| //===-- DWARFCompileUnit.cpp ------------------------------------*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "DWARFCompileUnit.h" |
| |
| #include "lldb/Core/DumpDataExtractor.h" |
| #include "lldb/Core/Mangled.h" |
| #include "lldb/Core/Module.h" |
| #include "lldb/Host/StringConvert.h" |
| #include "lldb/Symbol/CompileUnit.h" |
| #include "lldb/Symbol/LineTable.h" |
| #include "lldb/Symbol/ObjectFile.h" |
| #include "lldb/Utility/Stream.h" |
| #include "lldb/Utility/StreamString.h" |
| #include "lldb/Utility/Timer.h" |
| |
| #include "DWARFDIECollection.h" |
| #include "DWARFDebugAbbrev.h" |
| #include "DWARFDebugAranges.h" |
| #include "DWARFDebugInfo.h" |
| #include "DWARFFormValue.h" |
| #include "LogChannelDWARF.h" |
| #include "NameToDIE.h" |
| #include "SymbolFileDWARF.h" |
| #include "SymbolFileDWARFDebugMap.h" |
| #include "SymbolFileDWARFDwo.h" |
| |
| using namespace lldb; |
| using namespace lldb_private; |
| using namespace std; |
| |
| extern int g_verbose; |
| |
| DWARFCompileUnit::DWARFCompileUnit(SymbolFileDWARF *dwarf2Data) |
| : m_dwarf2Data(dwarf2Data) {} |
| |
| DWARFUnitSP DWARFCompileUnit::Extract(SymbolFileDWARF *dwarf2Data, |
| lldb::offset_t *offset_ptr) { |
| // std::make_shared would require the ctor to be public. |
| std::shared_ptr<DWARFCompileUnit> cu_sp(new DWARFCompileUnit(dwarf2Data)); |
| // Out of memory? |
| if (cu_sp.get() == NULL) |
| return nullptr; |
| |
| const DWARFDataExtractor &debug_info = dwarf2Data->get_debug_info_data(); |
| |
| cu_sp->m_offset = *offset_ptr; |
| |
| if (debug_info.ValidOffset(*offset_ptr)) { |
| dw_offset_t abbr_offset; |
| const DWARFDebugAbbrev *abbr = dwarf2Data->DebugAbbrev(); |
| cu_sp->m_length = debug_info.GetDWARFInitialLength(offset_ptr); |
| cu_sp->m_is_dwarf64 = debug_info.IsDWARF64(); |
| cu_sp->m_version = debug_info.GetU16(offset_ptr); |
| abbr_offset = debug_info.GetDWARFOffset(offset_ptr); |
| cu_sp->m_addr_size = debug_info.GetU8(offset_ptr); |
| |
| bool length_OK = |
| debug_info.ValidOffset(cu_sp->GetNextCompileUnitOffset() - 1); |
| bool version_OK = SymbolFileDWARF::SupportedVersion(cu_sp->m_version); |
| bool abbr_offset_OK = |
| dwarf2Data->get_debug_abbrev_data().ValidOffset(abbr_offset); |
| bool addr_size_OK = (cu_sp->m_addr_size == 4) || (cu_sp->m_addr_size == 8); |
| |
| if (length_OK && version_OK && addr_size_OK && abbr_offset_OK && |
| abbr != NULL) { |
| cu_sp->m_abbrevs = abbr->GetAbbreviationDeclarationSet(abbr_offset); |
| return cu_sp; |
| } |
| |
| // reset the offset to where we tried to parse from if anything went wrong |
| *offset_ptr = cu_sp->m_offset; |
| } |
| |
| return nullptr; |
| } |
| |
| void DWARFCompileUnit::ClearDIEs(bool keep_compile_unit_die) { |
| if (m_die_array.size() > 1) { |
| // std::vectors never get any smaller when resized to a smaller size, |
| // or when clear() or erase() are called, the size will report that it |
| // is smaller, but the memory allocated remains intact (call capacity() |
| // to see this). So we need to create a temporary vector and swap the |
| // contents which will cause just the internal pointers to be swapped |
| // so that when "tmp_array" goes out of scope, it will destroy the |
| // contents. |
| |
