| // Copyright 2019 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. |
| |
| #ifndef V8_HEAP_READ_ONLY_HEAP_INL_H_ |
| #define V8_HEAP_READ_ONLY_HEAP_INL_H_ |
| |
| #include "src/execution/isolate-utils-inl.h" |
| #include "src/heap/read-only-heap.h" |
| #include "src/roots/roots-inl.h" |
| |
| namespace v8 { |
| namespace internal { |
| |
| // static |
| ReadOnlyRoots ReadOnlyHeap::GetReadOnlyRoots(HeapObject object) { |
| #ifdef V8_COMPRESS_POINTERS |
| IsolateRoot isolate = GetIsolateForPtrCompr(object); |
| return ReadOnlyRoots(Isolate::FromRootAddress(isolate.address())); |
| #else |
| #ifdef V8_SHARED_RO_HEAP |
| // This fails if we are creating heap objects and the roots haven't yet been |
| // copied into the read-only heap. |
| auto* shared_ro_heap = SoleReadOnlyHeap::shared_ro_heap_; |
| if (shared_ro_heap != nullptr && shared_ro_heap->init_complete_) { |
| return ReadOnlyRoots(shared_ro_heap->read_only_roots_); |
| } |
| #endif // V8_SHARED_RO_HEAP |
| return ReadOnlyRoots(GetHeapFromWritableObject(object)); |
| #endif // V8_COMPRESS_POINTERS |
| } |
| |
| } // namespace internal |
| } // namespace v8 |
| |
| #endif // V8_HEAP_READ_ONLY_HEAP_INL_H_ |
