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 class DWARFDebugAranges {
17 protected:
18   typedef lldb_private::RangeDataVector<dw_addr_t, uint32_t, dw_offset_t>
19       RangeToDIE;
20 
21 public:
22   typedef RangeToDIE::Entry Range;
23   typedef std::vector<RangeToDIE::Entry> RangeColl;
24 
25   DWARFDebugAranges();
26 
27   void Clear() { m_aranges.Clear(); }
28 
29   void extract(const lldb_private::DWARFDataExtractor &debug_aranges_data);
30 
31   // Use append range multiple times and then call sort
32   void AppendRange(dw_offset_t cu_offset, dw_addr_t low_pc, dw_addr_t high_pc);
33 
34   void Sort(bool minimize);
35 
36   void Dump(lldb_private::Log *log) const;
37 
38   dw_offset_t FindAddress(dw_addr_t address) const;
39 
40   bool IsEmpty() const { return m_aranges.IsEmpty(); }
41   size_t GetNumRanges() const { return m_aranges.GetSize(); }
42 
43   dw_offset_t OffsetAtIndex(uint32_t idx) const {
44     const Range *range = m_aranges.GetEntryAtIndex(idx);
45     if (range)
46       return range->data;
47     return DW_INVALID_OFFSET;
48   }
49 
50 protected:
51   RangeToDIE m_aranges;
52 };
53 
54 #endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGES_H
55