diff options
Diffstat (limited to 'lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp')
| -rw-r--r-- | lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp | 1997 |
1 files changed, 943 insertions, 1054 deletions
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp index 6ef0d0ac045..5257e943c61 100644 --- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp +++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFCompileUnit.cpp @@ -9,6 +9,7 @@ #include "DWARFCompileUnit.h" +#include "Plugins/Language/ObjC/ObjCLanguage.h" #include "lldb/Core/Mangled.h" #include "lldb/Core/Module.h" #include "lldb/Core/Stream.h" @@ -18,130 +19,108 @@ #include "lldb/Symbol/CompileUnit.h" #include "lldb/Symbol/LineTable.h" #include "lldb/Symbol/ObjectFile.h" -#include "Plugins/Language/ObjC/ObjCLanguage.h" +#include "DWARFDIECollection.h" #include "DWARFDebugAbbrev.h" #include "DWARFDebugAranges.h" #include "DWARFDebugInfo.h" -#include "DWARFDIECollection.h" #include "DWARFFormValue.h" #include "LogChannelDWARF.h" #include "NameToDIE.h" #include "SymbolFileDWARF.h" -#include "SymbolFileDWARFDwo.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), - m_abbrevs (NULL), - m_user_data (NULL), - m_die_array (), - m_func_aranges_ap (), - m_base_addr (0), - m_offset (DW_INVALID_OFFSET), - m_length (0), - m_version (0), - m_addr_size (DWARFCompileUnit::GetDefaultAddressSize()), - m_producer (eProducerInvalid), - m_producer_version_major (0), - m_producer_version_minor (0), - m_producer_version_update (0), - m_language_type (eLanguageTypeUnknown), - m_is_dwarf64 (false), - m_is_optimized (eLazyBoolCalculate), - m_addr_base (0), - m_base_obj_offset (DW_INVALID_OFFSET) -{ +DWARFCompileUnit::DWARFCompileUnit(SymbolFileDWARF *dwarf2Data) + : m_dwarf2Data(dwarf2Data), m_abbrevs(NULL), m_user_data(NULL), + m_die_array(), m_func_aranges_ap(), m_base_addr(0), + m_offset(DW_INVALID_OFFSET), m_length(0), m_version(0), + m_addr_size(DWARFCompileUnit::GetDefaultAddressSize()), + m_producer(eProducerInvalid), m_producer_version_major(0), + m_producer_version_minor(0), m_producer_version_update(0), + m_language_type(eLanguageTypeUnknown), m_is_dwarf64(false), + m_is_optimized(eLazyBoolCalculate), m_addr_base(0), + m_base_obj_offset(DW_INVALID_OFFSET) {} + +DWARFCompileUnit::~DWARFCompileUnit() {} + +void DWARFCompileUnit::Clear() { + m_offset = DW_INVALID_OFFSET; + m_length = 0; + m_version = 0; + m_abbrevs = NULL; + m_addr_size = DWARFCompileUnit::GetDefaultAddressSize(); + m_base_addr = 0; + m_die_array.clear(); + m_func_aranges_ap.reset(); + m_user_data = NULL; + m_producer = eProducerInvalid; + m_language_type = eLanguageTypeUnknown; + m_is_dwarf64 = false; + m_is_optimized = eLazyBoolCalculate; + m_addr_base = 0; + m_base_obj_offset = DW_INVALID_OFFSET; } -DWARFCompileUnit::~DWARFCompileUnit() -{} - -void -DWARFCompileUnit::Clear() -{ - m_offset = DW_INVALID_OFFSET; - m_length = 0; - m_version = 0; - m_abbrevs = NULL; - m_addr_size = DWARFCompileUnit::GetDefaultAddressSize(); - m_base_addr = 0; - m_die_array.clear(); - m_func_aranges_ap.reset(); - m_user_data = NULL; - m_producer = eProducerInvalid; - m_language_type = eLanguageTypeUnknown; - m_is_dwarf64 = false; - m_is_optimized = eLazyBoolCalculate; - m_addr_base = 0; - m_base_obj_offset = DW_INVALID_OFFSET; -} +bool DWARFCompileUnit::Extract(const DWARFDataExtractor &debug_info, + lldb::offset_t *offset_ptr) { + Clear(); -bool -DWARFCompileUnit::Extract(const DWARFDataExtractor &debug_info, lldb::offset_t *offset_ptr) -{ - Clear(); - - m_offset = *offset_ptr; - - if (debug_info.ValidOffset(*offset_ptr)) - { - dw_offset_t abbr_offset; - const DWARFDebugAbbrev *abbr = m_dwarf2Data->DebugAbbrev(); - m_length = debug_info.GetDWARFInitialLength(offset_ptr); - m_is_dwarf64 = debug_info.IsDWARF64(); - m_version = debug_info.GetU16(offset_ptr); - abbr_offset = debug_info.GetDWARFOffset(offset_ptr); - m_addr_size = debug_info.GetU8 (offset_ptr); - - 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(abbr_offset); - bool addr_size_OK = ((m_addr_size == 4) || (m_addr_size == 8)); - - if (length_OK && version_OK && addr_size_OK && abbr_offset_OK && abbr != NULL) - { - m_abbrevs = abbr->GetAbbreviationDeclarationSet(abbr_offset); - return true; - } + m_offset = *offset_ptr; - // reset the offset to where we tried to parse from if anything went wrong - *offset_ptr = m_offset; - } - - return false; -} + if (debug_info.ValidOffset(*offset_ptr)) { + dw_offset_t abbr_offset; + const DWARFDebugAbbrev *abbr = m_dwarf2Data->DebugAbbrev(); + m_length = debug_info.GetDWARFInitialLength(offset_ptr); + m_is_dwarf64 = debug_info.IsDWARF64(); + m_version = debug_info.GetU16(offset_ptr); + abbr_offset = debug_info.GetDWARFOffset(offset_ptr); + m_addr_size = debug_info.GetU8(offset_ptr); + 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(abbr_offset); + bool addr_size_OK = ((m_addr_size == 4) || (m_addr_size == 8)); -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 (length_OK && version_OK && addr_size_OK && abbr_offset_OK && + abbr != NULL) { + m_abbrevs = abbr->GetAbbreviationDeclarationSet(abbr_offset); + return