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//===- DWARFGdbIndex.h ------------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_DEBUGINFO_DWARF_DWARFGDBINDEX_H
#define LLVM_DEBUGINFO_DWARF_DWARFGDBINDEX_H
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/DataExtractor.h"
#include <cstdint>
#include <utility>
namespace llvm {
class raw_ostream;
class DWARFGdbIndex {
uint32_t Version;
uint32_t CuListOffset;
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 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 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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