add elf targethandler

llvm-svn: 173430

1 files changed, 69 insertions, 0 deletions

diff --git a/lld/lib/ReaderWriter/ELF/DefaultELFTargetHandler.h b/lld/lib/ReaderWriter/ELF/DefaultELFTargetHandler.h
new file mode 100644
index 00000000000..b70901c9c03
--- /dev/null
+++ b/lld/lib/ReaderWriter/ELF/DefaultELFTargetHandler.h
@@ -0,0 +1,69 @@
+//===- lib/ReaderWriter/ELF/DefaultELFTargetHandler.h ---------------------===//
+//
+//                             The LLVM Linker
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+#ifndef LLD_READER_WRITER_DEFAULT_ELF_TARGETHANDLER_H
+#define LLD_READER_WRITER_DEFAULT_ELF_TARGETHANDLER_H
+
+#include "lld/ReaderWriter/ELFTargetInfo.h"
+
+#include "lld/Core/LinkerOptions.h"
+
+#include "llvm/ADT/Triple.h"
+#include "llvm/Support/ELF.h"
+
+#include "DefaultELFLayout.h"
+#include "ELFTargetHandler.h"
+
+namespace lld {
+namespace elf {
+
+template <class ELFT>
+class DefaultELFTargetHandler : public ELFTargetHandler<ELFT> {
+
+public:
+  DefaultELFTargetHandler(ELFTargetInfo &targetInfo)
+      : ELFTargetHandler<ELFT>(targetInfo) {
+  }
+
+  bool doesOverrideELFHeader() { return false; }
+
+  void setELFHeaderInfo(ELFHeader<ELFT> *elfHeader) {
+    llvm_unreachable("Target should provide implementation for function ");
+  }
+
+  /// ELFTargetLayout 
+  ELFTargetLayout<ELFT> &targetLayout() {
+    llvm_unreachable("Target should provide implementation for function ");
+  }
+
+  /// ELFTargetAtomHandler
+  ELFTargetAtomHandler<ELFT> &targetAtomHandler() {
+    llvm_unreachable("Target should provide implementation for function ");
+  }
+
+  /// Create a set of Default target sections that a target might needj
+  void createDefaultSections() {}
+
+  /// \brief Add a section to the current Layout
+  void addSection(Section<ELFT> *section) {}
+
+  /// \brief add new symbol file 
+  void addFiles(InputFiles &) {}
+
+  /// \brief Finalize the symbol values
+  void finalizeSymbolValues() {}
+
+  /// \brief allocate Commons, some architectures may move small common
+  /// symbols over to small data, this would also be used 
+  void allocateCommons() {}
+};
+
+} // elf
+} // lld
+
+#endif