true; } - if (m_dwo_symbol_file) - m_dwo_symbol_file->GetCompileUnit()->ClearDIEs(keep_compile_unit_die); + // reset the offset to where we tried to parse from if anything went wrong + *offset_ptr = m_offset; + } + + return false; +} + +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); } //---------------------------------------------------------------------- @@ -150,454 +129,420 @@ DWARFCompileUnit::ClearDIEs(bool keep_compile_unit_die) // 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 - - Timer scoped_timer (LLVM_PRETTY_FUNCTION, - "%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()); - } +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 + + Timer scoped_timer( + LLVM_PRETTY_FUNCTION, + "%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); - } + } + + 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 (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; - } - } + if (die_index_stack.back()) + m_die_array[die_index_stack.back()].SetSiblingIndex( + m_die_array.size() - die_index_stack.back()); - // 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); + // Only push the DIE if it isn't a NULL DIE + m_die_array.push_back(die); + } } - // 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 *verbose_log (LogChannelDWARF::GetLogIfAll (DWARF_LOG_DEBUG_INFO | DWARF_LOG_VERBOSE)); - if (verbose_log) - { - 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); - verbose_log->PutCString (strm.GetString().c_str()); + 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 *verbose_log( + LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_INFO | DWARF_LOG_VERBOSE)); + if (verbose_log) { + 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); + verbose_log->PutCString(strm.GetString().c_str()); + } - if (!m_dwo_symbol_file) - return m_die_array.size(); + if (!m_dwo_symbol_file) + return m_die_array.size(); - DWARFCompileUnit* 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 + DWARFCompileUnit *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; - - DWARFCompileUnit* 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); - dwo_cu->SetAddrBase(addr_base, m_offset); +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; + + DWARFCompileUnit *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); + dwo_cu->SetAddrBase(addr_base, m_offset); } -dw_offset_t -DWARFCompileUnit::GetAbbrevOffset() const -{ - return m_abbrevs ? m_abbrevs->GetOffset() : DW_INVALID_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)); - bool verbose = s->GetVerbose(); - if (valid_offset && length_OK && version_OK && addr_size_OK && abbr_offset_OK) - { - if (verbose) - s->Printf(" 0x%8.8x: OK\n", m_offset); - return true; - } - else - { - s->Printf(" 0x%8.8x: ", m_offset); - - m_dwarf2Data->get_debug_info_data().Dump (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; +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)); + bool verbose = s->GetVerbose(); + if (valid_offset && length_OK && version_OK && addr_size_OK && + abbr_offset_OK) { + if (verbose) + s->Printf(" 0x%8.8x: OK\n", m_offset); + return true; + } else { + s->Printf(" 0x%8.8x: ", m_offset); + + m_dwarf2Data->get_debug_info_data().Dump(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()); +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()); } - static uint8_t g_default_addr_size = 4; -uint8_t -DWARFCompileUnit::GetAddressByteSize(const DWARFCompileUnit* cu) -{ - if (cu) - return cu->GetAddressByteSize(); - return DWARFCompileUnit::GetDefaultAddressSize(); +uint8_t DWARFCompileUnit::GetAddressByteSize(const DWARFCompileUnit *cu) { + if (cu) + return cu->GetAddressByteSize(); + return DWARFCompileUnit::GetDefaultAddressSize(); } -bool -DWARFCompileUnit::IsDWARF64(const DWARFCompileUnit* cu) -{ - if (cu) - return cu->IsDWARF64(); - return false; +bool DWARFCompileUnit::IsDWARF64(const DWARFCompileUnit *cu) { + if (cu) + return cu->IsDWARF64(); + return false; } -uint8_t -DWARFCompileUnit::GetDefaultAddressSize() -{ - return g_default_addr_size; +uint8_t DWARFCompileUnit::GetDefaultAddressSize() { + return g_default_addr_size; } -void -DWARFCompileUnit::SetDefaultAddressSize(uint8_t addr_size) -{ - g_default_addr_size = addr_size; +void DWARFCompileUnit::SetDefaultAddressSize(uint8_t addr_size) { + g_default_addr_size = addr_size; } -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; +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 - } +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); + } + // 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()); - } - } + } + + 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); + } + // 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)); -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) - { - DWARFCompileUnit* 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); + 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) { + DWARFCompileUnit *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()); } - return *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(); +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(); } //---------------------------------------------------------------------- // Compare