예제 #1
0
DWARFDebugAranges &
DWARFDebugInfo::GetCompileUnitAranges ()
{
    if (m_cu_aranges_ap.get() == NULL && m_dwarf2Data)
    {
        Log *log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_ARANGES));

        m_cu_aranges_ap.reset (new DWARFDebugAranges());
        const DWARFDataExtractor &debug_aranges_data = m_dwarf2Data->get_debug_aranges_data();
        if (debug_aranges_data.GetByteSize() > 0)
        {
            if (log)
                log->Printf ("DWARFDebugInfo::GetCompileUnitAranges() for \"%s\" from .debug_aranges",
                             m_dwarf2Data->GetObjectFile()->GetFileSpec().GetPath().c_str());
            m_cu_aranges_ap->Extract (debug_aranges_data);
            
        }

        // Make a list of all CUs represented by the arange data in the file.
        std::set<dw_offset_t> cus_with_data;
        for (size_t n=0;n<m_cu_aranges_ap.get()->GetNumRanges();n++)
        {
            dw_offset_t offset = m_cu_aranges_ap.get()->OffsetAtIndex(n);
            if (offset != DW_INVALID_OFFSET)
                cus_with_data.insert (offset);
        }

        // Manually build arange data for everything that wasn't in the .debug_aranges table.
        bool printed = false;
        const size_t num_compile_units = GetNumCompileUnits();
        const bool clear_dies_if_already_not_parsed = true;
        for (size_t idx = 0; idx < num_compile_units; ++idx)
        {
            DWARFCompileUnit* cu = GetCompileUnitAtIndex(idx);

            dw_offset_t offset = cu->GetOffset();
            if (cus_with_data.find(offset) == cus_with_data.end())
            {
                if (log)
                {
                    if (!printed)
                        log->Printf ("DWARFDebugInfo::GetCompileUnitAranges() for \"%s\" by parsing",
                                     m_dwarf2Data->GetObjectFile()->GetFileSpec().GetPath().c_str());
                    printed = true;
                }
                cu->BuildAddressRangeTable (m_dwarf2Data, m_cu_aranges_ap.get(), clear_dies_if_already_not_parsed);
            }
        }

        const bool minimize = true;
        m_cu_aranges_ap->Sort (minimize);
    }
    return *m_cu_aranges_ap.get();
}
예제 #2
0
//----------------------------------------------------------------------
// Generate
//----------------------------------------------------------------------
bool DWARFDebugAranges::Generate(SymbolFileDWARF *dwarf2Data) {
  Clear();
  DWARFDebugInfo *debug_info = dwarf2Data->DebugInfo();
  if (debug_info) {
    uint32_t cu_idx = 0;
    const uint32_t num_compile_units = dwarf2Data->GetNumCompileUnits();
    for (cu_idx = 0; cu_idx < num_compile_units; ++cu_idx) {
      DWARFCompileUnit *cu = debug_info->GetCompileUnitAtIndex(cu_idx);
      if (cu)
        cu->BuildAddressRangeTable(dwarf2Data, this);
    }
  }
  return !IsEmpty();
}
예제 #3
0
DWARFDebugAranges &
DWARFDebugInfo::GetCompileUnitAranges ()
{
    if (m_cu_aranges_ap.get() == NULL && m_dwarf2Data)
    {
        LogSP log (LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_ARANGES));

        m_cu_aranges_ap.reset (new DWARFDebugAranges());
        const DataExtractor &debug_aranges_data = m_dwarf2Data->get_debug_aranges_data();
        if (debug_aranges_data.GetByteSize() > 0)
        {
            if (log)
                log->Printf ("DWARFDebugInfo::GetCompileUnitAranges() for \"%s/%s\" from .debug_aranges", 
                             m_dwarf2Data->GetObjectFile()->GetFileSpec().GetDirectory().GetCString(),
                             m_dwarf2Data->GetObjectFile()->GetFileSpec().GetFilename().GetCString());
            m_cu_aranges_ap->Extract (debug_aranges_data);
            
        }
        else
        {
            if (log)
                log->Printf ("DWARFDebugInfo::GetCompileUnitAranges() for \"%s/%s\" by parsing", 
                             m_dwarf2Data->GetObjectFile()->GetFileSpec().GetDirectory().GetCString(),
                             m_dwarf2Data->GetObjectFile()->GetFileSpec().GetFilename().GetCString());
            const uint32_t num_compile_units = GetNumCompileUnits();
            uint32_t idx;
            const bool clear_dies_if_already_not_parsed = true;
            for (idx = 0; idx < num_compile_units; ++idx)
            {
                DWARFCompileUnit* cu = GetCompileUnitAtIndex(idx);
                if (cu)
                    cu->BuildAddressRangeTable (m_dwarf2Data, m_cu_aranges_ap.get(), clear_dies_if_already_not_parsed);
            }
        }

        const bool minimize = true;
        m_cu_aranges_ap->Sort (minimize);
    }
    return *m_cu_aranges_ap.get();
}