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-rw-r--r--include/lld/Common/DWARF.h47
1 files changed, 47 insertions, 0 deletions
diff --git a/include/lld/Common/DWARF.h b/include/lld/Common/DWARF.h
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+++ b/include/lld/Common/DWARF.h
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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);
+ llvm::Optional<llvm::DILineInfo> getDILineInfo(uint64_t offset,
+ uint64_t sectionIndex);
+ llvm::Optional<std::pair<std::string, unsigned>>
+ getVariableLoc(StringRef name);
+
+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