contrib/llvm/tools/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugAranges.h

   1 //===-- DWARFDebugAranges.h -------------------------------------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #ifndef SymbolFileDWARF_DWARFDebugAranges_h_
  11 #define SymbolFileDWARF_DWARFDebugAranges_h_
  12
  13 #include "DWARFDebugArangeSet.h"
  14 #include <list>
  15
  16 #include "lldb/Core/RangeMap.h"
  17
  18 class SymbolFileDWARF;
  19
  20 class DWARFDebugAranges
  21 {
  22 protected:
  23     typedef lldb_private::RangeDataArray<dw_addr_t, uint32_t, dw_offset_t, 1> RangeToDIE;
  24
  25 public:
  26     typedef RangeToDIE::Entry Range;
  27     typedef std::vector<RangeToDIE::Entry> RangeColl;
  28
  29     DWARFDebugAranges();
  30
  31     void
  32     Clear()
  33     {
  34         m_aranges.Clear();
  35     }
  36
  37     bool
  38     Extract(const lldb_private::DWARFDataExtractor &debug_aranges_data);
  39
  40     bool
  41     Generate(SymbolFileDWARF* dwarf2Data);
  42
  43                 // Use append range multiple times and then call sort
  44     void
  45     AppendRange (dw_offset_t cu_offset,
  46                  dw_addr_t low_pc,
  47                  dw_addr_t high_pc);
  48
  49     void
  50     Sort (bool minimize);
  51
  52     const Range*
  53     RangeAtIndex(uint32_t idx) const
  54     {
  55         return m_aranges.GetEntryAtIndex (idx);
  56     }
  57
  58     void
  59     Dump (lldb_private::Log *log) const;
  60
  61     dw_offset_t
  62     FindAddress(dw_addr_t address) const;
  63
  64     bool
  65     IsEmpty() const
  66     {
  67         return m_aranges.IsEmpty();
  68     }
  69     size_t
  70     GetNumRanges() const
  71     {
  72         return m_aranges.GetSize();
  73     }
  74
  75     dw_offset_t
  76     OffsetAtIndex(uint32_t idx) const
  77     {
  78         const Range *range = m_aranges.GetEntryAtIndex (idx);
  79         if (range)
  80             return range->data;
  81         return DW_INVALID_OFFSET;
  82     }
  83
  84     static void
  85     Dump(SymbolFileDWARF* dwarf2Data, lldb_private::Stream *s);
  86
  87 protected:
  88
  89
  90     RangeToDIE m_aranges;
  91 };
  92
  93
  94 #endif  // SymbolFileDWARF_DWARFDebugAranges_h_