1 //===- DWARFDebugRnglists.h -------------------------------------*- C++ -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #ifndef LLVM_DEBUGINFO_DWARFDEBUGRNGLISTS_H 11 #define LLVM_DEBUGINFO_DWARFDEBUGRNGLISTS_H 12 13 #include "llvm/BinaryFormat/Dwarf.h" 14 #include "llvm/DebugInfo/DIContext.h" 15 #include "llvm/DebugInfo/DWARF/DWARFDataExtractor.h" 16 #include "llvm/DebugInfo/DWARF/DWARFDebugRangeList.h" 17 #include "llvm/DebugInfo/DWARF/DWARFListTable.h" 18 #include <cstdint> 19 #include <map> 20 #include <vector> 21 22 namespace llvm { 23 24 class Error; 25 class raw_ostream; 26 27 /// A class representing a single range list entry. 28 struct RangeListEntry : public DWARFListEntryBase { 29 /// The values making up the range list entry. Most represent a range with 30 /// a start and end address or a start address and a length. Others are 31 /// single value base addresses or end-of-list with no values. The unneeded 32 /// values are semantically undefined, but initialized to 0. 33 uint64_t Value0; 34 uint64_t Value1; 35 36 Error extract(DWARFDataExtractor Data, uint32_t End, uint32_t *OffsetPtr); 37 void dump(raw_ostream &OS, uint8_t AddrSize, uint8_t MaxEncodingStringLength, 38 uint64_t &CurrentBase, DIDumpOptions DumpOpts) const; 39 bool isSentinel() const { return EntryKind == dwarf::DW_RLE_end_of_list; } 40 }; 41 42 /// A class representing a single rangelist. 43 class DWARFDebugRnglist : public DWARFListType<RangeListEntry> { 44 public: 45 /// Build a DWARFAddressRangesVector from a rangelist. 46 DWARFAddressRangesVector 47 getAbsoluteRanges(llvm::Optional<BaseAddress> BaseAddr) const; 48 }; 49 50 class DWARFDebugRnglistTable : public DWARFListTableBase<DWARFDebugRnglist> { 51 public: 52 DWARFDebugRnglistTable() 53 : DWARFListTableBase(/* SectionName = */ ".debug_rnglists", 54 /* HeaderString = */ "ranges:", 55 /* ListTypeString = */ "range") {} 56 }; 57 58 } // end namespace llvm 59 60 #endif // LLVM_DEBUGINFO_DWARFDEBUGRNGLISTS_H 61
