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/DWARFDebugAbbrev.h" 12 #include "llvm/DebugInfo/DWARF/DWARFDie.h" 13 #include "llvm/DebugInfo/DWARF/DWARFUnit.h" 14 #include "llvm/Support/Format.h" 15 #include "llvm/Support/raw_ostream.h" 16 #include <cinttypes> 17 18 using namespace llvm; 19 20 void DWARFTypeUnit::dump(raw_ostream &OS, DIDumpOptions DumpOpts) { 21 DWARFDie TD = getDIEForOffset(getTypeOffset() + getOffset()); 22 const char *Name = TD.getName(DINameKind::ShortName); 23 int OffsetDumpWidth = 2 * dwarf::getDwarfOffsetByteSize(getFormat()); 24 25 if (DumpOpts.SummarizeTypes) { 26 OS << "name = '" << Name << "'" 27 << ", type_signature = " << format("0x%016" PRIx64, getTypeHash()) 28 << ", length = " << format("0x%0*" PRIx64, OffsetDumpWidth, getLength()) 29 << '\n'; 30 return; 31 } 32 33 OS << format("0x%08" PRIx64, getOffset()) << ": Type Unit:" 34 << " length = " << format("0x%0*" PRIx64, OffsetDumpWidth, getLength()) 35 << ", format = " << dwarf::FormatString(getFormat()) 36 << ", version = " << format("0x%04x", getVersion()); 37 if (getVersion() >= 5) 38 OS << ", unit_type = " << dwarf::UnitTypeString(getUnitType()); 39 OS << ", abbr_offset = " << format("0x%04" PRIx64, getAbbrOffset()); 40 if (!getAbbreviations()) 41 OS << " (invalid)"; 42 OS << ", addr_size = " << format("0x%02x", getAddressByteSize()) 43 << ", name = '" << Name << "'" 44 << ", type_signature = " << format("0x%016" PRIx64, getTypeHash()) 45 << ", type_offset = " << format("0x%04" PRIx64, getTypeOffset()) 46 << " (next unit at " << format("0x%08" PRIx64, getNextUnitOffset()) 47 << ")\n"; 48 49 if (DWARFDie TU = getUnitDIE(false)) 50 TU.dump(OS, 0, DumpOpts); 51 else 52 OS << "<type unit can't be parsed!>\n\n"; 53 } 54