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 SymbolFileDWARF_DWARFDebugAranges_h_
10#define SymbolFileDWARF_DWARFDebugAranges_h_
11
12#include "lldb/Core/dwarf.h"
13#include "lldb/Utility/RangeMap.h"
14#include "llvm/Support/Error.h"
15
16class DWARFDebugAranges {
17protected:
18  typedef lldb_private::RangeDataVector<dw_addr_t, uint32_t, dw_offset_t>
19      RangeToDIE;
20
21public:
22  typedef RangeToDIE::Entry Range;
23  typedef std::vector<RangeToDIE::Entry> RangeColl;
24
25  DWARFDebugAranges();
26
27  void Clear() { m_aranges.Clear(); }
28
29  llvm::Error
30  extract(const lldb_private::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(lldb_private::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
51protected:
52  RangeToDIE m_aranges;
53};
54
55#endif // SymbolFileDWARF_DWARFDebugAranges_h_
56