lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugAranges.h

   1 //===-- DWARFDebugAranges.h -------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #ifndef LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGES_H
  10 #define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGES_H
  11
  12 #include "lldb/Core/dwarf.h"
  13 #include "lldb/Utility/RangeMap.h"
  14 #include "llvm/Support/Error.h"
  15
  16 namespace lldb_private::plugin {
  17 namespace dwarf {
  18 class DWARFDebugAranges {
  19 protected:
  20   typedef RangeDataVector<dw_addr_t, uint32_t, dw_offset_t> RangeToDIE;
  21
  22 public:
  23   typedef RangeToDIE::Entry Range;
  24   typedef std::vector<RangeToDIE::Entry> RangeColl;
  25
  26   DWARFDebugAranges();
  27
  28   void Clear() { m_aranges.Clear(); }
  29
  30   void extract(const DWARFDataExtractor &debug_aranges_data);
  31
  32   // Use append range multiple times and then call sort
  33   void AppendRange(dw_offset_t cu_offset, dw_addr_t low_pc, dw_addr_t high_pc);
  34
  35   void Sort(bool minimize);
  36
  37   void Dump(Log *log) const;
  38
  39   dw_offset_t FindAddress(dw_addr_t address) const;
  40
  41   bool IsEmpty() const { return m_aranges.IsEmpty(); }
  42   size_t GetNumRanges() const { return m_aranges.GetSize(); }
  43
  44   dw_offset_t OffsetAtIndex(uint32_t idx) const {
  45     const Range *range = m_aranges.GetEntryAtIndex(idx);
  46     if (range)
  47       return range->data;
  48     return DW_INVALID_OFFSET;
  49   }
  50
  51 protected:
  52   RangeToDIE m_aranges;
  53 };
  54 } // namespace dwarf
  55 } // namespace lldb_private::plugin
  56
  57 #endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGES_H