[Lldb-commits] [lldb] Add more ways to find the .dwp file. (PR #81067)

[Adrian Prantl via lldb-commits]

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@@ -4349,26 +4349,53 @@ SymbolFileDWARFDebugMap *SymbolFileDWARF::GetDebugMapSymfile() {
 
 const std::shared_ptr<SymbolFileDWARFDwo> &SymbolFileDWARF::GetDwpSymbolFile() {
   llvm::call_once(m_dwp_symfile_once_flag, [this]() {
+    // Create a list of files to try and append .dwp to
+    FileSpecList symfiles;
+    // Append the module's object file path.
+    const FileSpec module_fspec = m_objfile_sp->GetModule()->GetFileSpec();
+    symfiles.Append(module_fspec);
+    // Append the object file for this SymbolFile only if it is different from
+    // the module's file path. Our main module could be "a.out", our symbol file
+    // could be "a.debug" and our ".dwp" file might be "a.debug.dwp" instead of
+    // "a.out.dwp".
+    const FileSpec symfile_fspec(m_objfile_sp->GetFileSpec());
+    if (symfile_fspec != module_fspec) {
+      symfiles.Append(symfile_fspec);
+    } else {
+      // If we don't have a separate debug info file, then try stripping the
+      // extension. We main module could be "a.debug" and the .dwp file could be
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adrian-prantl wrote:

"The" main module?

https://github.com/llvm/llvm-project/pull/81067