diff options
Diffstat (limited to 'lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp')
| -rw-r--r-- | lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp index 7a54f4588fe..73ca83dde74 100644 --- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp +++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp @@ -573,6 +573,9 @@ TypeSP DWARFASTParserClang::ParseTypeFromDWARF(const SymbolContext &sc, LanguageType class_language = eLanguageTypeUnknown; bool is_complete_objc_class = false; + size_t calling_convention + = llvm::dwarf::CallingConvention::DW_CC_normal; + // bool struct_is_class = false; const size_t num_attributes = die.GetAttributes(attributes); if (num_attributes > 0) { @@ -628,7 +631,10 @@ TypeSP DWARFASTParserClang::ParseTypeFromDWARF(const SymbolContext &sc, case DW_AT_APPLE_objc_complete_type: is_complete_objc_class = form_value.Signed(); break; - + case DW_AT_calling_convention: + calling_convention = form_value.Unsigned(); + break; + case DW_AT_allocated: case DW_AT_associated: case DW_AT_data_location: @@ -884,7 +890,7 @@ TypeSP DWARFASTParserClang::ParseTypeFromDWARF(const SymbolContext &sc, class_language, &metadata); } } - + // Store a forward declaration to this class type in case any // parameters in any class methods need it for the clang // types for function prototypes. @@ -997,6 +1003,20 @@ TypeSP DWARFASTParserClang::ParseTypeFromDWARF(const SymbolContext &sc, m_ast.SetHasExternalStorage(clang_type.GetOpaqueQualType(), true); } } + + // If we made a clang type, set the trivial abi if applicable: + // We only do this for pass by value - which implies the Trivial ABI. + // There isn't a way to assert that something that would normally be + // pass by value is pass by reference, so we ignore that attribute if + // set. + if (calling_convention == llvm::dwarf::DW_CC_pass_by_value) { + clang::CXXRecordDecl *record_decl = + m_ast.GetAsCXXRecordDecl(clang_type.GetOpaqueQualType()); + if (record_decl) { + record_decl->setHasTrivialSpecialMemberForCall(); + } + } + } break; case DW_TAG_enumeration_type: { |
