lib/DebugInfo/DWARF/DWARFTypeUnit.cpp

   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
  24   if (DumpOpts.SummarizeTypes) {
  25     OS << "name = '" << Name << "'"
  26        << " type_signature = " << format("0x%016" PRIx64, getTypeHash())
  27        << " length = " << format("0x%08" PRIx64, getLength()) << '\n';
  28     return;
  29   }
  30
  31   OS << format("0x%08" PRIx64, getOffset()) << ": Type Unit:"
  32      << " length = " << format("0x%08" PRIx64, getLength())
  33      << " version = " << format("0x%04x", getVersion());
  34   if (getVersion() >= 5)
  35     OS << " unit_type = " << dwarf::UnitTypeString(getUnitType());
  36   OS << " abbr_offset = "
  37      << format("0x%04" PRIx64, getAbbreviations()->getOffset())
  38      << " addr_size = " << format("0x%02x", getAddressByteSize())
  39      << " name = '" << Name << "'"
  40      << " type_signature = " << format("0x%016" PRIx64, getTypeHash())
  41      << " type_offset = " << format("0x%04" PRIx64, getTypeOffset())
  42      << " (next unit at " << format("0x%08" PRIx64, getNextUnitOffset())
  43      << ")\n";
  44
  45   if (DWARFDie TU = getUnitDIE(false))
  46     TU.dump(OS, 0, DumpOpts);
  47   else
  48     OS << "<type unit can't be parsed!>\n\n";
  49 }