[PATCH] D33014: Fix the Endianness bug by adding the little endian UTF marker.

[Eric Beckmann via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL302573: Fix the Endianness bug by adding the little endian UTF marker. (authored by ecbeckmann).

Changed prior to commit:
  https://reviews.llvm.org/D33014?vs=98337&id=98340#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D33014

Files:
  llvm/trunk/lib/Object/COFFObjectFile.cpp
  llvm/trunk/tools/llvm-readobj/COFFDumper.cpp


Index: llvm/trunk/tools/llvm-readobj/COFFDumper.cpp
===================================================================
--- llvm/trunk/tools/llvm-readobj/COFFDumper.cpp
+++ llvm/trunk/tools/llvm-readobj/COFFDumper.cpp
@@ -1562,6 +1562,14 @@
     raw_svector_ostream OS(IDStr);
     if (i < Table.NumberOfNameEntries) {
       ArrayRef<UTF16> RawEntryNameString = unwrapOrError(RSF.getEntryNameString(Entry));
+      std::vector<UTF16> EndianCorrectedNameString;
+      if (llvm::sys::IsBigEndianHost) {
+        EndianCorrectedNameString.resize(RawEntryNameString.size() + 1);
+        std::copy(RawEntryNameString.begin(), RawEntryNameString.end(),
+                  EndianCorrectedNameString.begin() + 1);
+        EndianCorrectedNameString[0] = UNI_UTF16_BYTE_ORDER_MARK_SWAPPED;
+        RawEntryNameString = makeArrayRef(EndianCorrectedNameString);
+      }
       std::string EntryNameString;
       if (!llvm::convertUTF16ToUTF8String(RawEntryNameString, EntryNameString))
         error(object_error::parse_failed);
Index: llvm/trunk/lib/Object/COFFObjectFile.cpp
===================================================================
--- llvm/trunk/lib/Object/COFFObjectFile.cpp
+++ llvm/trunk/lib/Object/COFFObjectFile.cpp
@@ -1602,8 +1602,6 @@
   uint16_t Length;
   RETURN_IF_ERROR(Reader.readInteger(Length));
   ArrayRef<UTF16> RawDirString;
-  // Strings are stored as 2-byte aligned unicode characters but readFixedString
-  // assumes byte string, so we double length.
   RETURN_IF_ERROR(Reader.readArray(RawDirString, Length));
   return RawDirString;
 }


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