5497f6580e
This adds support for DW_RLE_base_addressx, DW_RLE_startx_endx, DW_RLE_startx_length, DW_FORM_rnglistx. Differential revision: https://reviews.llvm.org/D53929 llvm-svn: 345958
75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
//===-- DWARFDebugRanges.h --------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef SymbolFileDWARF_DWARFDebugRanges_h_
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#define SymbolFileDWARF_DWARFDebugRanges_h_
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#include "DWARFDIE.h"
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#include "SymbolFileDWARF.h"
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#include <map>
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class DWARFDebugRangesBase {
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public:
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virtual ~DWARFDebugRangesBase(){};
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virtual void Extract(SymbolFileDWARF *dwarf2Data) = 0;
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virtual bool FindRanges(const DWARFUnit *cu, dw_offset_t debug_ranges_offset,
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DWARFRangeList &range_list) const = 0;
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virtual uint64_t GetOffset(size_t Index) const = 0;
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};
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class DWARFDebugRanges final : public DWARFDebugRangesBase {
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public:
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DWARFDebugRanges();
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void Extract(SymbolFileDWARF *dwarf2Data) override;
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bool FindRanges(const DWARFUnit *cu, dw_offset_t debug_ranges_offset,
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DWARFRangeList &range_list) const override;
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uint64_t GetOffset(size_t Index) const override;
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static void Dump(lldb_private::Stream &s,
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const lldb_private::DWARFDataExtractor &debug_ranges_data,
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lldb::offset_t *offset_ptr, dw_addr_t cu_base_addr);
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protected:
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bool Extract(SymbolFileDWARF *dwarf2Data, lldb::offset_t *offset_ptr,
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DWARFRangeList &range_list);
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typedef std::map<dw_offset_t, DWARFRangeList> range_map;
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typedef range_map::iterator range_map_iterator;
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typedef range_map::const_iterator range_map_const_iterator;
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range_map m_range_map;
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};
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// DWARF v5 .debug_rnglists section.
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class DWARFDebugRngLists final : public DWARFDebugRangesBase {
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struct RngListEntry {
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uint8_t encoding;
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uint64_t value0;
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uint64_t value1;
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};
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public:
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void Extract(SymbolFileDWARF *dwarf2Data) override;
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bool FindRanges(const DWARFUnit *cu, dw_offset_t debug_ranges_offset,
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DWARFRangeList &range_list) const override;
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uint64_t GetOffset(size_t Index) const override;
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protected:
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bool ExtractRangeList(const lldb_private::DWARFDataExtractor &data,
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uint8_t addrSize, lldb::offset_t *offset_ptr,
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std::vector<RngListEntry> &list);
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std::vector<uint64_t> Offsets;
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std::map<dw_offset_t, std::vector<RngListEntry>> m_range_map;
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};
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#endif // SymbolFileDWARF_DWARFDebugRanges_h_
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