| // Save at least the compile unit DIE |
| DWARFDebugInfoEntry::collection tmp_array; |
| m_die_array.swap(tmp_array); |
| if (keep_compile_unit_die) |
| m_die_array.push_back(tmp_array.front()); |
| } |
| |
| if (m_dwo_symbol_file) |
| m_dwo_symbol_file->GetCompileUnit()->ClearDIEs(keep_compile_unit_die); |
| } |
| |
| //---------------------------------------------------------------------- |
| // ParseCompileUnitDIEsIfNeeded |
| // |
| // Parses a compile unit and indexes its DIEs if it hasn't already been |
| // done. |
| //---------------------------------------------------------------------- |
| size_t DWARFCompileUnit::ExtractDIEsIfNeeded(bool cu_die_only) { |
| const size_t initial_die_array_size = m_die_array.size(); |
| if ((cu_die_only && initial_die_array_size > 0) || initial_die_array_size > 1) |
| return 0; // Already parsed |
| |
| static Timer::Category func_cat(LLVM_PRETTY_FUNCTION); |
| Timer scoped_timer( |
| func_cat, |
| "%8.8x: DWARFCompileUnit::ExtractDIEsIfNeeded( cu_die_only = %i )", |
| m_offset, cu_die_only); |
| |
| // Set the offset to that of the first DIE and calculate the start of the |
| // next compilation unit header. |
| lldb::offset_t offset = GetFirstDIEOffset(); |
| lldb::offset_t next_cu_offset = GetNextCompileUnitOffset(); |
| |
| DWARFDebugInfoEntry die; |
| // Keep a flat array of the DIE for binary lookup by DIE offset |
| if (!cu_die_only) { |
| Log *log( |
| LogChannelDWARF::GetLogIfAny(DWARF_LOG_DEBUG_INFO | DWARF_LOG_LOOKUPS)); |
| if (log) { |
| m_dwarf2Data->GetObjectFile()->GetModule()->LogMessageVerboseBacktrace( |
| log, "DWARFCompileUnit::ExtractDIEsIfNeeded () for compile unit at " |
| ".debug_info[0x%8.8x]", |
| GetOffset()); |
| } |
| } |
| |
| uint32_t depth = 0; |
| // We are in our compile unit, parse starting at the offset |
| // we were told to parse |
| const DWARFDataExtractor &debug_info_data = |
| m_dwarf2Data->get_debug_info_data(); |
| std::vector<uint32_t> die_index_stack; |
| die_index_stack.reserve(32); |
| die_index_stack.push_back(0); |
| bool prev_die_had_children = false; |
| DWARFFormValue::FixedFormSizes fixed_form_sizes = |
| DWARFFormValue::GetFixedFormSizesForAddressSize(GetAddressByteSize(), |
| m_is_dwarf64); |
| while (offset < next_cu_offset && |
| die.FastExtract(debug_info_data, this, fixed_form_sizes, &offset)) { |
| // if (log) |
| // log->Printf("0x%8.8x: %*.*s%s%s", |
| // die.GetOffset(), |
| // depth * 2, depth * 2, "", |
| // DW_TAG_value_to_name (die.Tag()), |
| // die.HasChildren() ? " *" : ""); |
| |
| const bool null_die = die.IsNULL(); |
| if (depth == 0) { |
| if (initial_die_array_size == 0) |
| AddCompileUnitDIE(die); |
| uint64_t base_addr = die.GetAttributeValueAsAddress( |
| m_dwarf2Data, this, DW_AT_low_pc, LLDB_INVALID_ADDRESS); |
| if (base_addr == LLDB_INVALID_ADDRESS) |
| base_addr = die.GetAttributeValueAsAddress(m_dwarf2Data, this, |
| DW_AT_entry_pc, 0); |
| SetBaseAddress(base_addr); |
| if (cu_die_only) |
| return 1; |
| } else { |
| if (null_die) { |
| if (prev_die_had_children) { |
| // This will only happen if a DIE says is has children |
| // but all it contains is a NULL tag. Since we are removing |
| // the NULL DIEs from the list (saves up to 25% in C++ code), |
