1 // Copyright 2018 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/roots/roots.h" 6 7 #include "src/objects/elements-kind.h" 8 #include "src/objects/objects-inl.h" 9 #include "src/objects/visitors.h" 10 11 namespace v8 { 12 namespace internal { 13 14 const char* RootsTable::root_names_[RootsTable::kEntriesCount] = { 15 #define ROOT_NAME(type, name, CamelName) #name, 16 ROOT_LIST(ROOT_NAME) 17 #undef ROOT_NAME 18 }; 19 one_pointer_filler_map_word()20MapWord ReadOnlyRoots::one_pointer_filler_map_word() { 21 return MapWord::FromMap(one_pointer_filler_map()); 22 } 23 Iterate(RootVisitor * visitor)24void ReadOnlyRoots::Iterate(RootVisitor* visitor) { 25 visitor->VisitRootPointers(Root::kReadOnlyRootList, nullptr, 26 FullObjectSlot(read_only_roots_), 27 FullObjectSlot(&read_only_roots_[kEntriesCount])); 28 visitor->Synchronize(VisitorSynchronization::kReadOnlyRootList); 29 } 30 31 #ifdef DEBUG 32 #define ROOT_TYPE_CHECK(Type, name, CamelName) \ 33 bool ReadOnlyRoots::CheckType_##name() const { \ 34 return unchecked_##name().Is##Type(); \ 35 } 36 37 READ_ONLY_ROOT_LIST(ROOT_TYPE_CHECK) 38 #undef ROOT_TYPE_CHECK 39 #endif 40 41 } // namespace internal 42 } // namespace v8 43