function DWARFDebugAranges::Range structures //---------------------------------------------------------------------- -static bool CompareDIEOffset (const DWARFDebugInfoEntry& die, const dw_offset_t die_offset) -{ - return die.GetOffset() < die_offset; +static bool CompareDIEOffset(const DWARFDebugInfoEntry &die, + const dw_offset_t die_offset) { + return die.GetOffset() < die_offset; } //---------------------------------------------------------------------- @@ -609,627 +554,571 @@ static bool CompareDIEOffset (const DWARFDebugInfoEntry& die, const dw_offset_t // from the DWARF file. //---------------------------------------------------------------------- DWARFDIE -DWARFCompileUnit::GetDIE (dw_offset_t die_offset) -{ - if (die_offset != DW_INVALID_OFFSET) - { - if (m_dwo_symbol_file) - return m_dwo_symbol_file->GetCompileUnit()->GetDIE(die_offset); - - if (ContainsDIEOffset(die_offset)) - { - ExtractDIEsIfNeeded (false); - DWARFDebugInfoEntry::iterator end = m_die_array.end(); - DWARFDebugInfoEntry::iterator pos = lower_bound(m_die_array.begin(), end, die_offset, CompareDIEOffset); - if (pos != end) - { - if (die_offset == (*pos).GetOffset()) - return DWARFDIE(this, &(*pos)); - } - } - else - { - // Don't specify the compile unit offset as we don't know it because the DIE belongs to - // a different compile unit in the same symbol file. - return m_dwarf2Data->DebugInfo()->GetDIEForDIEOffset(die_offset); - } +DWARFCompileUnit::GetDIE(dw_offset_t die_offset) { + if (die_offset != DW_INVALID_OFFSET) { + if (m_dwo_symbol_file) + return m_dwo_symbol_file->GetCompileUnit()->GetDIE(die_offset); + + if (ContainsDIEOffset(die_offset)) { + ExtractDIEsIfNeeded(false); + DWARFDebugInfoEntry::iterator end = m_die_array.end(); + DWARFDebugInfoEntry::iterator pos = + lower_bound(m_die_array.begin(), end, die_offset, CompareDIEOffset); + if (pos != end) { + if (die_offset == (*pos).GetOffset()) + return DWARFDIE(this, &(*pos)); + } + } else { + // Don't specify the compile unit offset as we don't know it because the + // DIE belongs to + // a different compile unit in the same symbol file. + return m_dwarf2Data->DebugInfo()->GetDIEForDIEOffset(die_offset); } - return DWARFDIE(); // Not found + } + return DWARFDIE(); // Not found } -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; +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) +// void +// DWARFCompileUnit::AddGlobalDIEByIndex (uint32_t die_idx) //{ // m_global_die_indexes.push_back (die_idx); //} // // -//void -//DWARFCompileUnit::AddGlobal (const DWARFDebugInfoEntry* die) +// 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::Index(NameToDIE &func_basenames, + NameToDIE &func_fullnames, NameToDIE &func_methods, + NameToDIE &func_selectors, + NameToDIE &objc_class_selectors, + NameToDIE &globals, NameToDIE &types, + NameToDIE &namespaces) { + Log *log(LogChannelDWARF::GetLogIfAll(DWARF_LOG_LOOKUPS)); + + if (log) { + m_dwarf2Data->GetObjectFile()->GetModule()->LogMessage( + log, + "DWARFCompileUnit::Index() for compile unit at .debug_info[0x%8.8x]", + GetOffset()); + } + + const LanguageType cu_language = GetLanguageType(); + DWARFFormValue::FixedFormSizes fixed_form_sizes = + DWARFFormValue::GetFixedFormSizesForAddressSize(GetAddressByteSize(), + m_is_dwarf64); + + IndexPrivate(this, cu_language, fixed_form_sizes, GetOffset(), func_basenames, + func_fullnames, func_methods, func_selectors, + objc_class_selectors, globals, types, namespaces); + + SymbolFileDWARFDwo *dwo_symbol_file = GetDwoSymbolFile(); + if (dwo_symbol_file) { + IndexPrivate(dwo_symbol_file->GetCompileUnit(), cu_language, + fixed_form_sizes, GetOffset(), func_basenames, func_fullnames, + func_methods, func_selectors, objc_class_selectors, globals, + types, namespaces); + } +} -void -DWARFCompileUnit::Index (NameToDIE& func_basenames, - NameToDIE& func_fullnames, - NameToDIE& func_methods, - NameToDIE& func_selectors, - NameToDIE& objc_class_selectors, - NameToDIE& globals, - NameToDIE& types, - NameToDIE& namespaces) -{ - Log *log (LogChannelDWARF::GetLogIfAll (DWARF_LOG_LOOKUPS)); - - if (log) - { - m_dwarf2Data->GetObjectFile()->GetModule()->LogMessage (log, - "DWARFCompileUnit::Index() for compile unit at .debug_info[0x%8.8x]", - GetOffset()); - } +void DWARFCompileUnit::IndexPrivate( + DWARFCompileUnit *dwarf_cu, const LanguageType cu_language, + const DWARFFormValue::FixedFormSizes &fixed_form_sizes, + const dw_offset_t cu_offset, NameToDIE &func_basenames, + NameToDIE &func_fullnames, NameToDIE &func_methods, + NameToDIE &func_selectors, NameToDIE &objc_class_selectors, + NameToDIE &globals, NameToDIE &types, NameToDIE &namespaces) { + DWARFDebugInfoEntry::const_iterator pos; + DWARFDebugInfoEntry::const_iterator begin = dwarf_cu->m_die_array.begin(); + DWARFDebugInfoEntry::const_iterator end = dwarf_cu->m_die_array.end(); + for (pos = begin; pos != end; ++pos) { + const DWARFDebugInfoEntry &die = *pos; + + const dw_tag_t tag = die.Tag(); + + switch (tag) { + case DW_TAG_array_type: + case DW_TAG_base_type: + case DW_TAG_class_type: + case