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