DWARFTypeUnit.cpp revision 360784
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
18using namespace llvm;
19
20void 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}
50