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