| 1 | //===----------------------------------------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include <__config> |
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| 10 | #include <memory> |
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| 11 | |
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| 12 | // Support for garbage collection was removed in C++23 by https://wg21.link/P2186R2. Libc++ implements |
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| 13 | // that removal as an extension in all Standard versions. However, we still define the functions that |
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| 14 | // were once part of the library's ABI for backwards compatibility. |
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| 15 | |
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| 16 | _LIBCPP_BEGIN_NAMESPACE_STD |
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| 17 | |
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| 18 | _LIBCPP_EXPORTED_FROM_ABI void declare_reachable(void*) {} |
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| 19 | _LIBCPP_EXPORTED_FROM_ABI void declare_no_pointers(char*, size_t) {} |
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| 20 | _LIBCPP_EXPORTED_FROM_ABI void undeclare_no_pointers(char*, size_t) {} |
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| 21 | _LIBCPP_EXPORTED_FROM_ABI void* __undeclare_reachable(void* p) { return p; } |
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| 22 | |
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| 23 | _LIBCPP_END_NAMESPACE_STD |
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| 24 | |
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