void PropertyHandlerCompiler::GenerateCheckPropertyCell(
MacroAssembler* masm, Handle<JSGlobalObject> global, Handle<Name> name,
Register scratch, Label* miss) {
- Handle<Cell> cell = JSGlobalObject::EnsurePropertyCell(global, name);
+ Handle<PropertyCell> cell = JSGlobalObject::EnsurePropertyCell(global, name);
DCHECK(cell->value()->IsTheHole());
Handle<WeakCell> weak_cell = masm->isolate()->factory()->NewWeakCell(cell);
__ LoadWeakValue(scratch, weak_cell, miss);
- __ ldr(scratch, FieldMemOperand(scratch, Cell::kValueOffset));
+ __ ldr(scratch, FieldMemOperand(scratch, PropertyCell::kValueOffset));
__ LoadRoot(ip, Heap::kTheHoleValueRootIndex);
__ cmp(scratch, ip);
__ b(ne, miss);
if (receiver_map->IsJSGlobalObjectMap()) {
current = isolate()->global_object();
}
+
+ // Check access rights to the global object. This has to happen after
+ // the map check so that we know that the object is actually a global
+ // object.
+ // This allows us to install generated handlers for accesses to the
+ // global proxy (as opposed to using slow ICs). See corresponding code
+ // in LookupForRead().
+ if (receiver_map->IsJSGlobalProxyMap()) {
+ __ CheckAccessGlobalProxy(reg, scratch2, miss);
+ }
+
Handle<JSObject> prototype = Handle<JSObject>::null();
Handle<Map> current_map = receiver_map;
Handle<Map> holder_map(holder()->map());
} else {
Register map_reg = scratch1;
__ ldr(map_reg, FieldMemOperand(reg, HeapObject::kMapOffset));
- if (depth != 1 || check == CHECK_ALL_MAPS) {
- Handle<WeakCell> cell = Map::WeakCellForMap(current_map);
- __ CmpWeakValue(map_reg, cell, scratch2);
- __ b(ne, miss);
- }
- // Check access rights to the global object. This has to happen after
- // the map check so that we know that the object is actually a global
- // object.
- // This allows us to install generated handlers for accesses to the
- // global proxy (as opposed to using slow ICs). See corresponding code
- // in LookupForRead().
- if (current_map->IsJSGlobalProxyMap()) {
- __ CheckAccessGlobalProxy(reg, scratch2, miss);
- } else if (current_map->IsJSGlobalObjectMap()) {
+ if (current_map->IsJSGlobalObjectMap()) {
GenerateCheckPropertyCell(masm(), Handle<JSGlobalObject>::cast(current),
name, scratch2, miss);
+ } else if (depth != 1 || check == CHECK_ALL_MAPS) {
+ Handle<WeakCell> cell = Map::WeakCellForMap(current_map);
+ __ CmpWeakValue(map_reg, cell, scratch2);
+ __ b(ne, miss);
}
reg = holder_reg; // From now on the object will be in holder_reg.
current_map = handle(current->map());
}
+ DCHECK(!current_map->IsJSGlobalProxyMap());
+
// Log the check depth.
LOG(isolate(), IntEvent("check-maps-depth", depth + 1));
__ b(ne, miss);
}
- // Perform security check for access to the global object.
- DCHECK(current_map->IsJSGlobalProxyMap() ||
- !current_map->is_access_check_needed());
- if (current_map->IsJSGlobalProxyMap()) {
- __ CheckAccessGlobalProxy(reg, scratch1, miss);
- }
-
// Return the register containing the holder.
return reg;
}
Register result = StoreDescriptor::ValueRegister();
Handle<WeakCell> weak_cell = factory()->NewWeakCell(cell);
__ LoadWeakValue(result, weak_cell, &miss);
- __ ldr(result, FieldMemOperand(result, Cell::kValueOffset));
+ __ ldr(result, FieldMemOperand(result, PropertyCell::kValueOffset));
// Check for deleted property if property can actually be deleted.
if (is_configurable) {