xref: /external/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugAranges.h

//===-- DWARFDebugAranges.h -------------------------------------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#ifndef SymbolFileDWARF_DWARFDebugAranges_h_
#define SymbolFileDWARF_DWARFDebugAranges_h_

#include "DWARFDebugArangeSet.h"
#include <list>

#include "lldb/Core/RangeMap.h"

class SymbolFileDWARF;

class DWARFDebugAranges
{
protected:
    typedef lldb_private::RangeDataArray<dw_addr_t, uint32_t, dw_offset_t, 1> RangeToDIE;

public:
    typedef RangeToDIE::Entry Range;
    typedef std::vector<RangeToDIE::Entry> RangeColl;

    DWARFDebugAranges();

    void
    Clear()
    {
        m_aranges.Clear();
    }

    bool
    Extract(const lldb_private::DataExtractor &debug_aranges_data);

    bool
    Generate(SymbolFileDWARF* dwarf2Data);

                // Use append range multiple times and then call sort
    void
    AppendRange (dw_offset_t cu_offset,
                 dw_addr_t low_pc,
                 dw_addr_t high_pc);

    void
    Sort (bool minimize);

    const Range*
    RangeAtIndex(uint32_t idx) const
    {
        return m_aranges.GetEntryAtIndex (idx);
    }

    void
    Dump (lldb_private::Log *log) const;

    dw_offset_t
    FindAddress(dw_addr_t address) const;

    bool
    IsEmpty() const
    {
        return m_aranges.IsEmpty();
    }
    size_t
    GetNumRanges() const
    {
        return m_aranges.GetSize();
    }

    dw_offset_t
    OffsetAtIndex(uint32_t idx) const
    {
        const Range *range = m_aranges.GetEntryAtIndex (idx);
        if (range)
            return range->data;
        return DW_INVALID_OFFSET;
    }

    static void
    Dump(SymbolFileDWARF* dwarf2Data, lldb_private::Stream *s);

protected:


    RangeToDIE m_aranges;
};


#endif  // SymbolFileDWARF_DWARFDebugAranges_h_