| // we need a way to let the DIE know that it actually doesn't |
| // have children. |
| if (!m_die_array.empty()) |
| m_die_array.back().SetEmptyChildren(true); |
| } |
| } else { |
| die.SetParentIndex(m_die_array.size() - die_index_stack[depth - 1]); |
| |
| if (die_index_stack.back()) |
| m_die_array[die_index_stack.back()].SetSiblingIndex( |
| m_die_array.size() - die_index_stack.back()); |
| |
| // Only push the DIE if it isn't a NULL DIE |
| m_die_array.push_back(die); |
| } |
| } |
| |
| if (null_die) { |
| // NULL DIE. |
| if (!die_index_stack.empty()) |
| die_index_stack.pop_back(); |
| |
| if (depth > 0) |
| --depth; |
| if (depth == 0) |
| break; // We are done with this compile unit! |
| |
| prev_die_had_children = false; |
| } else { |
| die_index_stack.back() = m_die_array.size() - 1; |
| // Normal DIE |
| const bool die_has_children = die.HasChildren(); |
| if (die_has_children) { |
| die_index_stack.push_back(0); |
| ++depth; |
| } |
| prev_die_had_children = die_has_children; |
| } |
| } |
| |
| // Give a little bit of info if we encounter corrupt DWARF (our offset |
| // should always terminate at or before the start of the next compilation |
| // unit header). |
| if (offset > next_cu_offset) { |
| m_dwarf2Data->GetObjectFile()->GetModule()->ReportWarning( |
| "DWARF compile unit extends beyond its bounds cu 0x%8.8x at " |
| "0x%8.8" PRIx64 "\n", |
| GetOffset(), offset); |
| } |
| |
| // Since std::vector objects will double their size, we really need to |
| // make a new array with the perfect size so we don't end up wasting |
| // space. So here we copy and swap to make sure we don't have any extra |
| // memory taken up. |
| |
| if (m_die_array.size() < m_die_array.capacity()) { |
| DWARFDebugInfoEntry::collection exact_size_die_array(m_die_array.begin(), |
| m_die_array.end()); |
| exact_size_die_array.swap(m_die_array); |
| } |
| Log *log(LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_INFO)); |
| if (log && log->GetVerbose()) { |
| StreamString strm; |
| Dump(&strm); |
| if (m_die_array.empty()) |
| strm.Printf("error: no DIE for compile unit"); |
| else |
| m_die_array[0].Dump(m_dwarf2Data, this, strm, UINT32_MAX); |
| log->PutString(strm.GetString()); |
| } |
| |
| if (!m_dwo_symbol_file) |
| return m_die_array.size(); |
| |
| DWARFUnit *dwo_cu = m_dwo_symbol_file->GetCompileUnit(); |
| size_t dwo_die_count = dwo_cu->ExtractDIEsIfNeeded(cu_die_only); |
| return m_die_array.size() + dwo_die_count - |
| 1; // We have 2 CU die, but we want to count it only as one |
| } |
| |
| void DWARFCompileUnit::AddCompileUnitDIE(DWARFDebugInfoEntry &die) { |
| assert(m_die_array.empty() && "Compile unit DIE already added"); |
| AddDIE(die); |
| |
| const DWARFDebugInfoEntry &cu_die = m_die_array.front(); |
| std::unique_ptr<SymbolFileDWARFDwo> dwo_symbol_file = |
| m_dwarf2Data->GetDwoSymbolFileForCompileUnit(*this, cu_die); |
| if (!dwo_symbol_file) |
| return; |
| |
| DWARFUnit *dwo_cu = dwo_symbol_file->GetCompileUnit(); |
| if (!dwo_cu) |
| return; // Can't fetch the compile unit from the dwo file. |
| |
| DWARFDIE dwo_cu_die = dwo_cu->GetCompileUnitDIEOnly(); |
| if (!dwo_cu_die.IsValid()) |
| return; // Can't fetch the compile unit DIE from the dwo file. |
| |
