Subversion Repositories QNX 8.QNX8 LLVM/Clang compiler suite

//===- DWARF.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 LLD_DWARF_H

#define LLD_DWARF_H

#include "lld/Common/LLVM.h"

#include "llvm/ADT/DenseMap.h"

#include "llvm/ADT/StringRef.h"

#include "llvm/DebugInfo/DWARF/DWARFContext.h"

#include "llvm/DebugInfo/DWARF/DWARFDebugLine.h"

#include <memory>

#include <string>

namespace llvm {

struct DILineInfo;

} // namespace llvm

namespace lld {

class DWARFCache {

public:

  DWARFCache(std::unique_ptr<llvm::DWARFContext> dwarf);

  std::optional<llvm::DILineInfo> getDILineInfo(uint64_t offset,

                                                uint64_t sectionIndex);

  std::optional<std::pair<std::string, unsigned>>

  getVariableLoc(StringRef name);

  llvm::DWARFContext *getContext() { return dwarf.get(); }

private:

  std::unique_ptr<llvm::DWARFContext> dwarf;

  std::vector<const llvm::DWARFDebugLine::LineTable *> lineTables;

  struct VarLoc {

    const llvm::DWARFDebugLine::LineTable *lt;

    unsigned file;

    unsigned line;

  };

  llvm::DenseMap<StringRef, VarLoc> variableLoc;

};

} // namespace lld

#endif