diff options
Diffstat (limited to 'lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp')
| -rw-r--r-- | lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp index 36bc176..63b2dc4 100644 --- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp +++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp @@ -450,6 +450,10 @@ ParsedDWARFTypeAttributes::ParsedDWARFTypeAttributes(const DWARFDIE &die) { byte_size = form_value.Unsigned(); break; + case DW_AT_bit_size: + data_bit_size = form_value.Unsigned(); + break; + case DW_AT_alignment: alignment = form_value.Unsigned(); break; @@ -810,13 +814,18 @@ DWARFASTParserClang::ParseTypeModifier(const SymbolContext &sc, // there... [[fallthrough]]; - case DW_TAG_base_type: + case DW_TAG_base_type: { resolve_state = Type::ResolveState::Full; + // If a builtin type's size isn't a multiple of a byte, DWARF producers may + // add a precise bit-size to the type. Use the most precise bit-size + // possible. + const uint64_t bit_size = attrs.data_bit_size + ? *attrs.data_bit_size + : attrs.byte_size.value_or(0) * 8; clang_type = m_ast.GetBuiltinTypeForDWARFEncodingAndBitSize( - attrs.name.GetStringRef(), attrs.encoding, - attrs.byte_size.value_or(0) * 8); + attrs.name.GetStringRef(), attrs.encoding, bit_size); break; - + } case DW_TAG_pointer_type: encoding_data_type = Type::eEncodingIsPointerUID; break; @@ -2043,11 +2052,10 @@ static std::optional<clang::APValue> MakeAPValue(const clang::ASTContext &ast, if (is_integral) return clang::APValue(apint); - uint32_t count; bool is_complex; // FIXME: we currently support a limited set of floating point types. // E.g., 16-bit floats are not supported. - if (!clang_type.IsFloatingPointType(count, is_complex)) + if (!clang_type.IsFloatingPointType(is_complex)) return std::nullopt; return clang::APValue(llvm::APFloat( |