| uint64_t main_dwo_id = cu_die.GetAttributeValueAsUnsigned( |
| m_dwarf2Data, this, DW_AT_GNU_dwo_id, 0); |
| uint64_t sub_dwo_id = |
| dwo_cu_die.GetAttributeValueAsUnsigned(DW_AT_GNU_dwo_id, 0); |
| if (main_dwo_id != sub_dwo_id) |
| return; // The 2 dwo ID isn't match. Don't use the dwo file as it belongs to |
| // a differectn compilation. |
| |
| m_dwo_symbol_file = std::move(dwo_symbol_file); |
| |
| dw_addr_t addr_base = cu_die.GetAttributeValueAsUnsigned( |
| m_dwarf2Data, this, DW_AT_GNU_addr_base, 0); |
| dw_addr_t ranges_base = cu_die.GetAttributeValueAsUnsigned( |
| m_dwarf2Data, this, DW_AT_GNU_ranges_base, 0); |
| dwo_cu->SetAddrBase(addr_base, ranges_base, m_offset); |
| } |
| |
| dw_offset_t DWARFCompileUnit::GetAbbrevOffset() const { |
| return m_abbrevs ? m_abbrevs->GetOffset() : DW_INVALID_OFFSET; |
| } |
| |
| bool DWARFCompileUnit::Verify(Stream *s) const { |
| const DWARFDataExtractor &debug_info = m_dwarf2Data->get_debug_info_data(); |
| bool valid_offset = debug_info.ValidOffset(m_offset); |
| bool length_OK = debug_info.ValidOffset(GetNextCompileUnitOffset() - 1); |
| bool version_OK = SymbolFileDWARF::SupportedVersion(m_version); |
| bool abbr_offset_OK = |
| m_dwarf2Data->get_debug_abbrev_data().ValidOffset(GetAbbrevOffset()); |
| bool addr_size_OK = ((m_addr_size == 4) || (m_addr_size == 8)); |
| if (valid_offset && length_OK && version_OK && addr_size_OK && |
| abbr_offset_OK) { |
| return true; |
| } else { |
| s->Printf(" 0x%8.8x: ", m_offset); |
| DumpDataExtractor(m_dwarf2Data->get_debug_info_data(), s, m_offset, |
| lldb::eFormatHex, 1, Size(), 32, LLDB_INVALID_ADDRESS, 0, |
| 0); |
| s->EOL(); |
| if (valid_offset) { |
| if (!length_OK) |
| s->Printf(" The length (0x%8.8x) for this compile unit is too " |
| "large for the .debug_info provided.\n", |
| m_length); |
| if (!version_OK) |
| s->Printf(" The 16 bit compile unit header version is not " |
| "supported.\n"); |
| if (!abbr_offset_OK) |
| s->Printf(" The offset into the .debug_abbrev section (0x%8.8x) " |
| "is not valid.\n", |
| GetAbbrevOffset()); |
| if (!addr_size_OK) |
| s->Printf(" The address size is unsupported: 0x%2.2x\n", |
| m_addr_size); |
| } else |
| s->Printf(" The start offset of the compile unit header in the " |
| ".debug_info is invalid.\n"); |
| } |
| return false; |
| } |
| |
| void DWARFCompileUnit::Dump(Stream *s) const { |
| s->Printf("0x%8.8x: Compile Unit: length = 0x%8.8x, version = 0x%4.4x, " |
| "abbr_offset = 0x%8.8x, addr_size = 0x%2.2x (next CU at " |
| "{0x%8.8x})\n", |
| m_offset, m_length, m_version, GetAbbrevOffset(), m_addr_size, |
| GetNextCompileUnitOffset()); |
| } |
| |
| lldb::user_id_t DWARFCompileUnit::GetID() const { |
| dw_offset_t local_id = |
| m_base_obj_offset != DW_INVALID_OFFSET ? m_base_obj_offset : m_offset; |
| if (m_dwarf2Data) |
| return DIERef(local_id, local_id).GetUID(m_dwarf2Data); |
| else |
| return local_id; |
| } |
| |
| void DWARFCompileUnit::BuildAddressRangeTable( |
| SymbolFileDWARF *dwarf2Data, DWARFDebugAranges *debug_aranges) { |
| // This function is usually called if there in no .debug_aranges section |
| // in order to produce a compile unit level set of address ranges that |
| // is accurate. |
| |
| size_t num_debug_aranges = debug_aranges->GetNumRanges(); |
