |
| 72 JSObject *obj = js::gc::AllocateObjectForCacheHit<NoGC>(cx, entry->kind, heap); | |
| 73 if (obj) { | |
| 74 copyCachedToObject(obj, templateObj, entry->kind); | |
| 75 probes::CreateObject(cx, obj); | |
| 76 return obj; | |
| 77 } | |
| 78 | |
| 79 return nullptr; | |
| 80 } | |
| 81 | |
| 82 } /* namespace js */ | |
| 83 | |
| 84 #endif /* vm_Runtime_inl_h */ |
