LLVM  3.7.0
DWARFTypeUnit.cpp
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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 
11 #include "llvm/Support/Format.h"
13 
14 using namespace llvm;
15 
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 
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 }
uint32_t getNextUnitOffset() const
Definition: DWARFUnit.h:185
const DWARFAbbreviationDeclarationSet * getAbbreviations() const
Definition: DWARFUnit.h:188
uint32_t getLength() const
Definition: DWARFUnit.h:186
uint32_t getU32(uint32_t *offset_ptr) const
Extract a uint32_t value from *offset_ptr.
uint16_t getVersion() const
Definition: DWARFUnit.h:187
format_object< Ts...> format(const char *Fmt, const Ts &...Vals)
These are helper functions used to produce formatted output.
Definition: Format.h:111
bool extractImpl(DataExtractor debug_info, uint32_t *offset_ptr) override
void dump(raw_ostream &OS)
DWARFDebugInfoEntryMinimal - A DIE with only the minimum required data.
uint64_t getU64(uint32_t *offset_ptr) const
Extract a uint64_t value from *offset_ptr.
virtual bool extractImpl(DataExtractor debug_info, uint32_t *offset_ptr)
Definition: DWARFUnit.cpp:68
uint32_t getOffset() const
Definition: DWARFUnit.h:184
uint8_t getAddressByteSize() const
Definition: DWARFUnit.h:191
This class implements an extremely fast bulk output stream that can only output to a stream...
Definition: raw_ostream.h:38
const DWARFDebugInfoEntryMinimal * getUnitDIE(bool ExtractUnitDIEOnly=true)
Definition: DWARFUnit.h:198