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//===- 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
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