1 // Copyright 2020 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "src/heap/local-factory.h"
6
7 #include "src/common/globals.h"
8 #include "src/execution/local-isolate.h"
9 #include "src/handles/handles.h"
10 #include "src/heap/concurrent-allocator-inl.h"
11 #include "src/heap/local-heap-inl.h"
12 #include "src/numbers/hash-seed-inl.h"
13 #include "src/objects/fixed-array.h"
14 #include "src/objects/heap-object.h"
15 #include "src/objects/string.h"
16 #include "src/roots/roots-inl.h"
17 #include "src/strings/string-hasher.h"
18
19 namespace v8 {
20 namespace internal {
21
22 #ifdef V8_SANDBOXED_EXTERNAL_POINTERS
LocalFactory(Isolate * isolate)23 LocalFactory::LocalFactory(Isolate* isolate)
24 : roots_(isolate), isolate_for_sandbox_(isolate) {}
25 #else
26 LocalFactory::LocalFactory(Isolate* isolate) : roots_(isolate) {}
27 #endif
28
AddToScriptList(Handle<Script> shared)29 void LocalFactory::AddToScriptList(Handle<Script> shared) {
30 // TODO(leszeks): Actually add the script to the main Isolate's script list,
31 // in a thread-safe way.
32 //
33 // At the moment, we have to do one final fix-up during off-thread
34 // finalization, where we add the created script to the script list, but this
35 // relies on there being exactly one script created during the lifetime of
36 // this LocalFactory.
37 //
38 // For now, prevent accidentaly creating more scripts that don't get added to
39 // the script list with a simple DCHECK.
40 #ifdef DEBUG
41 DCHECK(!a_script_was_added_to_the_script_list_);
42 a_script_was_added_to_the_script_list_ = true;
43 #endif
44 }
45
AllocateRaw(int size,AllocationType allocation,AllocationAlignment alignment)46 HeapObject LocalFactory::AllocateRaw(int size, AllocationType allocation,
47 AllocationAlignment alignment) {
48 DCHECK(allocation == AllocationType::kOld ||
49 allocation == AllocationType::kSharedOld);
50 return HeapObject::FromAddress(isolate()->heap()->AllocateRawOrFail(
51 size, allocation, AllocationOrigin::kRuntime, alignment));
52 }
53
54 } // namespace internal
55 } // namespace v8
56