| |
| // First get the compile unit DIE only and check if it has a DW_AT_ranges |
| const DWARFDebugInfoEntry *die = GetCompileUnitDIEPtrOnly(); |
| |
| const dw_offset_t cu_offset = GetOffset(); |
| if (die) { |
| DWARFRangeList ranges; |
| const size_t num_ranges = |
| die->GetAttributeAddressRanges(dwarf2Data, this, ranges, false); |
| if (num_ranges > 0) { |
| // This compile unit has DW_AT_ranges, assume this is correct if it |
| // is present since clang no longer makes .debug_aranges by default |
| // and it emits DW_AT_ranges for DW_TAG_compile_units. GCC also does |
| // this with recent GCC builds. |
| for (size_t i = 0; i < num_ranges; ++i) { |
| const DWARFRangeList::Entry &range = ranges.GetEntryRef(i); |
| debug_aranges->AppendRange(cu_offset, range.GetRangeBase(), |
| range.GetRangeEnd()); |
| } |
| |
| return; // We got all of our ranges from the DW_AT_ranges attribute |
| } |
| } |
| // We don't have a DW_AT_ranges attribute, so we need to parse the DWARF |
| |
| // If the DIEs weren't parsed, then we don't want all dies for all compile |
| // units |
| // to stay loaded when they weren't needed. So we can end up parsing the DWARF |
| // and then throwing them all away to keep memory usage down. |
| const bool clear_dies = ExtractDIEsIfNeeded(false) > 1; |
| |
| die = DIEPtr(); |
| if (die) |
| die->BuildAddressRangeTable(dwarf2Data, this, debug_aranges); |
| |
| if (debug_aranges->GetNumRanges() == num_debug_aranges) { |
| // We got nothing from the functions, maybe we have a line tables only |
| // situation. Check the line tables and build the arange table from this. |
| SymbolContext sc; |
| sc.comp_unit = dwarf2Data->GetCompUnitForDWARFCompUnit(this); |
| if (sc.comp_unit) { |
| SymbolFileDWARFDebugMap *debug_map_sym_file = |
| m_dwarf2Data->GetDebugMapSymfile(); |
| if (debug_map_sym_file == NULL) { |
| LineTable *line_table = sc.comp_unit->GetLineTable(); |
| |
| if (line_table) { |
| LineTable::FileAddressRanges file_ranges; |
| const bool append = true; |
| const size_t num_ranges = |
| line_table->GetContiguousFileAddressRanges(file_ranges, append); |
| for (uint32_t idx = 0; idx < num_ranges; ++idx) { |
| const LineTable::FileAddressRanges::Entry &range = |
| file_ranges.GetEntryRef(idx); |
| debug_aranges->AppendRange(cu_offset, range.GetRangeBase(), |
| range.GetRangeEnd()); |
| } |
| } |
| } else |
| debug_map_sym_file->AddOSOARanges(dwarf2Data, debug_aranges); |
| } |
| } |
| |
| if (debug_aranges->GetNumRanges() == num_debug_aranges) { |
| // We got nothing from the functions, maybe we have a line tables only |
| // situation. Check the line tables and build the arange table from this. |
| SymbolContext sc; |
| sc.comp_unit = dwarf2Data->GetCompUnitForDWARFCompUnit(this); |
| if (sc.comp_unit) { |
| LineTable *line_table = sc.comp_unit->GetLineTable(); |
| |
| if (line_table) { |
| LineTable::FileAddressRanges file_ranges; |
| const bool append = true; |
| const size_t num_ranges = |
| line_table->GetContiguousFileAddressRanges(file_ranges, append); |
| for (uint32_t idx = 0; idx < num_ranges; ++idx) { |
| const LineTable::FileAddressRanges::Entry &range = |
| file_ranges.GetEntryRef(idx); |
| debug_aranges->AppendRange(GetOffset(), range.GetRangeBase(), |
