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
58