C++ (Cpp) DWARFDebugRangeList::getAbsoluteRanges Examples

Example #1

File: DWARFDie.cpp Project: franchiotta/llvm

DWARFAddressRangesVector DWARFDie::getAddressRanges() const {
  if (isNULL())
    return DWARFAddressRangesVector();
  // Single range specified by low/high PC.
  uint64_t LowPC, HighPC, Index;
  if (getLowAndHighPC(LowPC, HighPC, Index))
    return {{LowPC, HighPC, Index}};

  // Multiple ranges from .debug_ranges section.
  auto RangesOffset = toSectionOffset(find(DW_AT_ranges));
  if (RangesOffset) {
    DWARFDebugRangeList RangeList;
    if (U->extractRangeList(*RangesOffset, RangeList))
      return RangeList.getAbsoluteRanges(U->getBaseAddress());
  }
  return DWARFAddressRangesVector();
}

Example #2

File: DWARFDebugInfoEntry.cpp Project: Fairly/opencor

DWARFAddressRangesVector
DWARFDebugInfoEntryMinimal::getAddressRanges(const DWARFUnit *U) const {
  if (isNULL())
    return DWARFAddressRangesVector();
  // Single range specified by low/high PC.
  uint64_t LowPC, HighPC;
  if (getLowAndHighPC(U, LowPC, HighPC)) {
    return DWARFAddressRangesVector(1, std::make_pair(LowPC, HighPC));
  }
  // Multiple ranges from .debug_ranges section.
  uint32_t RangesOffset =
      getAttributeValueAsSectionOffset(U, DW_AT_ranges, -1U);
  if (RangesOffset != -1U) {
    DWARFDebugRangeList RangeList;
    if (U->extractRangeList(RangesOffset, RangeList))
      return RangeList.getAbsoluteRanges(U->getBaseAddress());
  }
  return DWARFAddressRangesVector();
}

Example #3

File: DWARFUnit.cpp Project: Lucretia/llvm

Expected<DWARFAddressRangesVector>
DWARFUnit::findRnglistFromOffset(uint32_t Offset) {
  if (getVersion() <= 4) {
    DWARFDebugRangeList RangeList;
    if (Error E = extractRangeList(Offset, RangeList))
      return std::move(E);
    return RangeList.getAbsoluteRanges(getBaseAddress());
  }
  if (RngListTable) {
    DWARFDataExtractor RangesData(Context.getDWARFObj(), *RangeSection,
                                  isLittleEndian, RngListTable->getAddrSize());
    auto RangeListOrError = RngListTable->findList(RangesData, Offset);
    if (RangeListOrError)
      return RangeListOrError.get().getAbsoluteRanges(getBaseAddress());
    return RangeListOrError.takeError();
  }

  return createStringError(errc::invalid_argument,
                           "missing or invalid range list table");
}