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      1 //===-- DWARFTypeUnit.cpp -------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is distributed under the University of Illinois Open Source
      6 // License. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 #include "llvm/DebugInfo/DWARF/DWARFTypeUnit.h"
     11 #include "llvm/Support/Format.h"
     12 #include "llvm/Support/raw_ostream.h"
     13 
     14 using namespace llvm;
     15 
     16 bool DWARFTypeUnit::extractImpl(DataExtractor debug_info,
     17                                 uint32_t *offset_ptr) {
     18   if (!DWARFUnit::extractImpl(debug_info, offset_ptr))
     19     return false;
     20   TypeHash = debug_info.getU64(offset_ptr);
     21   TypeOffset = debug_info.getU32(offset_ptr);
     22   return TypeOffset < getLength();
     23 }
     24 
     25 void DWARFTypeUnit::dump(raw_ostream &OS) {
     26   OS << format("0x%08x", getOffset()) << ": Type Unit:"
     27      << " length = " << format("0x%08x", getLength())
     28      << " version = " << format("0x%04x", getVersion())
     29      << " abbr_offset = " << format("0x%04x", getAbbreviations()->getOffset())
     30      << " addr_size = " << format("0x%02x", getAddressByteSize())
     31      << " type_signature = " << format("0x%16" PRIx64, TypeHash)
     32      << " type_offset = " << format("0x%04x", TypeOffset)
     33      << " (next unit at " << format("0x%08x", getNextUnitOffset())
     34      << ")\n";
     35 
     36   if (const DWARFDebugInfoEntryMinimal *TU = getUnitDIE(false))
     37     TU->dump(OS, this, -1U);
     38   else
     39     OS << "<type unit can't be parsed!>\n\n";
     40 }
     41