| //===-- DWARFContext.cpp --------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "DWARFContext.h" |
| #include "llvm/Support/raw_ostream.h" |
| using namespace llvm; |
| |
| void DWARFContext::dump(raw_ostream &OS) { |
| OS << ".debug_abbrev contents:\n"; |
| getDebugAbbrev()->dump(OS); |
| |
| OS << "\n.debug_info contents:\n"; |
| for (unsigned i = 0, e = getNumCompileUnits(); i != e; ++i) |
| getCompileUnitAtIndex(i)->dump(OS); |
| |
| OS << "\n.debug_aranges contents:\n"; |
| DataExtractor arangesData(getARangeSection(), isLittleEndian(), 0); |
| uint32_t offset = 0; |
| DWARFDebugArangeSet set; |
| while (set.extract(arangesData, &offset)) |
| set.dump(OS); |
| } |
| |
| const DWARFDebugAbbrev *DWARFContext::getDebugAbbrev() { |
| if (Abbrev) |
| return Abbrev.get(); |
| |
| DataExtractor abbrData(getAbbrevSection(), isLittleEndian(), 0); |
| |
| Abbrev.reset(new DWARFDebugAbbrev()); |
| Abbrev->parse(abbrData); |
| return Abbrev.get(); |
| } |
| |
| const DWARFDebugAranges *DWARFContext::getDebugAranges() { |
| if (Aranges) |
| return Aranges.get(); |
| |
| DataExtractor arangesData(getARangeSection(), isLittleEndian(), 0); |
| |
| Aranges.reset(new DWARFDebugAranges()); |
| Aranges->extract(arangesData); |
| return Aranges.get(); |
| } |
| |
| void DWARFContext::parseCompileUnits() { |
| uint32_t offset = 0; |
| const DataExtractor &debug_info_data = DataExtractor(getInfoSection(), |
| isLittleEndian(), 0); |
| while (debug_info_data.isValidOffset(offset)) { |
| CUs.push_back(DWARFCompileUnit(*this)); |
| if (!CUs.back().extract(debug_info_data, &offset)) { |
| CUs.pop_back(); |
| break; |
| } |
| |
| offset = CUs.back().getNextCompileUnitOffset(); |
| } |
| } |