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//===-- DWARFDebugRanges.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_DWARFDebugRanges_h_
#define SymbolFileDWARF_DWARFDebugRanges_h_
#include "DWARFDIE.h"
#include "SymbolFileDWARF.h"
#include <map>
class DWARFDebugRangesBase {
public:
virtual ~DWARFDebugRangesBase(){};
virtual void Extract(SymbolFileDWARF *dwarf2Data) = 0;
virtual bool FindRanges(const DWARFUnit *cu, dw_offset_t debug_ranges_offset,
DWARFRangeList &range_list) const = 0;
virtual uint64_t GetOffset(size_t Index) const = 0;
};
class DWARFDebugRanges final : public DWARFDebugRangesBase {
public:
DWARFDebugRanges();
void Extract(SymbolFileDWARF *dwarf2Data) override;
bool FindRanges(const DWARFUnit *cu, dw_offset_t debug_ranges_offset,
DWARFRangeList &range_list) const override;
uint64_t GetOffset(size_t Index) const override;
static void Dump(lldb_private::Stream &s,
const lldb_private::DWARFDataExtractor &debug_ranges_data,
lldb::offset_t *offset_ptr, dw_addr_t cu_base_addr);
protected:
bool Extract(SymbolFileDWARF *dwarf2Data, lldb::offset_t *offset_ptr,
DWARFRangeList &range_list);
typedef std::map<dw_offset_t, DWARFRangeList> range_map;
typedef range_map::iterator range_map_iterator;
typedef range_map::const_iterator range_map_const_iterator;
range_map m_range_map;
};
// DWARF v5 .debug_rnglists section.
class DWARFDebugRngLists final : public DWARFDebugRangesBase {
struct RngListEntry {
uint8_t encoding;
uint64_t value0;
uint64_t value1;
};
public:
void Extract(SymbolFileDWARF *dwarf2Data) override;
bool FindRanges(const DWARFUnit *cu, dw_offset_t debug_ranges_offset,
DWARFRangeList &range_list) const override;
uint64_t GetOffset(size_t Index) const override;
protected:
bool ExtractRangeList(const lldb_private::DWARFDataExtractor &data,
uint8_t addrSize, lldb::offset_t *offset_ptr,
std::vector<RngListEntry> &list);
std::vector<uint64_t> Offsets;
std::map<dw_offset_t, std::vector<RngListEntry>> m_range_map;
};
#endif // SymbolFileDWARF_DWARFDebugRanges_h_
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