[ELF] Add Target specific Readers.

No change in functionality.

llvm-svn: 200175

1 files changed, 10 insertions, 6 deletions

diff --git a/lld/lib/ReaderWriter/ELF/DefaultTargetHandler.h b/lld/lib/ReaderWriter/ELF/DefaultTargetHandler.h
index 143bffdde80..b2cb5d5e001 100644
--- a/lld/lib/ReaderWriter/ELF/DefaultTargetHandler.h
+++ b/lld/lib/ReaderWriter/ELF/DefaultTargetHandler.h
@@ -12,6 +12,7 @@
 
 #include "DefaultLayout.h"
 #include "TargetHandler.h"
+#include "ELFReader.h"
 
 #include "lld/ReaderWriter/ELFLinkingContext.h"
 
@@ -32,11 +33,6 @@ public:
     llvm_unreachable("Target should provide implementation for function ");
   }
 
-  /// TargetAtomHandler
-  TargetAtomHandler<ELFT> &targetAtomHandler() {
-    llvm_unreachable("Target should provide implementation for function ");
-  }
-
   const TargetRelocationHandler<ELFT> &getRelocationHandler() const {
     llvm_unreachable("Target should provide implementation for function ");
   }
@@ -74,7 +70,15 @@ public:
             DefaultLayout<ELFT>::ORDER_DYNAMIC_SYMBOLS));
   }
 
-private:
+  virtual std::unique_ptr<Reader> getObjReader(bool atomizeStrings) {
+    return std::unique_ptr<Reader>(new ELFObjectReader(atomizeStrings));
+  }
+
+  virtual std::unique_ptr<Reader> getDSOReader(bool useShlibUndefines) {
+    return std::unique_ptr<Reader>(new ELFDSOReader(useShlibUndefines));
+  }
+
+protected:
   llvm::BumpPtrAllocator _alloc;
 };
 } // end namespace elf