xref: /third_party/node/deps/v8/src/roots/roots.cc

// Copyright 2018 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "src/roots/roots.h"

#include "src/objects/elements-kind.h"
#include "src/objects/objects-inl.h"
#include "src/objects/visitors.h"

namespace v8 {
namespace internal {

const char* RootsTable::root_names_[RootsTable::kEntriesCount] = {
#define ROOT_NAME(type, name, CamelName) #name,
    ROOT_LIST(ROOT_NAME)
#undef ROOT_NAME
};

MapWord ReadOnlyRoots::one_pointer_filler_map_word() {
  return MapWord::FromMap(one_pointer_filler_map());
}

void ReadOnlyRoots::Iterate(RootVisitor* visitor) {
  visitor->VisitRootPointers(Root::kReadOnlyRootList, nullptr,
                             FullObjectSlot(read_only_roots_),
                             FullObjectSlot(&read_only_roots_[kEntriesCount]));
  visitor->Synchronize(VisitorSynchronization::kReadOnlyRootList);
}

#ifdef DEBUG
#define ROOT_TYPE_CHECK(Type, name, CamelName)   \
  bool ReadOnlyRoots::CheckType_##name() const { \
    return unchecked_##name().Is##Type();        \
  }

READ_ONLY_ROOT_LIST(ROOT_TYPE_CHECK)
#undef ROOT_TYPE_CHECK
#endif

}  // namespace internal
}  // namespace v8