%PDF- %PDF-
| Direktori : /home/vacivi36/vittasync.vacivitta.com.br/vittasync/node/deps/v8/src/snapshot/ |
| Current File : /home/vacivi36/vittasync.vacivitta.com.br/vittasync/node/deps/v8/src/snapshot/serializer-inl.h |
// Copyright 2021 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_SNAPSHOT_SERIALIZER_INL_H_
#define V8_SNAPSHOT_SERIALIZER_INL_H_
#include "src/roots/roots-inl.h"
#include "src/snapshot/serializer.h"
namespace v8 {
namespace internal {
bool Serializer::IsNotMappedSymbol(Tagged<HeapObject> obj) const {
Tagged<Object> not_mapped_symbol =
ReadOnlyRoots(isolate()).not_mapped_symbol();
if (V8_EXTERNAL_CODE_SPACE_BOOL) {
// It's possible that a InstructionStream object might have the same
// compressed value as the not_mapped_symbol, so we must compare full
// pointers.
// TODO(v8:11880): Avoid the need for this special case by never putting
// InstructionStream references anywhere except the CodeDadaContainer
// objects. In particular, the InstructionStream objects should not appear
// in serializer's identity map. This should be possible once the
// IsolateData::builtins table is migrated to contain Code
// references.
return obj.ptr() == not_mapped_symbol.ptr();
}
return obj == not_mapped_symbol;
}
} // namespace internal
} // namespace v8
#endif // V8_SNAPSHOT_SERIALIZER_INL_H_