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 Clear()27 void Clear() { m_aranges.Clear(); } 28 29 llvm::Error 30 extract(const lldb_private::DWARFDataExtractor &debug_aranges_data); 31 32 // Use append range multiple times and then call sort 33 void AppendRange(dw_offset_t cu_offset, dw_addr_t low_pc, dw_addr_t high_pc); 34 35 void Sort(bool minimize); 36 37 void Dump(lldb_private::Log *log) const; 38 39 dw_offset_t FindAddress(dw_addr_t address) const; 40 IsEmpty()41 bool IsEmpty() const { return m_aranges.IsEmpty(); } GetNumRanges()42 size_t GetNumRanges() const { return m_aranges.GetSize(); } 43 OffsetAtIndex(uint32_t idx)44 dw_offset_t OffsetAtIndex(uint32_t idx) const { 45 const Range *range = m_aranges.GetEntryAtIndex(idx); 46 if (range) 47 return range->data; 48 return DW_INVALID_OFFSET; 49 } 50 51 protected: 52 RangeToDIE m_aranges; 53 }; 54 55 #endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGARANGES_H 56