Remove the Native file format.

The Native file format was designed to be the fastest on-memory or
on-disk file format for object files. The problem is that no one
is working on that. No LLVM tools can produce object files in
the Native, thus the feature of supporting the format is useless
in the linker.

This patch removes the Native file support. We can add it back
if we really want it in future.

llvm-svn: 234641

1 files changed, 0 insertions, 33 deletions

diff --git a/lld/lib/Core/Error.cpp b/lld/lib/Core/Error.cpp
index 24809c3869e..e1734283f55 100644
--- a/lld/lib/Core/Error.cpp
+++ b/lld/lib/Core/Error.cpp
@@ -16,39 +16,6 @@
 
 using namespace lld;
 
-class _NativeReaderErrorCategory : public std::error_category {
-public:
-  const char* name() const LLVM_NOEXCEPT override {
-    return "lld.native.reader";
-  }
-
-  std::string message(int ev) const override {
-    switch (static_cast<NativeReaderError>(ev)) {
-    case NativeReaderError::success:
-      return "Success";
-    case NativeReaderError::unknown_file_format:
-      return "Unknown file format";
-    case NativeReaderError::file_too_short:
-      return "file truncated";
-    case NativeReaderError::file_malformed:
-      return "file malformed";
-    case NativeReaderError::memory_error:
-      return "out of memory";
-    case NativeReaderError::unknown_chunk_type:
-      return "unknown chunk type";
-    case NativeReaderError::conflicting_target_machine:
-      return "conflicting target machine";
-    }
-    llvm_unreachable("An enumerator of NativeReaderError does not have a "
-                     "message defined.");
-  }
-};
-
-const std::error_category &lld::native_reader_category() {
-  static _NativeReaderErrorCategory o;
-  return o;
-}
-
 class _YamlReaderErrorCategory : public std::error_category {
 public:
   const char* name() const LLVM_NOEXCEPT override {