| //===-- CFBasicHash.h -------------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLDB_SOURCE_PLUGINS_LANGUAGE_OBJC_CFBASICHASH_H |
| #define LLDB_SOURCE_PLUGINS_LANGUAGE_OBJC_CFBASICHASH_H |
| |
| #include "lldb/Target/Process.h" |
| #include "lldb/Target/Target.h" |
| |
| namespace lldb_private { |
| |
| class CFBasicHash { |
| public: |
| enum class HashType { set = 0, dict }; |
| |
| CFBasicHash() = default; |
| ~CFBasicHash() = default; |
| |
| bool Update(lldb::addr_t addr, ExecutionContextRef exe_ctx_rf); |
| |
| bool IsValid() const; |
| |
| bool IsMutable() const { return m_mutable; }; |
| bool IsMultiVariant() const { return m_multi; } |
| HashType GetType() const { return m_type; } |
| |
| size_t GetCount() const; |
| lldb::addr_t GetKeyPointer() const; |
| lldb::addr_t GetValuePointer() const; |
| |
| private: |
| template <typename T> struct __CFBasicHash { |
| struct RuntimeBase { |
| T cfisa; |
| T cfinfoa; |
| } base; |
| |
| struct Bits { |
| uint16_t __reserved0; |
| uint16_t __reserved1 : 2; |
| uint16_t keys_offset : 1; |
| uint16_t counts_offset : 2; |
| uint16_t counts_width : 2; |
| uint16_t __reserved2 : 9; |
| uint32_t used_buckets; // number of used buckets |
| uint64_t deleted : 16; // number of elements deleted |
| uint64_t num_buckets_idx : 8; // index to number of buckets |
| uint64_t __reserved3 : 40; |
| uint64_t __reserved4; |
| } bits; |
| |
| T pointers[3]; |
| }; |
| template <typename T> bool UpdateFor(std::unique_ptr<__CFBasicHash<T>> &m_ht); |
| |
| size_t GetPointerCount() const; |
| |
| uint32_t m_ptr_size = UINT32_MAX; |
| lldb::ByteOrder m_byte_order = lldb::eByteOrderInvalid; |
| Address m_address = LLDB_INVALID_ADDRESS; |
| std::unique_ptr<__CFBasicHash<uint32_t>> m_ht_32 = nullptr; |
| std::unique_ptr<__CFBasicHash<uint64_t>> m_ht_64 = nullptr; |
| ExecutionContextRef m_exe_ctx_ref; |
| bool m_mutable = true; |
| bool m_multi = false; |
| HashType m_type; |
| }; |
| |
| } // namespace lldb_private |
| |
| #endif // LLDB_SOURCE_PLUGINS_LANGUAGE_OBJC_CFBASICHASH_H |