| //===-- 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 liblldb_DWARFDebugRanges_h_ |
| #define liblldb_DWARFDebugRanges_h_ |
| |
| #include "SymbolFileDWARF.h" |
| #include <map> |
| #include <vector> |
| |
| |
| class DWARFDebugRanges |
| { |
| public: |
| |
| //------------------------------------------------------------------ |
| // Address range |
| //------------------------------------------------------------------ |
| struct Range |
| { |
| Range(dw_addr_t begin = DW_INVALID_ADDRESS, dw_addr_t end = DW_INVALID_ADDRESS) : |
| begin_offset(begin), |
| end_offset(end) |
| { |
| } |
| |
| void Clear() |
| { |
| begin_offset = DW_INVALID_ADDRESS; |
| end_offset = DW_INVALID_ADDRESS; |
| } |
| |
| dw_addr_t begin_offset; |
| dw_addr_t end_offset; |
| |
| typedef std::vector<Range> collection; |
| typedef collection::iterator iterator; |
| typedef collection::const_iterator const_iterator; |
| |
| }; |
| |
| //------------------------------------------------------------------ |
| // Collection of ranges |
| //------------------------------------------------------------------ |
| struct RangeList |
| { |
| RangeList() : |
| ranges() |
| { |
| } |
| |
| bool Extract(SymbolFileDWARF* dwarf2Data, uint32_t* offset_ptr); |
| bool AddRange(dw_addr_t lo_addr, dw_addr_t hi_addr); |
| void Clear() |
| { |
| ranges.clear(); |
| } |
| |
| dw_addr_t LowestAddress(const dw_addr_t base_addr) const; |
| dw_addr_t HighestAddress(const dw_addr_t base_addr) const; |
| void AddOffset(dw_addr_t offset); |
| void SubtractOffset(dw_addr_t offset); |
| size_t Size() const; |
| const Range* RangeAtIndex(size_t i) const; |
| const Range* Lookup(dw_addr_t offset) const; |
| Range::collection ranges; |
| }; |
| |
| DWARFDebugRanges(); |
| ~DWARFDebugRanges(); |
| void Extract(SymbolFileDWARF* dwarf2Data); |
| static void Dump(lldb_private::Stream *s, const lldb_private::DataExtractor& debug_ranges_data, uint32_t* offset_ptr, dw_addr_t cu_base_addr); |
| bool FindRanges(dw_offset_t debug_ranges_offset, DWARFDebugRanges::RangeList& range_list) const; |
| |
| protected: |
| typedef std::map<dw_offset_t, RangeList> range_map; |
| typedef range_map::iterator range_map_iterator; |
| typedef range_map::const_iterator range_map_const_iterator; |
| range_map m_range_map; |
| }; |
| |
| |
| #endif // liblldb_DWARFDebugRanges_h_ |