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

[Jonas Devlieghere via lldb-commits]

https://github.com/JDevlieghere updated https://github.com/llvm/llvm-project/pull/71458

>From 5673248f1f19145cbbb0435177b6a5ed425fa1c0 Mon Sep 17 00:00:00 2001
From: Jonas Devlieghere <jonas at devlieghere.com>
Date: Tue, 24 Oct 2023 16:14:27 -0700
Subject: [PATCH] [lldb] Read Checksum from DWARF line tables

Read the MD5 checksum from DWARF line tables and store it in the
corresponding support files.
---
 lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
index aabd83a194932ff..79d44bce3d663b6 100644
--- a/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
+++ b/lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
@@ -229,8 +229,15 @@ 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;