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
dump(raw_ostream & OS,DIDumpOptions DumpOpts)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