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// 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
const Isolate* isolate = GetIsolateForPtrCompr(object);
return ReadOnlyRoots(const_cast<Isolate*>(isolate));
#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_