1 //===-- DWARFDebugAranges.h -------------------------------------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGES_H 10 #define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGES_H 11 12 #include "lldb/Core/dwarf.h" 13 #include "lldb/Utility/RangeMap.h" 14 #include "llvm/Support/Error.h" 15 16 class DWARFDebugAranges { 17 protected: 18 typedef lldb_private::RangeDataVector<dw_addr_t, uint32_t, dw_offset_t> 19 RangeToDIE; 20 21 public: 22 typedef RangeToDIE::Entry Range; 23 typedef std::vector<RangeToDIE::Entry> RangeColl; 24 25 DWARFDebugAranges(); 26 27 void Clear() { m_aranges.Clear(); } 28 29 void extract(const lldb_private::DWARFDataExtractor &debug_aranges_data); 30 31 // Use append range multiple times and then call sort 32 void AppendRange(dw_offset_t cu_offset, dw_addr_t low_pc, dw_addr_t high_pc); 33 34 void Sort(bool minimize); 35 36 void Dump(lldb_private::Log *log) const; 37 38 dw_offset_t FindAddress(dw_addr_t address) const; 39 40 bool IsEmpty() const { return m_aranges.IsEmpty(); } 41 size_t GetNumRanges() const { return m_aranges.GetSize(); } 42 43 dw_offset_t OffsetAtIndex(uint32_t idx) const { 44 const Range *range = m_aranges.GetEntryAtIndex(idx); 45 if (range) 46 return range->data; 47 return DW_INVALID_OFFSET; 48 } 49 50 protected: 51 RangeToDIE m_aranges; 52 }; 53 54 #endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGES_H 55