d67b550df5
Delete the abstract GetOffset function, which is only defined for rnglists entries. Instead fix up entries which refer to the range list classes so that one can statically know that he is dealing with the rnglists section and call the function that way. llvm-svn: 367106
75 lines
2.4 KiB
C++
75 lines
2.4 KiB
C++
//===-- DWARFDebugRanges.h --------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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 "lldb/Core/dwarf.h"
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#include <map>
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class DWARFUnit;
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namespace lldb_private {
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class DWARFContext;
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}
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class DWARFDebugRangesBase {
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public:
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virtual ~DWARFDebugRangesBase(){};
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virtual void Extract(lldb_private::DWARFContext &context) = 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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};
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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(lldb_private::DWARFContext &context) 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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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(lldb_private::DWARFContext &context, 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(lldb_private::DWARFContext &context) 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;
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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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