| range.GetRangeEnd()); |
| } |
| } |
| } |
| } |
| |
| // Keep memory down by clearing DIEs if this generate function |
| // caused them to be parsed |
| if (clear_dies) |
| ClearDIEs(true); |
| } |
| |
| const DWARFDebugAranges &DWARFCompileUnit::GetFunctionAranges() { |
| if (m_func_aranges_ap.get() == NULL) { |
| m_func_aranges_ap.reset(new DWARFDebugAranges()); |
| Log *log(LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_ARANGES)); |
| |
| if (log) { |
| m_dwarf2Data->GetObjectFile()->GetModule()->LogMessage( |
| log, "DWARFCompileUnit::GetFunctionAranges() for compile unit at " |
| ".debug_info[0x%8.8x]", |
| GetOffset()); |
| } |
| const DWARFDebugInfoEntry *die = DIEPtr(); |
| if (die) |
| die->BuildFunctionAddressRangeTable(m_dwarf2Data, this, |
| m_func_aranges_ap.get()); |
| |
| if (m_dwo_symbol_file) { |
| DWARFUnit *dwo_cu = m_dwo_symbol_file->GetCompileUnit(); |
| const DWARFDebugInfoEntry *dwo_die = dwo_cu->DIEPtr(); |
| if (dwo_die) |
| dwo_die->BuildFunctionAddressRangeTable(m_dwo_symbol_file.get(), dwo_cu, |
| m_func_aranges_ap.get()); |
| } |
| |
| const bool minimize = false; |
| m_func_aranges_ap->Sort(minimize); |
| } |
| return *m_func_aranges_ap.get(); |
| } |
| |
| DWARFDIE |
| DWARFCompileUnit::LookupAddress(const dw_addr_t address) { |
| if (DIE()) { |
| const DWARFDebugAranges &func_aranges = GetFunctionAranges(); |
| |
| // Re-check the aranges auto pointer contents in case it was created above |
| if (!func_aranges.IsEmpty()) |
| return GetDIE(func_aranges.FindAddress(address)); |
| } |
| return DWARFDIE(); |
| } |
| |
| size_t DWARFCompileUnit::AppendDIEsWithTag(const dw_tag_t tag, |
| DWARFDIECollection &dies, |
| uint32_t depth) const { |
| size_t old_size = dies.Size(); |
| DWARFDebugInfoEntry::const_iterator pos; |
| DWARFDebugInfoEntry::const_iterator end = m_die_array.end(); |
| for (pos = m_die_array.begin(); pos != end; ++pos) { |
| if (pos->Tag() == tag) |
| dies.Append(DWARFDIE(this, &(*pos))); |
| } |
| |
| // Return the number of DIEs added to the collection |
| return dies.Size() - old_size; |
| } |
| |
| // void |
| // DWARFCompileUnit::AddGlobalDIEByIndex (uint32_t die_idx) |
| //{ |
| // m_global_die_indexes.push_back (die_idx); |
| //} |
| // |
| // |
| // void |
| // DWARFCompileUnit::AddGlobal (const DWARFDebugInfoEntry* die) |
| //{ |
| // // Indexes to all file level global and static variables |
| // m_global_die_indexes; |
| // |
| // if (m_die_array.empty()) |
| // return; |
| // |
| // const DWARFDebugInfoEntry* first_die = &m_die_array[0]; |
| // const DWARFDebugInfoEntry* end = first_die + m_die_array.size(); |
| // if (first_die <= die && die < end) |
| // m_global_die_indexes.push_back (die - first_die); |
| //} |
| |
| void DWARFCompileUnit::ParseProducerInfo() { |
| m_producer_version_major = UINT32_MAX; |
| m_producer_version_minor = UINT32_MAX; |
| m_producer_version_update = UINT32_MAX; |
| |
| const DWARFDebugInfoEntry *die = GetCompileUnitDIEPtrOnly(); |
| if (die) { |
| |
| const char *producer_cstr = die->GetAttributeValueAsString( |
| m_dwarf2Data, this, DW_AT_producer, NULL); |
| if (producer_cstr) { |
| RegularExpression llvm_gcc_regex( |
| llvm::StringRef("^4\\.[012]\\.[01] \\(Based on Apple " |
