[Lldb-commits] [PATCH] D71770: [lldb] Don't process symlinks deep inside DWARFUnit

Pavel Labath via Phabricator via lldb-commits lldb-commits at lists.llvm.org
Mon Dec 23 02:24:19 PST 2019


This revision was automatically updated to reflect the committed changes.
Closed by commit rG3cfb6677b2aa: [lldb] Don't process symlinks deep inside DWARFUnit (authored by labath).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D71770/new/

https://reviews.llvm.org/D71770

Files:
  lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
  lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp


Index: lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
===================================================================
--- lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
+++ lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp
@@ -453,6 +453,17 @@
 void SymbolFileDWARF::InitializeObject() {
   Log *log = LogChannelDWARF::GetLogIfAll(DWARF_LOG_DEBUG_INFO);
 
+  Module &module = *GetObjectFile()->GetModule();
+
+  for (const FileSpec &symlink : GetSymlinkPaths()) {
+    FileSpec resolved;
+    Status status = FileSystem::Instance().Readlink(symlink, resolved);
+    if (status.Success())
+      module.GetSourceMappingList().Append(ConstString(symlink.GetPath()),
+                                           ConstString(resolved.GetPath()),
+                                           /*notify=*/true);
+  }
+
   if (!GetGlobalPluginProperties()->IgnoreFileIndexes()) {
     DWARFDataExtractor apple_names, apple_namespaces, apple_types, apple_objc;
     LoadSectionData(eSectionTypeDWARFAppleNames, apple_names);
Index: lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
===================================================================
--- lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
+++ lldb/source/Plugins/SymbolFile/DWARF/DWARFUnit.cpp
@@ -732,25 +732,6 @@
   return path;
 }
 
-static FileSpec resolveCompDir(const FileSpec &path) {
-  bool is_symlink = SymbolFileDWARF::GetSymlinkPaths().FindFileIndex(
-                        0, path, /*full*/ true) != UINT32_MAX;
-
-  if (!is_symlink)
-    return path;
-
-  namespace fs = llvm::sys::fs;
-  if (fs::get_file_type(path.GetPath(), false) != fs::file_type::symlink_file)
-    return path;
-
-  FileSpec resolved_symlink;
-  const auto error = FileSystem::Instance().Readlink(path, resolved_symlink);
-  if (error.Success())
-    return resolved_symlink;
-
-  return path;
-}
-
 void DWARFUnit::ComputeCompDirAndGuessPathStyle() {
   m_comp_dir = FileSpec();
   const DWARFDebugInfoEntry *die = GetUnitDIEPtrOnly();
@@ -762,7 +743,7 @@
   if (!comp_dir.empty()) {
     FileSpec::Style comp_dir_style =
         FileSpec::GuessPathStyle(comp_dir).getValueOr(FileSpec::Style::native);
-    m_comp_dir = resolveCompDir(FileSpec(comp_dir, comp_dir_style));
+    m_comp_dir = FileSpec(comp_dir, comp_dir_style);
   } else {
     // Try to detect the style based on the DW_AT_name attribute, but just store
     // the detected style in the m_comp_dir field.


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