1 //===- DWARFTypeUnit.cpp --------------------------------------------------===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "llvm/DebugInfo/DWARF/DWARFTypeUnit.h" 10 #include "llvm/DebugInfo/DIContext.h" 11 #include "llvm/DebugInfo/DWARF/DWARFDie.h" 12 #include "llvm/Support/Format.h" 13 #include "llvm/Support/raw_ostream.h" 14 #include <cinttypes> 15 16 using namespace llvm; 17 18 void DWARFTypeUnit::dump(raw_ostream &OS, DIDumpOptions DumpOpts) { 19 DWARFDie TD = getDIEForOffset(getTypeOffset() + getOffset()); 20 const char *Name = TD.getName(DINameKind::ShortName); 21 int OffsetDumpWidth = 2 * dwarf::getDwarfOffsetByteSize(getFormat()); 22 23 if (DumpOpts.SummarizeTypes) { 24 OS << "name = '" << Name << "'" 25 << ", type_signature = " << format("0x%016" PRIx64, getTypeHash()) 26 << ", length = " << format("0x%0*" PRIx64, OffsetDumpWidth, getLength()) 27 << '\n'; 28 return; 29 } 30 31 OS << format("0x%08" PRIx64, getOffset()) << ": Type Unit:" 32 << " length = " << format("0x%0*" PRIx64, OffsetDumpWidth, getLength()) 33 << ", format = " << dwarf::FormatString(getFormat()) 34 << ", version = " << format("0x%04x", getVersion()); 35 if (getVersion() >= 5) 36 OS << ", unit_type = " << dwarf::UnitTypeString(getUnitType()); 37 OS << ", abbr_offset = " << format("0x%04" PRIx64, getAbbrOffset()); 38 if (!getAbbreviations()) 39 OS << " (invalid)"; 40 OS << ", addr_size = " << format("0x%02x", getAddressByteSize()) 41 << ", name = '" << Name << "'" 42 << ", type_signature = " << format("0x%016" PRIx64, getTypeHash()) 43 << ", type_offset = " << format("0x%04" PRIx64, getTypeOffset()) 44 << " (next unit at " << format("0x%08" PRIx64, getNextUnitOffset()) 45 << ")\n"; 46 47 if (DWARFDie TU = getUnitDIE(false)) 48 TU.dump(OS, 0, DumpOpts); 49 else 50 OS << "<type unit can't be parsed!>\n\n"; 51 } 52