| "Inc\\. build [0-9]+\\) \\(LLVM build " |
| "[\\.0-9]+\\)$")); |
| if (llvm_gcc_regex.Execute(llvm::StringRef(producer_cstr))) { |
| m_producer = eProducerLLVMGCC; |
| } else if (strstr(producer_cstr, "clang")) { |
| static RegularExpression g_clang_version_regex( |
| llvm::StringRef("clang-([0-9]+)\\.([0-9]+)\\.([0-9]+)")); |
| RegularExpression::Match regex_match(3); |
| if (g_clang_version_regex.Execute(llvm::StringRef(producer_cstr), |
| ®ex_match)) { |
| std::string str; |
| if (regex_match.GetMatchAtIndex(producer_cstr, 1, str)) |
| m_producer_version_major = |
| StringConvert::ToUInt32(str.c_str(), UINT32_MAX, 10); |
| if (regex_match.GetMatchAtIndex(producer_cstr, 2, str)) |
| m_producer_version_minor = |
| StringConvert::ToUInt32(str.c_str(), UINT32_MAX, 10); |
| if (regex_match.GetMatchAtIndex(producer_cstr, 3, str)) |
| m_producer_version_update = |
| StringConvert::ToUInt32(str.c_str(), UINT32_MAX, 10); |
| } |
| m_producer = eProducerClang; |
| } else if (strstr(producer_cstr, "GNU")) |
| m_producer = eProducerGCC; |
| } |
| } |
| if (m_producer == eProducerInvalid) |
| m_producer = eProcucerOther; |
| } |
| |
| DWARFProducer DWARFCompileUnit::GetProducer() { |
| if (m_producer == eProducerInvalid) |
| ParseProducerInfo(); |
| return m_producer; |
| } |
| |
| uint32_t DWARFCompileUnit::GetProducerVersionMajor() { |
| if (m_producer_version_major == 0) |
| ParseProducerInfo(); |
| return m_producer_version_major; |
| } |
| |
| uint32_t DWARFCompileUnit::GetProducerVersionMinor() { |
| if (m_producer_version_minor == 0) |
| ParseProducerInfo(); |
| return m_producer_version_minor; |
| } |
| |
| uint32_t DWARFCompileUnit::GetProducerVersionUpdate() { |
| if (m_producer_version_update == 0) |
| ParseProducerInfo(); |
| return m_producer_version_update; |
| } |
| |
| LanguageType DWARFCompileUnit::GetLanguageType() { |
| if (m_language_type != eLanguageTypeUnknown) |
| return m_language_type; |
| |
| const DWARFDebugInfoEntry *die = GetCompileUnitDIEPtrOnly(); |
| if (die) |
| m_language_type = LanguageTypeFromDWARF(die->GetAttributeValueAsUnsigned( |
| m_dwarf2Data, this, DW_AT_language, 0)); |
| return m_language_type; |
| } |
| |
| bool DWARFCompileUnit::GetIsOptimized() { |
| if (m_is_optimized == eLazyBoolCalculate) { |
| const DWARFDebugInfoEntry *die = GetCompileUnitDIEPtrOnly(); |
| if (die) { |
| m_is_optimized = eLazyBoolNo; |
| if (die->GetAttributeValueAsUnsigned(m_dwarf2Data, this, |
| DW_AT_APPLE_optimized, 0) == 1) { |
| m_is_optimized = eLazyBoolYes; |
| } |
| } |
| } |
| if (m_is_optimized == eLazyBoolYes) { |
| return true; |
| } else { |
| return false; |
| } |
| } |
| |
| TypeSystem *DWARFCompileUnit::GetTypeSystem() { |
| if (m_dwarf2Data) |
| return m_dwarf2Data->GetTypeSystemForLanguage(GetLanguageType()); |
| else |
| return nullptr; |
| } |
| |
| void DWARFCompileUnit::SetUserData(void *d) { |
| m_user_data = d; |
| if (m_dwo_symbol_file) |
| m_dwo_symbol_file->GetCompileUnit()->SetUserData(d); |
| } |
| |
| void DWARFCompileUnit::SetAddrBase(dw_addr_t addr_base, |
| dw_addr_t ranges_base, |
| dw_offset_t base_obj_offset) { |
| m_addr_base = addr_base; |
| m_ranges_base = ranges_base; |
| m_base_obj_offset = base_obj_offset; |
| } |