DW_TAG_constant: + case DW_TAG_enumeration_type: + case DW_TAG_inlined_subroutine: + case DW_TAG_namespace: + case DW_TAG_string_type: + case DW_TAG_structure_type: + case DW_TAG_subprogram: + case DW_TAG_subroutine_type: + case DW_TAG_typedef: + case DW_TAG_union_type: + case DW_TAG_unspecified_type: + case DW_TAG_variable: + break; - const LanguageType cu_language = GetLanguageType(); - DWARFFormValue::FixedFormSizes fixed_form_sizes = - DWARFFormValue::GetFixedFormSizesForAddressSize (GetAddressByteSize(), m_is_dwarf64); - - IndexPrivate(this, - cu_language, - fixed_form_sizes, - GetOffset(), - func_basenames, - func_fullnames, - func_methods, - func_selectors, - objc_class_selectors, - globals, - types, - namespaces); - - SymbolFileDWARFDwo* dwo_symbol_file = GetDwoSymbolFile(); - if (dwo_symbol_file) - { - IndexPrivate(dwo_symbol_file->GetCompileUnit(), - cu_language, - fixed_form_sizes, - GetOffset(), - func_basenames, - func_fullnames, - func_methods, - func_selectors, - objc_class_selectors, - globals, - types, - namespaces); + default: + continue; } -} -void -DWARFCompileUnit::IndexPrivate (DWARFCompileUnit* dwarf_cu, - const LanguageType cu_language, - const DWARFFormValue::FixedFormSizes& fixed_form_sizes, - const dw_offset_t cu_offset, - NameToDIE& func_basenames, - NameToDIE& func_fullnames, - NameToDIE& func_methods, - NameToDIE& func_selectors, - NameToDIE& objc_class_selectors, - NameToDIE& globals, - NameToDIE& types, - NameToDIE& namespaces) -{ - DWARFDebugInfoEntry::const_iterator pos; - DWARFDebugInfoEntry::const_iterator begin = dwarf_cu->m_die_array.begin(); - DWARFDebugInfoEntry::const_iterator end = dwarf_cu->m_die_array.end(); - for (pos = begin; pos != end; ++pos) - { - const DWARFDebugInfoEntry &die = *pos; - - const dw_tag_t tag = die.Tag(); - - switch (tag) - { - case DW_TAG_array_type: - case DW_TAG_base_type: - case DW_TAG_class_type: - case DW_TAG_constant: - case DW_TAG_enumeration_type: - case DW_TAG_inlined_subroutine: - case DW_TAG_namespace: - case DW_TAG_string_type: - case DW_TAG_structure_type: - case DW_TAG_subprogram: - case DW_TAG_subroutine_type: - case DW_TAG_typedef: - case DW_TAG_union_type: - case DW_TAG_unspecified_type: - case DW_TAG_variable: - break; - - default: - continue; - } - - DWARFAttributes attributes; - const char *name = NULL; - const char *mangled_cstr = NULL; - bool is_declaration = false; - //bool is_artificial = false; - bool has_address = false; - bool has_location_or_const_value = false; - bool is_global_or_static_variable = false; - - DWARFFormValue specification_die_form; - const size_t num_attributes = die.GetAttributes(dwarf_cu, fixed_form_sizes, attributes); - if (num_attributes > 0) - { - for (uint32_t i=0; i<num_attributes; ++i) - { - dw_attr_t attr = attributes.AttributeAtIndex(i); - DWARFFormValue form_value; - switch (attr) - { - case DW_AT_name: - if (attributes.ExtractFormValueAtIndex(i, form_value)) - name = form_value.AsCString(); - break; - - case DW_AT_declaration: - if (attributes.ExtractFormValueAtIndex(i, form_value)) - is_declaration = form_value.Unsigned() != 0; - break; - -// case DW_AT_artificial: -// if (attributes.ExtractFormValueAtIndex(i, form_value)) -// is_artificial = form_value.Unsigned() != 0; -// break; - - case DW_AT_MIPS_linkage_name: - case DW_AT_linkage_name: - if (attributes.ExtractFormValueAtIndex(i, form_value)) - mangled_cstr = form_value.AsCString(); - break; - - case DW_AT_low_pc: - case DW_AT_high_pc: - case DW_AT_ranges: - has_address = true; - break; - - case DW_AT_entry_pc: - has_address = true; - break; - - case DW_AT_location: - case DW_AT_const_value: - has_location_or_const_value = true; - if (tag == DW_TAG_variable) - { - const DWARFDebugInfoEntry* parent_die = die.GetParent(); - while ( parent_die != NULL ) - { - switch (parent_die->Tag()) - { - case DW_TAG_subprogram: - case DW_TAG_lexical_block: - case DW_TAG_inlined_subroutine: - // Even if this is a function level static, we don't add it. We could theoretically - // add these if we wanted to by introspecting into the DW_AT_location and seeing - // if the location describes a hard coded address, but we dont want the performance - // penalty of that right now. - is_global_or_static_variable = false; -// if (attributes.ExtractFormValueAtIndex(dwarf2Data, i, form_value)) -// { -// // If we have valid block data, then we have location expression bytes -// // that are fixed (not a location list). -// const uint8_t *block_data = form_value.BlockData(); -// if (block_data) -// { -// uint32_t block_length = form_value.Unsigned(); -// if (block_length == 1 + attributes.CompileUnitAtIndex(i)->GetAddressByteSize()) -// { -// if (block_data[0] == DW_OP_addr) -// add_die = true; -// } -// } -// } - parent_die = NULL; // Terminate the while loop. - break; - - case DW_TAG_compile_unit: - is_global_or_static_variable = true; - parent_die = NULL; // Terminate the while loop. - break; - - default: - parent_die = parent_die->GetParent(); // Keep going in the while loop. - break; - } - } - } - break; - - case DW_AT_specification: - if (attributes.ExtractFormValueAtIndex(i, form_value)) - specification_die_form = form_value; - break; - } + DWARFAttributes attributes; + const char *name = NULL; + const char *mangled_cstr = NULL; + bool is_declaration = false; + // bool is_artificial = false; + bool has_address = false; + bool has_location_or_const_value = false; + bool is_global_or_static_variable = false; + + DWARFFormValue specification_die_form; + const size_t num_attributes = + die.GetAttributes(dwarf_cu, fixed_form_sizes, attributes); + if (num_attributes > 0) { + for (uint32_t i = 0; i < num_attributes; ++i) { + dw_attr_t attr = attributes.AttributeAtIndex(i); + DWARFFormValue form_value; + switch (attr) { + case DW_AT_name: + if (attributes.ExtractFormValueAtIndex(i, form_value)) + name = form_value.AsCString(); + break; + + case DW_AT_declaration: + if (attributes.ExtractFormValueAtIndex(i, form_value)) + is_declaration = form_value.Unsigned() != 0; + break; + + // case DW_AT_artificial: + // if (attributes.ExtractFormValueAtIndex(i, + // form_value)) + // is_artificial = form_value.Unsigned() != 0; + // break; + + case DW_AT_MIPS_linkage_name: + case DW_AT_linkage_name: + if (attributes.ExtractFormValueAtIndex(i, form_value)) + mangled_cstr = form_value.AsCString(); + break; + + case DW_AT_low_pc: + case DW_AT_high_pc: + case DW_AT_ranges: + has_address = true; + break; + + case DW_AT_entry_pc: + has_address = true; + break; + + case DW_AT_location: + case DW_AT_const_value: + has_location_or_const_value = true; + if (tag == DW_TAG_variable) { + const DWARFDebugInfoEntry *parent_die = die.GetParent(); + while (parent_die != NULL) { + switch (parent_die->Tag()) { + case DW_TAG_subprogram: + case DW_TAG_lexical_block: + case DW_TAG_inlined_subroutine: + // Even if this is a function level static, we don't add it. We + // could theoretically + // add these if we wanted to by introspecting into the + // DW_AT_location and seeing + // if the location describes a hard coded address, but we dont + // want the performance + // penalty of that right now. + is_global_or_static_variable = false; + // if + // (attributes.ExtractFormValueAtIndex(dwarf2Data, + // i, form_value)) + // { + // // If we have valid block + // data, then we have location + // expression bytes + // // that are fixed (not a + // location list). + // const uint8_t *block_data = + // form_value.BlockData(); + // if (block_data) + // { + // uint32_t block_length = + // form_value.Unsigned(); + // if (block_length == 1 + + // attributes.CompileUnitAtIndex(i)->GetAddressByteSize()) + // { + // if (block_data[0] == + // DW_OP_addr) + // add_die = true; + // } + // } + // } + parent_die = NULL; // Terminate the while loop. + break; + + case DW_TAG_compile_unit: + is_global_or_static_variable = true; + parent_die = NULL; // Terminate the while loop. + break; + + default: + parent_die = + parent_die->GetParent(); // Keep going in the while loop. + break; + } } + } + break; + + case DW_AT_specification: + if (attributes.ExtractFormValueAtIndex(i, form_value)) + specification_die_form = form_value; + break; } + } + } - switch (tag) - { - case DW_TAG_subprogram: - if (has_address) - { - if (name) - { - ObjCLanguage::MethodName objc_method(name, true); - if (objc_method.IsValid(true)) - { - ConstString objc_class_name_with_category (objc_method.GetClassNameWithCategory()); - ConstString objc_selector_name (objc_method.GetSelector()); - ConstString objc_fullname_no_category_name (objc_method.GetFullNameWithoutCategory(true)); - ConstString objc_class_name_no_category (objc_method.GetClassName()); - func_fullnames.Insert (ConstString(name), DIERef(cu_offset, die.GetOffset())); - if (objc_class_name_with_category) - objc_class_selectors.Insert(objc_class_name_with_category, DIERef(cu_offset, die.GetOffset())); - if (objc_class_name_no_category && objc_class_name_no_category != objc_class_name_with_category) - objc_class_selectors.Insert(objc_class_name_no_category, DIERef(cu_offset, die.GetOffset())); - if (objc_selector_name) - func_selectors.Insert (objc_selector_name, DIERef(cu_offset, die.GetOffset())); - if (objc_fullname_no_category_name) - func_fullnames.Insert (objc_fullname_no_category_name, DIERef(cu_offset, die.GetOffset())); - } - // If we have a mangled name, then the DW_AT_name attribute - // is usually the method name without the class or any parameters - const DWARFDebugInfoEntry *parent = die.GetParent(); - bool is_method = false; - if (parent) - { - dw_tag_t parent_tag = parent->Tag(); - if (parent_tag == DW_TAG_class_type || parent_tag == DW_TAG_structure_type) - { - is_method = true; - } - else - { - if (specification_die_form.IsValid()) - { - DWARFDIE specification_die = dwarf_cu->GetSymbolFileDWARF()->DebugInfo()->GetDIE (DIERef(specification_die_form)); - if (specification_die.GetParent().IsStructOrClass()) - is_method = true; - } - } - } - - - if (is_method) - func_methods.Insert (ConstString(name), DIERef(cu_offset, die.GetOffset())); - else - func_basenames.Insert (ConstString(name), DIERef(cu_offset, die.GetOffset())); - - if (!is_method && !mangled_cstr && !objc_method.IsValid(true)) - func_fullnames.Insert (ConstString(name), DIERef(cu_offset, die.GetOffset())); - } - if (mangled_cstr) - { - // Make sure our mangled name isn't the same string table entry - // as our name. If it starts with '_', then it is ok, else compare - // the string to make sure it isn't the same and we don't end up - // with duplicate entries - if (name && name != mangled_cstr && ((mangled_cstr[0] == '_') || (::strcmp(name, mangled_cstr) != 0))) - { - Mangled mangled (ConstString(mangled_cstr), true); - func_fullnames.Insert (mangled.GetMangledName(), DIERef(cu_offset, die.GetOffset())); - ConstString demangled = mangled.GetDemangledName(cu_language); - if (demangled) - func_fullnames.Insert (demangled, DIERef(cu_offset, die.GetOffset())); - } - } + switch (tag) { + case DW_TAG_subprogram: + if (has_address) { + if (name) { + ObjCLanguage::MethodName objc_method(name, true); + if (objc_method.IsValid(true)) { + ConstString objc_class_name_with_category( + objc_method.GetClassNameWithCategory()); + ConstString objc_selector_name(objc_method.GetSelector()); + ConstString objc_fullname_no_category_name( + objc_method.GetFullNameWithoutCategory(true)); + ConstString objc_class_name_no_category(objc_method.GetClassName()); + func_fullnames.Insert(ConstString(name), + DIERef(cu_offset, die.GetOffset())); + if (objc_class_name_with_category) + objc_class_selectors.Insert(objc_class_name_with_category, + DIERef(cu_offset, die.GetOffset())); + if (objc_class_name_no_category && + objc_class_name_no_category != objc_class_name_with_category) + objc_class_selectors.Insert(objc_class_name_no_category, + DIERef(cu_offset, die.GetOffset())); + if (objc_selector_name) + func_selectors.Insert(objc_selector_name, + DIERef(cu_offset, die.GetOffset())); + if (objc_fullname_no_category_name) + func_fullnames.Insert(objc_fullname_no_category_name, + DIERef(cu_offset, die.GetOffset())); + } + // If we have a mangled name, then the DW_AT_name attribute + // is usually the method name without the class or any parameters + const DWARFDebugInfoEntry *parent = die.GetParent(); + bool is_method = false; + if (parent) { + dw_tag_t parent_tag = parent->Tag(); + if (parent_tag == DW_TAG_class_type || + parent_tag == DW_TAG_structure_type) { + is_method = true; + } else { + if (specification_die_form.IsValid()) { + DWARFDIE specification_die = + dwarf_cu->GetSymbolFileDWARF()->DebugInfo()->GetDIE( + DIERef(specification_die_form)); + if (specification_die.GetParent().IsStructOrClass()) + is_method = true; + } } - break; - - case DW_TAG_inlined_subroutine: - if (has_address) - { - if (name) - func_basenames.Insert (ConstString(name), DIERef(cu_offset, die.GetOffset())); - if (mangled_cstr) - { - // Make sure our mangled name isn't the same string table entry - // as our name. If it starts with '_', then it is ok, else compare - // the string to make sure it isn't the same and we don't end up - // with duplicate entries - if (name && name != mangled_cstr && ((mangled_cstr[0] == '_') || (::strcmp(name, mangled_cstr) != 0))) - { - Mangled mangled (ConstString(mangled_cstr), true); - func_fullnames.Insert (mangled.GetMangledName(), DIERef(cu_offset, die.GetOffset())); - ConstString demangled = mangled.GetDemangledName(cu_language); - if (demangled) - func_fullnames.Insert (demangled, DIERef(cu_offset, die.GetOffset())); - } - } - else - func_fullnames.Insert (ConstString(name), DIERef(cu_offset, die.GetOffset())); - } - break; - - case DW_TAG_array_type: - case DW_TAG_base_type: - case DW_TAG_class_type: - case DW_TAG_constant: - case DW_TAG_enumeration_type: - case DW_TAG_string_type: - case DW_TAG_structure_type: - case DW_TAG_subroutine_type: - case DW_TAG_typedef: - case DW_TAG_union_type: - case DW_TAG_unspecified_type: - if (name && !is_declaration) - types.Insert (ConstString(name), DIERef(cu_offset, die.GetOffset())); - if (mangled_cstr && !is_declaration) - types.Insert (ConstString(mangled_cstr), DIERef(cu_offset, die.GetOffset())); - break; - - case DW_TAG_namespace: - if (name) - namespaces.Insert (ConstString(name), DIERef(cu_offset, die.GetOffset())); - break; - - case DW_TAG_variable: - if (name && has_location_or_const_value && is_global_or_static_variable) - { - globals.Insert (ConstString(name), DIERef(cu_offset, die.GetOffset())); - // Be sure to include variables by their mangled and demangled - // names if they have any since a variable can have a basename - // "i", a mangled named "_ZN12_GLOBAL__N_11iE" and a demangled - // mangled name "(anonymous namespace)::i"... - - // Make sure our mangled name isn't the same string table entry - // as our name. If it starts with '_', then it is ok, else compare - // the string to make sure it isn't the same and we don't end up - // with duplicate entries - if (mangled_cstr && name != mangled_cstr && ((mangled_cstr[0] == '_') || (::strcmp(name, mangled_cstr) != 0))) - { - Mangled mangled (ConstString(mangled_cstr), true); - globals.Insert (mangled.GetMangledName(), DIERef(cu_offset, die.GetOffset())); - ConstString demangled = mangled.GetDemangledName(cu_language); - if (demangled) - globals.Insert (demangled, DIERef(cu_offset, die.GetOffset())); - } - } - break; - - default: - continue; + } + + if (is_method) + func_methods.Insert(ConstString(name), + DIERef(cu_offset, die.GetOffset())); + else + func_basenames.Insert(ConstString(name), + DIERef(cu_offset, die.GetOffset())); + + if (!is_method && !mangled_cstr && !objc_method.IsValid(true)) + func_fullnames.Insert(ConstString(name), + DIERef(cu_offset, die.GetOffset())); } - } -} + if (mangled_cstr) { + // Make sure our mangled name isn't the same string table entry + // as our name. If it starts with '_', then it is ok, else compare + // the string to make sure it isn't the same and we don't end up + // with duplicate entries + if (name && name != mangled_cstr && + ((mangled_cstr[0] == '_') || + (::strcmp(name, mangled_cstr) != 0))) { + Mangled mangled(ConstString(mangled_cstr), true); + func_fullnames.Insert(mangled.GetMangledName(), + DIERef(cu_offset, die.GetOffset())); + ConstString demangled = mangled.GetDemangledName(cu_language); + if (demangled) + func_fullnames.Insert(demangled, + DIERef(cu_offset, die.GetOffset())); + } + } + } + break; + + case DW_TAG_inlined_subroutine: + if (has_address) { + if (name) + func_basenames.Insert(ConstString(name), + DIERef(cu_offset, die.GetOffset())); + if (mangled_cstr) { + // Make sure our mangled name isn't the same string table entry + // as our name. If it starts with '_', then it is ok, else compare + // the string to make sure it isn't the same and we don't end up + // with duplicate entries + if (name && name != mangled_cstr && + ((mangled_cstr[0] == '_') || + (::strcmp(name, mangled_cstr) != 0))) { + Mangled mangled(ConstString(mangled_cstr), true); + func_fullnames.Insert(mangled.GetMangledName(), + DIERef(cu_offset, die.GetOffset())); + ConstString demangled = mangled.GetDemangledName(cu_language); + if (demangled) + func_fullnames.Insert(demangled, + DIERef(cu_offset, die.GetOffset())); + } + } else + func_fullnames.Insert(ConstString(name), + DIERef(cu_offset, die.GetOffset())); + } + break; + + case DW_TAG_array_type: + case DW_TAG_base_type: + case DW_TAG_class_type: + case DW_TAG_constant: + case DW_TAG_enumeration_type: + case DW_TAG_string_type: + case DW_TAG_structure_type: + case DW_TAG_subroutine_type: + case DW_TAG_typedef: + case DW_TAG_union_type: + case DW_TAG_unspecified_type: + if (name && !is_declaration) + types.Insert(ConstString(name), DIERef(cu_offset, die.GetOffset())); + if (mangled_cstr && !is_declaration) + types.Insert(ConstString(mangled_cstr), + DIERef(cu_offset, die.GetOffset())); + break; + + case DW_TAG_namespace: + if (name) + namespaces.Insert(ConstString(name), + DIERef(cu_offset, die.GetOffset())); + break; + + case DW_TAG_variable: + if (name && has_location_or_const_value && is_global_or_static_variable) { + globals.Insert(ConstString(name), DIERef(cu_offset, die.GetOffset())); + // Be sure to include variables by their mangled and demangled + // names if they have any since a variable can have a basename + // "i", a mangled named "_ZN12_GLOBAL__N_11iE" and a demangled + // mangled name "(anonymous namespace)::i"... + + // Make sure our mangled name isn't the same string table entry + // as our name. If it starts with '_', then it is ok, else compare + // the string to make sure it isn't the same and we don't end up + // with duplicate entries + if (mangled_cstr && name != mangled_cstr && + ((mangled_cstr[0] == '_') || (::strcmp(name, mangled_cstr) != 0))) { + Mangled mangled(ConstString(mangled_cstr), true); + globals.Insert(mangled.GetMangledName(), + DIERef(cu_offset, die.GetOffset())); + ConstString demangled = mangled.GetDemangledName(cu_language); + if (demangled) + globals.Insert(demangled, DIERef(cu_offset, die.GetOffset())); + } + } + break; -bool -DWARFCompileUnit::Supports_unnamed_objc_bitfields () -{ - if (GetProducer() == eProducerClang) - { - const uint32_t major_version = GetProducerVersionMajor(); - if (major_version > 425 || (major_version == 425 && GetProducerVersionUpdate() >= 13)) - return true; - else - return false; + default: + continue; } - return true; // Assume all other compilers didn't have incorrect ObjC bitfield info + } } -bool -DWARFCompileUnit::Supports_DW_AT_APPLE_objc_complete_type () -{ - if (GetProducer() == eProducerLLVMGCC) - return false; - return true; +bool DWARFCompileUnit::Supports_unnamed_objc_bitfields() { + if (GetProducer() == eProducerClang) { + const uint32_t major_version = GetProducerVersionMajor(); + if (major_version > 425 || + (major_version == 425 && GetProducerVersionUpdate() >= 13)) + return true; + else + return false; + } + return true; // Assume all other compilers didn't have incorrect ObjC bitfield + // info } -bool -DWARFCompileUnit::DW_AT_decl_file_attributes_are_invalid() -{ - // llvm-gcc makes completely invalid decl file attributes and won't ever - // be fixed, so we need to know to ignore these. - return GetProducer() == eProducerLLVMGCC; +bool DWARFCompileUnit::Supports_DW_AT_APPLE_objc_complete_type() { + if (GetProducer() == eProducerLLVMGCC) + return false; + return true; } -void -DWARFCompileUnit::ParseProducerInfo () -{ - m_producer_version_major = UINT32_MAX; - m_producer_version_minor = UINT32_MAX; - m_producer_version_update = UINT32_MAX; +bool DWARFCompileUnit::DW_AT_decl_file_attributes_are_invalid() { + // llvm-gcc makes completely invalid decl file attributes and won't ever + // be fixed, so we need to know to ignore these. + return GetProducer() == eProducerLLVMGCC; +} - 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("^4\\.