459cfa5e94
Improve LLDB reliability by fixing the following "uninitialized variables" static code inspection warnings from
scan.coverity.com:
1094796 1095721 1095728 1095737 1095741
1095756 1095779 1095789 1095805 1214552
1229457 1232475 1274006 1274010 1293427
1364800 1364802 1364804 1364812 1364816
1374902 1374909 1384975 1399312 1420451
1431704 1454230 1454554 1454615 1454579
1454594 1454832 1457759 1458696 1461909
1467658 1487814 1487830 1487845
Differential Revision: https://reviews.llvm.org/D130098
77 lines
2.2 KiB
C++
77 lines
2.2 KiB
C++
//===-- CFBasicHash.h -------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_SOURCE_PLUGINS_LANGUAGE_OBJC_CFBASICHASH_H
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#define LLDB_SOURCE_PLUGINS_LANGUAGE_OBJC_CFBASICHASH_H
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#include "lldb/Target/Process.h"
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#include "lldb/Target/Target.h"
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namespace lldb_private {
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class CFBasicHash {
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public:
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enum class HashType { set = 0, dict };
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CFBasicHash() = default;
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~CFBasicHash() = default;
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bool Update(lldb::addr_t addr, ExecutionContextRef exe_ctx_rf);
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bool IsValid() const;
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bool IsMutable() const { return m_mutable; };
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bool IsMultiVariant() const { return m_multi; }
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HashType GetType() const { return m_type; }
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size_t GetCount() const;
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lldb::addr_t GetKeyPointer() const;
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lldb::addr_t GetValuePointer() const;
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private:
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template <typename T> struct __CFBasicHash {
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struct RuntimeBase {
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T cfisa;
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T cfinfoa;
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} base;
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struct Bits {
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uint16_t __reserved0;
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uint16_t __reserved1 : 2;
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uint16_t keys_offset : 1;
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uint16_t counts_offset : 2;
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uint16_t counts_width : 2;
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uint16_t __reserved2 : 9;
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uint32_t used_buckets; // number of used buckets
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uint64_t deleted : 16; // number of elements deleted
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uint64_t num_buckets_idx : 8; // index to number of buckets
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uint64_t __reserved3 : 40;
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uint64_t __reserved4;
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} bits;
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T pointers[3];
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};
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template <typename T> bool UpdateFor(std::unique_ptr<__CFBasicHash<T>> &m_ht);
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size_t GetPointerCount() const;
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uint32_t m_ptr_size = UINT32_MAX;
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lldb::ByteOrder m_byte_order = lldb::eByteOrderInvalid;
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Address m_address = LLDB_INVALID_ADDRESS;
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std::unique_ptr<__CFBasicHash<uint32_t>> m_ht_32 = nullptr;
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std::unique_ptr<__CFBasicHash<uint64_t>> m_ht_64 = nullptr;
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ExecutionContextRef m_exe_ctx_ref;
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bool m_mutable = true;
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bool m_multi = false;
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HashType m_type = HashType::set;
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};
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} // namespace lldb_private
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#endif // LLDB_SOURCE_PLUGINS_LANGUAGE_OBJC_CFBASICHASH_H
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