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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- DWARFGdbIndex.h ------------------------------------------*- C++ -*-===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |||
| 9 | #ifndef LLVM_DEBUGINFO_DWARF_DWARFGDBINDEX_H |
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| 10 | #define LLVM_DEBUGINFO_DWARF_DWARFGDBINDEX_H |
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| 11 | |||
| 12 | #include "llvm/ADT/SmallVector.h" |
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| 13 | #include "llvm/ADT/StringRef.h" |
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| 14 | #include <cstdint> |
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| 15 | #include <utility> |
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| 16 | |||
| 17 | namespace llvm { |
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| 18 | |||
| 19 | class raw_ostream; |
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| 20 | class DataExtractor; |
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| 21 | |||
| 22 | class DWARFGdbIndex { |
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| 23 | uint32_t Version; |
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| 24 | |||
| 25 | uint32_t CuListOffset; |
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| 26 | uint32_t TuListOffset; |
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| 27 | uint32_t AddressAreaOffset; |
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| 28 | uint32_t SymbolTableOffset; |
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| 29 | uint32_t ConstantPoolOffset; |
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| 30 | |||
| 31 | struct CompUnitEntry { |
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| 32 | uint64_t Offset; /// Offset of a CU in the .debug_info section. |
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| 33 | uint64_t Length; /// Length of that CU. |
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| 34 | }; |
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| 35 | SmallVector<CompUnitEntry, 0> CuList; |
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| 36 | |||
| 37 | struct TypeUnitEntry { |
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| 38 | uint64_t Offset; |
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| 39 | uint64_t TypeOffset; |
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| 40 | uint64_t TypeSignature; |
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| 41 | }; |
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| 42 | SmallVector<TypeUnitEntry, 0> TuList; |
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| 43 | |||
| 44 | struct AddressEntry { |
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| 45 | uint64_t LowAddress; /// The low address. |
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| 46 | uint64_t HighAddress; /// The high address. |
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| 47 | uint32_t CuIndex; /// The CU index. |
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| 48 | }; |
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| 49 | SmallVector<AddressEntry, 0> AddressArea; |
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| 50 | |||
| 51 | struct SymTableEntry { |
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| 52 | uint32_t NameOffset; /// Offset of the symbol's name in the constant pool. |
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| 53 | uint32_t VecOffset; /// Offset of the CU vector in the constant pool. |
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| 54 | }; |
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| 55 | SmallVector<SymTableEntry, 0> SymbolTable; |
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| 56 | |||
| 57 | /// Each value is CU index + attributes. |
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| 58 | SmallVector<std::pair<uint32_t, SmallVector<uint32_t, 0>>, 0> |
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| 59 | ConstantPoolVectors; |
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| 60 | |||
| 61 | StringRef ConstantPoolStrings; |
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| 62 | uint32_t StringPoolOffset; |
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| 63 | |||
| 64 | void dumpCUList(raw_ostream &OS) const; |
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| 65 | void dumpTUList(raw_ostream &OS) const; |
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| 66 | void dumpAddressArea(raw_ostream &OS) const; |
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| 67 | void dumpSymbolTable(raw_ostream &OS) const; |
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| 68 | void dumpConstantPool(raw_ostream &OS) const; |
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| 69 | |||
| 70 | bool parseImpl(DataExtractor Data); |
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| 71 | |||
| 72 | public: |
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| 73 | void dump(raw_ostream &OS); |
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| 74 | void parse(DataExtractor Data); |
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| 75 | |||
| 76 | bool HasContent = false; |
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| 77 | bool HasError = false; |
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| 78 | }; |
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| 79 | |||
| 80 | } // end namespace llvm |
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| 81 | |||
| 82 | #endif // LLVM_DEBUGINFO_DWARF_DWARFGDBINDEX_H |