83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
//===- DWARFGdbIndex.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 LLVM_DEBUGINFO_DWARF_DWARFGDBINDEX_H
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#define LLVM_DEBUGINFO_DWARF_DWARFGDBINDEX_H
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#include "llvm/ADT/SmallVector.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/DataExtractor.h"
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#include <cstdint>
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#include <utility>
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namespace llvm {
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class raw_ostream;
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class DWARFGdbIndex {
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uint32_t Version;
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uint32_t CuListOffset;
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uint32_t TuListOffset;
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uint32_t AddressAreaOffset;
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uint32_t SymbolTableOffset;
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uint32_t ConstantPoolOffset;
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struct CompUnitEntry {
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uint64_t Offset; /// Offset of a CU in the .debug_info section.
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uint64_t Length; /// Length of that CU.
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};
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SmallVector<CompUnitEntry, 0> CuList;
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struct TypeUnitEntry {
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uint64_t Offset;
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uint64_t TypeOffset;
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uint64_t TypeSignature;
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};
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SmallVector<TypeUnitEntry, 0> TuList;
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struct AddressEntry {
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uint64_t LowAddress; /// The low address.
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uint64_t HighAddress; /// The high address.
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uint32_t CuIndex; /// The CU index.
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};
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SmallVector<AddressEntry, 0> AddressArea;
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struct SymTableEntry {
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uint32_t NameOffset; /// Offset of the symbol's name in the constant pool.
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uint32_t VecOffset; /// Offset of the CU vector in the constant pool.
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};
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SmallVector<SymTableEntry, 0> SymbolTable;
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/// Each value is CU index + attributes.
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SmallVector<std::pair<uint32_t, SmallVector<uint32_t, 0>>, 0>
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ConstantPoolVectors;
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StringRef ConstantPoolStrings;
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uint32_t StringPoolOffset;
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void dumpCUList(raw_ostream &OS) const;
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void dumpTUList(raw_ostream &OS) const;
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void dumpAddressArea(raw_ostream &OS) const;
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void dumpSymbolTable(raw_ostream &OS) const;
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void dumpConstantPool(raw_ostream &OS) const;
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bool parseImpl(DataExtractor Data);
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public:
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void dump(raw_ostream &OS);
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void parse(DataExtractor Data);
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bool HasContent = false;
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bool HasError = false;
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};
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} // end namespace llvm
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#endif // LLVM_DEBUGINFO_DWARF_DWARFGDBINDEX_H
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