================
@@ -1726,44 +1725,59 @@ lldb::ModuleSP
SymbolFileDWARF::GetExternalModule(ConstString name) {
return pos->second;
}
-DWARFDIE
-SymbolFileDWARF::GetDIE(const DIERef &die_ref) {
- // This method can be called without going through the symbol vendor so we
- // need to lock the module.
- std::lock_guard<std::recursive_mutex> guard(GetModuleMutex());
-
- SymbolFileDWARF *symbol_file = nullptr;
-
+SymbolFileDWARF *SymbolFileDWARF::GetDIERefSymbolFile(const DIERef &die_ref) {
// Anytime we get a "lldb::user_id_t" from an lldb_private::SymbolFile API we
// must make sure we use the correct DWARF file when resolving things. On
// MacOSX, when using SymbolFileDWARFDebugMap, we will use multiple
// SymbolFileDWARF classes, one for each .o file. We can often end up with
// references to other DWARF objects and we must be ready to receive a
// "lldb::user_id_t" that specifies a DIE from another SymbolFileDWARF
// instance.
+
std::optional<uint32_t> file_index = die_ref.file_index();
+
+ // If the file index matches, then we have the right SymbolFileDWARF already.
+ // This will work for both .dwo file and DWARF in .o files for mac. Also if
+ // both the file indexes are invalid, then we have a match.
+ if (GetFileIndex() == file_index)
+ return this;
+
+ // If we are currently in a .dwo file and our file index doesn't match we
need
+ // to let the base symbol file handle this.
+ SymbolFileDWARFDwo *dwo = llvm::dyn_cast_or_null<SymbolFileDWARFDwo>(this);
+ if (dwo)
+ return dwo->GetBaseSymbolFile().GetDIERefSymbolFile(die_ref);
+
if (file_index) {
- if (SymbolFileDWARFDebugMap *debug_map = GetDebugMapSymfile()) {
- symbol_file = debug_map->GetSymbolFileByOSOIndex(*file_index); // OSO
case
- if (symbol_file)
- return symbol_file->DebugInfo().GetDIE(die_ref);
- return DWARFDIE();
- }
+ SymbolFileDWARFDebugMap *debug_map = GetDebugMapSymfile();
+ if (debug_map) {
----------------
labath wrote:
+1, and also remove the else after return.
https://github.com/llvm/llvm-project/pull/87740
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