[012]\\.[01] \\(Based on Apple Inc\\. build [0-9]+\\) \\(LLVM build [\\.0-9]+\\)$"); - if (llvm_gcc_regex.Execute (producer_cstr)) - { - m_producer = eProducerLLVMGCC; - } - else if (strstr(producer_cstr, "clang")) - { - static RegularExpression g_clang_version_regex("clang-([0-9]+)\\.([0-9]+)\\.([0-9]+)"); - RegularExpression::Match regex_match(3); - if (g_clang_version_regex.Execute (producer_cstr, ®ex_match)) - { - std::string str; - if (regex_match.GetMatchAtIndex (producer_cstr, 1, str)) - m_producer_version_major = StringConvert::ToUInt32(str.c_str(), UINT32_MAX, 10); - if (regex_match.GetMatchAtIndex (producer_cstr, 2, str)) - m_producer_version_minor = StringConvert::ToUInt32(str.c_str(), UINT32_MAX, 10); - if (regex_match.GetMatchAtIndex (producer_cstr, 3, str)) - m_producer_version_update = StringConvert::ToUInt32(str.c_str(), UINT32_MAX, 10); - } - m_producer = eProducerClang; - } - else if (strstr(producer_cstr, "GNU")) - m_producer = eProducerGCC; +void DWARFCompileUnit::ParseProducerInfo() { + m_producer_version_major = UINT32_MAX; + m_producer_version_minor = UINT32_MAX; + m_producer_version_update = UINT32_MAX; + + const DWARFDebugInfoEntry *die = GetCompileUnitDIEPtrOnly(); + if (die) { + + const char *producer_cstr = die->GetAttributeValueAsString( + m_dwarf2Data, this, DW_AT_producer, NULL); + if (producer_cstr) { + RegularExpression llvm_gcc_regex("^4\\.[012]\\.[01] \\(Based on Apple " + "Inc\\. build [0-9]+\\) \\(LLVM build " + "[\\.0-9]+\\)$"); + if (llvm_gcc_regex.Execute(producer_cstr)) { + m_producer = eProducerLLVMGCC; + } else if (strstr(producer_cstr, "clang")) { + static RegularExpression g_clang_version_regex( + "clang-([0-9]+)\\.([0-9]+)\\.([0-9]+)"); + RegularExpression::Match regex_match(3); + if (g_clang_version_regex.Execute(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; + } + if (m_producer == eProducerInvalid) + m_producer = eProcucerOther; } -DWARFCompileUnit::Producer -DWARFCompileUnit::GetProducer () -{ - if (m_producer == eProducerInvalid) - ParseProducerInfo (); - return m_producer; +DWARFCompileUnit::Producer 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::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::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; +uint32_t DWARFCompileUnit::GetProducerVersionUpdate() { + if (m_producer_version_update == 0) + ParseProducerInfo(); + return m_producer_version_update; } -LanguageType -DWARFCompileUnit::LanguageTypeFromDWARF(uint64_t val) -{ - // Note: user languages between lo_user and hi_user - // must be handled explicitly here. - switch (val) - { - case DW_LANG_Mips_Assembler: - return eLanguageTypeMipsAssembler; - case DW_LANG_GOOGLE_RenderScript: - return eLanguageTypeExtRenderScript; - default: - return static_cast<LanguageType>(val); - } +LanguageType DWARFCompileUnit::LanguageTypeFromDWARF(uint64_t val) { + // Note: user languages between lo_user and hi_user + // must be handled explicitly here. + switch (val) { + case DW_LANG_Mips_Assembler: + return eLanguageTypeMipsAssembler; + case DW_LANG_GOOGLE_RenderScript: + return eLanguageTypeExtRenderScript; + default: + return static_cast<LanguageType>(val); + } } -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)); +LanguageType DWARFCompileUnit::GetLanguageType() { + if (m_language_type != eLanguageTypeUnknown) return m_language_type; -} -bool -DWARFCompileUnit::IsDWARF64() const -{ - return m_is_dwarf64; + 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; +bool DWARFCompileUnit::IsDWARF64() const { return m_is_dwarf64; } + +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; + } } -DWARFFormValue::FixedFormSizes -DWARFCompileUnit::GetFixedFormSizes () -{ - return DWARFFormValue::GetFixedFormSizesForAddressSize (GetAddressByteSize(), IsDWARF64()); +DWARFFormValue::FixedFormSizes DWARFCompileUnit::GetFixedFormSizes() { + return DWARFFormValue::GetFixedFormSizesForAddressSize(GetAddressByteSize(), + IsDWARF64()); } -TypeSystem * -DWARFCompileUnit::GetTypeSystem () -{ - if (m_dwarf2Data) - return m_dwarf2Data->GetTypeSystemForLanguage(GetLanguageType()); - else - return nullptr; +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::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_offset_t base_obj_offset) -{ - m_addr_base = addr_base; - m_base_obj_offset = base_obj_offset; +void DWARFCompileUnit::SetAddrBase(dw_addr_t addr_base, + dw_offset_t base_obj_offset) { + m_addr_base = addr_base; + m_base_obj_offset = base_obj_offset; } -lldb::ByteOrder -DWARFCompileUnit::GetByteOrder() const -{ - return m_dwarf2Data->GetObjectFile()->GetByteOrder(); +lldb::ByteOrder DWARFCompileUnit::GetByteOrder() const { + return m_dwarf2Data->GetObjectFile()->GetByteOrder(); } |
