1 //===- DWARFDebugArangeSet.cpp --------------------------------------------===//
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
7 //===----------------------------------------------------------------------===//
26   DWARFFormValue::dumpAddress(OS, AddressSize, Address);  in dump()
33   Offset = -1ULL;  in clear()
38 Error DWARFDebugArangeSet::extract(DWARFDataExtractor data,  in extract()  argument
41   assert(data.isValidOffset(*offset_ptr));  in extract()
45   // 7.21 Address Range Table (extract)  in extract()
46   // Each set of entries in the table of address ranges contained in  in extract()
49   //    A 4-byte (32-bit DWARF) or 12-byte (64-bit DWARF) length containing  in extract()
55   //    A 4-byte (32-bit DWARF) or 8-byte (64-bit DWARF) offset into the  in extract()
60   // a segment, an address and a length. The segment selector size is given by  in extract()
61   // the segment_selector_size field of the header; the address and length  in extract()
63   // tuples is terminated by a 0 for the segment, a 0 for the address and 0  in extract()
70       data.getInitialLength(offset_ptr, &Err);  in extract()
71   HeaderData.Version = data.getU16(offset_ptr, &Err);  in extract()
72   HeaderData.CuOffset = data.getUnsigned(  in extract()
74   HeaderData.AddrSize = data.getU8(offset_ptr, &Err);  in extract()
75   HeaderData.SegSize = data.getU8(offset_ptr, &Err);  in extract()
78                              "parsing address ranges table at offset 0x%" PRIx64  in extract()
86   if (!data.isValidOffsetForDataOfSize(Offset, full_length))  in extract()
88                              "the length of address range table at offset "  in extract()
93           "address range table at offset 0x%" PRIx64, Offset))  in extract()
97                              "non-zero segment selector size in address range "  in extract()
103   // an address because we do not support non-zero segment selector sizes).  in extract()
109         "address range table at offset 0x%" PRIx64  in extract()
114   const uint32_t header_size = *offset_ptr - Offset;  in extract()
123         "address range table at offset 0x%" PRIx64  in extract()
131   static_assert(sizeof(arangeDescriptor.Address) ==  in extract()
134   assert(sizeof(arangeDescriptor.Address) >= HeaderData.AddrSize);  in extract()
139     arangeDescriptor.Address = data.getUnsigned(offset_ptr, HeaderData.AddrSize);  in extract()
140     arangeDescriptor.Length = data.getUnsigned(offset_ptr, HeaderData.AddrSize);  in extract()
142     // Each set of tuples is terminated by a 0 for the address and 0  in extract()
144     if (arangeDescriptor.Length == 0 && arangeDescriptor.Address == 0) {  in extract()
149           "address range table at offset 0x%" PRIx64  in extract()
158                            "address range table at offset 0x%" PRIx64  in extract()
165   OS << "Address Range Header: "  in dump()