1 files changed, 51 insertions, 0 deletions
diff --git a/lib/Target/AVR/MCTargetDesc/AVRMCELFStreamer.cpp b/lib/Target/AVR/MCTargetDesc/AVRMCELFStreamer.cpp
new file mode 100644
index 0000000000000..c60ea7a92e6f2
--- /dev/null
+++ b/lib/Target/AVR/MCTargetDesc/AVRMCELFStreamer.cpp
@@ -0,0 +1,51 @@
+//===--------- AVRMCELFStreamer.cpp - AVR subclass of MCELFStreamer -------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file is a stub that parses a MCInst bundle and passes the
+// instructions on to the real streamer.
+//
+//===----------------------------------------------------------------------===//
+#define DEBUG_TYPE "avrmcelfstreamer"
+
+#include "MCTargetDesc/AVRMCELFStreamer.h"
+#include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCExpr.h"
+#include "llvm/MC/MCSymbol.h"
+
+using namespace llvm;
+
+void AVRMCELFStreamer::EmitValueForModiferKind(
+    const MCSymbol *Sym, unsigned SizeInBytes, SMLoc Loc,
+    AVRMCExpr::VariantKind ModifierKind) {
+  MCSymbolRefExpr::VariantKind Kind = MCSymbolRefExpr::VK_AVR_NONE;
+  if (ModifierKind == AVRMCExpr::VK_AVR_None) {
+    Kind = MCSymbolRefExpr::VK_AVR_DIFF8;
+    if (SizeInBytes == SIZE_LONG)
+      Kind = MCSymbolRefExpr::VK_AVR_DIFF32;
+    else if (SizeInBytes == SIZE_WORD)
+      Kind = MCSymbolRefExpr::VK_AVR_DIFF16;
+  } else if (ModifierKind == AVRMCExpr::VK_AVR_LO8)
+    Kind = MCSymbolRefExpr::VK_AVR_LO8;
+  else if (ModifierKind == AVRMCExpr::VK_AVR_HI8)
+    Kind = MCSymbolRefExpr::VK_AVR_HI8;
+  else if (ModifierKind == AVRMCExpr::VK_AVR_HH8)
+    Kind = MCSymbolRefExpr::VK_AVR_HLO8;
+  MCELFStreamer::EmitValue(MCSymbolRefExpr::create(Sym, Kind, getContext()),
+                           SizeInBytes, Loc);
+}
+
+namespace llvm {
+MCStreamer *createAVRELFStreamer(Triple const &TT, MCContext &Context,
+                                 std::unique_ptr<MCAsmBackend> MAB,
+                                 raw_pwrite_stream &OS,
+                                 std::unique_ptr<MCCodeEmitter> CE) {
+  return new AVRMCELFStreamer(Context, std::move(MAB), OS, std::move(CE));
+}
+
+} // end namespace llvm