| //===- DWARFDebugRnglists.h -------------------------------------*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_DEBUGINFO_DWARFDEBUGRNGLISTS_H |
| #define LLVM_DEBUGINFO_DWARFDEBUGRNGLISTS_H |
| |
| #include "llvm/ADT/Optional.h" |
| #include "llvm/BinaryFormat/Dwarf.h" |
| #include "llvm/DebugInfo/DIContext.h" |
| #include "llvm/DebugInfo/DWARF/DWARFDataExtractor.h" |
| #include "llvm/DebugInfo/DWARF/DWARFDebugRangeList.h" |
| #include "llvm/DebugInfo/DWARF/DWARFListTable.h" |
| #include <cstdint> |
| #include <map> |
| #include <vector> |
| |
| namespace llvm { |
| |
| class Error; |
| class raw_ostream; |
| class DWARFUnit; |
| |
| /// A class representing a single range list entry. |
| struct RangeListEntry : public DWARFListEntryBase { |
| /// The values making up the range list entry. Most represent a range with |
| /// a start and end address or a start address and a length. Others are |
| /// single value base addresses or end-of-list with no values. The unneeded |
| /// values are semantically undefined, but initialized to 0. |
| uint64_t Value0; |
| uint64_t Value1; |
| |
| Error extract(DWARFDataExtractor Data, uint32_t End, uint32_t *OffsetPtr); |
| void dump(raw_ostream &OS, uint8_t AddrSize, uint8_t MaxEncodingStringLength, |
| uint64_t &CurrentBase, DIDumpOptions DumpOpts, |
| llvm::function_ref<Optional<object::SectionedAddress>(uint32_t)> |
| LookupPooledAddress) const; |
| bool isSentinel() const { return EntryKind == dwarf::DW_RLE_end_of_list; } |
| }; |
| |
| /// A class representing a single rangelist. |
| class DWARFDebugRnglist : public DWARFListType<RangeListEntry> { |
| public: |
| /// Build a DWARFAddressRangesVector from a rangelist. |
| DWARFAddressRangesVector |
| getAbsoluteRanges(llvm::Optional<object::SectionedAddress> BaseAddr, |
| DWARFUnit &U) const; |
| }; |
| |
| class DWARFDebugRnglistTable : public DWARFListTableBase<DWARFDebugRnglist> { |
| public: |
| DWARFDebugRnglistTable() |
| : DWARFListTableBase(/* SectionName = */ ".debug_rnglists", |
| /* HeaderString = */ "ranges:", |
| /* ListTypeString = */ "range") {} |
| }; |
| |
| } // end namespace llvm |
| |
| #endif // LLVM_DEBUGINFO_DWARFDEBUGRNGLISTS_H |