[llvm-objcopy] Add --dump-section

Differential Revision: https://reviews.llvm.org/D49979

llvm-svn: 339358
diff --git a/llvm/tools/llvm-objcopy/Object.h b/llvm/tools/llvm-objcopy/Object.h
index 76748d5..ba6aea9 100644
--- a/llvm/tools/llvm-objcopy/Object.h
+++ b/llvm/tools/llvm-objcopy/Object.h
@@ -250,6 +250,7 @@
   uint64_t Offset = 0;
   uint64_t Size = 0;
   uint64_t Type = ELF::SHT_NULL;
+  ArrayRef<uint8_t> OriginalData;
 
   virtual ~SectionBase() = default;