llvm/lib/DebugInfo/DWARF/DWARFCompileUnit.cpp

   1 //===-- DWARFCompileUnit.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/DWARFCompileUnit.h"
  10 #include "llvm/DebugInfo/DWARF/DWARFDebugAbbrev.h"
  11 #include "llvm/DebugInfo/DWARF/DWARFDie.h"
  12 #include "llvm/Support/Format.h"
  13 #include "llvm/Support/raw_ostream.h"
  14
  15 using namespace llvm;
  16
  17 void DWARFCompileUnit::dump(raw_ostream &OS, DIDumpOptions DumpOpts) {
  18   int OffsetDumpWidth = 2 * dwarf::getDwarfOffsetByteSize(getFormat());
  19   OS << format("0x%08" PRIx64, getOffset()) << ": Compile Unit:"
  20      << " length = " << format("0x%0*" PRIx64, OffsetDumpWidth, getLength())
  21      << ", format = " << dwarf::FormatString(getFormat())
  22      << ", version = " << format("0x%04x", getVersion());
  23   if (getVersion() >= 5)
  24     OS << ", unit_type = " << dwarf::UnitTypeString(getUnitType());
  25   OS << ", abbr_offset = " << format("0x%04" PRIx64, getAbbrOffset());
  26   if (!getAbbreviations())
  27     OS << " (invalid)";
  28   OS << ", addr_size = " << format("0x%02x", getAddressByteSize());
  29   if (getVersion() >= 5 && (getUnitType() == dwarf::DW_UT_skeleton ||
  30                             getUnitType() == dwarf::DW_UT_split_compile))
  31     OS << ", DWO_id = " << format("0x%016" PRIx64, *getDWOId());
  32   OS << " (next unit at " << format("0x%08" PRIx64, getNextUnitOffset())
  33      << ")\n";
  34
  35   if (DWARFDie CUDie = getUnitDIE(false))
  36     CUDie.dump(OS, 0, DumpOpts);
  37   else
  38     OS << "<compile unit can't be parsed!>\n\n";
  39 }
  40
  41 // VTable anchor.
  42 DWARFCompileUnit::~DWARFCompileUnit() = default;