diff options
Diffstat (limited to 'lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp')
| -rw-r--r-- | lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp index 74b54d614aa..53084a57cae 100644 --- a/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp +++ b/lldb/source/Plugins/SymbolFile/DWARF/DWARFASTParserClang.cpp @@ -252,11 +252,34 @@ DWARFASTParserClang::ParseTypeFromDWARF (const SymbolContext& sc, switch (tag) { + case DW_TAG_typedef: + // Try to parse a typedef from the DWO file first as modules + // can contain typedef'ed structures that have no names like: + // + // typedef struct { int a; } Foo; + // + // In this case we will have a structure with no name and a + // typedef named "Foo" that points to this unnamed structure. + // The name in the typedef is the only identifier for the struct, + // so always try to get typedefs from DWO files if possible. + // + // The type_sp returned will be empty if the typedef doesn't exist + // in a DWO file, so it is cheap to call this function just to check. + // + // If we don't do this we end up creating a TypeSP that says this + // is a typedef to type 0x123 (the DW_AT_type value would be 0x123 + // in the DW_TAG_typedef), and this is the unnamed structure type. + // We will have a hard time tracking down an unnammed structure + // type in the module DWO file, so we make sure we don't get into + // this situation by always resolving typedefs from the DWO file. + type_sp = ParseTypeFromDWO(die, log); + if (type_sp) + return type_sp; + case DW_TAG_base_type: case DW_TAG_pointer_type: case DW_TAG_reference_type: case DW_TAG_rvalue_reference_type: - case DW_TAG_typedef: case DW_TAG_const_type: case DW_TAG_restrict_type: case DW_TAG_volatile_type: |
