[Lldb-commits] [lldb] 64f62de - [lldb] Read Checksum from DWARF line tables (#71458)

[Jonas Devlieghere via lldb-commits]

Author: Jonas Devlieghere
Date: 2023-11-10T14:43:47-08:00
New Revision: 64f62de96609dc3ea9a8a914a9e9445b7f4d625d

URL: https://github.com/llvm/llvm-project/commit/64f62de96609dc3ea9a8a914a9e9445b7f4d625d
DIFF: https://github.com/llvm/llvm-project/commit/64f62de96609dc3ea9a8a914a9e9445b7f4d625d.diff

LOG: [lldb] Read Checksum from DWARF line tables (#71458)

Read the MD5 checksum from DWARF line tables and store it in the
corresponding support files.

This is a re-land after fixing an off-by-one error in LLDB's
ParseSupportFilesFromPrologue (fixed in #71984).

Added: 
    

Modified: 
    lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp

Removed: 
    


################################################################################
diff  --git a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
index 67ea17b2e1fb1bd..5bd4665dff7da7f 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
@@ -236,8 +236,15 @@ ParseSupportFilesFromPrologue(const lldb::ModuleSP &module,
         remapped_file = std::move(*file_path);
     }
 
+    Checksum checksum;
+    if (prologue.ContentTypes.HasMD5) {
+      const llvm::DWARFDebugLine::FileNameEntry &file_name_entry =
+          prologue.getFileNameEntry(idx);
+      checksum = file_name_entry.Checksum;
+    }
+
     // Unconditionally add an entry, so the indices match up.
-    support_files.EmplaceBack(remapped_file, style);
+    support_files.EmplaceBack(remapped_file, style, checksum);
   }
 
   return support_files;