diff options
Diffstat (limited to 'lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp')
| -rw-r--r-- | lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp | 80 |
1 files changed, 57 insertions, 23 deletions
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp index e9cbd8cde72..2b18b11321c 100644 --- a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp +++ b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp @@ -50,6 +50,8 @@ #include "lldb/Target/Language.h" +#include "lldb/Utility/TaskPool.h" + #include "DWARFASTParser.h" #include "DWARFCompileUnit.h" #include "DWARFDebugAbbrev.h" @@ -2035,40 +2037,72 @@ SymbolFileDWARF::Index () "SymbolFileDWARF::Index (%s)", GetObjectFile()->GetFileSpec().GetFilename().AsCString("<Unknown>")); + + DWARFDebugInfo* debug_info = DebugInfo(); if (debug_info) { - uint32_t cu_idx = 0; const uint32_t num_compile_units = GetNumCompileUnits(); - for (cu_idx = 0; cu_idx < num_compile_units; ++cu_idx) + std::vector<NameToDIE> function_basename_index(num_compile_units); + std::vector<NameToDIE> function_fullname_index(num_compile_units); + std::vector<NameToDIE> function_method_index(num_compile_units); + std::vector<NameToDIE> function_selector_index(num_compile_units); + std::vector<NameToDIE> objc_class_selectors_index(num_compile_units); + std::vector<NameToDIE> global_index(num_compile_units); + std::vector<NameToDIE> type_index(num_compile_units); + std::vector<NameToDIE> namespace_index(num_compile_units); + + auto parser_fn = [this, + debug_info, + &function_basename_index, + &function_fullname_index, + &function_method_index, + &function_selector_index, + &objc_class_selectors_index, + &global_index, + &type_index, + &namespace_index](uint32_t cu_idx) { DWARFCompileUnit* dwarf_cu = debug_info->GetCompileUnitAtIndex(cu_idx); + bool clear_dies = dwarf_cu->ExtractDIEsIfNeeded(false) > 1; - bool clear_dies = dwarf_cu->ExtractDIEsIfNeeded (false) > 1; + dwarf_cu->Index(function_basename_index[cu_idx], + function_fullname_index[cu_idx], + function_method_index[cu_idx], + function_selector_index[cu_idx], + objc_class_selectors_index[cu_idx], + global_index[cu_idx], + type_index[cu_idx], + namespace_index[cu_idx]); - dwarf_cu->Index (m_function_basename_index, - m_function_fullname_index, - m_function_method_index, - m_function_selector_index, - m_objc_class_selectors_index, - m_global_index, - m_type_index, - m_namespace_index); - // Keep memory down by clearing DIEs if this generate function // caused them to be parsed if (clear_dies) - dwarf_cu->ClearDIEs (true); - } - - m_function_basename_index.Finalize(); - m_function_fullname_index.Finalize(); - m_function_method_index.Finalize(); - m_function_selector_index.Finalize(); - m_objc_class_selectors_index.Finalize(); - m_global_index.Finalize(); - m_type_index.Finalize(); - m_namespace_index.Finalize(); + dwarf_cu->ClearDIEs(true); + }; + + std::vector<std::future<void>> results; + for (uint32_t cu_idx = 0; cu_idx < num_compile_units; ++cu_idx) + results.emplace_back(TaskPool::AddTask(parser_fn, cu_idx)); + for (auto& f : results) + f.wait(); + + auto merge_fn = [](NameToDIE& target, const std::vector<NameToDIE>& sources) + { + for (const auto& src : sources) + target.Append(src); + target.Finalize(); + }; + + TaskPool::RunTasks( + [&]() { merge_fn(m_function_basename_index, function_basename_index); }, + [&]() { merge_fn(m_function_fullname_index, function_fullname_index); }, + [&]() { merge_fn(m_function_method_index, function_method_index); }, + [&]() { merge_fn(m_function_selector_index, function_selector_index); }, + [&]() { merge_fn(m_objc_class_selectors_index, objc_class_selectors_index); }, + [&]() { merge_fn(m_global_index, global_index); }, + [&]() { merge_fn(m_type_index, type_index); }, + [&]() { merge_fn(m_namespace_index, namespace_index); }); #if defined (ENABLE_DEBUG_PRINTF) StreamFile s(stdout, false); |
