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// Copyright 2022 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 "include/cppgc/internal/member-storage.h"
#include "include/cppgc/garbage-collected.h"
#include "include/cppgc/member.h"
#include "src/base/compiler-specific.h"
#include "src/base/macros.h"
namespace cppgc {
namespace internal {
#if defined(CPPGC_POINTER_COMPRESSION)
alignas(api_constants::kCachelineSize) CageBaseGlobal::Base
CageBaseGlobal::g_base_ = {CageBaseGlobal::kLowerHalfWordMask};
#endif // defined(CPPGC_POINTER_COMPRESSION)
// Debugging helpers.
#if defined(CPPGC_POINTER_COMPRESSION)
extern "C" V8_DONT_STRIP_SYMBOL V8_EXPORT_PRIVATE void*
_cppgc_internal_Decompress_Compressed_Pointer(uint32_t cmprsd) {
return CompressedPointer::Decompress(cmprsd);
}
#endif // !defined(CPPGC_POINTER_COMPRESSION)
class MemberDebugHelper final {
public:
static void* Uncompress(MemberBase<DefaultMemberStorage>* m) {
return const_cast<void*>(m->GetRaw());
}
};
extern "C" V8_DONT_STRIP_SYMBOL V8_EXPORT_PRIVATE void*
_cppgc_internal_Uncompress_Member(void* m) {
return MemberDebugHelper::Uncompress(
static_cast<MemberBase<DefaultMemberStorage>*>(m));
}
} // namespace internal
} // namespace cppgc
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