94 lines
2.9 KiB
C++
94 lines
2.9 KiB
C++
//===-- NameToDIE.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_SYMBOLFILE_DWARF_NAMETODIE_H
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#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_NAMETODIE_H
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#include <functional>
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#include "DIERef.h"
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#include "lldb/Core/UniqueCStringMap.h"
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#include "lldb/Core/dwarf.h"
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#include "lldb/lldb-defines.h"
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namespace lldb_private::plugin {
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namespace dwarf {
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class DWARFUnit;
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class NameToDIE {
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public:
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NameToDIE() : m_map() {}
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~NameToDIE() = default;
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void Dump(Stream *s);
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void Insert(ConstString name, const DIERef &die_ref);
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void Append(const NameToDIE &other);
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void Finalize();
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bool Find(ConstString name,
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llvm::function_ref<bool(DIERef ref)> callback) const;
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bool Find(const RegularExpression ®ex,
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llvm::function_ref<bool(DIERef ref)> callback) const;
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/// \a unit must be the skeleton unit if possible, not GetNonSkeletonUnit().
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void
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FindAllEntriesForUnit(DWARFUnit &unit,
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llvm::function_ref<bool(DIERef ref)> callback) const;
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void
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ForEach(std::function<bool(ConstString name, const DIERef &die_ref)> const
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&callback) const;
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/// Decode a serialized version of this object from data.
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///
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/// \param data
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/// The decoder object that references the serialized data.
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///
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/// \param offset_ptr
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/// A pointer that contains the offset from which the data will be decoded
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/// from that gets updated as data gets decoded.
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///
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/// \param strtab
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/// All strings in cache files are put into string tables for efficiency
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/// and cache file size reduction. Strings are stored as uint32_t string
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/// table offsets in the cache data.
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bool Decode(const DataExtractor &data, lldb::offset_t *offset_ptr,
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const StringTableReader &strtab);
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/// Encode this object into a data encoder object.
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///
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/// This allows this object to be serialized to disk.
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///
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/// \param encoder
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/// A data encoder object that serialized bytes will be encoded into.
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///
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/// \param strtab
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/// All strings in cache files are put into string tables for efficiency
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/// and cache file size reduction. Strings are stored as uint32_t string
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/// table offsets in the cache data.
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void Encode(DataEncoder &encoder, ConstStringTable &strtab) const;
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/// Used for unit testing the encoding and decoding.
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bool operator==(const NameToDIE &rhs) const;
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bool IsEmpty() const { return m_map.IsEmpty(); }
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void Clear() { m_map.Clear(); }
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protected:
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UniqueCStringMap<DIERef> m_map;
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};
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} // namespace dwarf
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} // namespace lldb_private::plugin
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#endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_NAMETODIE_H
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