1 //===- DWARFGdbIndex.cpp --------------------------------------------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
25 // https://sourceware.org/gdb/onlinedocs/gdb/Index-Section-Format.html
28   OS << format("\n  CU list offset = 0x%x, has %" PRId64 " entries:",  in dumpCUList()
33     OS << format("    %d: Offset = 0x%llx, Length = 0x%llx\n", I++, CU.Offset,  in dumpCUList()
38   OS << formatv("\n  Types CU list offset = {0:x}, has {1} entries:\n",  in dumpTUList()
42     OS << formatv("    {0}: offset = {1:x8}, type_offset = {2:x8}, "  in dumpTUList()
44                   I++, TU.Offset, TU.TypeOffset, TU.TypeSignature);  in dumpTUList()
48   OS << format("\n  Address area offset = 0x%x, has %" PRId64 " entries:",  in dumpAddressArea()
53         "    Low/High address = [0x%llx, 0x%llx) (Size: 0x%llx), CU id = %d\n",  in dumpAddressArea()
54         Addr.LowAddress, Addr.HighAddress, Addr.HighAddress - Addr.LowAddress,  in dumpAddressArea()
59   OS << format("\n  Symbol table offset = 0x%x, size = %" PRId64  in dumpSymbolTable()
63   uint32_t I = -1;  in dumpSymbolTable()
69     OS << format("    %d: Name offset = 0x%x, CU vector offset = 0x%x\n", I,  in dumpSymbolTable()
73         ConstantPoolOffset - StringPoolOffset + E.NameOffset);  in dumpSymbolTable()
81     uint32_t CuVectorId = CuVector - ConstantPoolVectors.begin();  in dumpSymbolTable()
88   OS << format("\n  Constant pool offset = 0x%x, has %" PRId64 " CU vectors:",  in dumpConstantPool()
92     OS << format("\n    %d(0x%x): ", I++, V.first);  in dumpConstantPool()
94       OS << format("0x%x ", Val);  in dumpConstantPool()
116   uint64_t Offset = 0;  in parseImpl()  local
119   Version = Data.getU32(&Offset);  in parseImpl()
123   CuListOffset = Data.getU32(&Offset);  in parseImpl()
124   TuListOffset = Data.getU32(&Offset);  in parseImpl()
125   AddressAreaOffset = Data.getU32(&Offset);  in parseImpl()
126   SymbolTableOffset = Data.getU32(&Offset);  in parseImpl()
127   ConstantPoolOffset = Data.getU32(&Offset);  in parseImpl()
129   if (Offset != CuListOffset)  in parseImpl()
132   uint32_t CuListSize = (TuListOffset - CuListOffset) / 16;  in parseImpl()
135     uint64_t CuOffset = Data.getU64(&Offset);  in parseImpl()
136     uint64_t CuLength = Data.getU64(&Offset);  in parseImpl()
142   uint32_t TuListSize = (AddressAreaOffset - TuListOffset) / 24;  in parseImpl()
145     uint64_t CuOffset = Data.getU64(&Offset);  in parseImpl()
146     uint64_t TypeOffset = Data.getU64(&Offset);  in parseImpl()
147     uint64_t Signature = Data.getU64(&Offset);  in parseImpl()
151   uint32_t AddressAreaSize = (SymbolTableOffset - AddressAreaOffset) / 20;  in parseImpl()
154     uint64_t LowAddress = Data.getU64(&Offset);  in parseImpl()
155     uint64_t HighAddress = Data.getU64(&Offset);  in parseImpl()
156     uint32_t CuIndex = Data.getU32(&Offset);  in parseImpl()
163   // first value is the offset of the symbol's name in the constant pool. The  in parseImpl()
164   // second value is the offset of the CU vector in the constant pool.  in parseImpl()
168   uint32_t SymTableSize = (ConstantPoolOffset - SymbolTableOffset) / 8;  in parseImpl()
172     uint32_t NameOffset = Data.getU32(&Offset);  in parseImpl()
173     uint32_t CuVecOffset = Data.getU32(&Offset);  in parseImpl()
183     Offset = ConstantPoolOffset + CUOffset;  in parseImpl()
186     Vec.first = Offset - ConstantPoolOffset;  in parseImpl()
188     uint32_t Num = Data.getU32(&Offset);  in parseImpl()
190       Vec.second.push_back(Data.getU32(&Offset));  in parseImpl()
193   ConstantPoolStrings = Data.getData().drop_front(Offset);  in parseImpl()
194   StringPoolOffset = Offset;  in parseImpl()