michael@0: /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
michael@0:  * vim: set ts=8 sts=4 et sw=4 tw=99:
michael@0:  * This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef vm_Runtime_inl_h
michael@0: #define vm_Runtime_inl_h
michael@0: 
michael@0: #include "vm/Runtime.h"
michael@0: 
michael@0: #include "jscompartment.h"
michael@0: 
michael@0: #include "vm/Probes.h"
michael@0: 
michael@0: #include "jsgcinlines.h"
michael@0: 
michael@0: namespace js {
michael@0: 
michael@0: inline bool
michael@0: NewObjectCache::lookupProto(const Class *clasp, JSObject *proto, gc::AllocKind kind, EntryIndex *pentry)
michael@0: {
michael@0:     JS_ASSERT(!proto->is<GlobalObject>());
michael@0:     return lookup(clasp, proto, kind, pentry);
michael@0: }
michael@0: 
michael@0: inline bool
michael@0: NewObjectCache::lookupGlobal(const Class *clasp, js::GlobalObject *global, gc::AllocKind kind, EntryIndex *pentry)
michael@0: {
michael@0:     return lookup(clasp, global, kind, pentry);
michael@0: }
michael@0: 
michael@0: inline void
michael@0: NewObjectCache::fillGlobal(EntryIndex entry, const Class *clasp, js::GlobalObject *global, gc::AllocKind kind, JSObject *obj)
michael@0: {
michael@0:     //JS_ASSERT(global == obj->getGlobal());
michael@0:     return fill(entry, clasp, global, kind, obj);
michael@0: }
michael@0: 
michael@0: template <AllowGC allowGC>
michael@0: inline JSObject *
michael@0: NewObjectCache::newObjectFromHit(JSContext *cx, EntryIndex entry_, js::gc::InitialHeap heap)
michael@0: {
michael@0:     // The new object cache does not account for metadata attached via callbacks.
michael@0:     JS_ASSERT(!cx->compartment()->hasObjectMetadataCallback());
michael@0: 
michael@0:     JS_ASSERT(unsigned(entry_) < mozilla::ArrayLength(entries));
michael@0:     Entry *entry = &entries[entry_];
michael@0: 
michael@0:     JSObject *templateObj = reinterpret_cast<JSObject *>(&entry->templateObject);
michael@0: 
michael@0:     // Do an end run around JSObject::type() to avoid doing AutoUnprotectCell
michael@0:     // on the templateObj, which is not a GC thing and can't use runtimeFromAnyThread.
michael@0:     types::TypeObject *type = templateObj->type_;
michael@0: 
michael@0:     if (type->shouldPreTenure())
michael@0:         heap = gc::TenuredHeap;
michael@0: 
michael@0:     if (cx->runtime()->upcomingZealousGC())
michael@0:         return nullptr;
michael@0: 
michael@0:     // Trigger an identical allocation to the one that notified us of OOM
michael@0:     // so that we trigger the right kind of GC automatically.
michael@0:     if (allowGC) {
michael@0:         mozilla::DebugOnly<JSObject *> obj =
michael@0:             js::gc::AllocateObjectForCacheHit<allowGC>(cx, entry->kind, heap);
michael@0:         JS_ASSERT(!obj);
michael@0:         return nullptr;
michael@0:     }
michael@0: 
michael@0:     JS_ASSERT(allowGC == NoGC);
michael@0:     JSObject *obj = js::gc::AllocateObjectForCacheHit<NoGC>(cx, entry->kind, heap);
michael@0:     if (obj) {
michael@0:         copyCachedToObject(obj, templateObj, entry->kind);
michael@0:         probes::CreateObject(cx, obj);
michael@0:         return obj;
michael@0:     }
michael@0: 
michael@0:     return nullptr;
michael@0: }
michael@0: 
michael@0: }  /* namespace js */
michael@0: 
michael@0: #endif /* vm_Runtime_inl_h */