1 //===- DWARFDebugAddr.cpp -------------------------------------------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
16 Error DWARFDebugAddrTable::extractAddresses(const DWARFDataExtractor &Data,  in extractAddresses()  argument
20   uint64_t DataSize = EndOffset - *OffsetPtr;  in extractAddresses()
21   assert(Data.isValidOffsetForDataOfSize(*OffsetPtr, DataSize));  in extractAddresses()
23           AddrSize, errc::not_supported, "address table at offset 0x%" PRIx64,  in extractAddresses()
29                              "address table at offset 0x%" PRIx64  in extractAddresses()
30                              " contains data of size 0x%" PRIx64  in extractAddresses()
37   while (Count--)  in extractAddresses()
38     Addrs.push_back(Data.getRelocatedValue(AddrSize, OffsetPtr));  in extractAddresses()
42 Error DWARFDebugAddrTable::extractV5(const DWARFDataExtractor &Data,  in extractV5()  argument
47   std::tie(Length, Format) = Data.getInitialLength(OffsetPtr, &Err);  in extractV5()
51                              "parsing address table at offset 0x%" PRIx64  in extractV5()
56   if (!Data.isValidOffsetForDataOfSize(*OffsetPtr, Length)) {  in extractV5()
61         "section is not large enough to contain an address table "  in extractV5()
72         "address table at offset 0x%" PRIx64  in extractV5()
78   Version = Data.getU16(OffsetPtr);  in extractV5()
79   AddrSize = Data.getU8(OffsetPtr);  in extractV5()
80   SegSize = Data.getU8(OffsetPtr);  in extractV5()
85                              "address table at offset 0x%" PRIx64  in extractV5()
88   // TODO: add support for non-zero segment selector size.  in extractV5()
91                              "address table at offset 0x%" PRIx64  in extractV5()
95   if (Error Err = extractAddresses(Data, OffsetPtr, EndOffset))  in extractV5()
100         "address table at offset 0x%" PRIx64 " has address size %" PRIu8  in extractV5()
101         " which is different from CU address size %" PRIu8,  in extractV5()
107 Error DWARFDebugAddrTable::extractPreStandard(const DWARFDataExtractor &Data,  in extractPreStandard()  argument
119   return extractAddresses(Data, OffsetPtr, Data.size());  in extractPreStandard()
122 Error DWARFDebugAddrTable::extract(const DWARFDataExtractor &Data,  in extract()  argument
128     return extractPreStandard(Data, OffsetPtr, CUVersion, CUAddrSize);  in extract()
133   return extractV5(Data, OffsetPtr, CUAddrSize, WarnCallback);  in extract()
141     OS << "Address table header: "  in dump()
162       llvm_unreachable("unsupported address size");  in dump()
176                            "address table at offset 0x%" PRIx64,  in getAddrEntry()